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688903eb | 1 | /* Copyright (C) 2008-2018 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #ifndef _SYS_TIMERFD_H | |
19 | #define _SYS_TIMERFD_H 1 | |
20 | ||
21 | #include <time.h> | |
05b68e14 | 22 | #include <bits/types/struct_itimerspec.h> |
9d9ba873 | 23 | |
0e499750 JM |
24 | /* Get the platform-dependent flags. */ |
25 | #include <bits/timerfd.h> | |
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26 | |
27 | ||
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28 | /* Bits to be set in the FLAGS parameter of `timerfd_settime'. */ |
29 | enum | |
30 | { | |
63e1c376 | 31 | TFD_TIMER_ABSTIME = 1 << 0, |
9d9ba873 | 32 | #define TFD_TIMER_ABSTIME TFD_TIMER_ABSTIME |
63e1c376 JM |
33 | TFD_TIMER_CANCEL_ON_SET = 1 << 1 |
34 | #define TFD_TIMER_CANCEL_ON_SET TFD_TIMER_CANCEL_ON_SET | |
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35 | }; |
36 | ||
37 | ||
38 | __BEGIN_DECLS | |
39 | ||
40 | /* Return file descriptor for new interval timer source. */ | |
cb765808 | 41 | extern int timerfd_create (__clockid_t __clock_id, int __flags) __THROW; |
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42 | |
43 | /* Set next expiration time of interval timer source UFD to UTMR. If | |
44 | FLAGS has the TFD_TIMER_ABSTIME flag set the timeout value is | |
45 | absolute. Optionally return the old expiration time in OTMR. */ | |
46 | extern int timerfd_settime (int __ufd, int __flags, | |
a784e502 | 47 | const struct itimerspec *__utmr, |
9d9ba873 UD |
48 | struct itimerspec *__otmr) __THROW; |
49 | ||
50 | /* Return the next expiration time of UFD. */ | |
51 | extern int timerfd_gettime (int __ufd, struct itimerspec *__otmr) __THROW; | |
52 | ||
53 | __END_DECLS | |
54 | ||
55 | #endif /* sys/timerfd.h */ |