scheduler/handle.c

   1 /*
   2  * Win32 process handles
   3  *
   4  * Copyright 1998 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <assert.h>
  24 #include <stdio.h>
  25 #ifdef HAVE_IO_H
  26 # include <io.h>
  27 #endif
  28 #ifdef HAVE_UNISTD_H
  29 # include <unistd.h>
  30 #endif
  31 #include "winbase.h"
  32 #include "wine/server.h"
  33 #include "winerror.h"
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(win32);
  37
  38 /*********************************************************************
  39  *           CloseW32Handle (KERNEL.474)
  40  *           CloseHandle    (KERNEL32.@)
  41  */
  42 BOOL WINAPI CloseHandle( HANDLE handle )
  43 {
  44     NTSTATUS status;
  45
  46     /* stdio handles need special treatment */
  47     if ((handle == (HANDLE)STD_INPUT_HANDLE) ||
  48         (handle == (HANDLE)STD_OUTPUT_HANDLE) ||
  49         (handle == (HANDLE)STD_ERROR_HANDLE))
  50         handle = GetStdHandle( (DWORD)handle );
  51
  52     status = NtClose( handle );
  53     if (status) SetLastError( RtlNtStatusToDosError(status) );
  54     return !status;
  55 }
  56
  57
  58 /*********************************************************************
  59  *           GetHandleInformation   (KERNEL32.@)
  60  */
  61 BOOL WINAPI GetHandleInformation( HANDLE handle, LPDWORD flags )
  62 {
  63     BOOL ret;
  64     SERVER_START_REQ( set_handle_info )
  65     {
  66         req->handle = handle;
  67         req->flags  = 0;
  68         req->mask   = 0;
  69         req->fd     = -1;
  70         ret = !wine_server_call_err( req );
  71         if (ret && flags) *flags = reply->old_flags;
  72     }
  73     SERVER_END_REQ;
  74     return ret;
  75 }
  76
  77
  78 /*********************************************************************
  79  *           SetHandleInformation   (KERNEL32.@)
  80  */
  81 BOOL WINAPI SetHandleInformation( HANDLE handle, DWORD mask, DWORD flags )
  82 {
  83     BOOL ret;
  84     SERVER_START_REQ( set_handle_info )
  85     {
  86         req->handle = handle;
  87         req->flags  = flags;
  88         req->mask   = mask;
  89         req->fd     = -1;
  90         ret = !wine_server_call_err( req );
  91     }
  92     SERVER_END_REQ;
  93     return ret;
  94 }
  95
  96
  97 /*********************************************************************
  98  *           DuplicateHandle   (KERNEL32.@)
  99  */
 100 BOOL WINAPI DuplicateHandle( HANDLE source_process, HANDLE source,
 101                              HANDLE dest_process, HANDLE *dest,
 102                              DWORD access, BOOL inherit, DWORD options )
 103 {
 104     NTSTATUS status = NtDuplicateObject( source_process, source, dest_process, dest,
 105                                          access, inherit ? OBJ_INHERIT : 0, options );
 106     if (status) SetLastError( RtlNtStatusToDosError(status) );
 107     return !status;
 108 }
 109
 110
 111 /***********************************************************************
 112  *           ConvertToGlobalHandle              (KERNEL.476)
 113  *           ConvertToGlobalHandle              (KERNEL32.@)
 114  */
 115 HANDLE WINAPI ConvertToGlobalHandle(HANDLE hSrc)
 116 {
 117     HANDLE ret = INVALID_HANDLE_VALUE;
 118     DuplicateHandle( GetCurrentProcess(), hSrc, GetCurrentProcess(), &ret, 0, FALSE,
 119                      DUP_HANDLE_MAKE_GLOBAL | DUP_HANDLE_SAME_ACCESS | DUP_HANDLE_CLOSE_SOURCE );
 120     return ret;
 121 }
 122
 123 /***********************************************************************
 124  *           SetHandleContext                   (KERNEL32.@)
 125  */
 126 BOOL WINAPI SetHandleContext(HANDLE hnd,DWORD context) {
 127     FIXME("(%p,%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);
 128     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 129     return FALSE;
 130 }
 131
 132 /***********************************************************************
 133  *           GetHandleContext                   (KERNEL32.@)
 134  */
 135 DWORD WINAPI GetHandleContext(HANDLE hnd) {
 136     FIXME("(%p), 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);
 137     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 138     return 0;
 139 }
 140
 141 /***********************************************************************
 142  *           CreateSocketHandle                 (KERNEL32.@)
 143  */
 144 HANDLE WINAPI CreateSocketHandle(void) {
 145     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");
 146     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 147     return INVALID_HANDLE_VALUE;
 148 }