| /* |
| * poll_posix: poll compatibility wrapper for POSIX systems |
| * Copyright © 2013 RealVNC Ltd. |
| * |
| * This 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. |
| * |
| * This 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 this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #include <config.h> |
| |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <stdlib.h> |
| |
| #include "libusbi.h" |
| |
| int usbi_pipe(int pipefd[2]) |
| { |
| int ret = pipe(pipefd); |
| if (ret != 0) { |
| return ret; |
| } |
| ret = fcntl(pipefd[1], F_GETFL); |
| if (ret == -1) { |
| usbi_dbg("Failed to get pipe fd flags: %d", errno); |
| goto err_close_pipe; |
| } |
| ret = fcntl(pipefd[1], F_SETFL, ret | O_NONBLOCK); |
| if (ret != 0) { |
| usbi_dbg("Failed to set non-blocking on new pipe: %d", errno); |
| goto err_close_pipe; |
| } |
| |
| return 0; |
| |
| err_close_pipe: |
| usbi_close(pipefd[0]); |
| usbi_close(pipefd[1]); |
| return ret; |
| } |