+++ /dev/null
-/*
- * Copyright (c) 2008,2009 Zmanda, Inc. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- *
- * 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, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Contact information: Zmanda Inc., 465 S. Mathilda Ave., Suite 300
- * Sunnyvale, CA 94085, USA, or: http://www.zmanda.com
- */
-
-#include "amanda.h"
-#include "semaphore.h"
-#include "testutils.h"
-#include "util.h"
-
-/*
- * test that decrement waits properly
- */
-
-struct test_decr_wait_data {
- semaphore_t *sem;
- gboolean increment_called;
-};
-
-static gpointer
-test_decr_wait_thread(gpointer datap)
-{
- struct test_decr_wait_data *data = datap;
-
- /* should block */
- semaphore_decrement(data->sem, 20);
-
- /* if increment hasn't been called yet, that's an error. */
- if (!data->increment_called)
- return GINT_TO_POINTER(0);
-
- return GINT_TO_POINTER(1);
-}
-
-static gboolean
-test_decr_wait(void)
-{
- GThread *th;
- struct test_decr_wait_data data = { NULL, FALSE };
- int rv;
-
- data.sem = semaphore_new_with_value(10),
-
- th = g_thread_create(test_decr_wait_thread, (gpointer)&data, TRUE, NULL);
-
- /* sleep to give semaphore_decrement() a chance to block (or not). */
- g_usleep(G_USEC_PER_SEC / 4);
-
- /* and then increment the semaphore enough that the decrement can succeed */
- data.increment_called = TRUE;
- semaphore_increment(data.sem, 10);
-
- /* join the thread and see how it fared. */
- rv = GPOINTER_TO_INT(g_thread_join(th));
-
- semaphore_free(data.sem);
-
- return (rv == 1);
-}
-
-
-/*
- * test that semaphore_wait_empty waits properly
- */
-
-static gpointer
-test_wait_empty_thread(gpointer datap)
-{
- semaphore_t *sem = datap;
-
- /* should block */
- semaphore_decrement(sem, 20);
-
- /* value should be 10 now (decremented from 30) */
- if (sem->value != 10)
- return GINT_TO_POINTER(1);
-
- /* sleep for a bit */
- g_usleep(G_USEC_PER_SEC / 4);
-
- /* decrement those last 10, which should trigger the zero */
- semaphore_decrement(sem, 10);
-
- return GINT_TO_POINTER(0);
-}
-
-static gboolean
-test_wait_empty(void)
-{
- GThread *th;
- semaphore_t *sem = semaphore_new_with_value(10);
- int rv;
-
- th = g_thread_create(test_wait_empty_thread, (gpointer)sem, TRUE, NULL);
-
- /* sleep to give semaphore_decrement() a chance to block (or not). */
- g_usleep(G_USEC_PER_SEC / 4);
-
- /* add another 10, so decrement can hit zero next time it's called */
- semaphore_increment(sem, 10);
-
- /* and wait on the semaphore emptying */
- semaphore_wait_empty(sem);
-
- /* join the thread and see how it fared. */
- rv = GPOINTER_TO_INT(g_thread_join(th));
-
- semaphore_free(sem);
-
- return (rv == 1);
-}
-
-/*
- * test that semaphore_force_adjust correctly wakes both
- * semaphore_decrement and semaphore_wait_empty.
- */
-
-static gpointer
-test_force_adjust_thread(gpointer datap)
-{
- semaphore_t *sem = datap;
-
- /* this should block */
- semaphore_decrement(sem, 20);
-
- /* and this should block, too - it's fun */
- semaphore_wait_empty(sem);
-
- return NULL;
-}
-
-static gboolean
-test_force_adjust(void)
-{
- GThread *th;
- semaphore_t *sem = semaphore_new_with_value(10);
-
- th = g_thread_create(test_force_adjust_thread, (gpointer)sem, TRUE, NULL);
-
- /* sleep to give semaphore_decrement() a chance to block (or not). */
- g_usleep(G_USEC_PER_SEC / 4);
-
- /* add another 20, so decrement can proceed, but leave the value at 10 */
- semaphore_force_adjust(sem, 20);
-
- /* sleep to give semaphore_wait_empty() a chance to block (or not). */
- g_usleep(G_USEC_PER_SEC / 4);
-
- /* and empty out the semaphore */
- semaphore_force_adjust(sem, -10);
-
- g_thread_join(th);
-
- semaphore_free(sem);
-
- /* it we didn't hang yet, it's all good */
- return TRUE;
-}
-
-/*
- * test that semaphore_force_set correctly wakes both
- * semaphore_decrement and semaphore_wait_empty.
- */
-
-static gpointer
-test_force_set_thread(gpointer datap)
-{
- semaphore_t *sem = datap;
-
- /* this should block */
- semaphore_decrement(sem, 20);
-
- /* and this should block, too - it's fun */
- semaphore_wait_empty(sem);
-
- return NULL;
-}
-
-static gboolean
-test_force_set(void)
-{
- GThread *th;
- semaphore_t *sem = semaphore_new_with_value(10);
-
- th = g_thread_create(test_force_set_thread, (gpointer)sem, TRUE, NULL);
-
- /* sleep to give semaphore_decrement() a chance to block (or not). */
- g_usleep(G_USEC_PER_SEC / 4);
-
- /* set it to 30, so decrement can proceed, but leave the value at 10 */
- semaphore_force_set(sem, 30);
-
- /* sleep to give semaphore_wait_empty() a chance to block (or not). */
- g_usleep(G_USEC_PER_SEC / 4);
-
- /* and empty out the semaphore */
- semaphore_force_set(sem, 0);
-
- g_thread_join(th);
-
- semaphore_free(sem);
-
- /* it we didn't hang yet, it's all good */
- return TRUE;
-}
-
-/*
- * Main loop
- */
-
-int
-main(int argc, char **argv)
-{
-#if defined(G_THREADS_ENABLED) && !defined(G_THREADS_IMPL_NONE)
- static TestUtilsTest tests[] = {
- TU_TEST(test_decr_wait, 90),
- TU_TEST(test_wait_empty, 90),
- TU_TEST(test_force_adjust, 90),
- TU_TEST(test_force_set, 90),
- TU_END()
- };
-
- glib_init();
-
- return testutils_run_tests(argc, argv, tests);
-#else
- g_fprintf(stderr, "No thread support on this platform -- nothing to test\n");
- return 0;
-#endif
-}
projects / debian / amanda / blobdiff