diff options
| -rw-r--r-- | linuxthreads/ChangeLog | 7 | ||||
| -rw-r--r-- | linuxthreads/lockfile.c | 11 |
2 files changed, 15 insertions, 3 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index e55344b..57bb848 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,10 @@ +2000-09-01 Ulrich Drepper <drepper@redhat.com> + + * lockfile.c (__flockfile): If _IO_USER_LOCK bit is set don't do + anything. + (__funlockfile): Likewise. + (__ftrylockfile): If _IO_USER_LOCK bit is set return always 0. + 2000-08-30 Ulrich Drepper <drepper@redhat.com> * manager.c (pthread_allocate_stack): Clear descriptor only if not diff --git a/linuxthreads/lockfile.c b/linuxthreads/lockfile.c index 0ef02f8..a7836b8 100644 --- a/linuxthreads/lockfile.c +++ b/linuxthreads/lockfile.c @@ -29,7 +29,8 @@ void __flockfile (FILE *stream) { #ifdef USE_IN_LIBIO - __pthread_mutex_lock (stream->_lock); + if ((stream->_flags & _IO_USER_LOCK) == 0) + __pthread_mutex_lock (stream->_lock); #else #endif } @@ -44,7 +45,8 @@ void __funlockfile (FILE *stream) { #ifdef USE_IN_LIBIO - __pthread_mutex_unlock (stream->_lock); + if ((stream->_flags & _IO_USER_LOCK) == 0) + __pthread_mutex_unlock (stream->_lock); #else #endif } @@ -59,7 +61,10 @@ int __ftrylockfile (FILE *stream) { #ifdef USE_IN_LIBIO - return __pthread_mutex_trylock (stream->_lock); + if ((stream->_flags & _IO_USER_LOCK) == 0) + return __pthread_mutex_trylock (stream->_lock); + else + return 0; #else #endif } |