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authorjulian <julian@FreeBSD.org>1996-01-22 00:02:33 +0000
committerjulian <julian@FreeBSD.org>1996-01-22 00:02:33 +0000
commit619b731f5bb5e09dcf1eaf1fbd96383ca64398fd (patch)
treea89c7f50ec371cef4418259b9dccdd31ebb2f61f /lib/libc/stdio/fclose.c
parent663b14fb2f3198fb0bfb62ae16b6b56c2a4dd055 (diff)
downloadFreeBSD-src-619b731f5bb5e09dcf1eaf1fbd96383ca64398fd.zip
FreeBSD-src-619b731f5bb5e09dcf1eaf1fbd96383ca64398fd.tar.gz
Reviewed by: julian and (hsu?)
Submitted by: John Birrel(L?) changes for threadsafe operations
Diffstat (limited to 'lib/libc/stdio/fclose.c')
-rw-r--r--lib/libc/stdio/fclose.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/libc/stdio/fclose.c b/lib/libc/stdio/fclose.c
index 8315c3c..be92108 100644
--- a/lib/libc/stdio/fclose.c
+++ b/lib/libc/stdio/fclose.c
@@ -42,7 +42,12 @@ static char sccsid[] = "@(#)fclose.c 8.1 (Berkeley) 6/4/93";
#include <stdio.h>
#include <stdlib.h>
#include "local.h"
+#ifdef _THREAD_SAFE
+#include <pthread.h>
+#include "pthread_private.h"
+#endif
+int
fclose(fp)
register FILE *fp;
{
@@ -52,6 +57,9 @@ fclose(fp)
errno = EBADF;
return (EOF);
}
+#ifdef _THREAD_SAFE
+ _thread_flockfile(fp,__FILE__,__LINE__);
+#endif
r = fp->_flags & __SWR ? __sflush(fp) : 0;
if (fp->_close != NULL && (*fp->_close)(fp->_cookie) < 0)
r = EOF;
@@ -61,7 +69,11 @@ fclose(fp)
FREEUB(fp);
if (HASLB(fp))
FREELB(fp);
+#ifdef _THREAD_SAFE
+ _thread_funlockfile(fp);
+#endif
fp->_flags = 0; /* Release this FILE for reuse. */
+ fp->_file = -1;
fp->_r = fp->_w = 0; /* Mess up if reaccessed. */
return (r);
}
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