legacy-pqsignal.c File Reference

#include "postgres_fe.h"
#include <signal.h>

Include dependency graph for legacy-pqsignal.c:

Go to the source code of this file.

Typedefs
typedef void(*	pqsigfunc_legacy) (int postgres_signal_arg)

Functions
pqsigfunc_legacy	pqsignal (int signo, pqsigfunc_legacy func)

Typedef Documentation

pqsigfunc_legacy

typedef void(* pqsigfunc_legacy) (int postgres_signal_arg)

Definition at line 40 of file legacy-pqsignal.c.

Function Documentation

pqsignal()

pqsigfunc_legacy pqsignal ( int  signo, pqsigfunc_legacy  func  )

extern

Definition at line 44 of file legacy-pqsignal.c.

{
#ifndef WIN32
    struct sigaction act,
                oact;
 
    act.sa_handler = func;
    sigemptyset(&act.sa_mask);
    act.sa_flags = 0;
    if (signo != SIGALRM)
        act.sa_flags |= SA_RESTART;
#ifdef SA_NOCLDSTOP
    if (signo == SIGCHLD)
        act.sa_flags |= SA_NOCLDSTOP;
#endif
    if (sigaction(signo, &act, &oact) < 0)
        return SIG_ERR;
    return oact.sa_handler;
#else                           /* WIN32 */
    return signal(signo, func);
#endif
}

References fb(), SIGALRM, and SIGCHLD.