diff options
Diffstat (limited to 'lib/libc/stdio/_flock_stub.c')
| -rw-r--r-- | lib/libc/stdio/_flock_stub.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/libc/stdio/_flock_stub.c b/lib/libc/stdio/_flock_stub.c index 8abc8e3..1b79ce2 100644 --- a/lib/libc/stdio/_flock_stub.c +++ b/lib/libc/stdio/_flock_stub.c @@ -73,7 +73,9 @@ _flockfile(FILE *fp) { pthread_t curthread = _pthread_self(); - if (fp->_lock->fl_owner == curthread) + if (fp->_lock == NULL) { + } + else if (fp->_lock->fl_owner == curthread) fp->_lock->fl_count++; else { /* @@ -101,7 +103,9 @@ _ftrylockfile(FILE *fp) pthread_t curthread = _pthread_self(); int ret = 0; - if (fp->_lock->fl_owner == curthread) + if (fp->_lock == NULL) { + } + else if (fp->_lock->fl_owner == curthread) fp->_lock->fl_count++; /* * Make sure this mutex is treated as a private @@ -121,10 +125,12 @@ _funlockfile(FILE *fp) { pthread_t curthread = _pthread_self(); + if (fp->_lock == NULL) { + } /* * Check if this file is owned by the current thread: */ - if (fp->_lock->fl_owner == curthread) { + else if (fp->_lock->fl_owner == curthread) { /* * Check if this thread has locked the FILE * more than once: |
