diff options
Diffstat (limited to 'lib/libc/stdio/putw.c')
| -rw-r--r-- | lib/libc/stdio/putw.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/libc/stdio/putw.c b/lib/libc/stdio/putw.c index 4ba898207f1e..604bed0b7925 100644 --- a/lib/libc/stdio/putw.c +++ b/lib/libc/stdio/putw.c @@ -40,11 +40,17 @@ static char sccsid[] = "@(#)putw.c 8.1 (Berkeley) 6/4/93"; #include <stdio.h> #include "fvwrite.h" +#ifdef _THREAD_SAFE +#include <pthread.h> +#include "pthread_private.h" +#endif +int putw(w, fp) int w; FILE *fp; { + int retval; struct __suio uio; struct __siov iov; @@ -52,5 +58,12 @@ putw(w, fp) iov.iov_len = uio.uio_resid = sizeof(w); uio.uio_iov = &iov; uio.uio_iovcnt = 1; - return (__sfvwrite(fp, &uio)); +#ifdef _THREAD_SAFE + _thread_flockfile(fp,__FILE__,__LINE__); +#endif + retval = __sfvwrite(fp, &uio); +#ifdef _THREAD_SAFE + _thread_funlockfile(fp); +#endif + return (retval); } |