--- a/ChangeLog	Wed Oct 01 03:12:31 2008 +0200
+++ b/ChangeLog	Wed Oct 01 03:39:40 2008 +0200
@@ -1,3 +1,8 @@
+2008-09-30  Yoann Vandoorselaere  <yoann.v@prelude-ids.com>
+
+	* modules/cond-tests: New file.
+	* tests/test-cond.c: New file.
+
 2008-09-30  Yoann Vandoorselaere  <yoann.v@prelude-ids.com>
             Bruno Haible  <bruno@clisp.org>
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/cond-tests	Wed Oct 01 03:39:40 2008 +0200
@@ -0,0 +1,14 @@
+Files:
+tests/test-cond.c
+
+Depends-on:
+lock
+thread
+yield
+gettimeofday
+sleep
+
+Makefile.am:
+TESTS += test-cond
+check_PROGRAMS += test-cond
+test_cond_LDADD = $(LDADD) @LIBMULTITHREAD@ @YIELD_LIB@

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-cond.c	Wed Oct 01 03:39:40 2008 +0200
@@ -0,0 +1,207 @@
+/* Test of condition variables in multithreaded situations.
+   Copyright (C) 2008 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#if USE_POSIX_THREADS || USE_SOLARIS_THREADS || USE_PTH_THREADS || USE_WIN32_THREADS
+
+/* Which tests to perform.
+   Uncomment some of these, to verify that all tests crash if no locking
+   is enabled.  */
+#define DO_TEST_COND 1
+#define DO_TEST_TIMEDCOND 1
+
+
+/* Whether to help the scheduler through explicit yield().
+   Uncomment this to see if the operating system has a fair scheduler.  */
+#define EXPLICIT_YIELD 1
+
+/* Whether to print debugging messages.  */
+#define ENABLE_DEBUGGING 0
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+
+#include "glthread/cond.h"
+#include "glthread/lock.h"
+#include "glthread/thread.h"
+#include "glthread/yield.h"
+
+#if ENABLE_DEBUGGING
+# define dbgprintf printf
+#else
+# define dbgprintf if (0) printf
+#endif
+
+#if EXPLICIT_YIELD
+# define yield() gl_thread_yield ()
+#else
+# define yield()
+#endif
+
+
+/*
+ * Condition check
+ */
+#include <unistd.h>
+static int cond_value = 0;
+gl_cond_define_initialized(static, condtest)
+gl_lock_define_initialized(static, lockcond)
+
+static void *
+cond_routine (void *arg)
+{
+  gl_lock_lock (lockcond);
+  while (!cond_value)
+    {
+      gl_cond_wait (condtest, lockcond);
+    }
+  gl_lock_unlock (lockcond);
+
+  cond_value = 2;
+
+  return NULL;
+}
+
+void
+test_cond ()
+{
+  int remain = 2;
+  gl_thread_t thread;
+
+  cond_value = 0;
+
+  thread = gl_thread_create (cond_routine, NULL);
+  do
+    {
+      yield ();
+      remain = sleep (remain);
+    }
+  while (remain);
+
+  /* signal condition */
+  gl_lock_lock (lockcond);
+  cond_value = 1;
+  gl_cond_signal (condtest);
+  gl_lock_unlock (lockcond);
+
+  gl_thread_join (thread, NULL);
+
+  if (cond_value != 2)
+    abort ();
+}
+
+
+/*
+ * Timed Condition check
+ */
+static int cond_timeout;
+
+static void
+get_ts (struct timespec *ts)
+{
+  struct timeval now;
+
+  gettimeofday (&now, NULL);
+
+  ts->tv_sec = now.tv_sec + 1;
+  ts->tv_nsec = now.tv_usec * 1000;
+}
+
+static void *
+timedcond_routine (void *arg)
+{
+  int ret;
+  struct timespec ts;
+
+  gl_lock_lock (lockcond);
+  while (!cond_value)
+    {
+      get_ts (&ts);
+      ret = glthread_cond_timedwait (&condtest, &lockcond, &ts);
+      if (ret == ETIMEDOUT)
+        cond_timeout = 1;
+    }
+  gl_lock_unlock (lockcond);
+
+  return NULL;
+}
+
+static void
+test_timedcond (void)
+{
+  int remain = 2;
+  gl_thread_t thread;
+
+  cond_value = cond_timeout = 0;
+
+  thread = gl_thread_create (timedcond_routine, NULL);
+
+  remain = 2;
+  do
+    {
+      yield ();
+      remain = sleep (remain);
+    }
+  while (remain);
+
+  /* signal condition */
+  gl_lock_lock (lockcond);
+  cond_value = 1;
+  gl_cond_signal (condtest);
+  gl_lock_unlock (lockcond);
+
+  gl_thread_join (thread, NULL);
+
+  if (!cond_timeout)
+    abort ();
+}
+
+int
+main ()
+{
+#if TEST_PTH_THREADS
+  if (!pth_init ())
+    abort ();
+#endif
+
+#if DO_TEST_COND
+  printf ("Starting test_cond ..."); fflush (stdout);
+  test_cond ();
+  printf (" OK\n"); fflush (stdout);
+#endif
+#if DO_TEST_TIMEDCOND
+  printf ("Starting test_timedcond ..."); fflush (stdout);
+  test_timedcond ();
+  printf (" OK\n"); fflush (stdout);
+#endif
+
+  return 0;
+}
+
+#else
+
+/* No multithreading available.  */
+
+int
+main ()
+{
+  return 77;
+}
+
+#endif