diff options
Diffstat (limited to 'linuxthreads/lockfile.c')
| -rw-r--r-- | linuxthreads/lockfile.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/linuxthreads/lockfile.c b/linuxthreads/lockfile.c index 0ef02f8757..a7836b8168 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 } |