2 * gdate-unix.c: Date and time utility functions.
5 * Gonzalo Paniagua Javier (gonzalo@novell.com
7 * (C) 2006 Novell, Inc.
9 * Permission is hereby granted, free of charge, to any person obtaining
10 * a copy of this software and associated documentation files (the
11 * "Software"), to deal in the Software without restriction, including
12 * without limitation the rights to use, copy, modify, merge, publish,
13 * distribute, sublicense, and/or sell copies of the Software, and to
14 * permit persons to whom the Software is furnished to do so, subject to
15 * the following conditions:
17 * The above copyright notice and this permission notice shall be
18 * included in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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26 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 g_get_current_time (GTimeVal
*result
)
40 g_return_if_fail (result
!= NULL
);
41 gettimeofday (&tv
, NULL
);
42 result
->tv_sec
= tv
.tv_sec
;
43 result
->tv_usec
= tv
.tv_usec
;
47 g_usleep (gulong microseconds
)
49 #if defined(HAVE_CLOCK_NANOSLEEP) && !defined(__PASE__)
50 struct timespec target
;
53 * Use clock_nanosleep () with absolute time to prevent time drifting problems
54 * when nanosleep () is interrupted by signals.
56 int ret
= clock_gettime (CLOCK_MONOTONIC
, &target
);
59 target
.tv_sec
+= microseconds
/ 1000000;
60 target
.tv_nsec
+= (microseconds
% 1000000) * 1000;
61 if (target
.tv_nsec
>= 1000000000) {
62 target
.tv_nsec
-= 1000000000;
67 ret
= clock_nanosleep (CLOCK_MONOTONIC
, TIMER_ABSTIME
, &target
, NULL
);
68 if (ret
!= 0 && ret
!= EINTR
)
69 g_error ("%s: clock_nanosleep () returned %d", __func__
, ret
);
70 } while (ret
== EINTR
);
73 struct timespec rem
, req
;
75 req
.tv_sec
= microseconds
/ 1000000;
76 req
.tv_nsec
= (microseconds
% 1000000) * 1000;
78 while (nanosleep (&req
, &rem
) == -1 && errno
== EINTR
)