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ntdll: Load the various PEB global options at startup.

This commit is contained in:
Alexandre Julliard 2010-01-20 17:30:00 +01:00
parent 1c119dad6d
commit 39a1227cdb
2 changed files with 55 additions and 51 deletions
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55
dlls/ntdll/loader.c
View File

@ -2551,6 +2551,59 @@ static NTSTATUS attach_process_dlls( void *wm )
}
/***********************************************************************
* load_global_options
*/
static void load_global_options(void)
{
static const WCHAR sessionW[] = {'M','a','c','h','i','n','e','\\',
'S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r',0};
static const WCHAR globalflagW[] = {'G','l','o','b','a','l','F','l','a','g',0};
static const WCHAR critsectW[] = {'C','r','i','t','i','c','a','l','S','e','c','t','i','o','n','T','i','m','e','o','u','t',0};
static const WCHAR heapresW[] = {'H','e','a','p','S','e','g','m','e','n','t','R','e','s','e','r','v','e',0};
static const WCHAR heapcommitW[] = {'H','e','a','p','S','e','g','m','e','n','t','C','o','m','m','i','t',0};
static const WCHAR decommittotalW[] = {'H','e','a','p','D','e','C','o','m','m','i','t','T','o','t','a','l','F','r','e','e','T','h','r','e','s','h','o','l','d',0};
static const WCHAR decommitfreeW[] = {'H','e','a','p','D','e','C','o','m','m','i','t','F','r','e','e','B','l','o','c','k','T','h','r','e','s','h','o','l','d',0};
OBJECT_ATTRIBUTES attr;
UNICODE_STRING name_str;
HANDLE hkey;
ULONG value;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &name_str;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &name_str, sessionW );
if (NtOpenKey( &hkey, KEY_QUERY_VALUE, &attr )) return;
query_dword_option( hkey, globalflagW, &NtCurrentTeb()->Peb->NtGlobalFlag );
query_dword_option( hkey, critsectW, &value );
NtCurrentTeb()->Peb->CriticalSectionTimeout.QuadPart = (ULONGLONG)value * -10000000;
query_dword_option( hkey, heapresW, &value );
NtCurrentTeb()->Peb->HeapSegmentReserve = value;
query_dword_option( hkey, heapcommitW, &value );
NtCurrentTeb()->Peb->HeapSegmentCommit = value;
query_dword_option( hkey, decommittotalW, &value );
NtCurrentTeb()->Peb->HeapDeCommitTotalFreeThreshold = value;
query_dword_option( hkey, decommitfreeW, &value );
NtCurrentTeb()->Peb->HeapDeCommitFreeBlockThreshold = value;
NtClose( hkey );
}
/***********************************************************************
* start_process
*/
@ -2799,6 +2852,8 @@ void __wine_process_init(void)
FILE_umask = umask(0777);
umask( FILE_umask );
load_global_options();
/* setup the load callback and create ntdll modref */
wine_dll_set_callback( load_builtin_callback );

51
dlls/ntdll/thread.c
View File

@ -182,54 +182,6 @@ done:
return status;
}
/***********************************************************************
* get_global_flag
*
* This is called before the process heap is created,
* but after the connection to the server is established.
* No windows heap allocation is permitted.
*/
static DWORD get_global_flag(void)
{
static const WCHAR sessionman_keyW[] = {'M','a','c','h','i','n','e','\\',
'S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r',0};
static const WCHAR global_flagW[] = {'G','l','o','b','a','l','F','l','a','g',0};
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW, valueW;
HANDLE hkey;
char tmp[32];
DWORD count;
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)tmp;
NTSTATUS status;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, sessionman_keyW );
status = NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr );
if (status != STATUS_SUCCESS)
return 0;
RtlInitUnicodeString( &valueW, global_flagW );
status = NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count );
if (status != STATUS_SUCCESS)
return 0;
/* Some documents say this can be a string, so handle either type */
if (info->Type == REG_DWORD)
return *(DWORD *)info->Data;
if (info->Type == REG_SZ)
return strtol((char *)info->Data, NULL, 16);
return 0;
}
/***********************************************************************
* thread_init
*
@ -310,9 +262,6 @@ HANDLE thread_init(void)
server_init_process();
info_size = server_init_thread( peb );
/* retrieve the global flags settings from the registry */
peb->NtGlobalFlag = get_global_flag();
/* create the process heap */
if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
{