[launchd-changes] [23092] trunk/launchd/src/launchd.c

[source_changes at macosforge.org]

Revision: 23092
          http://trac.macosforge.org/projects/launchd/changeset/23092
Author:   zarzycki at apple.com
Date:     2007-02-20 08:57:11 -0800 (Tue, 20 Feb 2007)

Log Message:
-----------
Workaround 4978696: getifaddrs() reports false ENOMEM

Modified Paths:
--------------
    trunk/launchd/src/launchd.c

Modified: trunk/launchd/src/launchd.c
===================================================================
--- trunk/launchd/src/launchd.c	2007-02-20 14:01:28 UTC (rev 23091)
+++ trunk/launchd/src/launchd.c	2007-02-20 16:57:11 UTC (rev 23092)
@@ -64,6 +64,7 @@
 #include <string.h>
 #include <setjmp.h>
 #include <spawn.h>
+#include <sched.h>
 
 #include "libbootstrap_public.h"
 #include "libvproc_public.h"
@@ -341,8 +342,15 @@
 {
 	struct ifaddrs *ifa, *ifai;
 	bool up = false;
+	int r;
 
-	if (!launchd_assumes(getifaddrs(&ifa) != -1)) {
+	/* Workaround 4978696: getifaddrs() reports false ENOMEM */
+	while ((r = getifaddrs(&ifa)) == -1 && errno == ENOMEM) {
+		runtime_syslog(LOG_DEBUG, "Worked around bug: 4978696");
+		launchd_assumes(sched_yield() != -1);
+	}
+
+	if (!launchd_assumes(r != -1)) {
 		return network_up;
 	}
 

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