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Commit Ctrl Event handler more changes are pending.

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svn path=/trunk/; revision=5602
This commit is contained in:
James Tabor 2003-08-16 17:37:51 +00:00
parent a374276f97
commit 1498f053e6
1 changed files with 85 additions and 6 deletions
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89
reactos/lib/kernel32/misc/console.c
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@ -1,4 +1,4 @@
/* $Id: console.c,v 1.64 2003/08/13 06:53:54 jimtabor Exp $ /* $Id: console.c,v 1.65 2003/08/16 17:37:51 jimtabor Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries * PROJECT: ReactOS system libraries
@ -21,32 +21,35 @@
#define _NOACHS(__X) (sizeof(__X) / sizeof((__X)[0])) #define _NOACHS(__X) (sizeof(__X) / sizeof((__X)[0]))
extern BOOL WINAPI DefaultConsoleCtrlHandler(DWORD Event); extern BOOL WINAPI DefaultConsoleCtrlHandler(DWORD Event);
extern __declspec(noreturn) VOID CALLBACK ConsoleControlDispatcher(DWORD CodeAndFlag);
extern CRITICAL_SECTION ConsoleLock;
extern BOOL WINAPI IsDebuggerPresent(VOID);
/* GLOBALS *******************************************************************/ /* GLOBALS *******************************************************************/
static BOOL IgnoreCtrlEvents = FALSE; static BOOL IgnoreCtrlEvents = FALSE;
static PHANDLER_ROUTINE StaticCtrlHandlers[] = static PHANDLER_ROUTINE StaticCtrlHandlers[] =
{ (PHANDLER_ROUTINE) &DefaultConsoleCtrlHandler }; { (PHANDLER_ROUTINE) &DefaultConsoleCtrlHandler };
static PHANDLER_ROUTINE* CtrlHandlers = StaticCtrlHandlers; static PHANDLER_ROUTINE* CtrlHandlers = StaticCtrlHandlers;
static ULONG NrCtrlHandlers = _NOACHS(StaticCtrlHandlers); static ULONG NrCtrlHandlers = _NOACHS(StaticCtrlHandlers);
static ULONG CtrlHandlersArraySize = 0; static ULONG CtrlHandlersArraySize = 0;
/* Default Console Handler *****************************************************************/ /* Default Console Control Handler *******************************************/
BOOL WINAPI DefaultConsoleCtrlHandler(DWORD Event) BOOL WINAPI DefaultConsoleCtrlHandler(DWORD Event)
{ {
UINT ExitCode; UINT ExitCode;
switch(Event) switch(Event)
{ {
case CTRL_C_EVENT: case CTRL_C_EVENT:
DPRINT("Ctrl-C Event\n"); DPRINT("Ctrl-C Event\n");
// ExitProcess((UINT)&ExitCode);
break; break;
case CTRL_BREAK_EVENT: case CTRL_BREAK_EVENT:
DPRINT("Ctrl-Break Event\n"); DPRINT("Ctrl-Break Event\n");
// ExitProcess((UINT&ExitCode);
break; break;
case CTRL_SHUTDOWN_EVENT: case CTRL_SHUTDOWN_EVENT:
@ -61,9 +64,85 @@ BOOL WINAPI DefaultConsoleCtrlHandler(DWORD Event)
DPRINT("Ctrl Logoff Event\n"); DPRINT("Ctrl Logoff Event\n");
break; break;
} }
// ExitProcess((UINT)&ExitCode);
return TRUE; return TRUE;
} }
__declspec(noreturn) VOID CALLBACK ConsoleControlDispatcher(DWORD CodeAndFlag)
{
DWORD nExitCode = 0;
DWORD nCode = CodeAndFlag & MAXLONG;
UINT i;
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST);
switch(nCode)
{
case CTRL_C_EVENT:
case CTRL_BREAK_EVENT:
{
if(IsDebuggerPresent())
{
EXCEPTION_RECORD erException;
erException.ExceptionCode =
(nCode == CTRL_C_EVENT ? DBG_CONTROL_C : DBG_CONTROL_BREAK);
erException.ExceptionFlags = 0;
erException.ExceptionRecord = NULL;
erException.ExceptionAddress = &DefaultConsoleCtrlHandler;
erException.NumberParameters = 0;
RtlRaiseException(&erException);
}
RtlEnterCriticalSection(&ConsoleLock);
if(!(nCode == CTRL_C_EVENT &&
NtCurrentPeb()->ProcessParameters->ProcessGroup & 1))
{
for(i = NrCtrlHandlers; i > 0; -- i)
if(CtrlHandlers[i - 1](nCode)) break;
}
RtlLeaveCriticalSection(&ConsoleLock);
ExitThread(0);
}
case CTRL_CLOSE_EVENT:
case CTRL_LOGOFF_EVENT:
case CTRL_SHUTDOWN_EVENT:
break;
default: ExitThread(0);
}
RtlEnterCriticalSection(&ConsoleLock);
if(!(nCode == CTRL_C_EVENT &&
NtCurrentPeb()->ProcessParameters->ProcessGroup & 1))
{
i = NrCtrlHandlers;
while(i > 0)
{
if (i == 1 && (CodeAndFlag & MINLONG) &&
(nCode == CTRL_LOGOFF_EVENT || nCode == CTRL_SHUTDOWN_EVENT))
break;
if(CtrlHandlers[i - 1](nCode))
{
switch(nCode)
{
case CTRL_CLOSE_EVENT:
case CTRL_LOGOFF_EVENT:
case CTRL_SHUTDOWN_EVENT:
nExitCode = CodeAndFlag;
}
break;
}
--i;
}
}
RtlLeaveCriticalSection(&ConsoleLock);
ExitThread(nExitCode);
}
/* FUNCTIONS *****************************************************************/ /* FUNCTIONS *****************************************************************/
/* /*