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Implemented deferred hive synchronization. It doesn't sync yet.

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svn path=/trunk/; revision=3816
This commit is contained in:
Eric Kohl 2002-12-02 18:52:44 +00:00
parent 0416e5796f
commit a378416e55
3 changed files with 64 additions and 8 deletions
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3
reactos/ntoskrnl/cm/cm.h
View file

@ -531,4 +531,7 @@ CmiCopyPackedName(PWCHAR NameBuffer,
PCHAR PackedNameBuffer,
ULONG PackedNameSize);
VOID
CmiSyncHives(VOID);
#endif /*__INCLUDE_CM_H*/

8
reactos/ntoskrnl/cm/ntfunc.c
View file

@ -184,6 +184,8 @@ NtCreateKey(OUT PHANDLE KeyHandle,
VERIFY_KEY_OBJECT(KeyObject);
CmiSyncHives();
return Status;
}
@ -229,6 +231,8 @@ NtDeleteKey(IN HANDLE KeyHandle)
/* Release hive lock */
ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
CmiSyncHives();
return STATUS_SUCCESS;
}
@ -1487,6 +1491,8 @@ NtSetValueKey(IN HANDLE KeyHandle,
ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
ObDereferenceObject(KeyObject);
CmiSyncHives();
DPRINT("Return Status 0x%X\n", Status);
return(Status);
@ -1526,6 +1532,8 @@ NtDeleteValueKey(IN HANDLE KeyHandle,
ObDereferenceObject(KeyObject);
CmiSyncHives();
return Status;
}

61
reactos/ntoskrnl/cm/registry.c
View file

@ -1,4 +1,4 @@
/* $Id: registry.c,v 1.79 2002/11/30 14:46:27 ekohl Exp $
/* $Id: registry.c,v 1.80 2002/12/02 18:52:44 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -37,6 +37,11 @@ KSPIN_LOCK CmiKeyListLock;
LIST_ENTRY CmiHiveListHead;
KSPIN_LOCK CmiHiveListLock;
volatile BOOLEAN CmiHiveSyncEnabled = FALSE;
volatile BOOLEAN CmiHiveSyncPending = FALSE;
KDPC CmiHiveSyncDpc;
KTIMER CmiHiveSyncTimer;
static PKEY_OBJECT CmiRootKey = NULL;
static PKEY_OBJECT CmiMachineKey = NULL;
static PKEY_OBJECT CmiUserKey = NULL;
@ -54,6 +59,12 @@ CmiCheckKey(BOOLEAN Verbose,
static NTSTATUS
CmiCreateCurrentControlSetLink(VOID);
static VOID STDCALL
CmiHiveSyncDpcRoutine(PKDPC Dpc,
PVOID DeferredContext,
PVOID SystemArgument1,
PVOID SystemArgument2);
/* FUNCTIONS ****************************************************************/
VOID
@ -901,7 +912,12 @@ CmiInitHives(BOOLEAN SetUpBoot)
// CmiCheckRegistry(TRUE);
/* FIXME: Start automatic hive syncronization */
/* Start automatic hive synchronization */
KeInitializeDpc(&CmiHiveSyncDpc,
CmiHiveSyncDpcRoutine,
NULL);
KeInitializeTimer(&CmiHiveSyncTimer);
CmiHiveSyncEnabled = TRUE;
DPRINT("CmiInitHives() done\n");
@ -918,7 +934,8 @@ CmShutdownRegistry(VOID)
DPRINT1("CmShutdownRegistry() called\n");
/* FIXME: Stop automatic hive syncronization */
/* Stop automatic hive synchronization */
CmiHiveSyncEnabled = FALSE;
KeAcquireSpinLock(&CmiHiveListLock,&oldlvl);
Entry = CmiHiveListHead.Flink;
@ -928,11 +945,11 @@ CmShutdownRegistry(VOID)
if (Hive->Flags & HIVE_VOLATILE)
{
DPRINT1("Volatile hive\n");
DPRINT("Volatile hive\n");
}
else
{
DPRINT1("Flush non-volatile hive '%wZ'\n", &Hive->Filename);
DPRINT("Flush non-volatile hive '%wZ'\n", &Hive->Filename);
/* Flush non-volatile hive */
@ -945,13 +962,41 @@ CmShutdownRegistry(VOID)
}
KeReleaseSpinLock(&CmiHiveListLock,oldlvl);
DPRINT1(" *** System stopped ***\n");
for (;;);
/* Note:
* Don't call UNIMPLEMENTED() here since this function is
* called by NtShutdownSystem().
*/
}
static VOID STDCALL
CmiHiveSyncDpcRoutine(PKDPC Dpc,
PVOID DeferredContext,
PVOID SystemArgument1,
PVOID SystemArgument2)
{
DPRINT("CmiHiveSyncDpcRoutine() called\n");
CmiHiveSyncPending = FALSE;
}
VOID
CmiSyncHives(VOID)
{
LARGE_INTEGER Timeout;
if (CmiHiveSyncEnabled == FALSE ||
CmiHiveSyncPending == TRUE)
return;
CmiHiveSyncPending = TRUE;
Timeout.QuadPart = -50000000LL;
KeSetTimer(&CmiHiveSyncTimer,
Timeout,
&CmiHiveSyncDpc);
}
/* EOF */