forked from KolibriOS/kolibrios
151 lines
3.3 KiB
C
151 lines
3.3 KiB
C
/**************************************************************************
|
|
*
|
|
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sub license, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial portions
|
|
* of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
|
|
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
|
|
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
**************************************************************************/
|
|
|
|
/**
|
|
* @file
|
|
* OS independent time-manipulation functions.
|
|
*
|
|
* @author Jose Fonseca <jrfonseca@tungstengraphics.com>
|
|
*/
|
|
|
|
#ifndef U_TIME_H_
|
|
#define U_TIME_H_
|
|
|
|
|
|
#include "pipe/p_config.h"
|
|
|
|
#include "os/os_time.h"
|
|
|
|
#include "pipe/p_compiler.h"
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
/**
|
|
* Time abstraction.
|
|
*
|
|
* Do not access this structure directly. Use the provided function instead.
|
|
*/
|
|
struct util_time
|
|
{
|
|
int64_t counter;
|
|
};
|
|
|
|
|
|
PIPE_DEPRECATED
|
|
static INLINE void
|
|
util_time_get(struct util_time *t)
|
|
{
|
|
t->counter = os_time_get();
|
|
}
|
|
|
|
|
|
/**
|
|
* Return t2 = t1 + usecs
|
|
*/
|
|
PIPE_DEPRECATED
|
|
static INLINE void
|
|
util_time_add(const struct util_time *t1,
|
|
int64_t usecs,
|
|
struct util_time *t2)
|
|
{
|
|
t2->counter = t1->counter + usecs;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return difference between times, in microseconds
|
|
*/
|
|
PIPE_DEPRECATED
|
|
static INLINE int64_t
|
|
util_time_diff(const struct util_time *t1,
|
|
const struct util_time *t2)
|
|
{
|
|
return t2->counter - t1->counter;
|
|
}
|
|
|
|
|
|
/**
|
|
* Compare two time values.
|
|
*
|
|
* Not publicly available because it does not take in account wrap-arounds.
|
|
* Use util_time_timeout instead.
|
|
*/
|
|
static INLINE int
|
|
_util_time_compare(const struct util_time *t1,
|
|
const struct util_time *t2)
|
|
{
|
|
if (t1->counter < t2->counter)
|
|
return -1;
|
|
else if(t1->counter > t2->counter)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns non-zero when the timeout expires.
|
|
*/
|
|
PIPE_DEPRECATED
|
|
static INLINE boolean
|
|
util_time_timeout(const struct util_time *start,
|
|
const struct util_time *end,
|
|
const struct util_time *curr)
|
|
{
|
|
return os_time_timeout(start->counter, end->counter, curr->counter);
|
|
}
|
|
|
|
|
|
/**
|
|
* Return current time in microseconds
|
|
*/
|
|
PIPE_DEPRECATED
|
|
static INLINE int64_t
|
|
util_time_micros(void)
|
|
{
|
|
return os_time_get();
|
|
}
|
|
|
|
|
|
PIPE_DEPRECATED
|
|
static INLINE void
|
|
util_time_sleep(int64_t usecs)
|
|
{
|
|
os_time_sleep(usecs);
|
|
}
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* U_TIME_H_ */
|