diff options
Diffstat (limited to 'libc/stdio/stdio.c')
| -rw-r--r-- | libc/stdio/stdio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libc/stdio/stdio.c b/libc/stdio/stdio.c index 49d2a74c6..8ee1a16e2 100644 --- a/libc/stdio/stdio.c +++ b/libc/stdio/stdio.c @@ -1007,7 +1007,9 @@ int __fsetlocking(FILE *stream, int locking_mode) void flockfile(FILE *stream) { +#ifdef __STDIO_THREADSAFE pthread_mutex_lock(&stream->lock); +#endif } #endif @@ -1016,7 +1018,11 @@ void flockfile(FILE *stream) int ftrylockfile(FILE *stream) { +#ifdef __STDIO_THREADSAFE return pthread_mutex_trylock(&stream->lock); +#else + return 1; +#endif } #endif @@ -1025,7 +1031,9 @@ int ftrylockfile(FILE *stream) void funlockfile(FILE *stream) { +#ifdef __STDIO_THREADSAFE pthread_mutex_unlock(&stream->lock); +#endif } #endif |