src/include/libpq/pqsignal.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * pqsignal.h
   4  *        prototypes for the reliable BSD-style signal(2) routine.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $PostgreSQL$
  11  *
  12  * NOTES
  13  *        This shouldn't be in libpq, but the monitor and some other
  14  *        things need it...
  15  *
  16  *-------------------------------------------------------------------------
  17  */
  18 #ifndef PQSIGNAL_H
  19 #define PQSIGNAL_H
  20
  21 #include <signal.h>
  22
  23 #ifdef HAVE_SIGPROCMASK
  24 extern sigset_t UnBlockSig,
  25                         BlockSig,
  26                         AuthBlockSig;
  27
  28 #define PG_SETMASK(mask)        sigprocmask(SIG_SETMASK, mask, NULL)
  29 #else
  30 extern int      UnBlockSig,
  31                         BlockSig,
  32                         AuthBlockSig;
  33
  34 #ifndef WIN32
  35 #define PG_SETMASK(mask)        sigsetmask(*((int*)(mask)))
  36 #else
  37 #define PG_SETMASK(mask)                pqsigsetmask(*((int*)(mask)))
  38 int                     pqsigsetmask(int mask);
  39 #endif
  40 #endif
  41
  42 typedef void (*pqsigfunc) (int);
  43
  44 extern void pqinitmask(void);
  45
  46 extern pqsigfunc pqsignal(int signo, pqsigfunc func);
  47
  48 #endif   /* PQSIGNAL_H */