4 * Copyright 1995 Alexandre Julliard
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.
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.
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
22 #include "wine/port.h"
38 #include "wine/winbase16.h"
45 #include "selectors.h"
46 #include "wine/server.h"
47 #include "stackframe.h"
52 #include "wine/debug.h"
54 WINE_DEFAULT_DEBUG_CHANNEL(task);
56 static THHOOK DefaultThhook;
57 THHOOK *pThhook = &DefaultThhook;
59 #define hFirstTask (pThhook->HeadTDB)
61 /***********************************************************************
64 static TDB *TASK_GetPtr( HTASK16 hTask )
66 return GlobalLock16( hTask );
70 /***********************************************************************
71 * GetCurrentTask (KERNEL32.@)
73 HTASK16 WINAPI GetCurrentTask(void)
75 return NtCurrentTeb()->htask16;
78 /***********************************************************************
81 static inline HMODULE16 GetExePtrHelper( HANDLE16 handle, HTASK16 *hTask )
86 /* Check for module handle */
88 if (!(ptr = GlobalLock16( handle ))) return 0;
89 if (((NE_MODULE *)ptr)->magic == IMAGE_OS2_SIGNATURE) return handle;
91 /* Search for this handle inside all tasks */
96 TDB *pTask = TASK_GetPtr( *hTask );
97 if ((*hTask == handle) ||
98 (pTask->hInstance == handle) ||
99 (pTask->hQueue == handle) ||
100 (pTask->hPDB == handle)) return pTask->hModule;
101 *hTask = pTask->hNext;
104 /* Check the owner for module handle */
106 owner = FarGetOwner16( handle );
107 if (!(ptr = GlobalLock16( owner ))) return 0;
108 if (((NE_MODULE *)ptr)->magic == IMAGE_OS2_SIGNATURE) return owner;
110 /* Search for the owner inside all tasks */
115 TDB *pTask = TASK_GetPtr( *hTask );
116 if ((*hTask == owner) ||
117 (pTask->hInstance == owner) ||
118 (pTask->hQueue == owner) ||
119 (pTask->hPDB == owner)) return pTask->hModule;
120 *hTask = pTask->hNext;
126 /***********************************************************************
129 HMODULE16 WINAPI GetExePtr( HANDLE16 handle )
132 return GetExePtrHelper( handle, &hTask );