/*
* Copyright (c) 2013 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 <sys/param.h>
#include <sys/systm.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <rtems/libcsupport.h>
#define TEST_NAME "LIBBSD SLEEP 1"
#define SLAVE_COUNT 3
#define PRIO_HIGH 1
#define PRIO_LOW 5
/*
* This priority assignment ensures that we can test the priority thread queue
* order.
*/
static const rtems_task_priority slave_prios[SLAVE_COUNT] = { 4, 3, 2 };
static rtems_id slave_ids[SLAVE_COUNT];
static int slave_counters[SLAVE_COUNT];
static int channel;
static int counter;
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
slave_task(rtems_task_argument slave)
{
while (true) {
int timo = 0;
int priority = 0;
const char *wmesg = "slave_task";
int eno;
++counter;
slave_counters[slave] = counter;
printf("slave[%" PRIuPTR "]: %i\n", slave, counter);
eno = tsleep(&channel, priority, wmesg, timo);
assert(eno == 0);
}
}
static void
start_slaves(void)
{
size_t i;
set_self_prio(PRIO_HIGH);
for (i = 0; i < SLAVE_COUNT; ++i) {
rtems_status_code sc;
sc = rtems_task_create(
rtems_build_name('S', 'L', 'A', 'V'),
slave_prios[i],
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_FLOATING_POINT,
&slave_ids[i]
);
assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_start(slave_ids[i], slave_task, i);
assert(sc == RTEMS_SUCCESSFUL);
}
set_self_prio(PRIO_LOW);
}
static void
test_timeouts(void)
{
int eno;
struct mtx mtx;
int priority = 0;
const char *wmesg;
int timo = 2;
puts("test timeouts");
mtx_init(&mtx, "test timeouts: mtx", NULL, MTX_DEF);
mtx_lock(&mtx);
wmesg = "test timeouts: msleep";
eno = msleep(&channel, &mtx, priority, wmesg, timo);
assert(eno == EWOULDBLOCK);
mtx_unlock(&mtx);
mtx_destroy(&mtx);
mtx_init(&mtx, "test timeouts: mtx spin", NULL, MTX_SPIN);
mtx_lock_spin(&mtx);
wmesg = "test timeouts: msleep_spin";
eno = msleep_spin(&channel, &mtx, wmesg, timo);
assert(eno == EWOULDBLOCK);
mtx_unlock_spin(&mtx);
mtx_destroy(&mtx);
wmesg = "test timeouts: pause";
pause(wmesg, timo);
wmesg = "test timeouts: tsleep";
eno = tsleep(&channel, priority, wmesg, timo);
assert(eno == EWOULDBLOCK);
}
static void
test_wakeup_without_waiter(void)
{
int some_channel;
puts("test wakeup without waiter");
wakeup_one(&some_channel);
wakeup(&some_channel);
}
static void
test_wakeup_one(void)
{
puts("test wakeup one");
assert(slave_counters[0] == 3);
assert(slave_counters[1] == 2);
assert(slave_counters[2] == 1);
wakeup_one(&channel);
assert(slave_counters[0] == 3);
assert(slave_counters[1] == 2);
assert(slave_counters[2] == 4);
wakeup_one(&channel);
assert(slave_counters[0] == 3);
assert(slave_counters[1] == 2);
assert(slave_counters[2] == 5);
}
static void
test_wakeup(void)
{
puts("test wakeup");
assert(slave_counters[0] == 3);
assert(slave_counters[1] == 2);
assert(slave_counters[2] == 5);
wakeup(&channel);
assert(slave_counters[0] == 8);
assert(slave_counters[1] == 7);
assert(slave_counters[2] == 6);
}
static void
alloc_basic_resources(void)
{
curthread;
}
static void
test_main(void)
{
rtems_resource_snapshot snapshot;
alloc_basic_resources();
start_slaves();
rtems_resource_snapshot_take(&snapshot);
test_timeouts();
test_wakeup_without_waiter();
test_wakeup_one();
test_wakeup();
assert(rtems_resource_snapshot_check(&snapshot));
exit(0);
}
#include <rtems/bsd/test/default-init.h>
