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tests: add test for sem_timedwait()

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Martine Lenders 2015-08-04 20:07:26 +02:00 committed by Martine Lenders
parent 4b92961f82
commit 12472a8984
1 changed files with 29 additions and 0 deletions
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29
tests/posix_semaphore/main.c
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@ -17,6 +17,7 @@
* *
* @author Christian Mehlis <mehlis@inf.fu-berlin.de> * @author Christian Mehlis <mehlis@inf.fu-berlin.de>
* @author René Kijewski <rene.kijewski@fu-berlin.de> * @author René Kijewski <rene.kijewski@fu-berlin.de>
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
* *
* @} * @}
*/ */
@ -24,8 +25,10 @@
#include <stdio.h> #include <stdio.h>
#include "msg.h" #include "msg.h"
#include "timex.h"
#include "thread.h" #include "thread.h"
#include "semaphore.h" #include "semaphore.h"
#include "vtimer.h"
#define SEMAPHORE_MSG_QUEUE_SIZE (8) #define SEMAPHORE_MSG_QUEUE_SIZE (8)
#define SEMAPHORE_TEST_THREADS (5) #define SEMAPHORE_TEST_THREADS (5)
@ -230,6 +233,30 @@ void test3(void)
sem_post(&s1); sem_post(&s1);
} }
void test4(void)
{
struct timespec abs;
char timestamp[TIMEX_MAX_STR_LEN];
timex_t now, start, stop, exp = { 1, 0 };
vtimer_now(&now);
abs.tv_sec = now.seconds + 1;
abs.tv_nsec = now.microseconds * 1000;
puts("first: sem_init s1");
if (sem_init(&s1, 0, 0) != 0) {
puts("first: sem_init FAILED");
}
vtimer_now(&start);
puts("first: wait 1 sec for s1");
sem_timedwait(&s1, &abs);
vtimer_now(&stop);
stop = timex_sub(stop, start);
if (timex_cmp(stop, exp) < 0) {
printf("first: waited only %s => FAILED\n",
timex_to_str(stop, timestamp));
}
printf("first: waited %s\n", timex_to_str(stop, timestamp));
}
int main(void) int main(void)
{ {
msg_init_queue(main_msg_queue, SEMAPHORE_MSG_QUEUE_SIZE); msg_init_queue(main_msg_queue, SEMAPHORE_MSG_QUEUE_SIZE);
@ -239,6 +266,8 @@ int main(void)
test2(); test2();
puts("######################### TEST3:"); puts("######################### TEST3:");
test3(); test3();
puts("######################### TEST4:");
test4();
puts("######################### DONE"); puts("######################### DONE");
return 0; return 0;
} }