ext/libuv/src/unix/pthread-fixes.c in libuv-2.0.8 vs ext/libuv/src/unix/pthread-fixes.c in libuv-2.0.9

@@ -27,78 +27,30 @@
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-/* Android versions < 4.1 have a broken pthread_sigmask.
- * Note that this block of code must come before any inclusion of
- * pthread-fixes.h so that the real pthread_sigmask can be referenced.
- * */
+/* Android versions < 4.1 have a broken pthread_sigmask. */
 #include <errno.h>
 #include <pthread.h>
 #include <signal.h>
 
 int uv__pthread_sigmask(int how, const sigset_t* set, sigset_t* oset) {
   static int workaround;
+  int err;
 
   if (workaround) {
     return sigprocmask(how, set, oset);
-  } else if (pthread_sigmask(how, set, oset)) {
-    if (errno == EINVAL && sigprocmask(how, set, oset) == 0) {
-      workaround = 1;
-      return 0;
-    } else {
-      return -1;
-    }
   } else {
-    return 0;
+    err = pthread_sigmask(how, set, oset);
+    if (err) {
+      if (err == EINVAL && sigprocmask(how, set, oset) == 0) {
+        workaround = 1;
+        return 0;
+      } else {
+        return -1;
+      }
+    }
   }
-}
 
-/*Android doesn't provide pthread_barrier_t for now.*/
-#ifndef PTHREAD_BARRIER_SERIAL_THREAD
-
-#include "pthread-fixes.h"
-
-int pthread_barrier_init(pthread_barrier_t* barrier,
-                         const void* barrier_attr,
-                         unsigned count) {
-  barrier->count = count;
-  pthread_mutex_init(&barrier->mutex, NULL);
-  pthread_cond_init(&barrier->cond, NULL);
-  return 0;
-}
-
-int pthread_barrier_wait(pthread_barrier_t* barrier) {
-  /* Lock the mutex*/
-  pthread_mutex_lock(&barrier->mutex);
-  /* Decrement the count. If this is the first thread to reach 0, wake up
-     waiters, unlock the mutex, then return PTHREAD_BARRIER_SERIAL_THREAD.*/
-  if (--barrier->count == 0) {
-    /* First thread to reach the barrier */
-    pthread_cond_broadcast(&barrier->cond);
-    pthread_mutex_unlock(&barrier->mutex);
-    return PTHREAD_BARRIER_SERIAL_THREAD;
-  }
-  /* Otherwise, wait for other threads until the count reaches 0, then
-     return 0 to indicate this is not the first thread.*/
-  do {
-    pthread_cond_wait(&barrier->cond, &barrier->mutex);
-  } while (barrier->count > 0);
-
-  pthread_mutex_unlock(&barrier->mutex);
-  return 0;
-}
-
-int pthread_barrier_destroy(pthread_barrier_t *barrier) {
-  barrier->count = 0;
-  pthread_cond_destroy(&barrier->cond);
-  pthread_mutex_destroy(&barrier->mutex);
-  return 0;
-}
-
-#endif  /* defined(PTHREAD_BARRIER_SERIAL_THREAD) */
-
-int pthread_yield(void) {
-  sched_yield();
   return 0;
 }