1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _SYS_TIMERFD_H_ 30 #define _SYS_TIMERFD_H_ 31 32 #include <fcntl.h> /* For O_CLOEXEC and O_NONBLOCK. */ 33 #include <time.h> 34 #include <sys/types.h> 35 36 __BEGIN_DECLS 37 38 #define TFD_TIMER_ABSTIME (1 << 0) 39 #define TFD_TIMER_CANCEL_ON_SET (1 << 1) 40 41 #define TFD_CLOEXEC O_CLOEXEC 42 #define TFD_NONBLOCK O_NONBLOCK 43 44 extern int timerfd_create(clockid_t, int); 45 extern int timerfd_settime(int, int, const struct itimerspec*, 46 struct itimerspec*); 47 extern int timerfd_gettime(int, struct itimerspec*); 48 49 __END_DECLS 50 51 #endif /* _SYS_TIMERFD_H */ 52