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util: use sigaction() to set signal handler

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This commit is contained in:
Miroslav Lichvar
2015-07-27 14:41:14 +02:00
parent ceef8ad2d8
commit 206e597b04
1 changed files with 24 additions and 6 deletions
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30
util.c
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@@ -845,11 +845,29 @@ UTI_DecodePasswordFromText(char *key)
int int
UTI_SetQuitSignalsHandler(void (*handler)(int)) UTI_SetQuitSignalsHandler(void (*handler)(int))
{ {
signal(SIGINT, handler); struct sigaction sa;
signal(SIGTERM, handler);
#if !defined(WINNT) sa.sa_handler = handler;
signal(SIGQUIT, handler); sa.sa_flags = SA_RESTART;
signal(SIGHUP, handler); if (sigemptyset(&sa.sa_mask) < 0)
#endif /* WINNT */ return 0;
#ifdef SIGINT
if (sigaction(SIGINT, &sa, NULL) < 0)
return 0;
#endif
#ifdef SIGTERM
if (sigaction(SIGTERM, &sa, NULL) < 0)
return 0;
#endif
#ifdef SIGQUIT
if (sigaction(SIGQUIT, &sa, NULL) < 0)
return 0;
#endif
#ifdef SIGHUP
if (sigaction(SIGHUP, &sa, NULL) < 0)
return 0;
#endif
return 1; return 1;
} }