Jack2  1.9.9
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 
SERVER_EXPORT void jack_error(const char *fmt,...)
Definition: JackError.cpp:91