ChibiOS/test/testmtx.c

391 lines
9.5 KiB
C

/*
ChibiOS/RT - Copyright (C) 2009 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/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
#include <ch.h>
#include "test.h"
#if CH_USE_MUTEXES
#define ALLOWED_DELAY 5
static Mutex m1, m2;
static CondVar c1;
static char *mtx1_gettest(void) {
return "Mutexes, priority enqueuing test";
}
static void mtx1_setup(void) {
chMtxInit(&m1);
}
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(); // Because priority inheritance.
chMtxLock(&m1);
threads[0] = chThdCreateStatic(wa[0], WA_SIZE, prio+1, thread1, "E");
threads[1] = chThdCreateStatic(wa[1], WA_SIZE, prio+2, thread1, "D");
threads[2] = chThdCreateStatic(wa[2], WA_SIZE, prio+3, thread1, "C");
threads[3] = chThdCreateStatic(wa[3], WA_SIZE, prio+4, thread1, "B");
threads[4] = chThdCreateStatic(wa[4], WA_SIZE, prio+5, thread1, "A");
chMtxUnlock();
test_wait_threads();
test_assert(prio == chThdGetPriority(), "#1"); /* Priority return failure.*/
test_assert_sequence("ABCDE");
}
const struct testcase testmtx1 = {
mtx1_gettest,
mtx1_setup,
NULL,
mtx1_execute
};
#if CH_DBG_THREADS_PROFILING
static char *mtx2_gettest(void) {
return "Mutexes, priority inheritance, simple case";
}
static void mtx2_setup(void) {
chMtxInit(&m1);
}
/* Low priority thread */
static msg_t thread2L(void *p) {
chMtxLock(&m1);
test_cpu_pulse(40);
chMtxUnlock();
test_cpu_pulse(10);
test_emit_token('C');
return 0;
}
/* Medium priority thread */
static msg_t thread2M(void *p) {
chThdSleepMilliseconds(20);
test_cpu_pulse(40);
test_emit_token('B');
return 0;
}
/* High priority thread */
static msg_t thread2H(void *p) {
chThdSleepMilliseconds(40);
chMtxLock(&m1);
test_cpu_pulse(10);
chMtxUnlock();
test_emit_token('A');
return 0;
}
/*
* Time ----> 0 10 20 30 40 50 60 70 80 90 100
* 0 ......AL++++++++++............2+++++++++++AU0---------------++++++G...
* 1 ..................++++++++++++------------------++++++++++++G.........
* 2 .............................AL..........++++++AUG...................
*/
static void mtx2_execute(void) {
systime_t time;
test_wait_tick();
time = chTimeNow();
threads[0] = chThdCreateStatic(wa[0], WA_SIZE, chThdGetPriority()-1, thread2H, 0);
threads[1] = chThdCreateStatic(wa[1], WA_SIZE, chThdGetPriority()-2, thread2M, 0);
threads[2] = chThdCreateStatic(wa[2], WA_SIZE, chThdGetPriority()-3, thread2L, 0);
test_wait_threads();
test_assert_sequence("ABC");
test_assert_time_window(time + MS2ST(100), time + MS2ST(100) + ALLOWED_DELAY);
}
const struct testcase testmtx2 = {
mtx2_gettest,
mtx2_setup,
NULL,
mtx2_execute
};
static char *mtx3_gettest(void) {
return "Mutexes, priority inheritance, complex case";
}
static void mtx3_setup(void) {
chMtxInit(&m1); // Mutex B
chMtxInit(&m2); // Mutex A
}
/* Lowest priority thread */
static msg_t thread3LL(void *p) {
chMtxLock(&m1);
test_cpu_pulse(30);
chMtxUnlock();
test_emit_token('E');
return 0;
}
/* Low priority thread */
static msg_t thread3L(void *p) {
chThdSleepMilliseconds(10);
chMtxLock(&m2);
test_cpu_pulse(20);
chMtxLock(&m1);
test_cpu_pulse(10);
chMtxUnlock();
test_cpu_pulse(10);
chMtxUnlock();
test_emit_token('D');
return 0;
}
/* Medium priority thread */
static msg_t thread3M(void *p) {
chThdSleepMilliseconds(20);
chMtxLock(&m2);
test_cpu_pulse(10);
chMtxUnlock();
test_emit_token('C');
return 0;
}
/* High priority thread */
static msg_t thread3H(void *p) {
chThdSleepMilliseconds(40);
test_cpu_pulse(20);
test_emit_token('B');
return 0;
}
/* Highest priority thread */
static msg_t thread3HH(void *p) {
chThdSleepMilliseconds(50);
chMtxLock(&m2);
test_cpu_pulse(10);
chMtxUnlock();
test_emit_token('A');
return 0;
}
/*
* Time ----> 0 10 20 30 40 50 60 70 80 90 100 110
* 0 ......BL++++------------2+++++------4+++++BU0---------------------------G.....
* 1 ............AL++++2+++++BL----------4-----++++++BU4+++AU1---------------G.....
* 2 ..................AL----------------------------------------------++++++AUG...
* 3 ..............................+++++++-----------------------++++++G...........
* 4 ....................................AL................++++++AUG...............
*/
static void mtx3_execute(void) {
systime_t time;
test_wait_tick();
time = chTimeNow();
threads[0] = chThdCreateStatic(wa[0], WA_SIZE, chThdGetPriority()-5, thread3LL, 0);
threads[1] = chThdCreateStatic(wa[1], WA_SIZE, chThdGetPriority()-4, thread3L, 0);
threads[2] = chThdCreateStatic(wa[2], WA_SIZE, chThdGetPriority()-3, thread3M, 0);
threads[3] = chThdCreateStatic(wa[3], WA_SIZE, chThdGetPriority()-2, thread3H, 0);
threads[4] = chThdCreateStatic(wa[4], WA_SIZE, chThdGetPriority()-1, thread3HH, 0);
test_wait_threads();
test_assert_sequence("ABCDE");
test_assert_time_window(time + MS2ST(110), time + MS2ST(110) + ALLOWED_DELAY);
}
const struct testcase testmtx3 = {
mtx3_gettest,
mtx3_setup,
NULL,
mtx3_execute
};
#endif /* CH_DBG_THREADS_PROFILING */
#if CH_USE_CONDVARS
static char *mtx4_gettest(void) {
return "CondVar, signal test";
}
static void mtx4_setup(void) {
chCondInit(&c1);
chMtxInit(&m1);
}
static msg_t thread10(void *p) {
chMtxLock(&m1);
chCondWait(&c1);
test_emit_token(*(char *)p);
chMtxUnlock();
return 0;
}
static void mtx4_execute(void) {
tprio_t prio = chThdGetPriority();
threads[0] = chThdCreateStatic(wa[0], WA_SIZE, prio+1, thread10, "E");
threads[1] = chThdCreateStatic(wa[1], WA_SIZE, prio+2, thread10, "D");
threads[2] = chThdCreateStatic(wa[2], WA_SIZE, prio+3, thread10, "C");
threads[3] = chThdCreateStatic(wa[3], WA_SIZE, prio+4, thread10, "B");
threads[4] = chThdCreateStatic(wa[4], WA_SIZE, prio+5, thread10, "A");
chCondSignal(&c1);
chCondSignal(&c1);
chCondSignal(&c1);
chCondSignal(&c1);
chCondSignal(&c1);
test_wait_threads();
test_assert_sequence("ABCDE");
}
const struct testcase testmtx4 = {
mtx4_gettest,
mtx4_setup,
NULL,
mtx4_execute
};
static char *mtx5_gettest(void) {
return "CondVar, broadcast test";
}
static void mtx5_setup(void) {
chCondInit(&c1);
chMtxInit(&m1);
}
static void mtx5_execute(void) {
// Bacause priority inheritance.
tprio_t prio = chThdGetPriority();
threads[0] = chThdCreateStatic(wa[0], WA_SIZE, prio+1, thread10, "E");
threads[1] = chThdCreateStatic(wa[1], WA_SIZE, prio+2, thread10, "D");
threads[2] = chThdCreateStatic(wa[2], WA_SIZE, prio+3, thread10, "C");
threads[3] = chThdCreateStatic(wa[3], WA_SIZE, prio+4, thread10, "B");
threads[4] = chThdCreateStatic(wa[4], WA_SIZE, prio+5, thread10, "A");
chCondBroadcast(&c1);
test_wait_threads();
test_assert_sequence("ABCDE");
}
const struct testcase testmtx5 = {
mtx5_gettest,
mtx5_setup,
NULL,
mtx5_execute
};
static char *mtx6_gettest(void) {
return "CondVar, inheritance boost test";
}
static void mtx6_setup(void) {
chCondInit(&c1);
chMtxInit(&m1);
chMtxInit(&m2);
}
static msg_t thread11(void *p) {
chMtxLock(&m2);
chMtxLock(&m1);
chCondWait(&c1);
test_emit_token(*(char *)p);
chMtxUnlock();
chMtxUnlock();
return 0;
}
static msg_t thread12(void *p) {
chMtxLock(&m2);
test_emit_token(*(char *)p);
chMtxUnlock();
return 0;
}
static void mtx6_execute(void) {
tprio_t prio = chThdGetPriority();
threads[0] = chThdCreateStatic(wa[0], WA_SIZE, prio+1, thread11, "A");
threads[1] = chThdCreateStatic(wa[1], WA_SIZE, prio+2, thread10, "C");
threads[2] = chThdCreateStatic(wa[2], WA_SIZE, prio+3, thread12, "B");
chCondSignal(&c1);
chCondSignal(&c1);
test_wait_threads();
test_assert_sequence("ABC");
}
const struct testcase testmtx6 = {
mtx6_gettest,
mtx6_setup,
NULL,
mtx6_execute
};
#endif /* CH_USE_CONDVARS */
#endif /* CH_USE_MUTEXES */
/*
* Test sequence for mutexes pattern.
*/
const struct testcase * const patternmtx[] = {
#if CH_USE_MUTEXES
&testmtx1,
#if CH_DBG_THREADS_PROFILING
&testmtx2,
&testmtx3,
#endif
#if CH_USE_CONDVARS
&testmtx4,
&testmtx5,
&testmtx6,
#endif
#endif
NULL
};