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This whole while is dead.
///*++
//Copyright (c) 1990 Microsoft Corporation
//Module Name:
// srvatom.c
//Abstract:
// This file contains the Global Atom manager API routines
//Author:
// Steve Wood (stevewo) 29-Oct-1990
//Revision History:
//--*/
//#include "basesrv.h"
////
//// Pointer to User function that returns a pointer to the
//// global atom table associated with the windowstation
//// userd by the specified thread.
////
//NTSTATUS (*_UserGetGlobalAtomTable)(
// HANDLE hThread,
// PVOID *GlobalAtomTable
// );
////
//// Pointer to User function that sets a pointer to the
//// global atom table into the windowstation associated
//// with the specified thread.
////
//NTSTATUS (*_UserSetGlobalAtomTable)(
// HANDLE hThread,
// PVOID GlobalAtomTable
// );
//NTSTATUS
//BaseSrvGetGlobalAtomTable(
// PVOID *GlobalAtomTable
// )
//{
// STRING ProcedureName;
// ANSI_STRING DllName;
// UNICODE_STRING DllName_U;
// HANDLE UserServerModuleHandle;
// static BOOL fInit = FALSE;
// NTSTATUS Status;
// if ( _UserGetGlobalAtomTable == NULL ) {
// if ( fInit == TRUE ) {
// //
// // If the exported atom routines cannot be found, deny access
// //
// return( STATUS_ACCESS_DENIED );
// }
// fInit = TRUE;
// //
// // Load pointers to the functions in winsrv.dll
// //
// RtlInitAnsiString( &DllName, "winsrv" );
// RtlAnsiStringToUnicodeString( &DllName_U, &DllName, TRUE );
// Status = LdrGetDllHandle(
// UNICODE_NULL,
// NULL,
// &DllName_U,
// (PVOID *)&UserServerModuleHandle
// );
// RtlFreeUnicodeString( &DllName_U );
// if ( NT_SUCCESS(Status) ) {
// //
// // Now get the routined to query and set the
// // atom table pointer.
// //
// RtlInitString( &ProcedureName, "_UserGetGlobalAtomTable" );
// Status = LdrGetProcedureAddress(
// (PVOID)UserServerModuleHandle,
// &ProcedureName,
// 0L,
// (PVOID *)&_UserGetGlobalAtomTable
// );
// RtlInitString( &ProcedureName, "_UserSetGlobalAtomTable" );
// Status = LdrGetProcedureAddress(
// (PVOID)UserServerModuleHandle,
// &ProcedureName,
// 0L,
// (PVOID *)&_UserSetGlobalAtomTable
// );
// }
// //
// // Deny access upon failure
// //
// if ( !NT_SUCCESS(Status) )
// return( STATUS_ACCESS_DENIED );
// }
// Status = (*_UserGetGlobalAtomTable)(
// CSR_SERVER_QUERYCLIENTTHREAD()->ThreadHandle,
// GlobalAtomTable);
// if ( !NT_SUCCESS(Status) ) {
// return Status;
// }
//
// //
// // Lock the heap until the call is complete.
// //
// RtlLockHeap( BaseSrvHeap );
// //
// // If there is an atom table, return it.
// //
// if ( *GlobalAtomTable ) {
// return STATUS_SUCCESS;
// }
// Status = BaseRtlCreateAtomTable( 37,
// (USHORT)~MAXINTATOM,
// GlobalAtomTable
// );
// if ( NT_SUCCESS(Status) ) {
// Status = (*_UserSetGlobalAtomTable)(
// CSR_SERVER_QUERYCLIENTTHREAD()->ThreadHandle,
// *GlobalAtomTable);
// if ( !NT_SUCCESS(Status) ) {
// BaseRtlDestroyAtomTable( *GlobalAtomTable );
// }
// }
// if ( !NT_SUCCESS(Status) ) {
// RtlUnlockHeap( BaseSrvHeap );
// }
// return Status;
//}
//ULONG
//BaseSrvDestroyGlobalAtomTable(
// IN OUT PCSR_API_MSG m,
// IN OUT PCSR_REPLY_STATUS ReplyStatus
// )
//{
// PBASE_DESTROYGLOBALATOMTABLE_MSG a = (PBASE_DESTROYGLOBALATOMTABLE_MSG)&m->u.ApiMessageData;
// return BaseRtlDestroyAtomTable(a->GlobalAtomTable);
//}
//ULONG
//BaseSrvGlobalAddAtom(
// IN OUT PCSR_API_MSG m,
// IN OUT PCSR_REPLY_STATUS ReplyStatus
// )
//{
// PBASE_GLOBALATOMNAME_MSG a = (PBASE_GLOBALATOMNAME_MSG)&m->u.ApiMessageData;
// PVOID GlobalAtomTable;
// NTSTATUS Status;
// UNICODE_STRING AtomName;
// AtomName = a->AtomName;
// if (a->AtomNameInClient) {
// AtomName.Buffer = RtlAllocateHeap( BaseSrvHeap,
// MAKE_TAG( TMP_TAG ),
// AtomName.Length
// );
// if (AtomName.Buffer == NULL) {
// return (ULONG)STATUS_NO_MEMORY;
// }
// Status = NtReadVirtualMemory( CSR_SERVER_QUERYCLIENTTHREAD()->Process->ProcessHandle,
// a->AtomName.Buffer,
// AtomName.Buffer,
// AtomName.Length,
// NULL
// );
// }
// else {
// Status = STATUS_SUCCESS;
// }
// if (NT_SUCCESS( Status )) {
// Status = BaseSrvGetGlobalAtomTable(&GlobalAtomTable);
// if (NT_SUCCESS( Status )) {
// Status = BaseRtlAddAtomToAtomTable( GlobalAtomTable,
// &AtomName,
// NULL,
// &a->Atom
// );
// RtlUnlockHeap( BaseSrvHeap );
// }
// }
// if (a->AtomNameInClient) {
// RtlFreeHeap( BaseSrvHeap, 0, AtomName.Buffer );
// }
// return( (ULONG)Status );
// ReplyStatus; // get rid of unreferenced parameter warning message
//}
//ULONG
//BaseSrvGlobalFindAtom(
// IN OUT PCSR_API_MSG m,
// IN OUT PCSR_REPLY_STATUS ReplyStatus
// )
//{
// PBASE_GLOBALATOMNAME_MSG a = (PBASE_GLOBALATOMNAME_MSG)&m->u.ApiMessageData;
// PVOID GlobalAtomTable;
// UNICODE_STRING AtomName;
// NTSTATUS Status;
// AtomName = a->AtomName;
// if (a->AtomNameInClient) {
// AtomName.Buffer = RtlAllocateHeap( BaseSrvHeap,
// MAKE_TAG( TMP_TAG ),
// AtomName.Length
// );
// if (AtomName.Buffer == NULL) {
// return (ULONG)STATUS_NO_MEMORY;
// }
// Status = NtReadVirtualMemory( CSR_SERVER_QUERYCLIENTTHREAD()->Process->ProcessHandle,
// a->AtomName.Buffer,
// AtomName.Buffer,
// AtomName.Length,
// NULL
// );
// }
// else {
// Status = STATUS_SUCCESS;
// }
// if (NT_SUCCESS( Status )) {
// Status = BaseSrvGetGlobalAtomTable(&GlobalAtomTable);
// if (NT_SUCCESS( Status )) {
// Status = BaseRtlLookupAtomInAtomTable( GlobalAtomTable,
// &AtomName,
// NULL,
// &a->Atom
// );
// RtlUnlockHeap( BaseSrvHeap );
// }
// }
// if (a->AtomNameInClient) {
// RtlFreeHeap( BaseSrvHeap, 0, AtomName.Buffer );
// }
// return( (ULONG)Status );
// ReplyStatus; // get rid of unreferenced parameter warning message
//}
//ULONG
//BaseSrvGlobalDeleteAtom(
// IN OUT PCSR_API_MSG m,
// IN OUT PCSR_REPLY_STATUS ReplyStatus
// )
//{
// PBASE_GLOBALDELETEATOM_MSG a = (PBASE_GLOBALDELETEATOM_MSG)&m->u.ApiMessageData;
// PVOID GlobalAtomTable;
// NTSTATUS Status;
// Status = BaseSrvGetGlobalAtomTable(&GlobalAtomTable);
// if (NT_SUCCESS( Status )) {
// Status = BaseRtlDeleteAtomFromAtomTable( GlobalAtomTable,
// a->Atom
// );
// RtlUnlockHeap( BaseSrvHeap );
// }
// return( (ULONG)Status );
// ReplyStatus; // get rid of unreferenced parameter warning message
//}
//ULONG
//BaseSrvGlobalGetAtomName(
// IN OUT PCSR_API_MSG m,
// IN OUT PCSR_REPLY_STATUS ReplyStatus
// )
//{
// PBASE_GLOBALATOMNAME_MSG a = (PBASE_GLOBALATOMNAME_MSG)&m->u.ApiMessageData;
// UNICODE_STRING AtomName;
// PVOID GlobalAtomTable;
// NTSTATUS Status;
// AtomName = a->AtomName;
// if (a->AtomNameInClient) {
// AtomName.Buffer = RtlAllocateHeap( BaseSrvHeap,
// MAKE_TAG( TMP_TAG ),
// AtomName.MaximumLength
// );
// if (AtomName.Buffer == NULL) {
// return (ULONG)STATUS_NO_MEMORY;
// }
// }
// Status = BaseSrvGetGlobalAtomTable(&GlobalAtomTable);
// if (NT_SUCCESS( Status )) {
// Status = BaseRtlQueryAtomInAtomTable( GlobalAtomTable,
// a->Atom,
// &AtomName,
// NULL,
// NULL
// );
// a->AtomName.Length = AtomName.Length;
// if (NT_SUCCESS( Status ) && a->AtomNameInClient) {
// Status = NtWriteVirtualMemory( CSR_SERVER_QUERYCLIENTTHREAD()->Process->ProcessHandle,
// a->AtomName.Buffer,
// AtomName.Buffer,
// AtomName.Length,
// NULL
// );
// }
// RtlUnlockHeap( BaseSrvHeap );
// }
// if (a->AtomNameInClient) {
// RtlFreeHeap( BaseSrvHeap, 0, AtomName.Buffer );
// }
// return( (ULONG)Status );
// ReplyStatus; // get rid of unreferenced parameter warning message
//}
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