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88 lines
2.8 KiB
88 lines
2.8 KiB
/* |
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* libusb synchronization on Microsoft Windows |
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* |
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* Copyright (C) 2010 Michael Plante <michael.plante@gmail.com> |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef LIBUSB_THREADS_WINDOWS_H |
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#define LIBUSB_THREADS_WINDOWS_H |
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#include <windows.h> |
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#define usbi_mutex_static_t volatile LONG |
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#define USBI_MUTEX_INITIALIZER 0 |
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#define usbi_mutex_t HANDLE |
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struct usbi_cond_perthread { |
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struct list_head list; |
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DWORD tid; |
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HANDLE event; |
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}; |
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struct usbi_cond_t_ { |
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// Every time a thread touches the CV, it winds up in one of these lists. |
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// It stays there until the CV is destroyed, even if the thread |
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// terminates. |
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struct list_head waiters; |
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struct list_head not_waiting; |
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}; |
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typedef struct usbi_cond_t_ usbi_cond_t; |
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// We *were* getting timespec from pthread.h: |
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#if (!defined(HAVE_STRUCT_TIMESPEC) && !defined(_TIMESPEC_DEFINED)) |
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#define HAVE_STRUCT_TIMESPEC 1 |
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#define _TIMESPEC_DEFINED 1 |
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struct timespec { |
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long tv_sec; |
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long tv_nsec; |
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}; |
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#endif /* HAVE_STRUCT_TIMESPEC | _TIMESPEC_DEFINED */ |
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// We *were* getting ETIMEDOUT from pthread.h: |
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#ifndef ETIMEDOUT |
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# define ETIMEDOUT 10060 /* This is the value in winsock.h. */ |
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#endif |
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#define usbi_mutexattr_t void |
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#define usbi_condattr_t void |
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// all Windows mutexes are recursive |
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#define usbi_mutex_init_recursive(mutex, attr) usbi_mutex_init((mutex), (attr)) |
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int usbi_mutex_static_lock(usbi_mutex_static_t *mutex); |
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int usbi_mutex_static_unlock(usbi_mutex_static_t *mutex); |
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int usbi_mutex_init(usbi_mutex_t *mutex, |
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const usbi_mutexattr_t *attr); |
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int usbi_mutex_lock(usbi_mutex_t *mutex); |
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int usbi_mutex_unlock(usbi_mutex_t *mutex); |
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int usbi_mutex_trylock(usbi_mutex_t *mutex); |
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int usbi_mutex_destroy(usbi_mutex_t *mutex); |
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int usbi_cond_init(usbi_cond_t *cond, |
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const usbi_condattr_t *attr); |
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int usbi_cond_destroy(usbi_cond_t *cond); |
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int usbi_cond_wait(usbi_cond_t *cond, usbi_mutex_t *mutex); |
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int usbi_cond_timedwait(usbi_cond_t *cond, |
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usbi_mutex_t *mutex, |
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const struct timespec *abstime); |
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int usbi_cond_broadcast(usbi_cond_t *cond); |
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int usbi_cond_signal(usbi_cond_t *cond); |
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#endif /* LIBUSB_THREADS_WINDOWS_H */ |
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