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Fixed several bugs with DLL initialization.

This commit is contained in:
Ulrich Weigand 1998-10-23 09:37:23 +00:00 committed by Alexandre Julliard
parent a763ed9786
commit ebc543cdb0
1 changed files with 80 additions and 24 deletions
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104
loader/module.c
View File

@ -70,20 +70,14 @@ MODULE32_LookupHMODULE(PDB32 *process,HMODULE32 hmod) {
* from itself, but also via LoadLibrary from one of the called initialization
* routines.)
*/
void MODULE_InitializeDLLs( PDB32 *process, HMODULE32 root,
DWORD type, LPVOID lpReserved )
static void MODULE_DoInitializeDLLs( PDB32 *process, WINE_MODREF *wm,
DWORD type, LPVOID lpReserved )
{
WINE_MODREF *wm = MODULE32_LookupHMODULE( process, root );
int i;
if (!wm) return;
/* If called for main EXE, check for invalid recursion */
if ( !root && wm->initDone )
{
FIXME(module, "Invalid recursion!\n");
return;
}
assert( wm && !wm->initDone );
TRACE( module, "(%p,%08x,%ld,%p) - START\n",
process, wm->module, type, lpReserved );
/* Tag current MODREF to prevent recursive loop */
wm->initDone = TRUE;
@ -91,8 +85,8 @@ void MODULE_InitializeDLLs( PDB32 *process, HMODULE32 root,
/* Recursively initialize all child DLLs */
for ( i = 0; i < wm->nDeps; i++ )
if ( wm->deps[i] && !wm->deps[i]->initDone )
MODULE_InitializeDLLs( process,
wm->deps[i]->module, type, lpReserved );
MODULE_DoInitializeDLLs( process,
wm->deps[i], type, lpReserved );
/* Now we can call the initialization routine */
switch ( wm->type )
@ -106,15 +100,72 @@ void MODULE_InitializeDLLs( PDB32 *process, HMODULE32 root,
break;
}
/* If called for main EXE, reset recursion flags */
if ( !root )
for ( wm = process->modref_list; wm; wm = wm->next )
{
if (!wm->initDone)
FIXME(module, "Orphaned module in modref_list?\n");
TRACE( module, "(%p,%08x,%ld,%p) - END\n",
process, wm->module, type, lpReserved );
}
wm->initDone = FALSE;
void MODULE_InitializeDLLs( PDB32 *process, HMODULE32 root,
DWORD type, LPVOID lpReserved )
{
BOOL32 inProgress = FALSE;
WINE_MODREF *wm;
/* Grab the process critical section to protect the recursion flags */
/* FIXME: This is probably overkill! */
EnterCriticalSection( &process->crit_section );
TRACE( module, "(%p,%08x,%ld,%p) - START\n", process, root, type, lpReserved );
/* First, check whether initialization is currently in progress */
for ( wm = process->modref_list; wm; wm = wm->next )
if ( wm->initDone )
{
inProgress = TRUE;
break;
}
if ( inProgress )
{
/*
* If this a LoadLibrary call from within an initialization routine,
* treat it analogously to an implicitly referenced DLL.
* Anything else may not happen at this point!
*/
if ( root )
{
wm = MODULE32_LookupHMODULE( process, root );
if ( wm && !wm->initDone )
MODULE_DoInitializeDLLs( process, wm, type, lpReserved );
}
else
FIXME(module, "Invalid recursion!\n");
}
else
{
/* If we arrive here, this is the start of an initialization run */
if ( !root )
{
/* If called for main EXE, initialize all DLLs */
for ( wm = process->modref_list; wm; wm = wm->next )
if ( !wm->initDone )
MODULE_DoInitializeDLLs( process, wm, type, lpReserved );
}
else
{
/* If called for a specific DLL, initialize only it and its children */
wm = MODULE32_LookupHMODULE( process, root );
if (wm) MODULE_DoInitializeDLLs( process, wm, type, lpReserved );
}
/* We're finished, so we reset all recursion flags */
for ( wm = process->modref_list; wm; wm = wm->next )
wm->initDone = FALSE;
}
TRACE( module, "(%p,%08x,%ld,%p) - END\n", process, root, type, lpReserved );
/* Release critical section */
LeaveCriticalSection( &process->crit_section );
}
@ -745,7 +796,15 @@ HMODULE32 WINAPI LoadLibraryEx32W16( LPCSTR libname, HANDLE16 hf,
*/
HMODULE32 WINAPI LoadLibraryEx32A(LPCSTR libname,HFILE32 hfile,DWORD flags)
{
return MODULE_LoadLibraryEx32A(libname,PROCESS_Current(),hfile,flags);
HMODULE32 hmod;
hmod = MODULE_LoadLibraryEx32A(libname,PROCESS_Current(),hfile,flags);
/* initialize DLL just loaded */
if ( hmod >= 32 )
MODULE_InitializeDLLs( PROCESS_Current(), hmod,
DLL_PROCESS_ATTACH, (LPVOID)-1 );
return hmod;
}
HMODULE32 MODULE_LoadLibraryEx32A(LPCSTR libname,PDB32*process,HFILE32 hfile,DWORD flags)
@ -764,9 +823,6 @@ HMODULE32 MODULE_LoadLibraryEx32A(LPCSTR libname,PDB32*process,HFILE32 hfile,DWO
strcat( buffer, ".dll" );
hmod = PE_LoadLibraryEx32A(buffer,process,hfile,flags);
}
/* initialize DLL just loaded */
if (hmod >= 32)
MODULE_InitializeDLLs( PROCESS_Current(), hmod, DLL_PROCESS_ATTACH, NULL);
return hmod;
}