diff options
Diffstat (limited to 'libc/stdio/freopen.c')
| -rw-r--r-- | libc/stdio/freopen.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libc/stdio/freopen.c b/libc/stdio/freopen.c index 59b222864..da3a674c9 100644 --- a/libc/stdio/freopen.c +++ b/libc/stdio/freopen.c @@ -59,6 +59,8 @@ freopen(const char *file, const char *mode, FILE *fp) if (!__sdidinit) __sinit(); + FLOCKFILE(fp); + /* * There are actually programs that depend on being able to "freopen" * descriptors that weren't originally open. Keep this from breaking. @@ -120,6 +122,7 @@ freopen(const char *file, const char *mode, FILE *fp) if (f < 0) { /* did not get it after all */ fp->_flags = 0; /* set it free */ + FUNLOCKFILE(fp); errno = sverrno; /* restore in case _close clobbered */ return (NULL); } @@ -154,5 +157,6 @@ freopen(const char *file, const char *mode, FILE *fp) */ if (oflags & O_APPEND) (void) __sseek((void *)fp, (fpos_t)0, SEEK_END); + FUNLOCKFILE(fp); return (fp); } |