From 619b731f5bb5e09dcf1eaf1fbd96383ca64398fd Mon Sep 17 00:00:00 2001
From: julian <julian@FreeBSD.org>
Date: Mon, 22 Jan 1996 00:02:33 +0000
Subject: Reviewed by:	julian and (hsu?) Submitted by:	 John Birrel(L?)

changes for threadsafe operations
---
 lib/libc/stdio/clrerr.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'lib/libc/stdio/clrerr.c')

diff --git a/lib/libc/stdio/clrerr.c b/lib/libc/stdio/clrerr.c
index de4526e..a597b7b 100644
--- a/lib/libc/stdio/clrerr.c
+++ b/lib/libc/stdio/clrerr.c
@@ -40,10 +40,20 @@ static char sccsid[] = "@(#)clrerr.c	8.1 (Berkeley) 6/4/93";
 
 #include <stdio.h>
 #undef	clearerr
+#ifdef _THREAD_SAFE
+#include <pthread.h>
+#include "pthread_private.h"
+#endif
 
 void
 clearerr(fp)
 	FILE *fp;
 {
+#ifdef _THREAD_SAFE
+	_thread_flockfile(fp,__FILE__,__LINE__);
+#endif
 	__sclearerr(fp);
+#ifdef _THREAD_SAFE
+	_thread_funlockfile(fp);
+#endif
 }
-- 
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