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RIOT/tests/core/msg_try_receive/main.c

58 lines
1.1 KiB
C

/*
* Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.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 msg_try_receive regression test application
*
* @author Kaspar Schleiser <kaspar@schleiser.de>
*
* @}
*/
#include <stdio.h>
#include "thread.h"
#include "msg.h"
static kernel_pid_t _main_pid;
static char stack[THREAD_STACKSIZE_MAIN];
static void *second_thread(void *arg)
{
(void) arg;
msg_t test;
puts("sending message...");
msg_send(&test, _main_pid);
return NULL;
}
int main(void)
{
printf("main starting\n");
_main_pid = thread_getpid();
thread_create(stack,
sizeof(stack),
THREAD_PRIORITY_MAIN - 1,
0,
second_thread,
NULL,
"second_thread");
msg_t m;
printf("msg available: %i (should be 1!)\n", msg_try_receive(&m));
return 0;
}