windows/JackShmMem_os.h
/*
Copyright (C) 2004-2008 Grame
This program 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 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __JackShmMem_WIN32__
#define __JackShmMem_WIN32__
#include <windows.h>
inline bool CHECK_MLOCK(void* ptr, size_t size)
{
if (!VirtualLock((ptr), (size))) {
SIZE_T minWSS, maxWSS;
HANDLE hProc = GetCurrentProcess();
if (GetProcessWorkingSetSize(hProc, &minWSS, &maxWSS)) {
const size_t increase = size + (10 * 4096);
maxWSS += increase;
minWSS += increase;
if (!SetProcessWorkingSetSize(hProc, minWSS, maxWSS)) {
jack_error("SetProcessWorkingSetSize error = %d", GetLastError());
return false;
} else if (!VirtualLock((ptr), (size))) {
jack_error("VirtualLock error = %d", GetLastError());
return false;
} else {
return true;
}
} else {
return false;
}
} else {
return true;
}
}
#define CHECK_MUNLOCK(ptr, size) (VirtualUnlock((ptr), (size)) != 0)
#define CHECK_MLOCKALL()(false)
#define CHECK_MUNLOCKALL()(false)
#endif
jack_error
SERVER_EXPORT void jack_error(const char *fmt,...)
Definition: JackError.cpp:92