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-rw-r--r--testsuite/condvar01/test_main.c396
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+/*
+ * Copyright (c) 2014 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <rtems@embedded-brains.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/rtems-bsd-kernel-space.h>
+
+#include <rtems/bsd/sys/param.h>
+#include <rtems/bsd/sys/types.h>
+#include <sys/systm.h>
+#include <rtems/bsd/sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/condvar.h>
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <rtems/libcsupport.h>
+#include <rtems.h>
+
+#define TEST_NAME "LIBBSD CONDVAR 1"
+
+#define PRIO_MASTER 3
+
+#define EVENT_LOCK RTEMS_EVENT_0
+
+#define EVENT_UNLOCK RTEMS_EVENT_1
+
+#define EVENT_WAIT RTEMS_EVENT_2
+
+#define EVENT_WAIT_SIG RTEMS_EVENT_3
+
+#define EVENT_WAIT_UNLOCK RTEMS_EVENT_4
+
+#define EVENT_TIMEDWAIT RTEMS_EVENT_5
+
+#define EVENT_TIMEDWAIT_SIG RTEMS_EVENT_6
+
+#define WORKER_COUNT 2
+
+typedef struct {
+ struct mtx mtx;
+ struct cv cv;
+ int rv;
+ int timo;
+ rtems_id worker_task[WORKER_COUNT];
+ bool done[WORKER_COUNT];
+} test_context;
+
+static test_context test_instance;
+
+static const rtems_task_priority prio_worker[2] = { 2, 1 };
+
+static void
+set_self_prio(rtems_task_priority prio)
+{
+ rtems_status_code sc;
+
+ sc = rtems_task_set_priority(RTEMS_SELF, prio, &prio);
+ assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void
+worker_task(rtems_task_argument index)
+{
+ test_context *ctx = &test_instance;
+ struct mtx *mtx = &ctx->mtx;
+ struct cv *cv = &ctx->cv;
+
+ while (true) {
+ rtems_status_code sc;
+ rtems_event_set events;
+
+ sc = rtems_event_receive(
+ RTEMS_ALL_EVENTS,
+ RTEMS_EVENT_ANY | RTEMS_WAIT,
+ RTEMS_NO_TIMEOUT,
+ &events
+ );
+ assert(sc == RTEMS_SUCCESSFUL);
+
+ if ((events & EVENT_LOCK) != 0) {
+ mtx_lock(mtx);
+ ctx->done[index] = true;
+ }
+
+ if ((events & EVENT_UNLOCK) != 0) {
+ mtx_unlock(mtx);
+ ctx->done[index] = true;
+ }
+
+ if ((events & EVENT_WAIT) != 0) {
+ cv_wait(cv, mtx);
+ ctx->done[index] = true;
+ }
+
+ if ((events & EVENT_WAIT_SIG) != 0) {
+ int rv = cv_wait_sig(cv, mtx);
+ assert(rv == 0);
+ ctx->done[index] = true;
+ }
+
+ if ((events & EVENT_WAIT_UNLOCK) != 0) {
+ cv_wait_unlock(cv, mtx);
+ ctx->done[index] = true;
+ }
+
+ if ((events & EVENT_TIMEDWAIT) != 0) {
+ ctx->rv = cv_timedwait(cv, mtx, ctx->timo);
+ ctx->done[index] = true;
+ }
+
+ if ((events & EVENT_TIMEDWAIT_SIG) != 0) {
+ ctx->rv = cv_timedwait_sig(cv, mtx, ctx->timo);
+ ctx->done[index] = true;
+ }
+ }
+}
+
+static void
+send_events(test_context *ctx, rtems_event_set events, size_t index)
+{
+ rtems_status_code sc;
+
+ sc = rtems_event_send(ctx->worker_task[index], events);
+ assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void
+start_worker(test_context *ctx)
+{
+ size_t i;
+
+ for (i = 0; i < WORKER_COUNT; ++i) {
+ rtems_status_code sc;
+
+ sc = rtems_task_create(
+ rtems_build_name('W', 'O', 'R', 'K'),
+ prio_worker[i],
+ RTEMS_MINIMUM_STACK_SIZE,
+ RTEMS_DEFAULT_MODES,
+ RTEMS_FLOATING_POINT,
+ &ctx->worker_task[i]
+ );
+ assert(sc == RTEMS_SUCCESSFUL);
+
+ sc = rtems_task_start(
+ ctx->worker_task[i],
+ worker_task,
+ i
+ );
+ assert(sc == RTEMS_SUCCESSFUL);
+ }
+}
+
+static void
+delete_worker(test_context *ctx)
+{
+ size_t i;
+
+ for (i = 0; i < WORKER_COUNT; ++i) {
+ rtems_status_code sc;
+
+ sc = rtems_task_delete(ctx->worker_task[i]);
+ assert(sc == RTEMS_SUCCESSFUL);
+ }
+}
+
+static void
+test_cv_wait_signal(test_context *ctx, rtems_event_set event, const char *name)
+{
+ struct mtx *mtx = &ctx->mtx;
+ struct cv *cv = &ctx->cv;
+ size_t low = 0;
+ size_t high = 1;
+
+ printf("test cv %s signal\n", name);
+
+ mtx_lock(mtx);
+ mtx_unlock(mtx);
+
+ ctx->timo = 0;
+
+ ctx->done[low] = false;
+ send_events(ctx, EVENT_LOCK, low);
+ assert(ctx->done[low]);
+
+ ctx->done[high] = false;
+ send_events(ctx, EVENT_LOCK, high);
+ assert(!ctx->done[high]);
+
+ ctx->done[low] = false;
+ send_events(ctx, event, low);
+ assert(!ctx->done[low]);
+ assert(ctx->done[high]);
+
+ ctx->done[low] = false;
+ ctx->done[high] = false;
+ send_events(ctx, event, high);
+ assert(!ctx->done[low]);
+ assert(!ctx->done[high]);
+
+ cv_signal(cv);
+ assert(!ctx->done[low]);
+ assert(ctx->done[high]);
+
+ if (event != EVENT_WAIT_UNLOCK) {
+ cv_signal(cv);
+ assert(!ctx->done[low]);
+
+ ctx->done[high] = false;
+ send_events(ctx, EVENT_UNLOCK, high);
+ assert(ctx->done[high]);
+ assert(ctx->done[low]);
+
+ ctx->done[low] = false;
+ send_events(ctx, EVENT_UNLOCK, low);
+ assert(ctx->done[low]);
+ } else {
+ cv_signal(cv);
+ assert(ctx->done[low]);
+ }
+
+ mtx_lock(mtx);
+ mtx_unlock(mtx);
+}
+
+static void
+test_cv_wait_broadcast(test_context *ctx, rtems_event_set event, const char *name)
+{
+ struct mtx *mtx = &ctx->mtx;
+ struct cv *cv = &ctx->cv;
+ size_t low = 0;
+ size_t high = 1;
+
+ printf("test cv %s broadcast\n", name);
+
+ mtx_lock(mtx);
+ mtx_unlock(mtx);
+
+ ctx->timo = 0;
+
+ ctx->done[low] = false;
+ send_events(ctx, EVENT_LOCK, low);
+ assert(ctx->done[low]);
+
+ ctx->done[high] = false;
+ send_events(ctx, EVENT_LOCK, high);
+ assert(!ctx->done[high]);
+
+ ctx->done[low] = false;
+ send_events(ctx, event, low);
+ assert(!ctx->done[low]);
+ assert(ctx->done[high]);
+
+ ctx->done[low] = false;
+ ctx->done[high] = false;
+ send_events(ctx, event, high);
+ assert(!ctx->done[low]);
+ assert(!ctx->done[high]);
+
+ if (event != EVENT_WAIT_UNLOCK) {
+ cv_broadcast(cv);
+ assert(!ctx->done[low]);
+
+ ctx->done[high] = false;
+ send_events(ctx, EVENT_UNLOCK, high);
+ assert(ctx->done[high]);
+ assert(ctx->done[low]);
+
+ ctx->done[low] = false;
+ send_events(ctx, EVENT_UNLOCK, low);
+ assert(ctx->done[low]);
+ } else {
+ cv_broadcast(cv);
+ assert(ctx->done[low]);
+ assert(ctx->done[high]);
+ }
+
+ mtx_lock(mtx);
+ mtx_unlock(mtx);
+}
+
+static void
+test_cv_wait(test_context *ctx, rtems_event_set event, const char *name)
+{
+ test_cv_wait_signal(ctx, event, name);
+ test_cv_wait_broadcast(ctx, event, name);
+}
+
+static void
+test_cv_wait_timeout(test_context *ctx)
+{
+ size_t index = 0;
+ rtems_status_code sc;
+
+ puts("test cv wait timeout");
+
+ ctx->timo = 2;
+
+ ctx->done[index] = false;
+ send_events(ctx, EVENT_LOCK, index);
+ assert(ctx->done[index]);
+
+ ctx->done[index] = false;
+ ctx->rv = 0;
+ send_events(ctx, EVENT_TIMEDWAIT, index);
+ assert(!ctx->done[index]);
+
+ sc = rtems_task_wake_after(ctx->timo);
+ assert(sc == RTEMS_SUCCESSFUL);
+ assert(ctx->done[index]);
+ assert(ctx->rv == EWOULDBLOCK);
+
+ ctx->done[index] = false;
+ ctx->rv = 0;
+ send_events(ctx, EVENT_TIMEDWAIT_SIG, index);
+ assert(!ctx->done[index]);
+
+ sc = rtems_task_wake_after(ctx->timo);
+ assert(sc == RTEMS_SUCCESSFUL);
+ assert(ctx->done[index]);
+ assert(ctx->rv == EWOULDBLOCK);
+
+ ctx->done[index] = false;
+ send_events(ctx, EVENT_UNLOCK, index);
+ assert(ctx->done[index]);
+}
+
+static void
+alloc_basic_resources(void)
+{
+ curthread;
+}
+
+static void
+test_main(void)
+{
+ test_context *ctx = &test_instance;
+ rtems_resource_snapshot snapshot;
+
+ alloc_basic_resources();
+
+ rtems_resource_snapshot_take(&snapshot);
+
+ cv_init(&ctx->cv, "test");
+ assert(strcmp(cv_wmesg(&ctx->cv), "test") == 0);
+
+ set_self_prio(PRIO_MASTER);
+ start_worker(ctx);
+
+ test_cv_wait(ctx, EVENT_WAIT, "wait");
+ test_cv_wait(ctx, EVENT_WAIT_SIG, "wait sig");
+ test_cv_wait(ctx, EVENT_WAIT_UNLOCK, "wait unlock");
+ test_cv_wait(ctx, EVENT_TIMEDWAIT, "timed wait");
+ test_cv_wait(ctx, EVENT_TIMEDWAIT_SIG, "timed wait sig");
+
+ test_cv_wait_timeout(ctx);
+
+ delete_worker(ctx);
+ cv_destroy(&ctx->cv);
+
+ assert(rtems_resource_snapshot_check(&snapshot));
+
+ exit(0);
+}
+
+#include <rtems/bsd/test/default-init.h>
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