Added.snap-1999-05-30

1 files changed, 140 insertions, 0 deletions

diff --git a/tests/condvar5.c b/tests/condvar5.c
new file mode 100644
index 0000000..e3b5e94
--- /dev/null
+++ b/tests/condvar5.c
@@ -0,0 +1,140 @@
+/*
+ * File: condvar5.c
+ *
+ * Test Synopsis:
+ * - Test pthread_cond_broadcast.
+ *
+ * Test Method (Validation or Falsification):
+ * - Validation
+ *
+ * Requirements Tested:
+ * - 
+ *
+ * Features Tested:
+ * - 
+ *
+ * Cases Tested:
+ * - 
+ *
+ * Description:
+ * - Test broadcast with one waiting CV.
+ *
+ * Environment:
+ * - 
+ *
+ * Input:
+ * - None.
+ *
+ * Output:
+ * - File name, Line number, and failed expression on failure.
+ * - No output on success.
+ *
+ * Assumptions:
+ * - 
+ *
+ * Pass Criteria:
+ * - pthread_cond_timedwait returns 0.
+ * - Process returns zero exit status.
+ *
+ * Fail Criteria:
+ * - pthread_cond_timedwait returns ETIMEDOUT.
+ * - Process returns non-zero exit status.
+ */
+
+#include "test.h"
+#include <sys/timeb.h>
+
+typedef struct cvthing_t_ cvthing_t;
+
+struct cvthing_t_ {
+  pthread_cond_t notbusy;
+  pthread_mutex_t lock;
+  int shared;
+};
+
+static cvthing_t cvthing = {
+  PTHREAD_COND_INITIALIZER,
+  PTHREAD_MUTEX_INITIALIZER,
+  0
+};
+
+enum {
+  NUMTHREADS = 2
+};
+
+void *
+mythread(void * arg)
+{
+  assert(pthread_mutex_lock(&cvthing.lock) == 0);
+
+  cvthing.shared++;
+
+  assert(pthread_mutex_unlock(&cvthing.lock) == 0);
+
+  assert(pthread_cond_broadcast(&cvthing.notbusy) == 0);
+
+  return 0;
+}
+
+int
+main()
+{
+  pthread_t t[NUMTHREADS];
+  struct timespec abstime = { 0, 0 };
+#if defined(__MINGW32__)
+  struct timeb currSysTime;
+#else
+  struct _timeb currSysTime;
+#endif
+  const DWORD NANOSEC_PER_MILLISEC = 1000000;
+
+  cvthing.shared = 0;
+
+  assert((t[0] = pthread_self()) != NULL);
+
+  assert(cvthing.notbusy == PTHREAD_COND_INITIALIZER);
+
+  assert(cvthing.lock == PTHREAD_MUTEX_INITIALIZER);
+
+  assert(pthread_mutex_lock(&cvthing.lock) == 0);
+
+  assert(cvthing.lock != PTHREAD_MUTEX_INITIALIZER);
+
+  /* get current system time */
+  _ftime(&currSysTime);
+
+  abstime.tv_sec = currSysTime.time;
+  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
+
+  abstime.tv_sec += 5;
+
+  assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == ETIMEDOUT);
+  
+  assert(cvthing.notbusy != PTHREAD_COND_INITIALIZER);
+
+  assert(pthread_create(&t[1], NULL, mythread, (void *) 1) == 0);
+
+  _ftime(&currSysTime);
+
+  abstime.tv_sec = currSysTime.time;
+  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
+
+  abstime.tv_sec += 5;
+
+  while (! cvthing.shared > 0)
+    assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == 0);
+
+  assert(cvthing.shared > 0);
+
+  assert(pthread_mutex_unlock(&cvthing.lock) == 0);
+
+  assert(pthread_mutex_destroy(&cvthing.lock) == 0);
+
+  assert(cvthing.lock == NULL);
+
+  assert(pthread_cond_destroy(&cvthing.notbusy) == 0);
+
+  assert(cvthing.notbusy == NULL);
+
+  return 0;
+}