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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/include/time.h $
//
// IBM CONFIDENTIAL
//
// COPYRIGHT International Business Machines Corp. 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
#ifndef __TIME_H
#define __TIME_H
#include <stdint.h>
// POSIX structure for time (sec / nsec pairs).
struct timespec
{
uint64_t tv_sec;
uint64_t tv_nsec;
};
typedef struct timespec timespec_t;
// POSIX clock IDs.
typedef enum
{
CLOCK_REALTIME = 0,
CLOCK_MONOTONIC = 1
} clockid_t;
/** @fn clock_gettime
* @brief Reads the clock value from a POSIX clock.
*
* @note Currently, we only support CLOCK_MONOTONIC.
* CLOCK_REALTIME requires synchronization of the timebase with the FSP
* RTC.
*
* @param[in] clk_id - The clock ID to read.
* @param[out] tp - The timespec struct to store the clock value in.
*
* @return 0 or -(errno).
* @retval 0 - SUCCESS.
* @retval -EINVAL - Invalid clock requested.
* @retval -EFAULT - NULL ptr given for timespec struct.
*
*/
int clock_gettime(clockid_t clk_id, timespec_t* tp);
#endif
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