Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
add test for mutex_unlock_and_sleep()
- Loading branch information
Martin
authored and
Martin
committed
Mar 3, 2014
1 parent
05f085d
commit 35106e3
Showing
3 changed files
with
74 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,4 @@ | ||
export PROJECT = test_mutex_unlock_and_sleep | ||
include ../Makefile.tests_common | ||
|
||
include $(RIOTBASE)/Makefile.include |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,69 @@ | ||
/* | ||
* Copyright (C) 2014 Hamburg University of Applied Siences (HAW) | ||
* | ||
* This file is subject to the terms and conditions of the GNU Lesser General | ||
* Public License. See the file LICENSE in the top level directory for more | ||
* details. | ||
*/ | ||
|
||
/** | ||
* @ingroup tests | ||
* @{ | ||
* | ||
* @file | ||
* @brief simple test application for atomic mutex unlocking and sleeping | ||
* | ||
* @author Martin Landsmann <martin.landsmann@haw-hamburg.de> | ||
* | ||
* @} | ||
*/ | ||
|
||
#include <stdio.h> | ||
#include "thread.h" | ||
#include "mutex.h" | ||
|
||
static mutex_t mutex; | ||
static volatile int indicator, count; | ||
|
||
static char stack[KERNEL_CONF_STACKSIZE_MAIN]; | ||
static void second_thread(void) | ||
{ | ||
while (1) { | ||
mutex_lock(&mutex); | ||
thread_wakeup(1); | ||
indicator--; | ||
mutex_unlock_and_sleep(&mutex); | ||
} | ||
} | ||
|
||
int main(void) | ||
{ | ||
indicator = 0; | ||
count = 0; | ||
mutex_init(&mutex); | ||
|
||
thread_create(stack, | ||
KERNEL_CONF_STACKSIZE_MAIN, | ||
PRIORITY_MAIN - 1, | ||
CREATE_WOUT_YIELD | CREATE_STACKTEST, | ||
second_thread, | ||
"second_thread"); | ||
|
||
while (1) { | ||
mutex_lock(&mutex); | ||
thread_wakeup(2); | ||
indicator++; | ||
count++; | ||
|
||
if (indicator > 1 || indicator < -1) { | ||
printf("Error, threads did not sleep properly. [indicator: %d]\n", indicator); | ||
return -1; | ||
} | ||
|
||
if ((count % 100000) == 0) { | ||
printf("Still alive alternated [count: %dk] times.\n", count / 1000); | ||
} | ||
|
||
mutex_unlock_and_sleep(&mutex); | ||
} | ||
} |