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/fscanf.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

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

diff --git a/lib/libc/stdio/fscanf.c b/lib/libc/stdio/fscanf.c
index f0e726a..bbb3155 100644
--- a/lib/libc/stdio/fscanf.c
+++ b/lib/libc/stdio/fscanf.c
@@ -44,14 +44,20 @@ static char sccsid[] = "@(#)fscanf.c	8.1 (Berkeley) 6/4/93";
 #else
 #include <varargs.h>
 #endif
+#ifdef _THREAD_SAFE
+#include <pthread.h>
+#include "pthread_private.h"
+#endif
 
 #if __STDC__
+int
 fscanf(FILE *fp, char const *fmt, ...) {
 	int ret;
 	va_list ap;
 
 	va_start(ap, fmt);
 #else
+int
 fscanf(fp, fmt, va_alist)
 	FILE *fp;
 	char *fmt;
@@ -62,7 +68,13 @@ fscanf(fp, fmt, va_alist)
 
 	va_start(ap);
 #endif
+#ifdef _THREAD_SAFE
+	_thread_flockfile(fp,__FILE__,__LINE__);
+#endif
 	ret = __svfscanf(fp, fmt, ap);
 	va_end(ap);
+#ifdef _THREAD_SAFE
+	_thread_funlockfile(fp);
+#endif
 	return (ret);
 }
-- 
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