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Improve child process reaping (bug #278)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1521 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2003-09-16 19:35:57 +00:00
parent d77b1791d8
commit 4e13099add
2 changed files with 22 additions and 14 deletions
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19
asterisk.c
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@@ -337,11 +337,19 @@ static void hup_handler(int num)
ast_module_reload();
}
static void pipe_handler(int num)
static void child_handler(int sig)
{
/* Ignore sigpipe */
int n, status;
/*
* Reap all dead children -- not just one
*/
for (n = 0; wait4(-1, &status, WNOHANG, NULL) > 0; n++)
;
if (n == 0 && option_debug)
ast_log(LOG_DEBUG, "Huh? Child handler, but nobody there?\n");
}
static void set_title(char *text)
{
/* Set an X-term or screen title */
@@ -1366,11 +1374,14 @@ int main(int argc, char *argv[])
}
if (option_console && !option_verbose)
ast_verbose("[ Booting...");
signal(SIGURG, urg_handler);
signal(SIGINT, __quit_handler);
signal(SIGTERM, __quit_handler);
signal(SIGHUP, hup_handler);
signal(SIGPIPE, pipe_handler);
signal(SIGCHLD, child_handler);
signal(SIGPIPE, SIG_IGN);
if (set_priority(option_highpriority)) {
printf(term_quit());
exit(1);