diff options
| author | David Leonard <d@cvs.openbsd.org> | 1998-12-23 22:44:40 +0000 |
|---|---|---|
| committer | David Leonard <d@cvs.openbsd.org> | 1998-12-23 22:44:40 +0000 |
| commit | 938bca1568f345ca57f6e36836d841fd02065113 (patch) | |
| tree | 8fa39b22bf4db0084e8faf1f7ec189b812c30be6 /lib | |
| parent | 57aef68217f0d74fb7207c4f8e6dd7aeccf6ecd4 (diff) | |
funlockfile shouldnt assume flockfile has been called
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc_r/uthread/uthread_file.c | 15 | ||||
| -rw-r--r-- | lib/libpthread/uthread/uthread_file.c | 15 |
2 files changed, 24 insertions, 6 deletions
diff --git a/lib/libc_r/uthread/uthread_file.c b/lib/libc_r/uthread/uthread_file.c index 26f0835ec1c..a4b5f922fd7 100644 --- a/lib/libc_r/uthread/uthread_file.c +++ b/lib/libc_r/uthread/uthread_file.c @@ -29,8 +29,8 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: uthread_file.c,v 1.2 1998/11/09 03:13:19 d Exp $ - * $OpenBSD: uthread_file.c,v 1.2 1998/11/09 03:13:19 d Exp $ + * $FreeBSD: uthread_file.c,v 1.6 1998/09/09 16:50:33 dt Exp $ + * $OpenBSD: uthread_file.c,v 1.3 1998/12/23 22:44:39 d Exp $ * * POSIX stdio FILE locking functions. These assume that the locking * is only required at FILE structure level, not at file descriptor @@ -255,6 +255,15 @@ ftrylockfile(FILE * fp) /* Lock the hash table: */ _SPINLOCK(&hash_lock); + /* Check if the static array has not been initialised: */ + if (!init_done) { + /* Initialise the global array: */ + memset(flh,0,sizeof(flh)); + + /* Flag the initialisation as complete: */ + init_done = 1; + } + /* Get a pointer to any existing lock for the file: */ if ((p = find_lock(idx, fp)) == NULL) { /* @@ -310,7 +319,7 @@ funlockfile(FILE * fp) * Get a pointer to the lock for the file and check that * the running thread is the one with the lock: */ - if ((p = find_lock(idx, fp)) != NULL && + if (init_done && (p = find_lock(idx, fp)) != NULL && p->owner == _thread_run) { /* * Check if this thread has locked the FILE diff --git a/lib/libpthread/uthread/uthread_file.c b/lib/libpthread/uthread/uthread_file.c index 26f0835ec1c..a4b5f922fd7 100644 --- a/lib/libpthread/uthread/uthread_file.c +++ b/lib/libpthread/uthread/uthread_file.c @@ -29,8 +29,8 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: uthread_file.c,v 1.2 1998/11/09 03:13:19 d Exp $ - * $OpenBSD: uthread_file.c,v 1.2 1998/11/09 03:13:19 d Exp $ + * $FreeBSD: uthread_file.c,v 1.6 1998/09/09 16:50:33 dt Exp $ + * $OpenBSD: uthread_file.c,v 1.3 1998/12/23 22:44:39 d Exp $ * * POSIX stdio FILE locking functions. These assume that the locking * is only required at FILE structure level, not at file descriptor @@ -255,6 +255,15 @@ ftrylockfile(FILE * fp) /* Lock the hash table: */ _SPINLOCK(&hash_lock); + /* Check if the static array has not been initialised: */ + if (!init_done) { + /* Initialise the global array: */ + memset(flh,0,sizeof(flh)); + + /* Flag the initialisation as complete: */ + init_done = 1; + } + /* Get a pointer to any existing lock for the file: */ if ((p = find_lock(idx, fp)) == NULL) { /* @@ -310,7 +319,7 @@ funlockfile(FILE * fp) * Get a pointer to the lock for the file and check that * the running thread is the one with the lock: */ - if ((p = find_lock(idx, fp)) != NULL && + if (init_done && (p = find_lock(idx, fp)) != NULL && p->owner == _thread_run) { /* * Check if this thread has locked the FILE |