windows-nt/Source/XPSP1/NT/base/subsys/csr/csrss/csrss.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
csrss.c
Abstract:
This is the main startup module for the Server side of the Client
Server Runtime Subsystem (CSRSS)
Author:
Steve Wood (stevewo) 8-Oct-1990
Environment:
User Mode Only
Revision History:
--*/
#include "csrsrv.h"
VOID
DisableErrorPopups(
VOID
)
{
ULONG NewMode;
NewMode = 0;
NtSetInformationProcess(
NtCurrentProcess(),
ProcessDefaultHardErrorMode,
(PVOID) &NewMode,
sizeof(NewMode)
);
}
int
_cdecl
main(
IN ULONG argc,
IN PCH argv[],
IN PCH envp[],
IN ULONG DebugFlag OPTIONAL
)
{
NTSTATUS status;
ULONG ErrorResponse;
KPRIORITY SetBasePriority;
//
// Force early creation of critical section events
//
// RtlEnableEarlyCriticalSectionEventCreation (); // Looping inside resource package now
SetBasePriority = FOREGROUND_BASE_PRIORITY + 4;
NtSetInformationProcess(
NtCurrentProcess(),
ProcessBasePriority,
(PVOID) &SetBasePriority,
sizeof(SetBasePriority)
);
//
// Give IOPL to the server so GDI and the display drivers can access the
// video registers.
//
status = NtSetInformationProcess( NtCurrentProcess(),
ProcessUserModeIOPL,
NULL,
0 );
if (!NT_SUCCESS( status )) {
IF_DEBUG {
DbgPrint( "CSRSS: Unable to give IOPL to the server. status == %X\n",
status);
}
status = NtRaiseHardError( (NTSTATUS)STATUS_IO_PRIVILEGE_FAILED,
0,
0,
NULL,
OptionOk,
&ErrorResponse
);
}
status = CsrServerInitialization( argc, argv );
if (!NT_SUCCESS( status )) {
IF_DEBUG {
DbgPrint( "CSRSS: Unable to initialize server. status == %X\n",
status
);
}
NtTerminateProcess( NtCurrentProcess(), status );
}
DisableErrorPopups();
if (NtCurrentPeb()->SessionId == 0) {
//
// Make terminating the root csrss fatal
//
RtlSetProcessIsCritical(TRUE, NULL, FALSE);
}
NtTerminateThread( NtCurrentThread(), status );
return( 0 );
}