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Fixed second instance DGROUP loading.

This commit is contained in:
Andreas Mohr 2000-03-07 12:26:16 +00:00 committed by Alexandre Julliard
parent 4688c7ca1e
commit f2df6a2afe
2 changed files with 35 additions and 15 deletions
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14
loader/ne/module.c
View File

@ -1098,7 +1098,11 @@ BOOL NE_CreateProcess( HANDLE hFile, LPCSTR filename, LPCSTR cmd_line, LPCSTR en
SYSLEVEL_EnterWin16Lock();
/* Special case: second instance of an already loaded NE module */
/* Special case: second instance of an already loaded NE module
* FIXME: maybe we should mark the module in a special way during
* "second instance" loading stage ?
* NE_CreateSegment and NE_LoadSegment might get confused without it,
* especially when it comes to self-loaders */
if ( ( hModule = NE_GetModuleByFilename( filename ) ) != 0 )
{
@ -1173,6 +1177,8 @@ BOOL NE_InitProcess( NE_MODULE *pModule )
NE_LoadSegment( pModule, pModule->dgroup );
hInstance = NE_GetInstance( pModule );
TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->dgroup, hPrevInstance);
}
else
{
@ -1390,13 +1396,19 @@ WORD WINAPI GetExpWinVer16( HMODULE16 hModule )
* GetModuleFileName16 (KERNEL.49)
*
* Comment: see GetModuleFileNameA
*
* Even if invoked by second instance of a program,
* it still returns path of first one.
*/
INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName,
INT16 nSize )
{
NE_MODULE *pModule;
/* Win95 does not query hModule if set to 0 !
* Is this wrong or maybe Win3.1 only ? */
if (!hModule) hModule = GetCurrentTask();
if (!(pModule = NE_GetPtr( hModule ))) return 0;
if (pModule->expected_version >= 0x400)
GetLongPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize);

34
loader/ne/segment.c
View File

@ -81,9 +81,17 @@ BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum )
pSegTable = NE_SEG_TABLE( pModule );
pSeg = pSegTable + segnum - 1;
if (pSeg->flags & NE_SEGFLAGS_LOADED) /* already loaded ? */
if (pSeg->flags & NE_SEGFLAGS_LOADED)
{
/* self-loader ? -> already loaded it */
if (pModule->flags & NE_FFLAGS_SELFLOAD)
return TRUE;
/* leave, except for DGROUP, as this may be the second instance */
if (segnum != pModule->dgroup)
return TRUE;
}
if (!pSeg->filepos) return TRUE; /* No file image, just return */
pModuleTable = NE_MODULE_TABLE( pModule );
@ -815,10 +823,10 @@ HINSTANCE16 NE_GetInstance( NE_MODULE *pModule )
return pModule->self;
else
{
SEGTABLEENTRY *pSegment;
pSegment = NE_SEG_TABLE( pModule ) + pModule->dgroup - 1;
SEGTABLEENTRY *pSeg;
pSeg = NE_SEG_TABLE( pModule ) + pModule->dgroup - 1;
return SEL(pSegment->hSeg);
return SEL(pSeg->hSeg);
}
}
@ -827,7 +835,7 @@ HINSTANCE16 NE_GetInstance( NE_MODULE *pModule )
*/
BOOL NE_CreateSegment( NE_MODULE *pModule, int segnum )
{
SEGTABLEENTRY *pSegment = NE_SEG_TABLE( pModule ) + segnum - 1;
SEGTABLEENTRY *pSeg = NE_SEG_TABLE( pModule ) + segnum - 1;
int minsize;
assert( !(pModule->flags & NE_FFLAGS_WIN32) );
@ -838,21 +846,21 @@ BOOL NE_CreateSegment( NE_MODULE *pModule, int segnum )
if ( (pModule->flags & NE_FFLAGS_SELFLOAD) && segnum != 1 )
return TRUE; /* selfloader allocates segment itself */
if ( (pSegment->flags & NE_SEGFLAGS_ALLOCATED) && segnum != pModule->dgroup )
if ( (pSeg->flags & NE_SEGFLAGS_ALLOCATED) && segnum != pModule->dgroup )
return TRUE; /* all but DGROUP only allocated once */
minsize = pSegment->minsize ? pSegment->minsize : 0x10000;
minsize = pSeg->minsize ? pSeg->minsize : 0x10000;
if ( segnum == pModule->ss ) minsize += pModule->stack_size;
if ( segnum == pModule->dgroup ) minsize += pModule->heap_size;
pSegment->hSeg = GLOBAL_Alloc( NE_Ne2MemFlags(pSegment->flags),
pSeg->hSeg = GLOBAL_Alloc( NE_Ne2MemFlags(pSeg->flags),
minsize, pModule->self,
!(pSegment->flags & NE_SEGFLAGS_DATA),
(pSegment->flags & NE_SEGFLAGS_32BIT) != 0,
FALSE /*pSegment->flags & NE_SEGFLAGS_READONLY*/ );
if (!pSegment->hSeg) return FALSE;
!(pSeg->flags & NE_SEGFLAGS_DATA),
(pSeg->flags & NE_SEGFLAGS_32BIT) != 0,
FALSE /*pSeg->flags & NE_SEGFLAGS_READONLY*/ );
if (!pSeg->hSeg) return FALSE;
pSegment->flags |= NE_SEGFLAGS_ALLOCATED;
pSeg->flags |= NE_SEGFLAGS_ALLOCATED;
return TRUE;
}