Workaround sem_wait failure in pthread_create on Haiku

Issue #97 (bdwgc).

sem_wait() fails because of some bug in Haiku OS (as of hrev51798).

* pthread_support.c [GC_HAIKU_THREADS] (WRAP_FUNC(pthread_create)):
If errno is EACCES then just retry sem_wait instead of ABORT.

diff --git a/pthread_support.c b/pthread_support.c
index f0b8e929d224773657edfb71b7d5e9b9e2b63b9c..969f477a1a9c09cc337db6902fa77d9679075ee4 100644 (file)
--- a/pthread_support.c
+++ b/pthread_support.c
@@ -1876,6 +1876,10 @@ GC_API int WRAP_FUNC(pthread_create)(pthread_t *new_thread,
         DISABLE_CANCEL(cancel_state);
                 /* pthread_create is not a cancellation point. */
         while (0 != sem_wait(&(si -> registered))) {
+#           if defined(GC_HAIKU_THREADS)
+              /* To workaround some bug in Haiku semaphores. */
+              if (EACCES == errno) continue;
+#           endif
             if (EINTR != errno) ABORT("sem_wait failed");
         }
         RESTORE_CANCEL(cancel_state);