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

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• Hash : 7ffb1614
  Author :
  Date : 2014-02-06T09:52:46
  

  Revert "Update to libusb-1.0.18" This reverts commit f7a78eb8b62d79725ee73db1c1e3992f07d490f6. The alleged libusbx merge with libusb does not confer the stability of the older libusb code.

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

• /*
   * libusb synchronization using POSIX Threads
   *
   * Copyright (C) 2011 Vitali Lovich <vlovich@aliph.com>
   * Copyright (C) 2011 Peter Stuge <peter@stuge.se>
   *
   * 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
   */
  
  #ifdef _XOPEN_SOURCE
  # if _XOPEN_SOURCE < 500
  #  undef _XOPEN_SOURCE
  #  define _XOPEN_SOURCE 500
  # endif
  #else
  #define _XOPEN_SOURCE 500
  #endif /* _XOPEN_SOURCE */
  
  #include "threads_posix.h"
  
  int usbi_mutex_init_recursive(pthread_mutex_t *mutex, pthread_mutexattr_t *attr)
  {
  	int err;
  	pthread_mutexattr_t stack_attr;
  	if (!attr) {
  		attr = &stack_attr;
  		err = pthread_mutexattr_init(&stack_attr);
  		if (err != 0)
  			return err;
  	}
  
  	err = pthread_mutexattr_settype(attr, PTHREAD_MUTEX_RECURSIVE);
  	if (err != 0)
  		goto finish;
  
  	err = pthread_mutex_init(mutex, attr);
  
  finish:
  	if (attr == &stack_attr)
  		pthread_mutexattr_destroy(&stack_attr);
  
  	return err;
  }
  

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