From b732a73bc773789894466b0e5320b2f1fe42c7e9 Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Fri, 1 Jun 2012 18:58:45 -0700
Subject: original, as downloaded from
 http://www.qmail.org/netqmail-1.06.tar.gz

---
 lock_exnb.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 lock_exnb.c

(limited to 'lock_exnb.c')

diff --git a/lock_exnb.c b/lock_exnb.c
new file mode 100644
index 0000000..5d2a14a
--- /dev/null
+++ b/lock_exnb.c
@@ -0,0 +1,11 @@
+#include <sys/types.h>
+#include <sys/file.h>
+#include <fcntl.h>
+#include "hasflock.h"
+#include "lock.h"
+
+#ifdef HASFLOCK
+int lock_exnb(fd) int fd; { return flock(fd,LOCK_EX | LOCK_NB); }
+#else
+int lock_exnb(fd) int fd; { return lockf(fd,2,0); }
+#endif
-- 
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