41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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* libusb synchronization on Microsoft Windows
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*
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* Copyright © 2010 Michael Plante <michael.plante@gmail.com>
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* Copyright © 2020 Chris Dickens <christopher.a.dickens@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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#include "libusbi.h"
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int usbi_cond_timedwait(usbi_cond_t *cond,
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usbi_mutex_t *mutex, const struct timeval *tv)
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{
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DWORD millis;
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millis = (DWORD)(tv->tv_sec * 1000L) + (tv->tv_usec / 1000L);
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/* round up to next millisecond */
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if (tv->tv_usec % 1000L)
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millis++;
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if (SleepConditionVariableCS(cond, mutex, millis))
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return 0;
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else if (GetLastError() == ERROR_TIMEOUT)
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return LIBUSB_ERROR_TIMEOUT;
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else
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return LIBUSB_ERROR_OTHER;
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}
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