replaced pthread_yield with ssched_yield, fixed semaphore post:q

core/sync/sync_linux.odin

@@ -20,7 +20,10 @@ semaphore_destroy :: proc(s: ^Semaphore) {
 }
 
 semaphore_post :: proc(s: ^Semaphore, count := 1) {
-	assert(unix.sem_post(&s.handle) == 0);
+    // NOTE: SPEED: If there's one syscall to do this, we should use it instead of the loop.
+    for in 0..count-1 {
+	    assert(unix.sem_post(&s.handle) == 0);
+    }
 }
 
 semaphore_wait_for :: proc(s: ^Semaphore) {