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Added periodic alarm to avoid blocking send()

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This commit is contained in:
Stefan Ritt 2013-07-24 09:20:34 -07:00
parent 2e365fffde
commit ba71ce7427
1 changed files with 15 additions and 1 deletions
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16
src/elogd.c
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@ -28492,6 +28492,12 @@ void hup_handler(int sig)
_hup = TRUE; _hup = TRUE;
} }
void alarm_handler(int sig)
{
if (sig)
alarm(3);
}
/*------------------------------------------------------------------*/ /*------------------------------------------------------------------*/
#ifdef HAVE_SSL #ifdef HAVE_SSL
@ -28567,6 +28573,7 @@ void server_loop(void)
struct sigaction ctrlc_handle; struct sigaction ctrlc_handle;
struct sigaction ignore_handle; struct sigaction ignore_handle;
struct sigaction hup_handle; struct sigaction hup_handle;
struct sigaction alarm_handle;
#endif #endif
i_conn = content_length = 0; i_conn = content_length = 0;
@ -28739,7 +28746,14 @@ void server_loop(void)
sigemptyset(&hup_handle.sa_mask); sigemptyset(&hup_handle.sa_mask);
hup_handle.sa_flags = 0; hup_handle.sa_flags = 0;
sigaction(SIGHUP, &hup_handle, NULL); sigaction(SIGHUP, &hup_handle, NULL);
alarm_handle.sa_handler = alarm_handler;
sigemptyset(&alarm_handle.sa_mask);
alarm_handle.sa_flags = 0;
sigaction(SIGALRM, &alarm_handle, NULL);
alarm(3); // prevents blocking send() operations
/* give up root privilege */ /* give up root privilege */
if (geteuid() == 0) { if (geteuid() == 0) {
if (!getcfg("global", "Grp", str, sizeof(str)) || setegroup(str) < 0) { if (!getcfg("global", "Grp", str, sizeof(str)) || setegroup(str) < 0) {