thodg/cgminer/compat/libusb-1.0/libusb/os/threads_windows.h

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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_windows.h

• /*
   * libusb synchronization on Microsoft Windows
   *
   * Copyright (C) 2010 Michael Plante <michael.plante@gmail.com>
   *
   * 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
   */
  
  #ifndef LIBUSB_THREADS_WINDOWS_H
  #define LIBUSB_THREADS_WINDOWS_H
  
  #include <windows.h>
  
  #define usbi_mutex_static_t     volatile LONG
  #define USBI_MUTEX_INITIALIZER  0
  
  #define usbi_mutex_t            HANDLE
  
  struct usbi_cond_perthread {
  	struct list_head list;
  	DWORD            tid;
  	HANDLE           event;
  };
  struct usbi_cond_t_ {
  	// Every time a thread touches the CV, it winds up in one of these lists.
  	//   It stays there until the CV is destroyed, even if the thread
  	//   terminates.
  	struct list_head waiters;
  	struct list_head not_waiting;
  };
  typedef struct usbi_cond_t_ usbi_cond_t;
  
  // We *were* getting timespec from pthread.h:
  #if (!defined(HAVE_STRUCT_TIMESPEC) && !defined(_TIMESPEC_DEFINED))
  #define HAVE_STRUCT_TIMESPEC 1
  #define _TIMESPEC_DEFINED 1
  struct timespec {
  		long tv_sec;
  		long tv_nsec;
  };
  #endif /* HAVE_STRUCT_TIMESPEC | _TIMESPEC_DEFINED */
  
  // We *were* getting ETIMEDOUT from pthread.h:
  #ifndef ETIMEDOUT
  #  define ETIMEDOUT 10060     /* This is the value in winsock.h. */
  #endif
  
  #define usbi_mutexattr_t void
  #define usbi_condattr_t  void
  
  // all Windows mutexes are recursive
  #define usbi_mutex_init_recursive(mutex, attr) usbi_mutex_init((mutex), (attr))
  
  int usbi_mutex_static_lock(usbi_mutex_static_t *mutex);
  int usbi_mutex_static_unlock(usbi_mutex_static_t *mutex);
  
  
  int usbi_mutex_init(usbi_mutex_t *mutex,
  					const usbi_mutexattr_t *attr);
  int usbi_mutex_lock(usbi_mutex_t *mutex);
  int usbi_mutex_unlock(usbi_mutex_t *mutex);
  int usbi_mutex_trylock(usbi_mutex_t *mutex);
  int usbi_mutex_destroy(usbi_mutex_t *mutex);
  
  int usbi_cond_init(usbi_cond_t *cond,
  				   const usbi_condattr_t *attr);
  int usbi_cond_destroy(usbi_cond_t *cond);
  int usbi_cond_wait(usbi_cond_t *cond, usbi_mutex_t *mutex);
  int usbi_cond_timedwait(usbi_cond_t *cond,
  						usbi_mutex_t *mutex,
  						const struct timespec *abstime);
  int usbi_cond_broadcast(usbi_cond_t *cond);
  int usbi_cond_signal(usbi_cond_t *cond);
  
  #endif /* LIBUSB_THREADS_WINDOWS_H */
  
  

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