Jack2: JackShmMem_os.h Source File

Jack2 1.9.12

windows/JackShmMem_os.h
1 /*
2 Copyright (C) 2004-2008 Grame
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18 */
19
20 #ifndef __JackShmMem_WIN32__
21 #define __JackShmMem_WIN32__
22
23 #include <windows.h>
24
25 inline bool CHECK_MLOCK(void* ptr, size_t size)
26 {
27 if (!VirtualLock((ptr), (size))) {
28 SIZE_T minWSS, maxWSS;
29 HANDLE hProc = GetCurrentProcess();
30 if (GetProcessWorkingSetSize(hProc, &minWSS, &maxWSS)) {
31 const size_t increase = size + (10 * 4096);
32 maxWSS += increase;
33 minWSS += increase;
34 if (!SetProcessWorkingSetSize(hProc, minWSS, maxWSS)) {
35 jack_error("SetProcessWorkingSetSize error = %d", GetLastError());
36 return false;
37 } else if (!VirtualLock((ptr), (size))) {
38 jack_error("VirtualLock error = %d", GetLastError());
39 return false;
40 } else {
41 return true;
42 }
43 } else {
44 return false;
45 }
46 } else {
47 return true;
48 }
49 }
50
51 #define CHECK_MUNLOCK(ptr, size) (VirtualUnlock((ptr), (size)) != 0)
52 #define CHECK_MLOCKALL()(false)
53 #define CHECK_MUNLOCKALL()(false)
54
55 #endif
56
jack_error
SERVER_EXPORT void jack_error(const char *fmt,...)
Definition: JackError.cpp:92