|  | /* Copyright (C) 2008-2014 Free Software Foundation, Inc. | 
|  | This file is part of the GNU C Library. | 
|  |  | 
|  | The GNU C Library is free software; you can redistribute it and/or | 
|  | modify it under the terms of the GNU Lesser General Public | 
|  | License as published by the Free Software Foundation; either | 
|  | version 2.1 of the License, or (at your option) any later version. | 
|  |  | 
|  | The GNU C Library is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | Lesser General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU Lesser General Public | 
|  | License along with the GNU C Library; if not, see | 
|  | <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | #ifndef	_SYS_TIMERFD_H | 
|  | #define	_SYS_TIMERFD_H	1 | 
|  |  | 
|  | #include <time.h> | 
|  |  | 
|  | /* Get the platform-dependent flags.  */ | 
|  | #include <bits/timerfd.h> | 
|  |  | 
|  |  | 
|  | /* Bits to be set in the FLAGS parameter of `timerfd_settime'.  */ | 
|  | enum | 
|  | { | 
|  | TFD_TIMER_ABSTIME = 1 << 0 | 
|  | #define TFD_TIMER_ABSTIME TFD_TIMER_ABSTIME | 
|  | }; | 
|  |  | 
|  |  | 
|  | __BEGIN_DECLS | 
|  |  | 
|  | /* Return file descriptor for new interval timer source.  */ | 
|  | extern int timerfd_create (clockid_t __clock_id, int __flags) __THROW; | 
|  |  | 
|  | /* Set next expiration time of interval timer source UFD to UTMR.  If | 
|  | FLAGS has the TFD_TIMER_ABSTIME flag set the timeout value is | 
|  | absolute.  Optionally return the old expiration time in OTMR.  */ | 
|  | extern int timerfd_settime (int __ufd, int __flags, | 
|  | const struct itimerspec *__utmr, | 
|  | struct itimerspec *__otmr) __THROW; | 
|  |  | 
|  | /* Return the next expiration time of UFD.  */ | 
|  | extern int timerfd_gettime (int __ufd, struct itimerspec *__otmr) __THROW; | 
|  |  | 
|  | __END_DECLS | 
|  |  | 
|  | #endif /* sys/timerfd.h */ |