thodg/cgminer/compat/libusb-1.0/libusb/os/poll_posix.c

• Show log

  Commit

• Hash : 677e9816
  Author :
  Date : 2013-09-30T11:43:39
  

  Convert libusb-1.0.16-rc10 to libusbx-1.0.17

Download

• compat/libusb-1.0/libusb/os/poll_posix.c

• /*
   * 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 <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;
  }
  

Download