diff options
Diffstat (limited to 'openvpn/tap-win32/lock.h')
| -rwxr-xr-x | openvpn/tap-win32/lock.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/openvpn/tap-win32/lock.h b/openvpn/tap-win32/lock.h deleted file mode 100755 index 8598f31..0000000 --- a/openvpn/tap-win32/lock.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * TAP-Win32 -- A kernel driver to provide virtual tap device - * functionality on Windows. Originally derived - * from the CIPE-Win32 project by Damion K. Wilson, - * with extensive modifications by James Yonan. - * - * All source code which derives from the CIPE-Win32 project is - * Copyright (C) Damion K. Wilson, 2003, and is released under the - * GPL version 2 (see below). - * - * All other source code is Copyright (C) 2002-2005 OpenVPN Solutions LLC, - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -typedef struct -{ - volatile long count; -} MUTEX; - -#define MUTEX_SLEEP_TIME 10000 // microseconds - -#define INIT_MUTEX(m) { (m)->count = 0; } - -#define ACQUIRE_MUTEX_BLOCKING(m) \ -{ \ - while (NdisInterlockedIncrement (&((m)->count)) != 1) \ - { \ - NdisInterlockedDecrement(&((m)->count)); \ - NdisMSleep(MUTEX_SLEEP_TIME); \ - } \ -} - -#define RELEASE_MUTEX(m) \ -{ \ - NdisInterlockedDecrement(&((m)->count)); \ -} - -#define ACQUIRE_MUTEX_NONBLOCKING(m, result) \ -{ \ - if (NdisInterlockedIncrement (&((m)->count)) != 1) \ - { \ - NdisInterlockedDecrement(&((m)->count)); \ - result = FALSE; \ - } \ - else \ - { \ - result = TRUE; \ - } \ -} - -#define ACQUIRE_MUTEX_ADAPTIVE(m, result) \ -{ \ - result = TRUE; \ - while (NdisInterlockedIncrement (&((m)->count)) != 1) \ - { \ - NdisInterlockedDecrement(&((m)->count)); \ - if (KeGetCurrentIrql () < DISPATCH_LEVEL) \ - NdisMSleep(MUTEX_SLEEP_TIME); \ - else \ - { \ - result = FALSE; \ - break; \ - } \ - } \ -} |