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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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 <ch.h>
#include "test.h"
#define ALLOWED_DELAY 5
static Mutex m1, m2;
static char *mtx1_gettest(void) {
return "Mutexes, priority enqueuing test";
}
static void mtx1_setup(void) {
chMtxInit(&m1);
}
static void mtx1_teardown(void) {
}
static msg_t thread1(void *p) {
chMtxLock(&m1);
test_emit_token(*(char *)p);
chMtxUnlock();
return 0;
}
static void mtx1_execute(void) {
tprio_t prio = chThdGetPriority(); // Bacause priority inheritance.
chMtxLock(&m1);
threads[0] = chThdCreate(prio+1, 0, wa[0], STKSIZE, thread1, "E");
threads[1] = chThdCreate(prio+2, 0, wa[1], STKSIZE, thread1, "D");
threads[2] = chThdCreate(prio+3, 0, wa[2], STKSIZE, thread1, "C");
threads[3] = chThdCreate(prio+4, 0, wa[3], STKSIZE, thread1, "B");
threads[4] = chThdCreate(prio+5, 0, wa[4], STKSIZE, thread1, "A");
chMtxUnlock();
test_assert(prio == chThdGetPriority(), "priority return failure");
test_wait_threads();
test_assert_sequence("ABCDE");
}
const struct testcase testmtx1 = {
mtx1_gettest,
mtx1_setup,
mtx1_teardown,
mtx1_execute
};
static char *mtx2_gettest(void) {
return "Mutexes, priority inheritance, simple case";
}
static void mtx2_setup(void) {
chMtxInit(&m1);
}
static void mtx2_teardown(void) {
}
static msg_t thread2(void *p) {
chThdSleep(5);
chMtxLock(&m1);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread3(void *p) {
chMtxLock(&m1);
chThdSleep(20);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread4(void *p) {
chThdSleep(10);
test_cpu_pulse(50);
test_emit_token(*(char *)p);
return 0;
}
/*
* Time
* 0 ++++++++++++++++++AL+....2++++++++++++++AU0------------------------------
* 1 .....................++--------------------------------------------------
* 2 .......................++AL.............+++++++++AU++++++++++++++++++++++
*/
static void mtx2_execute(void) {
threads[0] = chThdCreate(chThdGetPriority()-1, 0, wa[0], STKSIZE, thread2, "A");
threads[1] = chThdCreate(chThdGetPriority()-3, 0, wa[1], STKSIZE, thread3, "C");
threads[2] = chThdCreate(chThdGetPriority()-2, 0, wa[2], STKSIZE, thread4, "B");
test_wait_threads();
test_assert_sequence("ABC");
}
const struct testcase testmtx2 = {
mtx2_gettest,
mtx2_setup,
mtx2_teardown,
mtx2_execute
};
static char *mtx3_gettest(void) {
return "Mutexes, priority inheritance, complex case";
}
static void mtx3_setup(void) {
chMtxInit(&m1);
chMtxInit(&m2);
}
static void mtx3_teardown(void) {
}
static msg_t thread5(void *p) {
chMtxLock(&m1);
test_cpu_pulse(50);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread6(void *p) {
chThdSleep(10);
chMtxLock(&m2);
test_cpu_pulse(20);
chMtxLock(&m1);
test_cpu_pulse(50);
chMtxUnlock();
test_cpu_pulse(20);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread7(void *p) {
chThdSleep(20);
chMtxLock(&m2);
test_cpu_pulse(50);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread8(void *p) {
chThdSleep(40);
test_cpu_pulse(200);
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread9(void *p) {
chThdSleep(50);
chMtxLock(&m2);
test_cpu_pulse(50);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
/*
* Time 0 10 20 30 40 50
* 0 +++BL++------------------2++++------4+++++BU0--------------------------
* 1 .......++AL++--2+++++++++BL.........4.....++++++++BU4++++AU1-----------
* 2 .............++AL............................................------++AU
* 3 ..............................++++-------------------------------++....
* 4 ..................................++AL...................++++AU++......
*/
static void mtx3_execute(void) {
threads[0] = chThdCreate(chThdGetPriority()-5, 0, wa[0], STKSIZE, thread5, "E");
threads[1] = chThdCreate(chThdGetPriority()-4, 0, wa[1], STKSIZE, thread6, "D");
threads[2] = chThdCreate(chThdGetPriority()-3, 0, wa[2], STKSIZE, thread7, "C");
threads[3] = chThdCreate(chThdGetPriority()-2, 0, wa[3], STKSIZE, thread8, "B");
threads[4] = chThdCreate(chThdGetPriority()-1, 0, wa[4], STKSIZE, thread9, "A");
test_wait_threads();
test_assert_sequence("ABCDE");
}
const struct testcase testmtx3 = {
mtx3_gettest,
mtx3_setup,
mtx3_teardown,
mtx3_execute
};
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