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 <unistd.h>
  10 #include "winbase.h"
  11 #include "wine/server.h"
  12 #include "winerror.h"
  13 #include "debugtools.h"
  14
  15 DEFAULT_DEBUG_CHANNEL(win32);
  16
  17 /*********************************************************************
  18  *           CloseW32Handle (KERNEL.474)
  19  *           CloseHandle    (KERNEL32.@)
  20  */
  21 BOOL WINAPI CloseHandle( HANDLE handle )
  22 {
  23     NTSTATUS status;
  24
  25     /* stdio handles need special treatment */
  26     if ((handle == STD_INPUT_HANDLE) ||
  27         (handle == STD_OUTPUT_HANDLE) ||
  28         (handle == STD_ERROR_HANDLE))
  29         handle = GetStdHandle( handle );
  30
  31     status = NtClose( handle );
  32     if (status) SetLastError( RtlNtStatusToDosError(status) );
  33     return !status;
  34 }
  35
  36
  37 /*********************************************************************
  38  *           GetHandleInformation   (KERNEL32.@)
  39  */
  40 BOOL WINAPI GetHandleInformation( HANDLE handle, LPDWORD flags )
  41 {
  42     BOOL ret;
  43     SERVER_START_REQ( set_handle_info )
  44     {
  45         req->handle = handle;
  46         req->flags  = 0;
  47         req->mask   = 0;
  48         req->fd     = -1;
  49         ret = !SERVER_CALL_ERR();
  50         if (ret && flags) *flags = req->old_flags;
  51     }
  52     SERVER_END_REQ;
  53     return ret;
  54 }
  55
  56
  57 /*********************************************************************
  58  *           SetHandleInformation   (KERNEL32.@)
  59  */
  60 BOOL WINAPI SetHandleInformation( HANDLE handle, DWORD mask, DWORD flags )
  61 {
  62     BOOL ret;
  63     SERVER_START_REQ( set_handle_info )
  64     {
  65         req->handle = handle;
  66         req->flags  = flags;
  67         req->mask   = mask;
  68         req->fd     = -1;
  69         ret = !SERVER_CALL_ERR();
  70     }
  71     SERVER_END_REQ;
  72     return ret;
  73 }
  74
  75
  76 /*********************************************************************
  77  *           DuplicateHandle   (KERNEL32.@)
  78  */
  79 BOOL WINAPI DuplicateHandle( HANDLE source_process, HANDLE source,
  80                                HANDLE dest_process, HANDLE *dest,
  81                                DWORD access, BOOL inherit, DWORD options )
  82 {
  83     BOOL ret;
  84     SERVER_START_REQ( dup_handle )
  85     {
  86         req->src_process = source_process;
  87         req->src_handle  = source;
  88         req->dst_process = dest_process;
  89         req->access      = access;
  90         req->inherit     = inherit;
  91         req->options     = options;
  92
  93         ret = !SERVER_CALL_ERR();
  94         if (ret)
  95         {
  96             if (dest) *dest = req->handle;
  97             if (req->fd != -1) close( req->fd );
  98         }
  99     }
 100     SERVER_END_REQ;
 101     return ret;
 102 }
 103
 104
 105 /***********************************************************************
 106  *           ConvertToGlobalHandle              (KERNEL.476)
 107  *           ConvertToGlobalHandle              (KERNEL32.@)
 108  */
 109 HANDLE WINAPI ConvertToGlobalHandle(HANDLE hSrc)
 110 {
 111     HANDLE ret = INVALID_HANDLE_VALUE;
 112     DuplicateHandle( GetCurrentProcess(), hSrc, GetCurrentProcess(), &ret, 0, FALSE,
 113                      DUP_HANDLE_MAKE_GLOBAL | DUP_HANDLE_SAME_ACCESS | DUP_HANDLE_CLOSE_SOURCE );
 114     return ret;
 115 }
 116
 117 /***********************************************************************
 118  *           SetHandleContext                   (KERNEL32.@)
 119  */
 120 BOOL WINAPI SetHandleContext(HANDLE hnd,DWORD context) {
 121     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);
 122     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 123     return FALSE;
 124 }
 125
 126 /***********************************************************************
 127  *           GetHandleContext                   (KERNEL32.@)
 128  */
 129 DWORD WINAPI GetHandleContext(HANDLE hnd) {
 130     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);
 131     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 132     return 0;
 133 }
 134
 135 /***********************************************************************
 136  *           CreateSocketHandle                 (KERNEL32.@)
 137  */
 138 HANDLE WINAPI CreateSocketHandle(void) {
 139     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");
 140     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 141     return INVALID_HANDLE_VALUE;
 142 }