| // Copyright (C) 2017-2019 Baidu, Inc. All Rights Reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in |
| // the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Baidu, Inc., nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #endif |
| |
| #include <sys/types.h> |
| #include <sys/epoll.h> |
| #include <poll.h> |
| #include <errno.h> |
| |
| int u_poll_ocall(int * error, struct pollfd * fds, nfds_t nfds, int timeout) |
| { |
| int ret = poll(fds, nfds, timeout); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_epoll_create1_ocall(int * error, int flags) |
| { |
| int ret = epoll_create1(flags); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_epoll_ctl_ocall(int * error, int epfd, int op, int fd, struct epoll_event * event) |
| { |
| int ret = epoll_ctl(epfd, op, fd, event); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_epoll_wait_ocall(int * error, int epfd, struct epoll_event * events, int maxevents, int timeout) |
| { |
| int ret = epoll_wait(epfd, events, maxevents, timeout); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |