blob: cf726942efc49229a5c527c60fd8e3c311863a22 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/*
* 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;
}
|
