Viewing file:  pqsignal.h (1.27 KB) -rw-r--r--
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/*-------------------------------------------------------------------------
*
* pqsignal.h
* prototypes for the reliable BSD-style signal(2) routine.
*
*
* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/libpq/pqsignal.h
*
* NOTES
* This shouldn't be in libpq, but the monitor and some other
* things need it...
*
*-------------------------------------------------------------------------
*/
#ifndef PQSIGNAL_H
#define PQSIGNAL_H
#include <signal.h>
#ifdef HAVE_SIGPROCMASK
extern sigset_t UnBlockSig,
BlockSig,
StartupBlockSig;
#define PG_SETMASK(mask) sigprocmask(SIG_SETMASK, mask, NULL)
#else /* not HAVE_SIGPROCMASK */
extern int UnBlockSig,
BlockSig,
StartupBlockSig;
#ifndef WIN32
#define PG_SETMASK(mask) sigsetmask(*((int*)(mask)))
#else
#define PG_SETMASK(mask) pqsigsetmask(*((int*)(mask)))
int pqsigsetmask(int mask);
#endif
#define sigaddset(set, signum) (*(set) |= (sigmask(signum)))
#define sigdelset(set, signum) (*(set) &= ~(sigmask(signum)))
#endif /* not HAVE_SIGPROCMASK */
typedef void (*pqsigfunc) (int);
extern void pqinitmask(void);
extern pqsigfunc pqsignal(int signo, pqsigfunc func);
#endif /* PQSIGNAL_H */
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