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
);