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00001 /*------------------------------------------------------------------------- 00002 * 00003 * pqsignal.h 00004 * Backend signal(2) support (see also src/port/pqsignal.c) 00005 * 00006 * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group 00007 * Portions Copyright (c) 1994, Regents of the University of California 00008 * 00009 * src/include/libpq/pqsignal.h 00010 * 00011 *------------------------------------------------------------------------- 00012 */ 00013 #ifndef PQSIGNAL_H 00014 #define PQSIGNAL_H 00015 00016 #include <signal.h> 00017 00018 #ifdef HAVE_SIGPROCMASK 00019 extern sigset_t UnBlockSig, 00020 BlockSig, 00021 StartupBlockSig; 00022 00023 #define PG_SETMASK(mask) sigprocmask(SIG_SETMASK, mask, NULL) 00024 #else /* not HAVE_SIGPROCMASK */ 00025 extern int UnBlockSig, 00026 BlockSig, 00027 StartupBlockSig; 00028 00029 #ifndef WIN32 00030 #define PG_SETMASK(mask) sigsetmask(*((int*)(mask))) 00031 #else 00032 #define PG_SETMASK(mask) pqsigsetmask(*((int*)(mask))) 00033 int pqsigsetmask(int mask); 00034 #endif 00035 00036 #define sigaddset(set, signum) (*(set) |= (sigmask(signum))) 00037 #define sigdelset(set, signum) (*(set) &= ~(sigmask(signum))) 00038 #endif /* not HAVE_SIGPROCMASK */ 00039 00040 extern void pqinitmask(void); 00041 00042 #endif /* PQSIGNAL_H */
1.7.1