From: Jeremy Fitzhardinge <jeremy@valgrind.org>
Date: Thu, 18 Dec 2003 09:08:51 +0000 (+0000)
Subject: Sigh.  Add the test files.
X-Git-Tag: svn/VALGRIND_2_1_1~172
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=72bfb346c003c2a41ce8ea91f503d4eee2e1525c;p=thirdparty%2Fvalgrind.git

Sigh.  Add the test files.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2130
---

diff --git a/none/tests/yield.c b/none/tests/yield.c
new file mode 100644
index 0000000000..45694d8d94
--- /dev/null
+++ b/none/tests/yield.c
@@ -0,0 +1,70 @@
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static pthread_mutex_t m_go;
+static pthread_cond_t c_go;
+
+static volatile int alive;
+
+static int sch_yield;
+static int rep_nop;
+
+static void *th1(void *v)
+{
+	pthread_mutex_lock(&m_go);
+	while(!alive)
+		pthread_cond_wait(&c_go, &m_go);
+	pthread_mutex_unlock(&m_go);
+
+	while(alive) {
+		sch_yield++;
+		sched_yield();
+	}
+
+	return 0;
+}
+
+static void *th2(void *v)
+{
+	pthread_mutex_lock(&m_go);
+	while(!alive)
+		pthread_cond_wait(&c_go, &m_go);
+	pthread_mutex_unlock(&m_go);
+
+	while(alive) {
+		rep_nop++;
+		asm volatile ("rep; nop" : : : "memory");
+	}
+
+	return 0;
+}
+
+int main()
+{
+	pthread_t a, b;
+
+	pthread_create(&a, NULL, th1, NULL);
+	pthread_create(&b, NULL, th2, NULL);
+
+	/* make sure both threads start at the same time */
+	pthread_mutex_lock(&m_go);
+	alive = 1;
+	pthread_cond_signal(&c_go);
+	pthread_mutex_unlock(&m_go);
+
+	sleep(1);
+
+	alive = 0;
+	pthread_join(a, NULL);
+	pthread_join(b, NULL);
+
+	if (abs(sch_yield - rep_nop) < 2)
+		printf("PASS\n");
+	else
+		printf("FAIL sch_yield=%d rep_nop=%d\n", 
+		       sch_yield, rep_nop);
+
+	return 0;
+}
diff --git a/none/tests/yield.stderr.exp b/none/tests/yield.stderr.exp
new file mode 100644
index 0000000000..139597f9cb
--- /dev/null
+++ b/none/tests/yield.stderr.exp
@@ -0,0 +1,2 @@
+
+
diff --git a/none/tests/yield.stdout.exp b/none/tests/yield.stdout.exp
new file mode 100644
index 0000000000..7ef22e9a43
--- /dev/null
+++ b/none/tests/yield.stdout.exp
@@ -0,0 +1 @@
+PASS
diff --git a/none/tests/yield.vgtest b/none/tests/yield.vgtest
new file mode 100644
index 0000000000..49e68a74a2
--- /dev/null
+++ b/none/tests/yield.vgtest
@@ -0,0 +1 @@
+prog: yield