From ec8290acdaea21b16d98f1ef5d4ae8a28ab2109a Mon Sep 17 00:00:00 2001
From: rpj <rpj>
Date: Wed, 3 Nov 2004 01:08:41 +0000
Subject: Mutex, semaphore, thread ID, test suite changes - see ChangeLogs

---
 tests/semaphore4.c | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 tests/semaphore4.c

(limited to 'tests/semaphore4.c')

diff --git a/tests/semaphore4.c b/tests/semaphore4.c
new file mode 100644
index 0000000..3ea0568
--- /dev/null
+++ b/tests/semaphore4.c
@@ -0,0 +1,138 @@
+/*
+ * File: semaphore4.c
+ *
+ *
+ * --------------------------------------------------------------------------
+ *
+ *      Pthreads-win32 - POSIX Threads Library for Win32
+ *      Copyright(C) 1998 John E. Bossom
+ *      Copyright(C) 1999,2003 Pthreads-win32 contributors
+ * 
+ *      Contact Email: rpj@callisto.canberra.edu.au
+ * 
+ *      The current list of contributors is contained
+ *      in the file CONTRIBUTORS included with the source
+ *      code distribution. The list can also be seen at the
+ *      following World Wide Web location:
+ *      http://sources.redhat.com/pthreads-win32/contributors.html
+ * 
+ *      This library is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU Lesser General Public
+ *      License as published by the Free Software Foundation; either
+ *      version 2 of the License, or (at your option) any later version.
+ * 
+ *      This library is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *      Lesser General Public License for more details.
+ * 
+ *      You should have received a copy of the GNU Lesser General Public
+ *      License along with this library in the file COPYING.LIB;
+ *      if not, write to the Free Software Foundation, Inc.,
+ *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Test Synopsis: Verify sem_getvalue returns the correct number of waiters
+ * after threads are cancelled.
+ * - 
+ *
+ * Test Method (Validation or Falsification):
+ * - Validation
+ *
+ * Requirements Tested:
+ * - 
+ *
+ * Features Tested:
+ * - 
+ *
+ * Cases Tested:
+ * -
+ *
+ * Description:
+ * -
+ *
+ * Environment:
+ * -
+ *
+ * Input:
+ * - None.
+ *
+ * Output:
+ * - File name, Line number, and failed expression on failure.
+ * - No output on success.
+ *
+ * Assumptions:
+ * -
+ *
+ * Pass Criteria:
+ * - Process returns zero exit status.
+ *
+ * Fail Criteria:
+ * - Process returns non-zero exit status.
+ */
+
+#include "test.h"
+
+#define MAX_COUNT 100
+
+sem_t s;
+
+void *
+thr (void * arg)
+{
+  assert(sem_wait(&s) == 0);
+  return NULL;
+}
+
+int
+main()
+{
+	int value = 0;
+	int i;
+	pthread_t t[MAX_COUNT+1];
+
+	assert(sem_init(&s, PTHREAD_PROCESS_PRIVATE, 0) == 0);
+	assert(sem_getvalue(&s, &value) == 0);
+//	printf("Value = %d\n", value);	fflush(stdout);
+	assert(value == 0);
+
+	for (i = 1; i <= MAX_COUNT; i++)
+		{
+			assert(pthread_create(&t[i], NULL, thr, NULL) == 0);
+			do {
+			  sched_yield();
+			  assert(sem_getvalue(&s, &value) == 0);
+			} while (value != -i);
+//			printf("Value = %d\n", value); fflush(stdout);
+			assert(-value == i);
+		}
+
+	assert(sem_getvalue(&s, &value) == 0);
+	assert(-value == MAX_COUNT);
+//printf("value = %d\n", -value); fflush(stdout);
+	assert(pthread_cancel(t[50]) == 0);
+	  {
+	    int result;
+	    assert(pthread_join(t[50], (void **) &result) == 0);
+//	    printf("result = %d\n", result); fflush(stdout);
+	  }
+	assert(sem_getvalue(&s, &value) == 0);
+//printf("value = %d\n", -value); fflush(stdout);
+	assert(-value == (MAX_COUNT - 1));
+
+	for (i = MAX_COUNT - 2; i >= 0; i--)
+		{
+			assert(sem_post(&s) == 0);
+			assert(sem_getvalue(&s, &value) == 0);
+//			printf("Value = %d\n", value);	fflush(stdout);
+			assert(-value == i);
+		}
+
+	for (i = 1; i <= MAX_COUNT; i++)
+	  if (i != 50)
+	    assert(pthread_join(t[i], NULL) == 0);
+
+  return 0;
+}
+
-- 
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