| /* |
| * 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 |
| |
| #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 */ |
| |