QuietUnrar/libunrar/system.cpp

96 lines
2.1 KiB
C++

#include "rar.hpp"
#ifndef _WIN_CE
static int SleepTime=0;
void InitSystemOptions(int SleepTime)
{
::SleepTime=SleepTime;
}
#endif
#if !defined(SFX_MODULE) && !defined(_WIN_CE)
void SetPriority(int Priority)
{
#ifdef _WIN_32
uint PriorityClass;
int PriorityLevel;
if (Priority<1 || Priority>15)
return;
if (Priority==1)
{
PriorityClass=IDLE_PRIORITY_CLASS;
PriorityLevel=THREAD_PRIORITY_IDLE;
}
else
if (Priority<7)
{
PriorityClass=IDLE_PRIORITY_CLASS;
PriorityLevel=Priority-4;
}
else
if (Priority==7)
{
PriorityClass=BELOW_NORMAL_PRIORITY_CLASS;
PriorityLevel=THREAD_PRIORITY_ABOVE_NORMAL;
}
else
if (Priority<10)
{
PriorityClass=NORMAL_PRIORITY_CLASS;
PriorityLevel=Priority-7;
}
else
if (Priority==10)
{
PriorityClass=ABOVE_NORMAL_PRIORITY_CLASS;
PriorityLevel=THREAD_PRIORITY_NORMAL;
}
else
{
PriorityClass=HIGH_PRIORITY_CLASS;
PriorityLevel=Priority-13;
}
SetPriorityClass(GetCurrentProcess(),PriorityClass);
SetThreadPriority(GetCurrentThread(),PriorityLevel);
// Background mode for Vista, too slow for real life use.
// if (WinNT()>=6 && Priority==1)
// SetPriorityClass(GetCurrentProcess(),PROCESS_MODE_BACKGROUND_BEGIN);
#endif
}
#endif
void Wait()
{
#if defined(_WIN_32) && !defined(_WIN_CE) && !defined(SFX_MODULE)
if (SleepTime!=0)
Sleep(SleepTime);
#endif
}
#if defined(_WIN_32) && !defined(_WIN_CE) && !defined(SFX_MODULE) && !defined(SHELL_EXT)
void Shutdown()
{
HANDLE hToken;
TOKEN_PRIVILEGES tkp;
if (OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY,&hToken))
{
LookupPrivilegeValue(NULL,SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
tkp.PrivilegeCount = 1;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
AdjustTokenPrivileges(hToken,FALSE,&tkp,0,(PTOKEN_PRIVILEGES)NULL,0);
}
ExitWindowsEx(EWX_SHUTDOWN|EWX_FORCE|EWX_POWEROFF,SHTDN_REASON_FLAG_PLANNED);
}
#endif