From: Szabolcs Nagy <nsz@port70.net>
Date: Sun, 1 Mar 2015 11:01:24 +0000 (+0100)
Subject: regression test for __timedwait ECANCELED omission
X-Git-Url: http://nsz.repo.hu/git/?p=libc-test;a=commitdiff_plain;h=83e2fb402916e68f213d7809e7fb1c82fbf9294a

regression test for __timedwait ECANCELED omission
---

diff --git a/src/regression/pthread_cond_wait-cancel_ignored.c b/src/regression/pthread_cond_wait-cancel_ignored.c
new file mode 100644
index 0000000..6d02bb9
--- /dev/null
+++ b/src/regression/pthread_cond_wait-cancel_ignored.c
@@ -0,0 +1,54 @@
+// commit 76ca7a5446a8aec2b671a401d5e1878c4704754e
+// pthread_cond_wait should act on cancellation arriving after unlocking mutex
+
+#include <pthread.h>
+#include <errno.h>
+#include <time.h>
+
+#include "test.h"
+
+static pthread_mutex_t mx = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t cv = PTHREAD_COND_INITIALIZER;
+static int waiting;
+
+static void cleanup(void *p)
+{
+	waiting = 0;
+	pthread_cond_signal(&cv);
+	pthread_mutex_unlock(&mx);
+}
+
+static void *waiter(void *p)
+{
+	pthread_mutex_lock(&mx);
+	waiting = 1;
+	pthread_cond_signal(&cv);
+	pthread_cleanup_push(cleanup, 0);
+	while (waiting) pthread_cond_wait(&cv, &mx);
+	pthread_cleanup_pop(1);
+	return 0;
+}
+
+int main(void)
+{
+	pthread_t td;
+	struct timespec ts;
+	void *rv;
+	pthread_mutex_lock(&mx);
+	pthread_create(&td, 0, waiter, 0);
+	while (!waiting) pthread_cond_wait(&cv, &mx);
+	pthread_cancel(td);
+	clock_gettime(CLOCK_REALTIME, &ts);
+	if ((ts.tv_nsec+=30000000) >= 1000000000) {
+		ts.tv_sec++;
+		ts.tv_nsec -= 1000000000;
+	}
+	while (waiting && !pthread_cond_timedwait(&cv, &mx, &ts));
+	waiting = 0;
+	pthread_cond_signal(&cv);
+	pthread_mutex_unlock(&mx);
+	pthread_join(td, &rv);
+	if (rv != PTHREAD_CANCELED)
+		t_error("pthread_cond_wait did not act on cancellation\n");
+	return t_status;
+}