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m---------gnulib0
-rw-r--r--gnulib/tests/test-cond.c208
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diff --git a/gnulib b/gnulib
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-Subproject 4fc10daa05477586fea99b6b3ca02a87d1102fa
diff --git a/gnulib/tests/test-cond.c b/gnulib/tests/test-cond.c
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+++ b/gnulib/tests/test-cond.c
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+/* Test of condition variables in multithreaded situations.
+ Copyright (C) 2008, 2009, 2010 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 ()
+{
+ fputs ("Skipping test: multithreading not enabled\n", stderr);
+ return 77;
+}
+
+#endif