1 /* 2 * Copyright (C) 2008 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_EPOLL_H_ 30 #define _SYS_EPOLL_H_ 31 32 #include <sys/cdefs.h> 33 #include <sys/types.h> 34 #include <signal.h> /* For sigset_t. */ 35 36 #include <linux/eventpoll.h> 37 38 __BEGIN_DECLS 39 40 int epoll_create(int __size); 41 int epoll_create1(int __flags) __INTRODUCED_IN(21); 42 43 /* 44 * Some third-party code uses the existence of EPOLL_CLOEXEC to detect the 45 * availability of epoll_create1. This is not correct, since having up-to-date 46 * UAPI headers says nothing about the C library, but for the time being we 47 * don't want to harm adoption to the unified headers. We'll undef EPOLL_CLOEXEC 48 * if we don't have epoll_create1 for the time being, and maybe revisit this 49 * later. 50 * 51 * https://github.com/android-ndk/ndk/issues/302 52 * https://github.com/android-ndk/ndk/issues/394 53 */ 54 #if __ANDROID_API__ < __ANDROID_API_L__ && defined(EPOLL_CLOEXEC) 55 #undef EPOLL_CLOEXEC 56 #endif 57 58 int epoll_ctl(int __epoll_fd, int __op, int __fd, struct epoll_event* __event); 59 int epoll_wait(int __epoll_fd, struct epoll_event* __events, int __event_count, int __timeout_ms); 60 int epoll_pwait(int __epoll_fd, struct epoll_event* __events, int __event_count, int __timeout_ms, const sigset_t* __mask) __INTRODUCED_IN(21); 61 int epoll_pwait64(int __epoll_fd, struct epoll_event* __events, int __event_count, int __timeout_ms, const sigset64_t* __mask) __INTRODUCED_IN(28); 62 63 __END_DECLS 64 65 #endif 66
