73,13 → 73,13 |
waitq_sleep(&can_start); |
|
to = random(40000); |
printf("cpu%d, tid %d w+ (%d)\n", the->cpu->id, the->thread->tid, to); |
printf("cpu%d, tid %d w+ (%d)\n", CPU->id, THREAD->tid, to); |
rc = rwlock_write_lock_timeout(&rwlock, to); |
if (SYNCH_FAILED(rc)) { |
printf("cpu%d, tid %d w!\n", the->cpu->id, the->thread->tid); |
printf("cpu%d, tid %d w!\n", CPU->id, THREAD->tid); |
return; |
}; |
printf("cpu%d, tid %d w=\n", the->cpu->id, the->thread->tid); |
printf("cpu%d, tid %d w=\n", CPU->id, THREAD->tid); |
|
if (rwlock.readers_in) panic("Oops."); |
thread_usleep(random(1000000)); |
86,7 → 86,7 |
if (rwlock.readers_in) panic("Oops."); |
|
rwlock_write_unlock(&rwlock); |
printf("cpu%d, tid %d w-\n", the->cpu->id, the->thread->tid); |
printf("cpu%d, tid %d w-\n", CPU->id, THREAD->tid); |
} |
|
void reader(void *arg) |
95,16 → 95,16 |
waitq_sleep(&can_start); |
|
to = random(2000); |
printf("cpu%d, tid %d r+ (%d)\n", the->cpu->id, the->thread->tid, to); |
printf("cpu%d, tid %d r+ (%d)\n", CPU->id, THREAD->tid, to); |
rc = rwlock_read_lock_timeout(&rwlock, to); |
if (SYNCH_FAILED(rc)) { |
printf("cpu%d, tid %d r!\n", the->cpu->id, the->thread->tid); |
printf("cpu%d, tid %d r!\n", CPU->id, THREAD->tid); |
return; |
} |
printf("cpu%d, tid %d r=\n", the->cpu->id, the->thread->tid); |
printf("cpu%d, tid %d r=\n", CPU->id, THREAD->tid); |
thread_usleep(30000); |
rwlock_read_unlock(&rwlock); |
printf("cpu%d, tid %d r-\n", the->cpu->id, the->thread->tid); |
printf("cpu%d, tid %d r-\n", CPU->id, THREAD->tid); |
} |
|
void failed(void) |
134,7 → 134,7 |
k = random(7) + 1; |
printf("Creating %d readers\n", k); |
for (i=0; i<k; i++) { |
thrd = thread_create(reader, NULL, the->task, 0); |
thrd = thread_create(reader, NULL, TASK, 0); |
if (thrd) |
thread_ready(thrd); |
else |
144,7 → 144,7 |
k = random(5) + 1; |
printf("Creating %d writers\n", k); |
for (i=0; i<k; i++) { |
thrd = thread_create(writer, NULL, the->task, 0); |
thrd = thread_create(writer, NULL, TASK, 0); |
if (thrd) |
thread_ready(thrd); |
else |