X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fdaemonize%2Fdaemonize.c;h=bd32ecbbaeebc866426eb212ca3811264e060d21;hb=ce907a7f849c8cce11083864bf39c84a0f6c7810;hp=ff12bfce3f7d15dfcab1053f7a673cae23963125;hpb=ca4485a1cd6ed331aa9a52662a00de81a9209fd6;p=ccan

diff --git a/ccan/daemonize/daemonize.c b/ccan/daemonize/daemonize.c
index ff12bfce..bd32ecbb 100644
--- a/ccan/daemonize/daemonize.c
+++ b/ccan/daemonize/daemonize.c
@@ -1,3 +1,4 @@
+/* Licensed under BSD-MIT - see LICENSE file for details */
 #include <ccan/daemonize/daemonize.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ -14,8 +15,9 @@ bool daemonize(void)
 	/* Separate from our parent via fork, so init inherits us. */
 	if ((pid = fork()) < 0)
 		return false;
+	/* use _exit() to avoid triggering atexit() processing */
 	if (pid != 0)
-		exit(0);
+		_exit(0);
 
 	/* Don't hold files open. */
 	close(STDIN_FILENO);
@@ -31,7 +33,8 @@ bool daemonize(void)
 	close(0);
 
 	/* Session leader so ^C doesn't whack us. */
-	setsid();
+	if (setsid() == (pid_t)-1)
+	        return false;
 	/* Move off any mount points we might be in. */
 	if (chdir("/") != 0)
 		return false;