Sweden-Number/scheduler/handle.c

98 lines
2.8 KiB
C

/*
* Win32 process handles
*
* Copyright 1998 Alexandre Julliard
*/
#include <assert.h>
#include <stdio.h>
#include "winbase.h"
#include "server.h"
/*********************************************************************
* CloseHandle (KERNEL32.23)
*/
BOOL WINAPI CloseHandle( HANDLE handle )
{
struct close_handle_request req = { handle };
CLIENT_SendRequest( REQ_CLOSE_HANDLE, -1, 1, &req, sizeof(req) );
return !CLIENT_WaitReply( NULL, NULL, 0 );
}
/*********************************************************************
* GetHandleInformation (KERNEL32.336)
*/
BOOL WINAPI GetHandleInformation( HANDLE handle, LPDWORD flags )
{
struct get_handle_info_request req;
struct get_handle_info_reply reply;
req.handle = handle;
CLIENT_SendRequest( REQ_GET_HANDLE_INFO, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return FALSE;
if (flags) *flags = reply.flags;
return TRUE;
}
/*********************************************************************
* SetHandleInformation (KERNEL32.653)
*/
BOOL WINAPI SetHandleInformation( HANDLE handle, DWORD mask, DWORD flags )
{
struct set_handle_info_request req;
req.handle = handle;
req.flags = flags;
req.mask = mask;
CLIENT_SendRequest( REQ_SET_HANDLE_INFO, -1, 1, &req, sizeof(req) );
return !CLIENT_WaitReply( NULL, NULL, 0 );
}
/*********************************************************************
* DuplicateHandle (KERNEL32.192)
*/
BOOL WINAPI DuplicateHandle( HANDLE source_process, HANDLE source,
HANDLE dest_process, HANDLE *dest,
DWORD access, BOOL inherit, DWORD options )
{
struct dup_handle_request req;
struct dup_handle_reply reply;
req.src_process = source_process;
req.src_handle = source;
req.dst_process = dest_process;
req.access = access;
req.inherit = inherit;
req.options = options;
CLIENT_SendRequest( REQ_DUP_HANDLE, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return FALSE;
if (dest) *dest = reply.handle;
return TRUE;
}
/***********************************************************************
* ConvertToGlobalHandle (KERNEL32)
*/
HANDLE WINAPI ConvertToGlobalHandle(HANDLE hSrc)
{
struct dup_handle_request req;
struct dup_handle_reply reply;
req.src_process = GetCurrentProcess();
req.src_handle = hSrc;
req.dst_process = -1;
req.access = 0;
req.inherit = FALSE;
req.options = DUP_HANDLE_MAKE_GLOBAL | DUP_HANDLE_SAME_ACCESS;
CLIENT_SendRequest( REQ_DUP_HANDLE, -1, 1, &req, sizeof(req) );
CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL );
return reply.handle;
}