52 lines
1.3 KiB
C
Executable File
52 lines
1.3 KiB
C
Executable File
/*-------------------------------------------------------------------------
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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) 1996-2012, 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 */
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