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/*------------------------------------------------------------------------- * * pqsignal.h * Backend signal(2) support (see also src/port/pqsignal.c) * * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/libpq/pqsignal.h * *------------------------------------------------------------------------- */ #ifndef PQSIGNAL_H #define PQSIGNAL_H #include <signal.h> #ifndef WIN32 #define PG_SETMASK(mask) sigprocmask(SIG_SETMASK, mask, NULL) #else /* Emulate POSIX sigset_t APIs on Windows */ typedef int sigset_t; extern int pqsigsetmask(int mask); #define PG_SETMASK(mask) pqsigsetmask(*(mask)) #define sigemptyset(set) (*(set) = 0) #define sigfillset(set) (*(set) = ~0) #define sigaddset(set, signum) (*(set) |= (sigmask(signum))) #define sigdelset(set, signum) (*(set) &= ~(sigmask(signum))) #endif /* WIN32 */ extern sigset_t UnBlockSig, BlockSig, StartupBlockSig; extern void pqinitmask(void); /* pqsigfunc is declared in src/include/port.h */ extern pqsigfunc pqsignal_pm(int signo, pqsigfunc func); #endif /* PQSIGNAL_H */