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Addition of signal handler for SIGUSR1 to rotate all log files

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This commit is contained in:
Mark Riddoch 2014-11-19 15:16:48 +00:00
parent e67ded72a0
commit 97b730c2e0
1 changed files with 35 additions and 0 deletions
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35
server/core/gateway.c
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@ -195,6 +195,21 @@ static void sighup_handler (int i)
config_reload();
}
/**
* Handler for SIGUSR1 signal. A SIGUSR1 signal will cause
* maxscale to rotate all log files.
*/
static void sigusr1_handler (int i)
{
LOGIF(LM, (skygw_log_write(
LOGFILE_MESSAGE,
"Log file flush following reception of SIGUSR1\n")));
skygw_log_rotate(LOGFILE_ERROR);
skygw_log_rotate(LOGFILE_MESSAGE);
skygw_log_rotate(LOGFILE_TRACE);
skygw_log_rotate(LOGFILE_DEBUG);
}
static void sigterm_handler (int i) {
extern void shutdown_server();
@ -1234,6 +1249,18 @@ int main(int argc, char **argv)
rc = MAXSCALE_INTERNALERROR;
goto return_main;
}
r = sigdelset(&sigset, SIGUSR1);
if (r != 0)
{
char* logerr = "Failed to delete signal SIGUSR1 from the "
"signal set of MaxScale. Exiting.";
eno = errno;
errno = 0;
print_log_n_stderr(true, true, fprerr, logerr, eno);
rc = MAXSCALE_INTERNALERROR;
goto return_main;
}
r = sigdelset(&sigset, SIGTERM);
if (r != 0)
@ -1335,6 +1362,14 @@ int main(int argc, char **argv)
"SIGHUP. Exiting.");
goto sigset_err;
}
l = signal_set(SIGUSR1, sigusr1_handler);
if (l != 0)
{
logerr = strdup("Failed to set signal handler for "
"SIGUSR1. Exiting.");
goto sigset_err;
}
l = signal_set(SIGTERM, sigterm_handler);
if (l != 0)