void qemu_mutex_init(QemuMutex *mutex)
{
int err;
+ pthread_mutexattr_t mutexattr;
- err = pthread_mutex_init(&mutex->lock, NULL);
+ pthread_mutexattr_init(&mutexattr);
+ pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_ERRORCHECK);
+ err = pthread_mutex_init(&mutex->lock, &mutexattr);
+ pthread_mutexattr_destroy(&mutexattr);
if (err)
error_exit(err, __func__);
}
return pthread_mutex_trylock(&mutex->lock);
}
-static void timespec_add_ms(struct timespec *ts, uint64_t msecs)
-{
- ts->tv_sec = ts->tv_sec + (long)(msecs / 1000);
- ts->tv_nsec = (ts->tv_nsec + ((long)msecs % 1000) * 1000000);
- if (ts->tv_nsec >= 1000000000) {
- ts->tv_nsec -= 1000000000;
- ts->tv_sec++;
- }
-}
-
-int qemu_mutex_timedlock(QemuMutex *mutex, uint64_t msecs)
-{
- int err;
- struct timespec ts;
-
- clock_gettime(CLOCK_REALTIME, &ts);
- timespec_add_ms(&ts, msecs);
-
- err = pthread_mutex_timedlock(&mutex->lock, &ts);
- if (err && err != ETIMEDOUT)
- error_exit(err, __func__);
- return err;
-}
-
void qemu_mutex_unlock(QemuMutex *mutex)
{
int err;
error_exit(err, __func__);
}
-int qemu_cond_timedwait(QemuCond *cond, QemuMutex *mutex, uint64_t msecs)
-{
- struct timespec ts;
- int err;
-
- clock_gettime(CLOCK_REALTIME, &ts);
- timespec_add_ms(&ts, msecs);
-
- err = pthread_cond_timedwait(&cond->cond, &mutex->lock, &ts);
- if (err && err != ETIMEDOUT)
- error_exit(err, __func__);
- return err;
-}
-
void qemu_thread_create(QemuThread *thread,
void *(*start_routine)(void*),
void *arg)
pthread_sigmask(SIG_SETMASK, &oldset, NULL);
}
-void qemu_thread_signal(QemuThread *thread, int sig)
-{
- int err;
-
- err = pthread_kill(thread->thread, sig);
- if (err)
- error_exit(err, __func__);
-}
-
void qemu_thread_get_self(QemuThread *thread)
{
thread->thread = pthread_self();