Fixes #1687 by extra semaphore retval handle code for OSX

See https://github.com/minetest/minetest/issues/1687#issuecomment-56830173

Signed-off-by: Craig Robbins <kde.psych@gmail.com>

diff --git a/src/jthread/pthread/jsemaphore.cpp b/src/jthread/pthread/jsemaphore.cpp
index 609e2f518f47609614c50491db3f64379ed6731c..16e001e9264eb59ff90b8453665beb88443bf3bd 100644 (file)
--- a/src/jthread/pthread/jsemaphore.cpp
+++ b/src/jthread/pthread/jsemaphore.cpp
@@ -115,6 +115,13 @@ bool JSemaphore::Wait(unsigned int time_ms) {
        errno = 0;
 #ifdef __MACH__
        int sem_wait_retval = semaphore_timedwait(m_semaphore, waittime);
+       if (sem_wait_retval == KERN_OPERATION_TIMED_OUT) {
+               errno = ETIMEDOUT;
+       } else if (sem_wait_retval == KERN_ABORTED) {
+               errno = EINTR;
+       } else if (sem_wait_retval != 0) {
+               errno = EINVAL;
+       }
 #else
        int sem_wait_retval = sem_timedwait(&m_semaphore, &waittime);
 #endif