From 4c59adb1de97ffa40ae4cb3a0c82d93e40e68612 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@bah.org.ru>
Date: Tue, 9 Feb 2010 17:05:02 +0300
Subject: [PATCH] make_lockfile: only call posix_getpid() if it actually exists
 (hello, win32)

---
 functions.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/functions.php b/functions.php
index 8eb6d79a..1563c95e 100644
--- a/functions.php
+++ b/functions.php
@@ -2236,7 +2236,9 @@
 		$fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
 
 		if (flock($fp, LOCK_EX | LOCK_NB)) {
-			fwrite($fp, posix_getpid() . "\n");
+			if (function_exists('posix_getpid')) {
+				fwrite($fp, posix_getpid() . "\n");
+			}
 			return $fp;
 		} else {
 			return false;
-- 
2.39.5