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C++ Thread::CPUTime方法代码示例

本文整理汇总了C++中Thread::CPUTime方法的典型用法代码示例。如果您正苦于以下问题:C++ Thread::CPUTime方法的具体用法?C++ Thread::CPUTime怎么用?C++ Thread::CPUTime使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Thread的用法示例。


在下文中一共展示了Thread::CPUTime方法的1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,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: timeLocker

status_t
user_timer_get_clock(clockid_t clockID, bigtime_t& _time)
{
	switch (clockID) {
		case CLOCK_MONOTONIC:
			_time = system_time();
			return B_OK;

		case CLOCK_REALTIME:
			_time = real_time_clock_usecs();
			return B_OK;

		case CLOCK_THREAD_CPUTIME_ID:
		{
			Thread* thread = thread_get_current_thread();
			InterruptsSpinLocker timeLocker(thread->time_lock);
			_time = thread->CPUTime(false);
			return B_OK;
		}

		case CLOCK_PROCESS_USER_CPUTIME_ID:
		{
			Team* team = thread_get_current_thread()->team;
			InterruptsSpinLocker timeLocker(team->time_lock);
			_time = team->UserCPUTime();
			return B_OK;
		}

		case CLOCK_PROCESS_CPUTIME_ID:
		default:
		{
			// get the ID of the target team (or the respective placeholder)
			team_id teamID;
			if (clockID == CLOCK_PROCESS_CPUTIME_ID) {
				teamID = B_CURRENT_TEAM;
			} else {
				if (clockID < 0)
					return B_BAD_VALUE;
				if (clockID == team_get_kernel_team_id())
					return B_NOT_ALLOWED;

				teamID = clockID;
			}

			// get the team
			Team* team = Team::Get(teamID);
			if (team == NULL)
				return B_BAD_VALUE;
			BReference<Team> teamReference(team, true);

			// get the time
			InterruptsSpinLocker timeLocker(team->time_lock);
			_time = team->CPUTime(false);

			return B_OK;
		}
	}
}
开发者ID:naveedasmat,项目名称:haiku,代码行数:58,代码来源:UserTimer.cpp


注:本文中的Thread::CPUTime方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。