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