1774 lines
79 KiB
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1774 lines
79 KiB
HTML
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<head><title>26 Foreign.C.Error</title>
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<!--l. 1--><div class="crosslinks"><p class="noindent">[<a
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<h2 class="chapterHead"><span class="titlemark">Chapter 26</span><br /><a
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id="x34-26400026"></a><span
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class="pcrr7t-">Foreign.C.Error</span></h2>
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<div class="quote">
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<div class="verbatim" id="verbatim-439">
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module Foreign.C.Error (
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 <br />    Errno(Errno),  eOK,  e2BIG,  eACCES,  eADDRINUSE,  eADDRNOTAVAIL,  eADV,
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 <br />    eAFNOSUPPORT,  eAGAIN,  eALREADY,  eBADF,  eBADMSG,  eBADRPC,  eBUSY,
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 <br />    eCHILD,  eCOMM,  eCONNABORTED,  eCONNREFUSED,  eCONNRESET,  eDEADLK,
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 <br />    eDESTADDRREQ,  eDIRTY,  eDOM,  eDQUOT,  eEXIST,  eFAULT,  eFBIG,  eFTYPE,
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 <br />    eHOSTDOWN,  eHOSTUNREACH,  eIDRM,  eILSEQ,  eINPROGRESS,  eINTR,  eINVAL,
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 <br />    eIO,  eISCONN,  eISDIR,  eLOOP,  eMFILE,  eMLINK,  eMSGSIZE,  eMULTIHOP,
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 <br />    eNAMETOOLONG,  eNETDOWN,  eNETRESET,  eNETUNREACH,  eNFILE,  eNOBUFS,
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 <br />    eNODATA,  eNODEV,  eNOENT,  eNOEXEC,  eNOLCK,  eNOLINK,  eNOMEM,  eNOMSG,
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 <br />    eNONET,  eNOPROTOOPT,  eNOSPC,  eNOSR,  eNOSTR,  eNOSYS,  eNOTBLK,
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 <br />    eNOTCONN,  eNOTDIR,  eNOTEMPTY,  eNOTSOCK,  eNOTTY,  eNXIO,  eOPNOTSUPP,
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 <br />    ePERM,  ePFNOSUPPORT,  ePIPE,  ePROCLIM,  ePROCUNAVAIL,  ePROGMISMATCH,
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 <br />    ePROGUNAVAIL,  ePROTO,  ePROTONOSUPPORT,  ePROTOTYPE,  eRANGE,  eREMCHG,
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 <br />    eREMOTE,  eROFS,  eRPCMISMATCH,  eRREMOTE,  eSHUTDOWN,  eSOCKTNOSUPPORT,
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 <br />    eSPIPE,  eSRCH,  eSRMNT,  eSTALE,  eTIME,  eTIMEDOUT,  eTOOMANYREFS,
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 <br />    eTXTBSY,  eUSERS,  eWOULDBLOCK,  eXDEV,  isValidErrno,  getErrno,
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 <br />    resetErrno,  errnoToIOError,  throwErrno,  throwErrnoIf,  throwErrnoIf_,
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 <br />    throwErrnoIfRetry,  throwErrnoIfRetry_,  throwErrnoIfMinus1,
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 <br />    throwErrnoIfMinus1_,  throwErrnoIfMinus1Retry,  throwErrnoIfMinus1Retry_,
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 <br />    throwErrnoIfNull,  throwErrnoIfNullRetry,  throwErrnoIfRetryMayBlock,
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 <br />    throwErrnoIfRetryMayBlock_,  throwErrnoIfMinus1RetryMayBlock,
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 <br />    throwErrnoIfMinus1RetryMayBlock_,  throwErrnoIfNullRetryMayBlock,
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 <br />    throwErrnoPath,  throwErrnoPathIf,  throwErrnoPathIf_,
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 <br />    throwErrnoPathIfNull,  throwErrnoPathIfMinus1,  throwErrnoPathIfMinus1_
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 <br />  ) where
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</div>
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<p class="noindent"></div>
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<p class="noindent"> The module <span
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class="pcrr7t-">Foreign.C.Error </span>facilitates C-specific error handling of <span
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class="pcrr7t-">errno</span>.
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<h3 class="sectionHead"><span class="titlemark">26.1 </span> <a
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id="x34-26500026.1"></a>Haskell representations of <span
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class="pcrr7t-">errno </span>values </h3>
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<p class="noindent">
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<dl> <dt class="haddockdesc">
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<!--tex4ht:inline--><div class="tabular"> <table id="TBL-393" class="tabular"
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cellspacing="0" cellpadding="0" rules="groups"
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><colgroup id="TBL-393-1g"><col
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|
id="TBL-393-1" /></colgroup><tr
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style="vertical-align:baseline;" id="TBL-393-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-393-1-1"
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class="td11"><span
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|
class="pcrb7t-">newtype</span><span
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|
class="pcrb7t-"> Errno </span></td>
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</tr></table> </div> <dd class="haddockdesc">
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|
<!--tex4ht:inline--><div class="tabular"><table id="TBL-394" class="tabulary"
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cellspacing="0" cellpadding="0"
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|
><colgroup id="TBL-394-1g"><col
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|
id="TBL-394-1" /><col
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id="TBL-394-2" /><col
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|
id="TBL-394-3" /></colgroup><tr
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style="vertical-align:baseline;" id="TBL-394-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-394-1-1"
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class="td11"> <span
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class="pcrb7t-">= </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-394-1-2"
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class="td11"> <span
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class="pcrb7t-">Errno CInt </span></td><td style="white-space:wrap; text-align:left;" id="TBL-394-1-3"
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class="td11"> </td></tr><tr
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style="vertical-align:baseline;" id="TBL-394-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-394-2-1"
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class="td11"> </td></tr></table>
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</div>
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<p class="noindent"> Haskell representation for <span
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class="pcrr7t-">errno </span>values. The implementation is deliberately exposed, to allow users to add
|
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their own definitions of <span
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class="pcrr7t-">Errno</span><a
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id="dx34-265001"></a> values.
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</dl>
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<p class="noindent">
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|
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<dl> <dt class="haddockdesc">
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<!--tex4ht:inline--><div class="tabular"> <table id="TBL-395" class="tabular"
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cellspacing="0" cellpadding="0" rules="groups"
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><colgroup id="TBL-395-1g"><col
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id="TBL-395-1" /></colgroup><tr
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style="vertical-align:baseline;" id="TBL-395-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-395-1-1"
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class="td11"><span
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class="pcrb7t-">instance</span><span
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class="pcrb7t-"> Eq</span><span
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class="pcrb7t-"> Errno </span></td>
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</tr></table> </div> <dd class="haddockdesc">
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</dl>
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<p class="noindent">
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<h4 class="subsectionHead"><span class="titlemark">26.1.1 </span> <a
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id="x34-26600026.1.1"></a>Common <span
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class="pcrr7t-">errno </span>symbols </h4>
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<p class="noindent"> Different operating systems and/or C libraries often support different values of <span
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class="pcrr7t-">errno</span>. This module defines
|
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the common values, but due to the open definition of <span
|
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class="pcrr7t-">Errno</span><a
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id="dx34-266001"></a> users may add definitions which are not
|
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predefined.
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<p class="noindent">
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<dl> <dt class="haddockdesc">
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<span
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class="pcrb7t-">eOK</span><span
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class="pcrb7t-"> ::</span><span
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|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
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|
<dt class="haddockdesc">
|
|
<span
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class="pcrb7t-">e2BIG</span><span
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|
class="pcrb7t-"> ::</span><span
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class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
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<dt class="haddockdesc">
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<span
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class="pcrb7t-">eACCES</span><span
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class="pcrb7t-"> ::</span><span
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class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
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|
<dt class="haddockdesc">
|
|
<span
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class="pcrb7t-">eADDRINUSE</span><span
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class="pcrb7t-"> ::</span><span
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|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eADDRNOTAVAIL</span><span
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|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eADV</span><span
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|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eAFNOSUPPORT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eAGAIN</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eALREADY</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eBADF</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eBADMSG</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eBADRPC</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eBUSY</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
|
|
|
|
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|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eCHILD</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eCOMM</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eCONNABORTED</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eCONNREFUSED</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eCONNRESET</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eDEADLK</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eDESTADDRREQ</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eDIRTY</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eDOM</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eDQUOT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eEXIST</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eFAULT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eFBIG</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eFTYPE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eHOSTDOWN</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eHOSTUNREACH</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eIDRM</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eILSEQ</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eINPROGRESS</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
|
|
|
|
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eINTR</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eINVAL</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eIO</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eISCONN</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eISDIR</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eLOOP</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eMFILE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eMLINK</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eMSGSIZE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eMULTIHOP</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNAMETOOLONG</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNETDOWN</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNETRESET</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNETUNREACH</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNFILE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOBUFS</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNODATA</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNODEV</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOENT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
|
|
|
|
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOEXEC</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOLCK</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOLINK</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOMEM</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOMSG</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNONET</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOPROTOOPT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOSPC</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOSR</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOSTR</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOSYS</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOTBLK</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOTCONN</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOTDIR</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOTEMPTY</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOTSOCK</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNOTTY</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eNXIO</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eOPNOTSUPP</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
|
|
|
|
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePERM</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePFNOSUPPORT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePIPE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePROCLIM</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePROCUNAVAIL</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePROGMISMATCH</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePROGUNAVAIL</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePROTO</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePROTONOSUPPORT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">ePROTOTYPE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eRANGE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eREMCHG</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eREMOTE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eROFS</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eRPCMISMATCH</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eRREMOTE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eSHUTDOWN</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eSOCKTNOSUPPORT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eSPIPE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
|
|
|
|
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eSRCH</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eSRMNT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eSTALE</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eTIME</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eTIMEDOUT</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eTOOMANYREFS</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eTXTBSY</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eUSERS</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eWOULDBLOCK</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc">
|
|
<dt class="haddockdesc">
|
|
<span
|
|
class="pcrb7t-">eXDEV</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span> <dd class="haddockdesc"></dl>
|
|
<p class="noindent">
|
|
<h4 class="subsectionHead"><span class="titlemark">26.1.2 </span> <a
|
|
id="x34-26700026.1.2"></a><span
|
|
class="pcrr7t-">Errno </span>functions </h4>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-396" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-396-1g"><col
|
|
id="TBL-396-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-396-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-396-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isValidErrno</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Errno</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Yield <span
|
|
class="pcrr7t-">True</span><a
|
|
id="dx34-267001"></a> if the given <span
|
|
class="pcrr7t-">Errno</span><a
|
|
id="dx34-267002"></a> value is valid on the system. This implies that the <span
|
|
class="pcrr7t-">Eq</span><a
|
|
id="dx34-267003"></a> instance of
|
|
<span
|
|
class="pcrr7t-">Errno</span><a
|
|
id="dx34-267004"></a> is also system dependent as it is only defined for valid values of <span
|
|
class="pcrr7t-">Errno</span><a
|
|
id="dx34-267005"></a>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-397" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-397-1g"><col
|
|
id="TBL-397-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-397-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-397-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">getErrno</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> Errno </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Get the current value of <span
|
|
class="pcrr7t-">errno </span>in the current thread.
|
|
</dl>
|
|
<p class="noindent">
|
|
|
|
|
|
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-398" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-398-1g"><col
|
|
id="TBL-398-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-398-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-398-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">resetErrno</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> () </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Reset the current thread’s <span
|
|
class="pcrr7t-">errno </span>value to <span
|
|
class="pcrr7t-">eOK</span><a
|
|
id="dx34-267006"></a>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-399" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-399-1g"><col
|
|
id="TBL-399-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-399-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-399-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">errnoToIOError </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"><table id="TBL-400" class="tabulary"
|
|
cellspacing="0" cellpadding="0"
|
|
><colgroup id="TBL-400-1g"><col
|
|
id="TBL-400-1" /><col
|
|
id="TBL-400-2" /><col
|
|
id="TBL-400-3" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-400-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-400-1-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">:: </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-400-1-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">String </span></td><td style="white-space:wrap; text-align:left;" id="TBL-400-1-3"
|
|
class="td11"> the location where the error occurred </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-400-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-400-2-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-400-2-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">Errno </span></td><td style="white-space:wrap; text-align:left;" id="TBL-400-2-3"
|
|
class="td11"> the error number </td></tr><tr
|
|
style="vertical-align:baseline;" id="TBL-400-3-"><td style="white-space:nowrap; text-align:left;" id="TBL-400-3-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td> <td style="white-space:nowrap; text-align:left;" id="TBL-400-3-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">Maybe Handle </span></td> <td style="white-space:wrap; text-align:left;" id="TBL-400-3-3"
|
|
class="td11"> optional handle associated with the error</td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-400-4-"><td style="white-space:nowrap; text-align:left;" id="TBL-400-4-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-400-4-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">Maybe String </span></td><td style="white-space:wrap; text-align:left;" id="TBL-400-4-3"
|
|
class="td11"> optional filename associated with the error </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-400-5-"><td style="white-space:nowrap; text-align:left;" id="TBL-400-5-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-400-5-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">IOError </span></td><td style="white-space:wrap; text-align:left;" id="TBL-400-5-3"
|
|
class="td11"> </td></tr><tr
|
|
style="vertical-align:baseline;" id="TBL-400-6-"><td style="white-space:nowrap; text-align:left;" id="TBL-400-6-1"
|
|
class="td11"> </td>
|
|
</tr></table></div>
|
|
<p class="noindent"> Construct an <span
|
|
class="pcrr7t-">IOError</span><a
|
|
id="dx34-267007"></a> based on the given <span
|
|
class="pcrr7t-">Errno</span><a
|
|
id="dx34-267008"></a> value. The optional information can be used to improve
|
|
the accuracy of error messages.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-401" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-401-1g"><col
|
|
id="TBL-401-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-401-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-401-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrno </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"><table id="TBL-402" class="tabulary"
|
|
cellspacing="0" cellpadding="0"
|
|
><colgroup id="TBL-402-1g"><col
|
|
id="TBL-402-1" /><col
|
|
id="TBL-402-2" /><col
|
|
id="TBL-402-3" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-402-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-402-1-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">:: </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-402-1-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">String </span></td><td style="white-space:wrap; text-align:left;" id="TBL-402-1-3"
|
|
class="td11"> textual description of the error location </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-402-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-402-2-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-402-2-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">IO a </span></td><td style="white-space:wrap; text-align:left;" id="TBL-402-2-3"
|
|
class="td11"> </td></tr><tr
|
|
style="vertical-align:baseline;" id="TBL-402-3-"><td style="white-space:nowrap; text-align:left;" id="TBL-402-3-1"
|
|
class="td11"> </td>
|
|
</tr></table></div>
|
|
<p class="noindent"> Throw an <span
|
|
class="pcrr7t-">IOError</span><a
|
|
id="dx34-267009"></a> corresponding to the current value of <span
|
|
class="pcrr7t-">getErrno</span><a
|
|
id="dx34-267010"></a>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<h4 class="subsectionHead"><span class="titlemark">26.1.3 </span> <a
|
|
id="x34-26800026.1.3"></a>Guards for IO operations that may fail </h4>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-403" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-403-1g"><col
|
|
id="TBL-403-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-403-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-403-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIf </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"><table id="TBL-404" class="tabulary"
|
|
cellspacing="0" cellpadding="0"
|
|
><colgroup id="TBL-404-1g"><col
|
|
id="TBL-404-1" /><col
|
|
id="TBL-404-2" /><col
|
|
id="TBL-404-3" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-404-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-404-1-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">:: </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-404-1-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">(a -> Bool) </span></td><td style="white-space:wrap; text-align:left;" id="TBL-404-1-3"
|
|
class="td11"> predicate to apply to the result value of the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268001"></a> operation </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-404-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-404-2-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-404-2-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">String </span></td><td style="white-space:wrap; text-align:left;" id="TBL-404-2-3"
|
|
class="td11"> textual description of the location </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-404-3-"><td style="white-space:nowrap; text-align:left;" id="TBL-404-3-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-404-3-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">IO a </span></td><td style="white-space:wrap; text-align:left;" id="TBL-404-3-3"
|
|
class="td11"> the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268002"></a> operation to be executed </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-404-4-"><td style="white-space:nowrap; text-align:left;" id="TBL-404-4-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-404-4-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">IO a </span></td><td style="white-space:wrap; text-align:left;" id="TBL-404-4-3"
|
|
class="td11"> </td></tr><tr
|
|
style="vertical-align:baseline;" id="TBL-404-5-"><td style="white-space:nowrap; text-align:left;" id="TBL-404-5-1"
|
|
class="td11"> </td>
|
|
</tr></table></div>
|
|
<p class="noindent"> Throw an <span
|
|
class="pcrr7t-">IOError</span><a
|
|
id="dx34-268003"></a> corresponding to the current value of <span
|
|
class="pcrr7t-">getErrno</span><a
|
|
id="dx34-268004"></a> if the result value of the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268005"></a> action
|
|
meets the given predicate.
|
|
</dl>
|
|
<p class="noindent">
|
|
|
|
|
|
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-405" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-405-1g"><col
|
|
id="TBL-405-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-405-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-405-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIf_</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> (a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool)</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> () </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIf</span><a
|
|
id="dx34-268006"></a>, but discards the result of the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268007"></a> action after error handling.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-406" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-406-1g"><col
|
|
id="TBL-406-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-406-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-406-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfRetry</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> (a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool)</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIf</span><a
|
|
id="dx34-268008"></a>, but retry the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268009"></a> action when it yields the error code <span
|
|
class="pcrr7t-">eINTR</span><a
|
|
id="dx34-268010"></a> - this amounts to the
|
|
standard retry loop for interrupted POSIX system calls.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-407" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-407-1g"><col
|
|
id="TBL-407-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-407-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-407-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfRetry_</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> (a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool)</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> () </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfRetry</span><a
|
|
id="dx34-268011"></a>, but discards the result.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-408" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-408-1g"><col
|
|
id="TBL-408-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-408-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-408-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfMinus1</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Num</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> =></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Throw an <span
|
|
class="pcrr7t-">IOError</span><a
|
|
id="dx34-268012"></a> corresponding to the current value of <span
|
|
class="pcrr7t-">getErrno</span><a
|
|
id="dx34-268013"></a> if the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268014"></a> action returns a result
|
|
of <span
|
|
class="pcrr7t-">-1</span>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-409" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-409-1g"><col
|
|
id="TBL-409-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-409-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-409-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfMinus1_</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Num</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> =></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> () </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfMinus1</span><a
|
|
id="dx34-268015"></a>, but discards the result.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-410" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-410-1g"><col
|
|
id="TBL-410-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-410-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-410-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfMinus1Retry</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Num</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> =></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Throw an <span
|
|
class="pcrr7t-">IOError</span><a
|
|
id="dx34-268016"></a> corresponding to the current value of <span
|
|
class="pcrr7t-">getErrno</span><a
|
|
id="dx34-268017"></a> if the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268018"></a> action returns a result
|
|
of <span
|
|
class="pcrr7t-">-1</span>, but retries in case of an interrupted operation.
|
|
</dl>
|
|
<p class="noindent">
|
|
|
|
|
|
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-411" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-411-1g"><col
|
|
id="TBL-411-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-411-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-411-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfMinus1Retry_</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Num</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> =></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> () </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfMinus1</span><a
|
|
id="dx34-268019"></a>, but discards the result.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-412" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-412-1g"><col
|
|
id="TBL-412-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-412-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-412-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfNull</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> (Ptr</span><span
|
|
class="pcrb7t-"> a)</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> (Ptr</span><span
|
|
class="pcrb7t-"> a) </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Throw an <span
|
|
class="pcrr7t-">IOError</span><a
|
|
id="dx34-268020"></a> corresponding to the current value of <span
|
|
class="pcrr7t-">getErrno</span><a
|
|
id="dx34-268021"></a> if the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268022"></a> action returns
|
|
<span
|
|
class="pcrr7t-">nullPtr</span><a
|
|
id="dx34-268023"></a>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-413" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-413-1g"><col
|
|
id="TBL-413-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-413-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-413-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfNullRetry</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> (Ptr</span><span
|
|
class="pcrb7t-"> a)</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> (Ptr</span><span
|
|
class="pcrb7t-"> a) </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Throw an <span
|
|
class="pcrr7t-">IOError</span><a
|
|
id="dx34-268024"></a> corresponding to the current value of <span
|
|
class="pcrr7t-">getErrno</span><a
|
|
id="dx34-268025"></a> if the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268026"></a> action returns
|
|
<span
|
|
class="pcrr7t-">nullPtr</span><a
|
|
id="dx34-268027"></a>, but retry in case of an interrupted operation.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-414" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-414-1g"><col
|
|
id="TBL-414-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-414-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-414-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfRetryMayBlock </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"><table id="TBL-415" class="tabulary"
|
|
cellspacing="0" cellpadding="0"
|
|
><colgroup id="TBL-415-1g"><col
|
|
id="TBL-415-1" /><col
|
|
id="TBL-415-2" /><col
|
|
id="TBL-415-3" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-415-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-415-1-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">:: </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-415-1-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">(a -> Bool) </span></td><td style="white-space:wrap; text-align:left;" id="TBL-415-1-3"
|
|
class="td11"> predicate to apply to the result value of the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268028"></a> operation </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-415-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-415-2-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-415-2-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">String </span></td><td style="white-space:wrap; text-align:left;" id="TBL-415-2-3"
|
|
class="td11"> textual description of the location </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-415-3-"><td style="white-space:nowrap; text-align:left;" id="TBL-415-3-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-415-3-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">IO a </span></td><td style="white-space:wrap; text-align:left;" id="TBL-415-3-3"
|
|
class="td11"> the <span
|
|
class="pcrr7t-">IO</span><a
|
|
id="dx34-268029"></a> operation to be executed </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-415-4-"><td style="white-space:nowrap; text-align:left;" id="TBL-415-4-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-415-4-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">IO b </span></td><td style="white-space:wrap; text-align:left;" id="TBL-415-4-3"
|
|
class="td11"> action to execute before retrying if an immediate retry would block </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-415-5-"><td style="white-space:nowrap; text-align:left;" id="TBL-415-5-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">-> </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-415-5-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">IO a </span></td><td style="white-space:wrap; text-align:left;" id="TBL-415-5-3"
|
|
class="td11"> </td></tr><tr
|
|
style="vertical-align:baseline;" id="TBL-415-6-"><td style="white-space:nowrap; text-align:left;" id="TBL-415-6-1"
|
|
class="td11"> </td>
|
|
</tr></table></div>
|
|
<p class="noindent"> as <span
|
|
class="pcrr7t-">throwErrnoIfRetry</span><a
|
|
id="dx34-268030"></a>, but additionally if the operation yields the error code <span
|
|
class="pcrr7t-">eAGAIN</span><a
|
|
id="dx34-268031"></a> or
|
|
<span
|
|
class="pcrr7t-">eWOULDBLOCK</span><a
|
|
id="dx34-268032"></a>, an alternative action is executed before retrying.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-416" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-416-1g"><col
|
|
id="TBL-416-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-416-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-416-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfRetryMayBlock_</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> (a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool) </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-416-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-416-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> b</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> () </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfRetryMayBlock</span><a
|
|
id="dx34-268033"></a>, but discards the result.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-417" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-417-1g"><col
|
|
id="TBL-417-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-417-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-417-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfMinus1RetryMayBlock</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Num</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> =></span><span
|
|
class="pcrb7t-"> String </span></td></tr><tr
|
|
style="vertical-align:baseline;" id="TBL-417-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-417-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> b</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfMinus1Retry</span><a
|
|
id="dx34-268034"></a>, but checks for operations that would block.
|
|
</dl>
|
|
|
|
|
|
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-418" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-418-1g"><col
|
|
id="TBL-418-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-418-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-418-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfMinus1RetryMayBlock_</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Num</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> =></span><span
|
|
class="pcrb7t-"> String </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-418-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-418-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> b</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> () </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfMinus1RetryMayBlock</span><a
|
|
id="dx34-268035"></a>, but discards the result.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-419" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-419-1g"><col
|
|
id="TBL-419-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-419-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-419-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoIfNullRetryMayBlock</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> String </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-419-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-419-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> (Ptr</span><span
|
|
class="pcrb7t-"> a)</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> b</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> (Ptr</span><span
|
|
class="pcrb7t-"> a) </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfNullRetry</span><a
|
|
id="dx34-268036"></a>, but checks for operations that would block.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-420" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-420-1g"><col
|
|
id="TBL-420-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-420-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-420-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoPath</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> FilePath</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrno</span><a
|
|
id="dx34-268037"></a>, but exceptions include the given path when appropriate.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-421" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-421-1g"><col
|
|
id="TBL-421-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-421-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-421-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoPathIf</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> (a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool) </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-421-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-421-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> FilePath</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIf</span><a
|
|
id="dx34-268038"></a>, but exceptions include the given path when appropriate.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-422" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-422-1g"><col
|
|
id="TBL-422-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-422-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-422-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoPathIf_</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> (a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool) </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-422-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-422-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> FilePath</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> () </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIf_</span><a
|
|
id="dx34-268039"></a>, but exceptions include the given path when appropriate.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-423" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-423-1g"><col
|
|
id="TBL-423-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-423-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-423-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoPathIfNull</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> String </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-423-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-423-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> FilePath</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> (Ptr</span><span
|
|
class="pcrb7t-"> a)</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> (Ptr</span><span
|
|
class="pcrb7t-"> a) </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfNull</span><a
|
|
id="dx34-268040"></a>, but exceptions include the given path when appropriate.
|
|
</dl>
|
|
<p class="noindent">
|
|
|
|
|
|
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-424" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-424-1g"><col
|
|
id="TBL-424-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-424-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-424-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoPathIfMinus1</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Num</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> =></span><span
|
|
class="pcrb7t-"> String </span></td></tr><tr
|
|
style="vertical-align:baseline;" id="TBL-424-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-424-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> FilePath</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfMinus1</span><a
|
|
id="dx34-268041"></a>, but exceptions include the given path when appropriate.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-425" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-425-1g"><col
|
|
id="TBL-425-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-425-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-425-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">throwErrnoPathIfMinus1_</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Num</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> =></span><span
|
|
class="pcrb7t-"> String </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-425-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-425-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> </span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> FilePath</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> a</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> IO</span><span
|
|
class="pcrb7t-"> () </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
as <span
|
|
class="pcrr7t-">throwErrnoIfMinus1_</span><a
|
|
id="dx34-268042"></a>, but exceptions include the given path when appropriate.
|
|
</dl>
|
|
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href="haskellch25.html" >prev</a>] [<a
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id="tailhaskellch26.html"></a>
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