Example #1
0
/*
 * PgArchiverMain
 *
 *	The argc/argv parameters are valid only in EXEC_BACKEND case.  However,
 *	since we don't use 'em, it hardly matters...
 */
NON_EXEC_STATIC void
PgArchiverMain(int argc, char *argv[])
{
	/*
	 * Ignore all signals usually bound to some action in the postmaster,
	 * except for SIGHUP, SIGTERM, SIGUSR1, SIGUSR2, and SIGQUIT.
	 */
	pqsignal(SIGHUP, ArchSigHupHandler);
	pqsignal(SIGINT, SIG_IGN);
	pqsignal(SIGTERM, ArchSigTermHandler);
	pqsignal(SIGQUIT, pgarch_exit);
	pqsignal(SIGALRM, SIG_IGN);
	pqsignal(SIGPIPE, SIG_IGN);
	pqsignal(SIGUSR1, pgarch_waken);
	pqsignal(SIGUSR2, pgarch_waken_stop);
	pqsignal(SIGCHLD, SIG_DFL);
	pqsignal(SIGTTIN, SIG_DFL);
	pqsignal(SIGTTOU, SIG_DFL);
	pqsignal(SIGCONT, SIG_DFL);
	pqsignal(SIGWINCH, SIG_DFL);
	PG_SETMASK(&UnBlockSig);

	/*
	 * Identify myself via ps
	 */
	init_ps_display("archiver process", "", "", "");

	pgarch_MainLoop();

	exit(0);
}
Example #2
0
/*
 * PgArchiverMain
 *
 *	The argc/argv parameters are valid only in EXEC_BACKEND case.  However,
 *	since we don't use 'em, it hardly matters...
 */
NON_EXEC_STATIC void
PgArchiverMain(int argc, char *argv[])
{
	IsUnderPostmaster = true;	/* we are a postmaster subprocess now */

	MyProcPid = getpid();		/* reset MyProcPid */

	MyStartTime = time(NULL);	/* record Start Time for logging */

	/*
	 * If possible, make this process a group leader, so that the postmaster
	 * can signal any child processes too.
	 */
#ifdef HAVE_SETSID
	if (setsid() < 0)
		elog(FATAL, "setsid() failed: %m");
#endif

	InitializeLatchSupport();	/* needed for latch waits */

	InitLatch(&mainloop_latch); /* initialize latch used in main loop */

	/*
	 * Ignore all signals usually bound to some action in the postmaster,
	 * except for SIGHUP, SIGTERM, SIGUSR1, SIGUSR2, and SIGQUIT.
	 */
	pqsignal(SIGHUP, ArchSigHupHandler);
	pqsignal(SIGINT, SIG_IGN);
	pqsignal(SIGTERM, ArchSigTermHandler);
	pqsignal(SIGQUIT, pgarch_exit);
	pqsignal(SIGALRM, SIG_IGN);
	pqsignal(SIGPIPE, SIG_IGN);
	pqsignal(SIGUSR1, pgarch_waken);
	pqsignal(SIGUSR2, pgarch_waken_stop);
	pqsignal(SIGCHLD, SIG_DFL);
	pqsignal(SIGTTIN, SIG_DFL);
	pqsignal(SIGTTOU, SIG_DFL);
	pqsignal(SIGCONT, SIG_DFL);
	pqsignal(SIGWINCH, SIG_DFL);
	PG_SETMASK(&UnBlockSig);

	/*
	 * Identify myself via ps
	 */
	init_ps_display("archiver process", "", "", "");

	pgarch_MainLoop();

	exit(0);
}
Example #3
0
/*
 * PgArchiverMain
 *
 *	The argc/argv parameters are valid only in EXEC_BACKEND case.  However,
 *	since we don't use 'em, it hardly matters...
 */
NON_EXEC_STATIC void
PgArchiverMain(int argc, char *argv[])
{
	IsUnderPostmaster = true;	/* we are a postmaster subprocess now */

	MyProcPid = getpid();		/* reset MyProcPid */

	/* Lose the postmaster's on-exit routines */
	on_exit_reset();

	/*
	 * Ignore all signals usually bound to some action in the postmaster,
	 * except for SIGHUP, SIGUSR1 and SIGQUIT.
	 */
	pqsignal(SIGHUP, ArchSigHupHandler);
	pqsignal(SIGINT, SIG_IGN);
	pqsignal(SIGTERM, SIG_IGN);
	pqsignal(SIGQUIT, pgarch_exit);
	pqsignal(SIGALRM, SIG_IGN);
	pqsignal(SIGPIPE, SIG_IGN);
	pqsignal(SIGUSR1, pgarch_waken);
	pqsignal(SIGUSR2, SIG_IGN);
	pqsignal(SIGCHLD, SIG_DFL);
	pqsignal(SIGTTIN, SIG_DFL);
	pqsignal(SIGTTOU, SIG_DFL);
	pqsignal(SIGCONT, SIG_DFL);
	pqsignal(SIGWINCH, SIG_DFL);
	PG_SETMASK(&UnBlockSig);

	/*
	 * Identify myself via ps
	 */
	init_ps_display("archiver process", "", "");
	set_ps_display("");

	pgarch_MainLoop();

	exit(0);
}