diff options
Diffstat (limited to 'libc/stdio/fflush.c')
| -rw-r--r-- | libc/stdio/fflush.c | 29 |
1 files changed, 7 insertions, 22 deletions
diff --git a/libc/stdio/fflush.c b/libc/stdio/fflush.c index 84e2a26cc..e1527b3a3 100644 --- a/libc/stdio/fflush.c +++ b/libc/stdio/fflush.c @@ -15,31 +15,16 @@ libc_hidden_proto(fflush_unlocked) #warning WISHLIST: Add option to test for undefined behavior of fflush. #endif /* __UCLIBC_MJN3_ONLY__ */ -#ifdef __UCLIBC_HAS_THREADS__ /* Even if the stream is set to user-locking, we still need to lock * when all (lbf) writing streams are flushed. */ -#define __MY_STDIO_THREADLOCK(__stream) \ - do { \ - struct _pthread_cleanup_buffer __infunc_pthread_cleanup_buffer; \ - if (_stdio_user_locking != 2) { \ - _pthread_cleanup_push_defer(&__infunc_pthread_cleanup_buffer, \ - __pthread_mutex_unlock, \ - &(__stream)->__lock); \ - __pthread_mutex_lock(&(__stream)->__lock); \ - } \ - ((void)0) - -#define __MY_STDIO_THREADUNLOCK(__stream) \ - if (_stdio_user_locking != 2) { \ - _pthread_cleanup_pop_restore(&__infunc_pthread_cleanup_buffer,1);\ - } \ - } while (0) - -#else -#define __MY_STDIO_THREADLOCK(STREAM) ((void)0) -#define __MY_STDIO_THREADUNLOCK(STREAM) ((void)0) -#endif +#define __MY_STDIO_THREADLOCK(__stream) \ + __UCLIBC_MUTEX_CONDITIONAL_LOCK((__stream)->__lock, \ + (_stdio_user_locking != 2)) + +#define __MY_STDIO_THREADUNLOCK(__stream) \ + __UCLIBC_MUTEX_CONDITIONAL_UNLOCK((__stream)->__lock, \ + (_stdio_user_locking != 2)) #if defined(__UCLIBC_HAS_THREADS__) && defined(__STDIO_BUFFERS) void _stdio_openlist_dec_use(void) |