void *thread1(void *dummy)
{
int failed = 0;
/* go to sleep on cvar1 */
mutex_lock(&lock1);
slept1 = 1;
report_misc("thread1 sleeping on cvar1");
cond_wait(&cvar1, &lock1);
if (!signaled1) {
failed = 1;
report_misc("woke up from cvar1 without a signal!");
report_end(END_FAIL);
}
mutex_unlock(&lock1);
/* go to sleep on cvar1 */
mutex_lock(&lock2);
slept2 = 1;
report_misc("thread1 sleeping on cvar2");
cond_wait(&cvar2, &lock2);
if (!signaled2) {
failed = 1;
report_misc("woke up from cvar2 without a signal!");
report_end(END_FAIL);
}
mutex_unlock(&lock2);
if (!failed) {
report_end(END_SUCCESS);
}
return NULL;
}
int main(void)
{
report_start(START_CMPLT);
//assuredly_misbehave((rand() % 521) % MISBEHAVE_MAX);
misbehave(BGND_BRWN >> FGND_CYAN); // for landslide
ERR(thr_init(STACK_SIZE));
ERR(mutex_init(&lock1));
ERR(mutex_init(&lock2));
ERR(cond_init(&cvar1));
ERR(cond_init(&cvar2));
ERR(thr_create(thread1, NULL));
report_misc("thread1 created");
/* Wait for thread1 to get to sleep on cvar1. */
mutex_lock(&lock1);
while (!slept1) {
mutex_unlock(&lock1);
thr_yield(-1);
mutex_lock(&lock1);
}
/* Indicate that we are about to signal */
signaled1 = 1;
mutex_unlock(&lock1);
/* Signal. Note that we know for sure that thread1 is asleep on
* cvar1 (assuming correct cond vars and mutexes...) */
cond_signal(&cvar1);
report_misc("cvar1 signaled");
//sleep(10);
/* Now do it all again for the second set of things. */
/* Wait for thread1 to get to sleep on cvar2. */
mutex_lock(&lock2);
while (!slept2) {
mutex_unlock(&lock2);
thr_yield(-1);
mutex_lock(&lock2);
}
/* Indicate that we are about to signal */
signaled2 = 1;
mutex_unlock(&lock2);
/* Signal. Note that we know for sure that thread1 is asleep on
* cvar1 (assuming correct cond vars and mutexes...) */
cond_signal(&cvar2);
report_misc("cvar2 signaled");
/* We report success from the other thread. */
return 0;
}
int main(int argc, char *argv[]) {
report_start(START_CMPLT);
report_misc("before sleeping");
if (argc == 2)
sleep( atoi( argv[1] ) );
else
sleep( 3 + (gettid() % 27) );
report_misc("after sleeping");
report_end(END_SUCCESS);
exit( 42 );
}
int main()
{
report_start(START_CMPLT);
do_test();
report_misc("stack allocation successful");
report_end(END_SUCCESS);
exit(42);
}
