diff options
Diffstat (limited to 'lib/libc/stdio/rewind.c')
-rw-r--r-- | lib/libc/stdio/rewind.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/libc/stdio/rewind.c b/lib/libc/stdio/rewind.c index 4f8391b..f6609d6 100644 --- a/lib/libc/stdio/rewind.c +++ b/lib/libc/stdio/rewind.c @@ -35,17 +35,31 @@ */ #if defined(LIBC_SCCS) && !defined(lint) +#if 0 static char sccsid[] = "@(#)rewind.c 8.1 (Berkeley) 6/4/93"; +#endif +static const char rcsid[] = + "$Id$"; #endif /* LIBC_SCCS and not lint */ #include <errno.h> #include <stdio.h> +#ifdef _THREAD_SAFE +#include <pthread.h> +#include "pthread_private.h" +#endif void rewind(fp) register FILE *fp; { +#ifdef _THREAD_SAFE + _thread_flockfile(fp,__FILE__,__LINE__); +#endif (void) fseek(fp, 0L, SEEK_SET); clearerr(fp); +#ifdef _THREAD_SAFE + _thread_funlockfile(fp); +#endif errno = 0; /* not required, but seems reasonable */ } |