Mercurial > dovecot > original-hg > dovecot-1.2

changeset 2948:0e7a0e204f5d HEAD

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If pid in dotlock file is same as ours, assume a stale lock file.
author Timo Sirainen <tss@iki.fi>
date Tue, 07 Dec 2004 02:41:38 +0200
parents a519f183bacf
children 05ae72649fd0
files src/lib/file-dotlock.c
diffstat 1 files changed, 7 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/src/lib/file-dotlock.c	Tue Dec 07 02:26:01 2004 +0200
+++ b/src/lib/file-dotlock.c	Tue Dec 07 02:41:38 2004 +0200
@@ -131,8 +131,13 @@
 
 	if (lock_info->have_pid) {
 		/* we've local PID. Check if it exists. */
-		if (kill(pid, 0) == 0 || errno != ESRCH)
-			return 0;
+		if (kill(pid, 0) == 0 || errno != ESRCH) {
+			if (pid != getpid())
+				return 0;
+			/* it's us. either we're locking it again, or it's a
+			   stale lock file with same pid than us. either way,
+			   recreate it.. */
+		}
 
 		/* doesn't exist - go ahead and delete */
 		if (unlink(lock_info->lock_path) < 0 && errno != ENOENT) {