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Call 16-bit instead of 32-bit UserSignalProc entry point. 

Don't load USER32.DLL unless requested by the program.
Bugfix: Pass the correct thread ID to UserSignalProc.
This commit is contained in:
Ulrich Weigand 1999-12-05 02:48:53 +00:00 committed by Alexandre Julliard
parent cd841a4a86
commit 979000e038
5 changed files with 21 additions and 37 deletions
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3
if1632/thunk.c
View File

@ -41,6 +41,7 @@ extern LONG CALLBACK THUNK_CallTo16_long_ll (FARPROC16,LONG,LONG);
extern WORD CALLBACK THUNK_CallTo16_word_www (FARPROC16,WORD,WORD,WORD);
extern WORD CALLBACK THUNK_CallTo16_word_wwl (FARPROC16,WORD,WORD,LONG);
extern WORD CALLBACK THUNK_CallTo16_word_wlw (FARPROC16,WORD,LONG,WORD);
extern WORD CALLBACK THUNK_CallTo16_word_lllw (FARPROC16,LONG,LONG,LONG,WORD);
extern WORD CALLBACK THUNK_CallTo16_word_llwl (FARPROC16,LONG,LONG,WORD,LONG);
extern WORD CALLBACK THUNK_CallTo16_word_lwww (FARPROC16,LONG,WORD,WORD,WORD);
extern WORD CALLBACK THUNK_CallTo16_word_wlww (FARPROC16,WORD,LONG,WORD,WORD);
@ -374,7 +375,6 @@ void THUNK_InitCallout(void)
GETADDR( DispatchMessageW, "DispatchMessageW" );
GETADDR( DispatchMessageA, "DispatchMessageA" );
GETADDR( RedrawWindow, "RedrawWindow" );
GETADDR( UserSignalProc, "UserSignalProc" );
#undef GETADDR
}
@ -399,6 +399,7 @@ void THUNK_InitCallout(void)
GETADDR( InitThreadInput16, "InitThreadInput", word_ww );
GETADDR( UserYield16, "UserYield", word_ );
GETADDR( DestroyIcon32, "DestroyIcon32", word_ww );
GETADDR( UserSignalProc, "SignalProc32", word_lllw );
#undef GETADDR
}

2
include/process.h
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@ -156,7 +156,7 @@ extern BOOL PROCESS_Init( void );
extern BOOL PROCESS_IsCurrent( HANDLE handle );
extern PDB *PROCESS_Initial(void);
extern PDB *PROCESS_IdToPDB( DWORD id );
extern void PROCESS_CallUserSignalProc( UINT uCode, HMODULE hModule );
extern void PROCESS_CallUserSignalProc( UINT uCode, DWORD dwThreadId, HMODULE hModule );
extern PDB *PROCESS_Create( struct _NE_MODULE *pModule,
LPCSTR cmd_line, LPCSTR env,
LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa,

7
loader/task.c
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@ -462,9 +462,9 @@ void TASK_KillTask( HTASK16 hTask )
/* Perform USER cleanup */
TASK_CallTaskSignalProc( USIG16_TERMINATION, hTask );
PROCESS_CallUserSignalProc( USIG_PROCESS_EXIT, 0 );
PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, 0 ); /* FIXME */
PROCESS_CallUserSignalProc( USIG_PROCESS_DESTROY, 0 );
PROCESS_CallUserSignalProc( USIG_PROCESS_EXIT, 0, 0 );
PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, GetCurrentThreadId(), 0 );
PROCESS_CallUserSignalProc( USIG_PROCESS_DESTROY, 0, 0 );
if (nTaskCount <= 1)
{
@ -716,6 +716,7 @@ void WINAPI InitTask16( CONTEXT86 *context )
/* Initialize implicitly loaded DLLs */
NE_InitializeDLLs( pTask->hModule );
NE_DllProcessAttach( pTask->hModule );
/* Registers on return are:
* ax 1 if OK, 0 on error

38
scheduler/process.c
View File

@ -185,9 +185,10 @@ PDB *PROCESS_IdToPDB( DWORD id )
* USIG_FLAGS_FAULT
* The signal is being sent due to a fault.
*/
static void PROCESS_CallUserSignalProcHelper( UINT uCode, DWORD dwThreadOrProcessId,
HMODULE hModule, DWORD flags, DWORD startup_flags )
void PROCESS_CallUserSignalProc( UINT uCode, DWORD dwThreadId, HMODULE hModule )
{
DWORD flags = PROCESS_Current()->flags;
DWORD startup_flags = PROCESS_Current()->env_db->startup_info->dwFlags;
DWORD dwFlags = 0;
/* Determine dwFlags */
@ -217,26 +218,12 @@ static void PROCESS_CallUserSignalProcHelper( UINT uCode, DWORD dwThreadOrProces
/* Call USER signal proc */
if ( Callout.UserSignalProc )
Callout.UserSignalProc( uCode, dwThreadOrProcessId, dwFlags, hModule );
}
/* Call USER signal proc for the current thread/process */
void PROCESS_CallUserSignalProc( UINT uCode, HMODULE hModule )
{
DWORD dwThreadOrProcessId;
/* Get thread or process ID */
if ( uCode == USIG_THREAD_INIT || uCode == USIG_THREAD_EXIT )
dwThreadOrProcessId = GetCurrentThreadId();
Callout.UserSignalProc( uCode, dwThreadId, dwFlags, hModule );
else
dwThreadOrProcessId = GetCurrentProcessId();
PROCESS_CallUserSignalProcHelper( uCode, dwThreadOrProcessId, hModule,
PROCESS_Current()->flags,
PROCESS_Current()->env_db->startup_info->dwFlags );
Callout.UserSignalProc( uCode, GetCurrentProcessId(), dwFlags, hModule );
}
/***********************************************************************
* PROCESS_CreateEnvDB
*
@ -436,14 +423,9 @@ void PROCESS_Start(void)
* in the case of a 16-bit process. Thus, we send the signal here.
*/
/* Load USER32.DLL before calling UserSignalProc (relay debugging!) */
LoadLibraryA( "USER32.DLL" );
PROCESS_CallUserSignalProc( USIG_PROCESS_CREATE, 0 );
PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0 ); /* for initial thread */
PROCESS_CallUserSignalProc( USIG_PROCESS_INIT, 0 );
PROCESS_CallUserSignalProc( USIG_PROCESS_CREATE, 0, 0 );
PROCESS_CallUserSignalProc( USIG_THREAD_INIT, GetCurrentThreadId(), 0 );
PROCESS_CallUserSignalProc( USIG_PROCESS_INIT, 0, 0 );
/* Signal the parent process to continue */
server_call( REQ_INIT_PROCESS_DONE );
@ -468,7 +450,7 @@ void PROCESS_Start(void)
PE_InitTls();
}
PROCESS_CallUserSignalProc( USIG_PROCESS_LOADED, 0 ); /* FIXME: correct location? */
PROCESS_CallUserSignalProc( USIG_PROCESS_LOADED, 0, 0 ); /* FIXME: correct location? */
if ( (pdb->flags & PDB32_CONSOLE_PROC) || (pdb->flags & PDB32_DOS_PROC) )
AllocConsole();
@ -485,7 +467,7 @@ void PROCESS_Start(void)
TASK_AddTaskEntryBreakpoint( pdb->task );
/* Now call the entry point */
PROCESS_CallUserSignalProc( USIG_PROCESS_RUNNING, 0 );
PROCESS_CallUserSignalProc( USIG_PROCESS_RUNNING, 0, 0 );
switch ( type )
{

4
scheduler/thread.c
View File

@ -150,7 +150,7 @@ void CALLBACK THREAD_FreeTEB( ULONG_PTR arg )
TRACE("(%p) called\n", teb );
SERVICE_Delete( teb->cleanup );
PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, 0 );
PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, (DWORD)teb->tid, 0 );
CloseHandle( teb->event );
while (*pptr && (*pptr != teb)) pptr = &(*pptr)->next;
@ -277,7 +277,7 @@ error:
static void THREAD_Start(void)
{
LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)NtCurrentTeb()->entry_point;
PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0 );
PROCESS_CallUserSignalProc( USIG_THREAD_INIT, (DWORD)NtCurrentTeb()->tid, 0 );
PE_InitTls();
MODULE_DllThreadAttach( NULL );