scheduler/handle.c

   1 /*
   2  * Win32 process handles
   3  *
   4  * Copyright 1998 Alexandre Julliard
   5  */
   6
   7 #include <assert.h>
   8 #include <stdio.h>
   9 #include "winbase.h"
  10 #include "server.h"
  11 #include "winerror.h"
  12 #include "debugtools.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(win32)
  15
  16 /*********************************************************************
  17  *           CloseHandle   (KERNEL32.23)
  18  */
  19 BOOL WINAPI CloseHandle( HANDLE handle )
  20 {
  21     NTSTATUS status;
  22
  23     /* stdio handles need special treatment */
  24     if ((handle == STD_INPUT_HANDLE) ||
  25         (handle == STD_OUTPUT_HANDLE) ||
  26         (handle == STD_ERROR_HANDLE))
  27         handle = GetStdHandle( handle );
  28
  29     status = NtClose( handle );
  30     if (status) SetLastError( RtlNtStatusToDosError(status) );
  31     return !status;
  32 }
  33
  34
  35 /*********************************************************************
  36  *           GetHandleInformation   (KERNEL32.336)
  37  */
  38 BOOL WINAPI GetHandleInformation( HANDLE handle, LPDWORD flags )
  39 {
  40     BOOL ret;
  41     SERVER_START_REQ
  42     {
  43         struct get_handle_info_request *req = server_alloc_req( sizeof(*req), 0 );
  44         req->handle = handle;
  45         ret = !server_call( REQ_GET_HANDLE_INFO );
  46         if (ret && flags) *flags = req->flags;
  47     }
  48     SERVER_END_REQ;
  49     return ret;
  50 }
  51
  52
  53 /*********************************************************************
  54  *           SetHandleInformation   (KERNEL32.653)
  55  */
  56 BOOL WINAPI SetHandleInformation( HANDLE handle, DWORD mask, DWORD flags )
  57 {
  58     BOOL ret;
  59     SERVER_START_REQ
  60     {
  61         struct set_handle_info_request *req = server_alloc_req( sizeof(*req), 0 );
  62         req->handle = handle;
  63         req->flags  = flags;
  64         req->mask   = mask;
  65         ret = !server_call( REQ_SET_HANDLE_INFO );
  66     }
  67     SERVER_END_REQ;
  68     return ret;
  69 }
  70
  71
  72 /*********************************************************************
  73  *           DuplicateHandle   (KERNEL32.192)
  74  */
  75 BOOL WINAPI DuplicateHandle( HANDLE source_process, HANDLE source,
  76                                HANDLE dest_process, HANDLE *dest,
  77                                DWORD access, BOOL inherit, DWORD options )
  78 {
  79     BOOL ret;
  80     SERVER_START_REQ
  81     {
  82         struct dup_handle_request *req = server_alloc_req( sizeof(*req), 0 );
  83
  84         req->src_process = source_process;
  85         req->src_handle  = source;
  86         req->dst_process = dest_process;
  87         req->access      = access;
  88         req->inherit     = inherit;
  89         req->options     = options;
  90
  91         ret = !server_call( REQ_DUP_HANDLE );
  92         if (ret && dest) *dest = req->handle;
  93     }
  94     SERVER_END_REQ;
  95     return ret;
  96 }
  97
  98
  99 /***********************************************************************
 100  *           ConvertToGlobalHandle              (KERNEL32)
 101  */
 102 HANDLE WINAPI ConvertToGlobalHandle(HANDLE hSrc)
 103 {
 104     HANDLE ret = -1;
 105     DuplicateHandle( GetCurrentProcess(), hSrc, (HANDLE)-1, &ret, 0, FALSE,
 106                      DUP_HANDLE_MAKE_GLOBAL | DUP_HANDLE_SAME_ACCESS | DUP_HANDLE_CLOSE_SOURCE );
 107     return ret;
 108 }
 109
 110 /***********************************************************************
 111  *           SetHandleContext                   (KERNEL32)
 112  */
 113 BOOL WINAPI SetHandleContext(HANDLE hnd,DWORD context) {
 114     FIXME("(%d,%ld), stub. In case this got called by WSOCK32/WS2_32: the external WINSOCK DLLs won't work with WINE, don't use them.\n",hnd,context);
 115     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 116     return FALSE;
 117 }
 118
 119 /***********************************************************************
 120  *           GetHandleContext                   (KERNEL32)
 121  */
 122 DWORD WINAPI GetHandleContext(HANDLE hnd) {
 123     FIXME("(%d), stub. In case this got called by WSOCK32/WS2_32: the external WINSOCK DLLs won't work with WINE, don't use them.\n",hnd);
 124     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 125     return 0;
 126 }
 127
 128 /***********************************************************************
 129  *           CreateSocketHandle                 (KERNEL32)
 130  */
 131 HANDLE WINAPI CreateSocketHandle(void) {
 132     FIXME("(), stub. In case this got called by WSOCK32/WS2_32: the external WINSOCK DLLs won't work with WINE, don't use them.\n");
 133     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 134     return INVALID_HANDLE_VALUE;
 135 }