46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*-------------------------------------------------------------------------
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*
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* pqsignal.h
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* Backend signal(2) support (see also src/port/pqsignal.c)
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*
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* Portions Copyright (c) 1996-2022, 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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*-------------------------------------------------------------------------
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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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#define PG_SETMASK(mask) sigprocmask(SIG_SETMASK, mask, NULL)
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#ifdef WIN32
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/* Emulate POSIX sigset_t APIs on Windows */
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typedef int sigset_t;
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extern int pqsigprocmask(int how, const sigset_t *set, sigset_t *oset);
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#define SIG_BLOCK 1
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#define SIG_UNBLOCK 2
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#define SIG_SETMASK 3
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#define sigprocmask(how, set, oset) pqsigprocmask((how), (set), (oset))
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#define sigemptyset(set) (*(set) = 0)
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#define sigfillset(set) (*(set) = ~0)
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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 /* WIN32 */
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extern PGDLLIMPORT sigset_t UnBlockSig;
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extern PGDLLIMPORT sigset_t BlockSig;
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extern PGDLLIMPORT sigset_t StartupBlockSig;
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extern void pqinitmask(void);
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/* pqsigfunc is declared in src/include/port.h */
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extern pqsigfunc pqsignal_pm(int signo, pqsigfunc func);
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#endif /* PQSIGNAL_H */
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