[launchd-changes] [23109] trunk/launchd/src/wait4path.c

source_changes at macosforge.org source_changes at macosforge.org
Sun Feb 25 15:43:11 PST 2007


Revision: 23109
          http://trac.macosforge.org/projects/launchd/changeset/23109
Author:   zarzycki at apple.com
Date:     2007-02-25 15:43:10 -0800 (Sun, 25 Feb 2007)

Log Message:
-----------
Fix a small race (never seen in practice).

Modified Paths:
--------------
    trunk/launchd/src/wait4path.c

Modified: trunk/launchd/src/wait4path.c
===================================================================
--- trunk/launchd/src/wait4path.c	2007-02-25 23:32:43 UTC (rev 23108)
+++ trunk/launchd/src/wait4path.c	2007-02-25 23:43:10 UTC (rev 23109)
@@ -39,9 +39,6 @@
 		exit(EXIT_FAILURE);
 	}
 
-	if (stat(argv[1], &sb) == 0)
-		exit(EXIT_SUCCESS);
-
 	EV_SET(&kev, 0, EVFILT_FS, EV_ADD, 0, 0, 0);
 
 	if (kevent(kq, &kev, 1, NULL, 0, NULL) == -1) {
@@ -49,10 +46,15 @@
 		exit(EXIT_FAILURE);
 	}
 
+	if (stat(argv[1], &sb) == 0) {
+		exit(EXIT_SUCCESS);
+	}
+
 	for (;;) {
 		kevent(kq, NULL, 0, &kev, 1, NULL);
-		if (stat(argv[1], &sb) == 0)
+		if (stat(argv[1], &sb) == 0) {
 			break;
+		}
 	}
 	
 	exit(EXIT_SUCCESS);

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