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/*
* Copyright (C) 2014 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Test msg_send_receive().
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
* @author René Kijewski <rene.kijewski@fu-berlin.de>
* @author Oliver Hahm <oliver.hahm@inria.fr>
*
* @}
*/
#include <stdio.h>
#include "cpu_conf.h"
#include "thread.h"
#define THREAD1_STACKSIZE (THREAD_STACKSIZE_MAIN)
#define THREAD2_STACKSIZE (THREAD_STACKSIZE_MAIN)
#ifndef TEST_EXECUTION_NUM
#define TEST_EXECUTION_NUM (10)
#endif
static char thread1_stack[THREAD1_STACKSIZE];
static char thread2_stack[THREAD2_STACKSIZE];
static kernel_pid_t thread1_pid, thread2_pid;
static int counter1 = 0;
static int counter2 = 0;
static void *thread1(void *args)
{
(void)args;
msg_t msg_req, msg_resp;
int success = 1;
msg_resp.content.ptr = NULL;
msg_req.content.ptr = &counter1;
for (int i = 0; i < TEST_EXECUTION_NUM; i++) {
msg_send_receive(&msg_req, &msg_resp, thread2_pid);
if ((NULL == msg_resp.content.ptr) ||
(&counter1 != ((int *) msg_req.content.ptr)) ||
(counter1 != (*(int *) msg_resp.content.ptr)) ||
(counter1 != (*(int *) msg_req.content.ptr))) {
success = 0;
break;
}
}
if (success) {
puts("Test successful.");
}
else {
puts("Test failed.");
}
return NULL;
}
static void *thread2(void *args)
{
(void)args;
msg_t msg_req, msg_resp;
msg_resp.content.ptr = &counter2;
for (int i = 0; i < TEST_EXECUTION_NUM; i++) {
msg_receive(&msg_req);
++*(int *) msg_req.content.ptr;
++*(int *) msg_resp.content.ptr;
printf("Incremented counters to %d and %d\n",
*(int *) msg_req.content.ptr, *(int *) msg_resp.content.ptr);
msg_reply(&msg_req, &msg_resp);
}
return NULL;
}
int main(void)
{
thread2_pid = thread_create(thread2_stack, THREAD2_STACKSIZE, THREAD_PRIORITY_MAIN - 2,
0, thread2, NULL, "thread2");
thread1_pid = thread_create(thread1_stack, THREAD1_STACKSIZE, THREAD_PRIORITY_MAIN - 1,
0, thread1, NULL, "thread1");
return 0;
}