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ntdll: Create the per-module activation context at module load time.

This commit is contained in:
Alexandre Julliard 2007-07-25 16:50:32 +02:00
parent 270f725526
commit 4156a716b0
2 changed files with 34 additions and 0 deletions
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33
dlls/ntdll/loader.c
View File

@ -48,6 +48,10 @@ WINE_DECLARE_DEBUG_CHANNEL(snoop);
WINE_DECLARE_DEBUG_CHANNEL(loaddll);
WINE_DECLARE_DEBUG_CHANNEL(imports);
/* we don't want to include winuser.h */
#define RT_MANIFEST ((ULONG_PTR)24)
#define ISOLATIONAWARE_MANIFEST_RESOURCE_ID ((ULONG_PTR)2)
typedef DWORD (CALLBACK *DLLENTRYPROC)(HMODULE,DWORD,LPVOID);
static int process_detaching = 0; /* set on process detach to avoid deadlocks with thread detach */
@ -578,6 +582,32 @@ done:
}
/***********************************************************************
* create_module_activation_context
*/
static NTSTATUS create_module_activation_context( LDR_MODULE *module )
{
NTSTATUS status;
LDR_RESOURCE_INFO info;
const IMAGE_RESOURCE_DATA_ENTRY *entry;
info.Type = RT_MANIFEST;
info.Name = ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
info.Language = 0;
if (!(status = LdrFindResource_U( module->BaseAddress, &info, 3, &entry )))
{
ACTCTXW ctx;
ctx.cbSize = sizeof(ctx);
ctx.lpSource = NULL;
ctx.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID;
ctx.hModule = module->BaseAddress;
ctx.lpResourceName = (LPCWSTR)ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
status = RtlCreateActivationContext( &module->ActivationContext, &ctx );
}
return status;
}
/****************************************************************
* fixup_imports
*
@ -594,6 +624,7 @@ static NTSTATUS fixup_imports( WINE_MODREF *wm, LPCWSTR load_path )
if (!(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS)) return STATUS_SUCCESS; /* already done */
wm->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
create_module_activation_context( &wm->ldr );
if (!(imports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
@ -651,6 +682,7 @@ static WINE_MODREF *alloc_module( HMODULE hModule, LPCWSTR filename )
wm->ldr.SectionHandle = NULL;
wm->ldr.CheckSum = 0;
wm->ldr.TimeDateStamp = 0;
wm->ldr.ActivationContext = 0;
RtlCreateUnicodeString( &wm->ldr.FullDllName, filename );
if ((p = strrchrW( wm->ldr.FullDllName.Buffer, '\\' ))) p++;
@ -1983,6 +2015,7 @@ static void free_modref( WINE_MODREF *wm )
}
SERVER_END_REQ;
RtlReleaseActivationContext( wm->ldr.ActivationContext );
NtUnmapViewOfSection( NtCurrentProcess(), wm->ldr.BaseAddress );
if (wm->ldr.Flags & LDR_WINE_INTERNAL) wine_dll_unload( wm->ldr.SectionHandle );
if (cached_modref == wm) cached_modref = NULL;

1
include/winternl.h
View File

@ -2357,6 +2357,7 @@ typedef struct _LDR_MODULE
HANDLE SectionHandle;
ULONG CheckSum;
ULONG TimeDateStamp;
HANDLE ActivationContext;
} LDR_MODULE, *PLDR_MODULE;
/* those defines are (some of the) regular LDR_MODULE.Flags values */