From 9b6accbcac289e52a80e8584ad569b3b90a1195c Mon Sep 17 00:00:00 2001
From: cpickett <cpickett@64e312b2-a51f-0410-8e61-82d0ca0eb02a>
Date: Wed, 31 Dec 2008 02:51:26 +0000
Subject: [PATCH] * convert check_thread_stress to run actual fork and pthread
 tests   - implementation again due to Daniel Gollub

git-svn-id: svn+ssh://svn.code.sf.net/p/check/code/trunk@499 64e312b2-a51f-0410-8e61-82d0ca0eb02a
---
 tests/check_thread_stress.c | 84 +++++++++++++------------------------
 1 file changed, 28 insertions(+), 56 deletions(-)

diff --git a/tests/check_thread_stress.c b/tests/check_thread_stress.c
index 53f585f..4ad4aea 100644
--- a/tests/check_thread_stress.c
+++ b/tests/check_thread_stress.c
@@ -6,6 +6,10 @@
 #include <stdio.h>
 #include <check.h>
 
+#ifdef HAVE_UNISTD_H
+#include <unistd.h> /* fork() */
+#endif
+
 #ifdef HAVE_PTHREAD
 #include <pthread.h>
 #endif
@@ -14,10 +18,10 @@ Suite *s;
 TCase *tc;
 SRunner *sr;
 
-static void *sendinfo_thread(void *userdata CK_ATTRIBUTE_UNUSED)
+static void *sendinfo(void *userdata CK_ATTRIBUTE_UNUSED)
 {
 	unsigned int i;
-	for (i=0; i < 100; i++) {
+	for (i=0; i < 999; i++) {
   		fail_unless(1,"Shouldn't see this message");
 	}
 
@@ -25,82 +29,50 @@ static void *sendinfo_thread(void *userdata CK_ATTRIBUTE_UNUSED)
 }
 
 
-static void *sendinfo_fail_thread(void *userdata CK_ATTRIBUTE_UNUSED)
-{
-	unsigned int i;
-	for (i=0; i < 100; i++) {
-		fail("This test fails");
-	}
-
-	return NULL;
-}
-
-START_TEST(test_pass)
+START_TEST(test_stress_threads)
 {
 #ifdef HAVE_PTHREAD
 	pthread_t a, b;
-	pthread_create(&a, NULL, sendinfo_thread, (void *) 0xa);
-	pthread_create(&b, NULL, sendinfo_thread, (void *) 0xb);
+	pthread_create(&a, NULL, sendinfo, (void *) 0xa);
+	pthread_create(&b, NULL, sendinfo, (void *) 0xb);
 
 	pthread_join(a, NULL);
 	pthread_join(b, NULL);
 #else
-	sendinfo_thread((void *) 0xa);
-	sendinfo_thread((void *) 0xb);
+	sendinfo((void *) 0xa);
+	sendinfo((void *) 0xb);
 #endif
 }
 END_TEST
 
-START_TEST(test_fail)
+START_TEST(test_stress_forks)
 {
-#ifdef HAVE_PTHREAD
-	pthread_t a, b;
-	pthread_create(&a, NULL, sendinfo_fail_thread, (void *) 0xa);
-	pthread_create(&b, NULL, sendinfo_fail_thread, (void *) 0xb);
-
-	pthread_join(a, NULL);
-	pthread_join(b, NULL);
-#else
-	sendinfo_fail_thread((void *) 0xa);
-	sendinfo_fail_thread((void *) 0xb);
-#endif
+	pid_t cpid = fork();
+	if (cpid == 0) { /* Child */
+		sendinfo((void *) 0x1);
+	} else {
+		sendinfo((void *) 0x2);
+	}
 }
 END_TEST
 
-static void run (int num_iters)
+
+int main(void)
 {
-  int i;
-  s = suite_create ("Stress");
-  tc = tcase_create ("Stress");
+  int nf;
+  s = suite_create ("ForkThreadStress");
+  tc = tcase_create ("ForkThreadStress");
   sr = srunner_create (s);
   suite_add_tcase(s, tc);
 
-  for (i = 0; i < num_iters; i++) {
-    tcase_add_test (tc, test_pass);
-    tcase_add_test (tc, test_fail);
-  }
+  tcase_add_loop_test (tc, test_stress_threads, 0, 100);
+  tcase_add_loop_test (tc, test_stress_forks, 0, 100);
 
   srunner_run_all(sr, CK_SILENT);
-  if (srunner_ntests_failed (sr) != num_iters) {
-    printf ("Error: expected %d failures, got %d\n",
-	    num_iters, srunner_ntests_failed(sr));
-    return;
-  }
+
+  nf = srunner_ntests_failed (sr);
 
   srunner_free(sr);
-}
 
-  
-int main(void)
-{
-  int i;
-  time_t t1;
-  int iters[] = {1, 100, 1000, -1};
-
-  for (i = 0; iters[i] != -1; i++) {
-    t1 = time(NULL);
-    run(iters[i]);
-    printf ("%d, %d\n", iters[i], (int) difftime(time(NULL), t1));
-  }
-  return 0;
+  return nf ? EXIT_FAILURE : EXIT_SUCCESS;
 }
-- 
2.49.0