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 #include <errno.h> 30 #include <sys/epoll.h> 31 32 #include "private/SigSetConverter.h" 33 34 extern "C" int __epoll_pwait(int, epoll_event*, int, int, const sigset64_t*, size_t); 35 36 int epoll_create(int size) { 37 if (size <= 0) { 38 errno = EINVAL; 39 return -1; 40 } 41 return epoll_create1(0); 42 } 43 44 int epoll_pwait(int fd, epoll_event* events, int max_events, int timeout, const sigset_t* ss) { 45 SigSetConverter set; 46 sigset64_t* ss_ptr = nullptr; 47 if (ss != nullptr) { 48 set = {}; 49 set.sigset = *ss; 50 ss_ptr = &set.sigset64; 51 } 52 return epoll_pwait64(fd, events, max_events, timeout, ss_ptr); 53 } 54 55 int epoll_pwait64(int fd, epoll_event* events, int max_events, int timeout, const sigset64_t* ss) { 56 return __epoll_pwait(fd, events, max_events, timeout, ss, sizeof(*ss)); 57 } 58 59 int epoll_wait(int fd, struct epoll_event* events, int max_events, int timeout) { 60 return epoll_pwait64(fd, events, max_events, timeout, nullptr); 61 } 62
