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src/include/libpq/pqsignal.h
54 строки
2 KB
Bruce Momjian
Update copyright for 2026
01 янв 2026, 21:24
01 янв 2026, 21:24
451c439
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/*------------------------------------------------------------------------- * * pqsignal.h * Backend signal(2) support (see also src/port/pqsignal.c) * * Portions Copyright (c) 1996-2026, 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> #ifdef WIN32 /* Emulate POSIX sigset_t APIs on Windows */ typedef int sigset_t; #define SA_RESTART 1 #define SA_NODEFER 2 struct sigaction { void (*sa_handler) (int); /* sa_sigaction not yet implemented */ sigset_t sa_mask; int sa_flags; }; extern int pqsigprocmask(int how, const sigset_t *set, sigset_t *oset); extern int pqsigaction(int signum, const struct sigaction *act, struct sigaction *oldact); #define SIG_BLOCK 1 #define SIG_UNBLOCK 2 #define SIG_SETMASK 3 #define sigprocmask(how, set, oset) pqsigprocmask((how), (set), (oset)) #define sigaction(signum, act, oldact) pqsigaction((signum), (act), (oldact)) #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 PGDLLIMPORT sigset_t UnBlockSig; extern PGDLLIMPORT sigset_t BlockSig; extern PGDLLIMPORT sigset_t StartupBlockSig; extern void pqinitmask(void); #endif /* PQSIGNAL_H */