executor: improvements for akaros

1. remove workaround for pthread attrs (was fixed in akaros)
2. remove workaround for dup2 (was fixed in akaros)
3. check that we receive a program
4. implement timeout for test processes

1 files changed, 2 insertions, 9 deletions

diff --git a/executor/executor_posix.h b/executor/executor_posix.h
index e75bfb3a7..e9b06b807 100644
--- a/executor/executor_posix.h
+++ b/executor/executor_posix.h
@@ -23,17 +23,10 @@ struct event_t {
 
 void event_init(event_t* ev)
 {
-	// Akaros crashes on NULL attr.
-	pthread_mutexattr_t attr;
-	pthread_mutexattr_init(&attr);
-	if (pthread_mutex_init(&ev->mu, &attr))
+	if (pthread_mutex_init(&ev->mu, 0))
 		fail("pthread_mutex_init failed");
-	pthread_mutexattr_destroy(&attr);
-	pthread_condattr_t cvattr;
-	pthread_condattr_init(&cvattr);
-	if (pthread_cond_init(&ev->cv, &cvattr))
+	if (pthread_cond_init(&ev->cv, 0))
 		fail("pthread_cond_init failed");
-	pthread_condattr_destroy(&cvattr);
 	ev->state = false;
 }