From 346e0db637f3b0be52e1b7782cffa5ee0f2b09e8 Mon Sep 17 00:00:00 2001
From: rpj <rpj>
Date: Mon, 22 Feb 1999 16:51:52 +0000
Subject: 1999-02-23  Ross Johnson  <rpj@ise.canberra.edu.au>         *
 Template.c: Revamp.         * condvar1.c: Add.         * condvar2.c: Add. 
 * Makefile: Add condvar1 condvar2 tests.         * exit1.c, exit2.c, exit3.c:
 Cosmetic changes.

---
 tests/condvar1.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 tests/condvar1.c

(limited to 'tests/condvar1.c')

diff --git a/tests/condvar1.c b/tests/condvar1.c
new file mode 100644
index 0000000..4c52651
--- /dev/null
+++ b/tests/condvar1.c
@@ -0,0 +1,121 @@
+/*
+ * File: condvar1.c
+ *
+ * Test Synopsis:
+ * - Test basic function of condition variable code.
+ *
+ * Test Method (Validation or Falsification):
+ * - Validation
+ *
+ * Requirements Tested:
+ * - 
+ *
+ * Features Tested:
+ * - 
+ *
+ * Cases Tested:
+ * - 
+ *
+ * Description:
+ * - 
+ *
+ * Environment:
+ * - 
+ *
+ * Input:
+ * - 
+ *
+ * Output:
+ * - 
+ *
+ * Assumptions:
+ * - 
+ *
+ * Pass Criteria:
+ * - 
+ *
+ * Fail Criteria:
+ * - 
+ */
+
+#include "test.h"
+
+typedef struct cvthing_t_ cvthing_t;
+
+struct cvthing_t_ {
+  pthread_cond_t notbusy;
+  pthread_mutex_t lock;
+  int busy;
+  int count;
+};
+
+static cvthing_t cvthing;
+
+static enum {
+  NUMTHREADS = 10
+};
+
+static pthread_key_t key;
+
+void *
+mythread(void * arg)
+{
+  assert(pthread_mutex_lock(&cvthing.lock) == 0);
+
+  cvthing.count++;
+
+  while (cvthing.busy)
+    {
+      assert(pthread_cond_wait(&cvthing.notbusy, &cvthing.lock) == 0);
+    }
+
+  assert(cvthing.busy == 0);
+
+  cvthing.count--;
+
+  assert(pthread_mutex_unlock(&cvthing.lock) == 0);
+
+  return 0;
+}
+
+int
+main()
+{
+  pthread_t t[NUMTHREADS];
+  int result[NUMTHREADS];
+  
+  assert((t[0] = pthread_self()) != NULL);
+
+  assert(pthread_cond_init(&cvthing, NULL) == 0);
+
+  for (i = 1; i < NUMTHREADS; i++)
+    {
+      assert(pthread_create(&t[i], NULL, mythread, (void *) i) == 0);
+    }
+
+  while (cvthing.count < NUMTHREADS)
+    {}
+
+  assert(pthread_mutex_lock(&cvthing.lock) == 0);
+  cvthing.busy = 0;
+  assert(pthread_cond_signal(&cvthing.notbusy) == 0);
+  assert(pthread_mutex_unlock(&cvthing.lock) == 0);
+
+  for (i = 1; i < NUMTHREADS; i++)
+    {
+      assert(pthread_join(t[i], (void *) &result[i]) == 0);
+    }
+
+  assert(cvthing.count == 0);
+
+  assert(pthread_cond_destroy(&cvthing) == 0);
+
+  return 0;
+}
+
+
+
+
+
+
+
-- 
cgit v1.2.3