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Viewing changes to src/include/libpq/pqsignal.h

  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2011-05-11 10:41:53 UTC
  • Revision ID: james.westby@ubuntu.com-20110511104153-psbh2o58553fv1m0
Tags: upstream-9.1~beta1
Import upstream version 9.1~beta1

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src/include/libpq/pqsignal.h
 
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/*-------------------------------------------------------------------------
 
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 *
 
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 * pqsignal.h
 
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 *        prototypes for the reliable BSD-style signal(2) routine.
 
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 *
 
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 *
 
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 * Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
 
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 * Portions Copyright (c) 1994, Regents of the University of California
 
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 *
 
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 * src/include/libpq/pqsignal.h
 
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 *
 
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 * NOTES
 
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 *        This shouldn't be in libpq, but the monitor and some other
 
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 *        things need it...
 
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 *
 
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 *-------------------------------------------------------------------------
 
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 */
 
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#ifndef PQSIGNAL_H
 
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#define PQSIGNAL_H
 
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#include <signal.h>
 
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#ifdef HAVE_SIGPROCMASK
 
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extern sigset_t UnBlockSig,
 
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                        BlockSig,
 
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                        StartupBlockSig;
 
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#define PG_SETMASK(mask)        sigprocmask(SIG_SETMASK, mask, NULL)
 
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#else                                                   /* not HAVE_SIGPROCMASK */
 
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extern int      UnBlockSig,
 
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                        BlockSig,
 
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                        StartupBlockSig;
 
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#ifndef WIN32
 
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#define PG_SETMASK(mask)        sigsetmask(*((int*)(mask)))
 
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#else
 
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#define PG_SETMASK(mask)                pqsigsetmask(*((int*)(mask)))
 
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int                     pqsigsetmask(int mask);
 
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#endif
 
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#define sigaddset(set, signum)  (*(set) |= (sigmask(signum)))
 
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#define sigdelset(set, signum)  (*(set) &= ~(sigmask(signum)))
 
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#endif   /* not HAVE_SIGPROCMASK */
 
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typedef void (*pqsigfunc) (int);
 
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extern void pqinitmask(void);
 
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extern pqsigfunc pqsignal(int signo, pqsigfunc func);
 
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#endif   /* PQSIGNAL_H */