1 /**************************************************************************
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * OS independent time-manipulation functions.
32 * @author Jose Fonseca <jrfonseca@tungstengraphics.com>
39 #include "pipe/p_config.h"
41 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS)
42 #include <time.h> /* timeval */
43 #include <unistd.h> /* usleep */
46 #include "pipe/p_compiler.h"
57 * Do not access this structure directly. Use the provided function instead.
61 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS)
70 util_time_get(struct util_time
*t
);
73 util_time_add(const struct util_time
*t1
,
75 struct util_time
*t2
);
78 util_time_micros( void );
81 util_time_diff(const struct util_time
*t1
,
82 const struct util_time
*t2
);
85 * Returns non-zero when the timeout expires.
88 util_time_timeout(const struct util_time
*start
,
89 const struct util_time
*end
,
90 const struct util_time
*curr
);
92 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS)
93 #define util_time_sleep usleep
96 util_time_sleep(unsigned usecs
);
104 #endif /* U_TIME_H_ */