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/* IBM_PROLOG_BEGIN_TAG
* This is an automatically generated prolog.
*
* $Source: src/include/sys/time.h $
*
* IBM CONFIDENTIAL
*
* COPYRIGHT International Business Machines Corp. 2010-2012
*
* p1
*
* Object Code Only (OCO) source materials
* Licensed Internal Code Source Materials
* IBM HostBoot Licensed Internal Code
*
* The source code for this program is not published or other-
* wise divested of its trade secrets, irrespective of what has
* been deposited with the U.S. Copyright Office.
*
* Origin: 30
*
* IBM_PROLOG_END_TAG
*/
#ifndef __SYS_TIME_H
#define __SYS_TIME_H
#include <stdint.h>
#include <kernel/timemgr.H>
//******************************************************************************
// Macros
//******************************************************************************
/**
* @brief Number of nanoseconds per second
*/
#define NS_PER_SEC (1000000000ull)
/**
* @brief Duration of one timeslice/context switch in nanoseconds
*/
#define ONE_CTX_SWITCH_NS (NS_PER_SEC/TimeManager::TIMESLICE_PER_SEC)
/**
* @brief Duration of ten context switches, in nanoseconds; used by testcases
* to guarantee a secondary testcase task/thread will execute
*/
#define TEN_CTX_SWITCHES_NS (ONE_CTX_SWITCH_NS * 10)
//******************************************************************************
// Interface
//******************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
/** @fn nanosleep()
* @brief Sleep for time duration given: seconds plus nanoseconds.
* @param[in] sec - seconds
* @param[in] nsec - nanoseconds (billionths of a second)
*/
void nanosleep(uint64_t sec, uint64_t nsec);
#ifdef __cplusplus
}
#endif
#endif
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