Eneboo - Documentación para desarrolladores: Fichero Fuente src/libpq/include/libpq/pqsignal.h

Eneboo - Documentación para desarrolladores
00001 /*-------------------------------------------------------------------------
00002  *
00003  * pqsignal.h
00004  *        prototypes for the reliable BSD-style signal(2) routine.
00005  *
00006  *
00007  * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
00008  * Portions Copyright (c) 1994, Regents of the University of California
00009  *
00010  * $PostgreSQL: pgsql/src/include/libpq/pqsignal.h,v 1.29 2004/12/31 22:03:32 pgsql Exp $
00011  *
00012  * NOTES
00013  *        This shouldn't be in libpq, but the monitor and some other
00014  *        things need it...
00015  *
00016  *-------------------------------------------------------------------------
00017  */
00018 #ifndef PQSIGNAL_H
00019 #define PQSIGNAL_H
00020 
00021 #include <signal.h>
00022 
00023 #ifdef HAVE_SIGPROCMASK
00024 extern sigset_t UnBlockSig,
00025                         BlockSig,
00026                         AuthBlockSig;
00027 
00028 #define PG_SETMASK(mask)        sigprocmask(SIG_SETMASK, mask, NULL)
00029 #else
00030 extern int      UnBlockSig,
00031                         BlockSig,
00032                         AuthBlockSig;
00033 
00034 #ifndef WIN32
00035 #define PG_SETMASK(mask)        sigsetmask(*((int*)(mask)))
00036 #else
00037 #define PG_SETMASK(mask)                pqsigsetmask(*((int*)(mask)))
00038 int                     pqsigsetmask(int mask);
00039 #endif
00040 #endif
00041 
00042 typedef void (*pqsigfunc) (int);
00043 
00044 extern void pqinitmask(void);
00045 
00046 extern pqsigfunc pqsignal(int signo, pqsigfunc func);
00047 
00048 #endif   /* PQSIGNAL_H */