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[ntdll]

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- Implement LdrLockLoaderLock and LdrUnlockLoaderLock.

svn path=/trunk/; revision=44318
This commit is contained in:
Michael Martin 2009-11-29 10:53:39 +00:00
parent 637f171861
commit 15fff6abae
1 changed files with 58 additions and 4 deletions
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62
reactos/dll/ntdll/ldr/utils.c
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@ -3382,8 +3382,55 @@ LdrLockLoaderLock(IN ULONG Flags,
OUT PULONG Disposition OPTIONAL,
OUT PULONG Cookie OPTIONAL)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
BOOLEAN Ret;
BOOLEAN CookieSet = FALSE;
if ((Flags != 0x01) && (Flags != 0x02))
return STATUS_INVALID_PARAMETER_1;
if (!Cookie) return STATUS_INVALID_PARAMETER_3;
/* Set some defaults for failure while verifying params */
_SEH2_TRY
{
*Cookie = 0;
CookieSet = TRUE;
if (Disposition) *Disposition = 0;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
if (CookieSet)
Status = STATUS_INVALID_PARAMETER_3;
else
Status = STATUS_INVALID_PARAMETER_2;
}
_SEH2_END;
if (Flags == 0x01)
{
DPRINT1("Warning: Reporting errors with exception not supported yet!\n");
RtlEnterCriticalSection(NtCurrentPeb()->LoaderLock);
Status = STATUS_SUCCESS;
}
else
{
if (!Disposition) return STATUS_INVALID_PARAMETER_2;
Ret = RtlTryEnterCriticalSection(NtCurrentPeb()->LoaderLock);
if (Ret)
*Disposition = 0x01;
else
*Disposition = 0x02;
Status = STATUS_SUCCESS;
}
/* FIXME: Cookie is based on part of the thread id */
*Cookie = (ULONG)NtCurrentTeb()->RealClientId.UniqueThread;
return Status;
}
NTSTATUS
@ -3391,8 +3438,15 @@ NTAPI
LdrUnlockLoaderLock(IN ULONG Flags,
IN ULONG Cookie OPTIONAL)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
if (Flags != 0x01)
return STATUS_INVALID_PARAMETER_1;
if (Cookie != (ULONG)NtCurrentTeb()->RealClientId.UniqueThread)
return STATUS_INVALID_PARAMETER_2;
RtlLeaveCriticalSection(NtCurrentPeb()->LoaderLock);
return STATUS_SUCCESS;
}
BOOLEAN