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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/test/synch/rwlock3.c @ 2052

  → /trunk/kernel/test/synch/rwlock3.c @ 2053

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 2052 → Rev 2053

/trunk/kernel/test/synch/rwlock3.c
34,25 → 34,34
#include <synch/rwlock.h>
#define READERS 50
#define WRITERS 50
#define THREADS 4
static atomic_t thread_count;
static rwlock_t rwlock;
static bool sh_quiet;
static void reader(void *arg)
{
thread_detach(THREAD);
printf("cpu%d, tid %d: trying to lock rwlock for reading....\n", CPU->id, THREAD->tid);
if (!sh_quiet)
printf("cpu%d, tid %d: trying to lock rwlock for reading....\n", CPU->id, THREAD->tid);
rwlock_read_lock(&rwlock);
rwlock_read_unlock(&rwlock);
printf("cpu%d, tid %d: success\n", CPU->id, THREAD->tid);
rwlock_read_unlock(&rwlock);
if (!sh_quiet) {
printf("cpu%d, tid %d: success\n", CPU->id, THREAD->tid);
printf("cpu%d, tid %d: trying to lock rwlock for writing....\n", CPU->id, THREAD->tid);
}
printf("cpu%d, tid %d: trying to lock rwlock for writing....\n", CPU->id, THREAD->tid);
rwlock_write_lock(&rwlock);
rwlock_write_unlock(&rwlock);
printf("cpu%d, tid %d: success\n", CPU->id, THREAD->tid);
if (!sh_quiet)
printf("cpu%d, tid %d: success\n", CPU->id, THREAD->tid);
atomic_dec(&thread_count);
}
char * test_rwlock3(bool quiet)
59,21 → 68,29
{
int i;
thread_t *thrd;
sh_quiet = quiet;
atomic_set(&thread_count, THREADS);
rwlock_initialize(&rwlock);
rwlock_write_lock(&rwlock);
for (i = 0; i < 4; i++) {
for (i = 0; i < THREADS; i++) {
thrd = thread_create(reader, NULL, TASK, 0, "reader", false);
if (thrd)
thread_ready(thrd);
else
else if (!quiet)
printf("Could not create reader %d\n", i);
}
thread_sleep(1);
rwlock_write_unlock(&rwlock);
while (atomic_get(&thread_count) > 0) {
if (!quiet)
printf("Threads left: %d\n", atomic_get(&thread_count));
thread_sleep(1);
}
return NULL;
}