Exemplos de do_nanosleep em C++ (Cpp)

Exemplo n.º 1

Arquivo: hrtimer.c Projeto: RolanDroid/lge_MonsterKernel-lproj

long __sched hrtimer_nanosleep_restart(struct restart_block *restart)
{
	struct hrtimer_sleeper t;
	struct timespec __user  *rmtp;
	int ret = 0;

	hrtimer_init_on_stack(&t.timer, restart->nanosleep.clockid,
				HRTIMER_MODE_ABS);
	hrtimer_set_expires_tv64(&t.timer, restart->nanosleep.expires);

	if (do_nanosleep(&t, HRTIMER_MODE_ABS))
		goto out;

	rmtp = restart->nanosleep.rmtp;
	if (rmtp) {
		ret = update_rmtp(&t.timer, rmtp);
		if (ret <= 0)
			goto out;
	}

	/* The other values in restart are already filled in */
	ret = -ERESTART_RESTARTBLOCK;
out:
	destroy_hrtimer_on_stack(&t.timer);
	return ret;
}

Exemplo n.º 2

Arquivo: hrtimer.c Projeto: miettal/armadillo420_standard

long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
		       const enum hrtimer_mode mode, const clockid_t clockid)
{
	struct restart_block *restart;
	struct hrtimer_sleeper t;
	int ret = 0;

	hrtimer_init_on_stack(&t.timer, clockid, mode);
	t.timer.expires = timespec_to_ktime(*rqtp);
	if (do_nanosleep(&t, mode))
		goto out;

	/* Absolute timers do not update the rmtp value and restart: */
	if (mode == HRTIMER_MODE_ABS) {
		ret = -ERESTARTNOHAND;
		goto out;
	}

	if (rmtp) {
		ret = update_rmtp(&t.timer, rmtp);
		if (ret <= 0)
			goto out;
	}

	restart = &current_thread_info()->restart_block;
	restart->fn = hrtimer_nanosleep_restart;
	restart->nanosleep.index = t.timer.base->index;
	restart->nanosleep.rmtp = rmtp;
	restart->nanosleep.expires = t.timer.expires.tv64;

	ret = -ERESTART_RESTARTBLOCK;
out:
	destroy_hrtimer_on_stack(&t.timer);
	return ret;
}

Exemplo n.º 3

Arquivo: hrtimer.c Projeto: acassis/emlinux-ssd1935

long __sched hrtimer_nanosleep_restart(struct restart_block *restart)
{
	struct hrtimer_sleeper t;
	struct timespec *rmtp;
	ktime_t time;

	restart->fn = do_no_restart_syscall;

	hrtimer_init(&t.timer, restart->arg0, HRTIMER_MODE_ABS);
	t.timer.expires.tv64 = ((u64)restart->arg3 << 32) | (u64) restart->arg2;

	if (do_nanosleep(&t, HRTIMER_MODE_ABS))
		return 0;

	rmtp = (struct timespec *)restart->arg1;
	if (rmtp) {
		time = ktime_sub(t.timer.expires, t.timer.base->get_time());
		if (time.tv64 <= 0)
			return 0;
		*rmtp = ktime_to_timespec(time);
	}

	restart->fn = hrtimer_nanosleep_restart;

	/* The other values in restart are already filled in */
	return -ERESTART_RESTARTBLOCK;
}

Exemplo n.º 4

Arquivo: hrtimer.c Projeto: acassis/emlinux-ssd1935

long hrtimer_nanosleep(struct timespec *rqtp, struct timespec *rmtp,
		       const enum hrtimer_mode mode, const clockid_t clockid)
{
	struct restart_block *restart;
	struct hrtimer_sleeper t;
	ktime_t rem;

	hrtimer_init(&t.timer, clockid, mode);
	t.timer.expires = timespec_to_ktime(*rqtp);
	if (do_nanosleep(&t, mode))
		return 0;

	/* Absolute timers do not update the rmtp value and restart: */
	if (mode == HRTIMER_MODE_ABS)
		return -ERESTARTNOHAND;

	if (rmtp) {
		rem = ktime_sub(t.timer.expires, t.timer.base->get_time());
		if (rem.tv64 <= 0)
			return 0;
		*rmtp = ktime_to_timespec(rem);
	}

	restart = &current_thread_info()->restart_block;
	restart->fn = hrtimer_nanosleep_restart;
	restart->arg0 = (unsigned long) t.timer.base->index;
	restart->arg1 = (unsigned long) rmtp;
	restart->arg2 = t.timer.expires.tv64 & 0xFFFFFFFF;
	restart->arg3 = t.timer.expires.tv64 >> 32;

	return -ERESTART_RESTARTBLOCK;
}

Exemplo n.º 5

Arquivo: hrtimer.c Projeto: gizm0n/wl500g

long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
		       const enum hrtimer_mode mode, const clockid_t clockid)
{
	struct restart_block *restart;
	struct hrtimer_sleeper t;
	struct timespec tu;
	ktime_t rem;

	hrtimer_init(&t.timer, clockid, mode);
	hrtimer_set_expires(&t.timer, timespec_to_ktime(*rqtp));
	if (do_nanosleep(&t, mode))
		return 0;

	/* Absolute timers do not update the rmtp value and restart: */
	if (mode == HRTIMER_MODE_ABS)
		return -ERESTARTNOHAND;

	if (rmtp) {
		rem = hrtimer_expires_remaining(&t.timer);
		if (rem.tv64 <= 0)
			return 0;
		tu = ktime_to_timespec(rem);
		if (copy_to_user(rmtp, &tu, sizeof(tu)))
			return -EFAULT;
	}

	restart = &current_thread_info()->restart_block;
	restart->fn = hrtimer_nanosleep_restart;
	restart->nanosleep.index = t.timer.base->index;
	restart->nanosleep.rmtp = rmtp;
	restart->nanosleep.expires = hrtimer_get_expires_tv64(&t.timer);

	return -ERESTART_RESTARTBLOCK;
}

Exemplo n.º 6

Arquivo: hrtimer.c Projeto: gizm0n/wl500g

long __sched hrtimer_nanosleep_restart(struct restart_block *restart)
{
	struct hrtimer_sleeper t;
	struct timespec __user *rmtp;
	struct timespec tu;
	ktime_t time;

	hrtimer_init(&t.timer, restart->nanosleep.index, HRTIMER_MODE_ABS);
	hrtimer_set_expires_tv64(&t.timer, restart->nanosleep.expires);

	if (do_nanosleep(&t, HRTIMER_MODE_ABS))
		return 0;

	rmtp = restart->nanosleep.rmtp;
	if (rmtp) {
		time = hrtimer_expires_remaining(&t.timer);
		if (time.tv64 <= 0)
			return 0;
		tu = ktime_to_timespec(time);
		if (copy_to_user(rmtp, &tu, sizeof(tu)))
			return -EFAULT;
	}

	/* The other values in restart are already filled in */
	return -ERESTART_RESTARTBLOCK;
}

Exemplo n.º 7

Arquivo: hrtimer.c Projeto: mdamt/linux

long hrtimer_nanosleep(const struct timespec64 *rqtp,
		       const enum hrtimer_mode mode, const clockid_t clockid)
{
	struct restart_block *restart;
	struct hrtimer_sleeper t;
	int ret = 0;
	u64 slack;

	slack = current->timer_slack_ns;
	if (dl_task(current) || rt_task(current))
		slack = 0;

	hrtimer_init_on_stack(&t.timer, clockid, mode);
	hrtimer_set_expires_range_ns(&t.timer, timespec64_to_ktime(*rqtp), slack);
	ret = do_nanosleep(&t, mode);
	if (ret != -ERESTART_RESTARTBLOCK)
		goto out;

	/* Absolute timers do not update the rmtp value and restart: */
	if (mode == HRTIMER_MODE_ABS) {
		ret = -ERESTARTNOHAND;
		goto out;
	}

	restart = &current->restart_block;
	restart->fn = hrtimer_nanosleep_restart;
	restart->nanosleep.clockid = t.timer.base->clockid;
	restart->nanosleep.expires = hrtimer_get_expires_tv64(&t.timer);
out:
	destroy_hrtimer_on_stack(&t.timer);
	return ret;
}

Exemplo n.º 8

Arquivo: syscalls.cpp Projeto: DiZhai/ptlsim-indir-dev

W64 sys_nanosleep(W64 nsec) {
  timespec req;
  timespec rem;

  req.tv_sec = (W64)nsec / 1000000000ULL;
  req.tv_nsec = (W64)nsec % 1000000000ULL;

  do_nanosleep(&req, &rem);

  return ((W64)rem.tv_sec * 1000000000ULL) + (W64)rem.tv_nsec;
}

Exemplo n.º 9

Arquivo: hrtimer.c Projeto: mdamt/linux

static long __sched hrtimer_nanosleep_restart(struct restart_block *restart)
{
	struct hrtimer_sleeper t;
	int ret;

	hrtimer_init_on_stack(&t.timer, restart->nanosleep.clockid,
				HRTIMER_MODE_ABS);
	hrtimer_set_expires_tv64(&t.timer, restart->nanosleep.expires);

	ret = do_nanosleep(&t, HRTIMER_MODE_ABS);
	destroy_hrtimer_on_stack(&t.timer);
	return ret;
}

Exemplo n.º 10

Arquivo: hrtimer.c Projeto: mobilipia/iods

long __sched hrtimer_nanosleep_restart(struct restart_block *restart)
{
	struct hrtimer_sleeper t;
	struct timespec __user  *rmtp;

	hrtimer_init(&t.timer, restart->arg0, HRTIMER_MODE_ABS);
	t.timer.expires.tv64 = ((u64)restart->arg3 << 32) | (u64) restart->arg2;

	if (do_nanosleep(&t, HRTIMER_MODE_ABS))
		return 0;

	rmtp = (struct timespec __user *)restart->arg1;
	if (rmtp) {
		int ret = update_rmtp(&t.timer, rmtp);
		if (ret <= 0)
			return ret;
	}

	/* The other values in restart are already filled in */
	return -ERESTART_RESTARTBLOCK;
}

Exemplo n.º 11

Arquivo: hrtimer.c Projeto: RolanDroid/lge_MonsterKernel-lproj

long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
		       const enum hrtimer_mode mode, const clockid_t clockid)
{
	struct restart_block *restart;
	struct hrtimer_sleeper t;
	int ret = 0;
	unsigned long slack;

	slack = current->timer_slack_ns;
	if (rt_task(current))
		slack = 0;

	hrtimer_init_on_stack(&t.timer, clockid, mode);
	hrtimer_set_expires_range_ns(&t.timer, timespec_to_ktime(*rqtp), slack);
	if (do_nanosleep(&t, mode))
		goto out;

	/* Absolute timers do not update the rmtp value and restart: */
	if (mode == HRTIMER_MODE_ABS) {
		ret = -ERESTARTNOHAND;
		goto out;
	}

	if (rmtp) {
		ret = update_rmtp(&t.timer, rmtp);
		if (ret <= 0)
			goto out;
	}

	restart = &current_thread_info()->restart_block;
	restart->fn = hrtimer_nanosleep_restart;
	restart->nanosleep.clockid = t.timer.base->clockid;
	restart->nanosleep.rmtp = rmtp;
	restart->nanosleep.expires = hrtimer_get_expires_tv64(&t.timer);

	ret = -ERESTART_RESTARTBLOCK;
out:
	destroy_hrtimer_on_stack(&t.timer);
	return ret;
}