C++ do_nanosleep函数代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› C++›C++教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了C++中do_nanosleep函数的典型用法代码示例。如果您正苦于以下问题：C++ do_nanosleep函数的具体用法？C++ do_nanosleep怎么用？C++ do_nanosleep使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了do_nanosleep函数的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: hrtimer_nanosleep_restart

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;
}

开发者ID:RolanDroid，项目名称:lge_MonsterKernel-lproj，代码行数:26，代码来源:hrtimer.c

示例2: hrtimer_nanosleep

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;
}

开发者ID:miettal，项目名称:armadillo420_standard，代码行数:35，代码来源:hrtimer.c

示例3: hrtimer_nanosleep_restart

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;
}

开发者ID:acassis，项目名称:emlinux-ssd1935，代码行数:27，代码来源:hrtimer.c

示例4: hrtimer_nanosleep

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;
}

开发者ID:acassis，项目名称:emlinux-ssd1935，代码行数:32，代码来源:hrtimer.c

示例5: hrtimer_nanosleep

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;
}

开发者ID:gizm0n，项目名称:wl500g，代码行数:34，代码来源:hrtimer.c

示例6: hrtimer_nanosleep_restart

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;
}

开发者ID:gizm0n，项目名称:wl500g，代码行数:26，代码来源:hrtimer.c

示例7: hrtimer_nanosleep

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;
}

开发者ID:mdamt，项目名称:linux，代码行数:32，代码来源:hrtimer.c

示例8: sys_nanosleep

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;
}

开发者ID:DiZhai，项目名称:ptlsim-indir-dev，代码行数:11，代码来源:syscalls.cpp

示例9: hrtimer_nanosleep_restart

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;
}

开发者ID:mdamt，项目名称:linux，代码行数:13，代码来源:hrtimer.c

示例10: hrtimer_nanosleep_restart

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;
}

开发者ID:mobilipia，项目名称:iods，代码行数:21，代码来源:hrtimer.c

示例11: hrtimer_nanosleep

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;
}

开发者ID:RolanDroid，项目名称:lge_MonsterKernel-lproj，代码行数:40，代码来源:hrtimer.c

注：本文中的do_nanosleep函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。