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- Check for the status after calling KeWaitForSingleObject in NtRequestWaitReplyPort.

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svn path=/trunk/; revision=5643
This commit is contained in:
Hartmut Birr 2003-08-18 11:48:19 +00:00
parent 14aa056fe0
commit 69ade55431
1 changed files with 32 additions and 18 deletions
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50
reactos/ntoskrnl/lpc/send.c
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@ -1,4 +1,4 @@
/* $Id: send.c,v 1.11 2003/07/11 01:23:15 royce Exp $
/* $Id: send.c,v 1.12 2003/08/18 11:48:19 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -268,24 +268,38 @@ NtRequestWaitReplyPort (IN HANDLE PortHandle,
/*
* Wait for a reply
*/
KeWaitForSingleObject(&Port->Semaphore,
UserRequest,
UserMode,
FALSE,
NULL);
/*
* Dequeue the reply
*/
KeAcquireSpinLock(&Port->Lock, &oldIrql);
Message = EiDequeueMessagePort(Port);
KeReleaseSpinLock(&Port->Lock, oldIrql);
DPRINT("Message->Message.MessageSize %d\n",
Message->Message.MessageSize);
Status = MmCopyToCaller(UnsafeLpcReply, &Message->Message,
Message->Message.MessageSize);
ExFreePool(Message);
Status = KeWaitForSingleObject(&Port->Semaphore,
UserRequest,
UserMode,
FALSE,
NULL);
if (Status == STATUS_SUCCESS)
{
/*
* Dequeue the reply
*/
KeAcquireSpinLock(&Port->Lock, &oldIrql);
Message = EiDequeueMessagePort(Port);
KeReleaseSpinLock(&Port->Lock, oldIrql);
if (Message)
{
DPRINT("Message->Message.MessageSize %d\n",
Message->Message.MessageSize);
Status = MmCopyToCaller(UnsafeLpcReply, &Message->Message,
Message->Message.MessageSize);
ExFreePool(Message);
}
else
Status = STATUS_UNSUCCESSFUL;
}
else
{
if (NT_SUCCESS(Status))
{
Status = STATUS_UNSUCCESSFUL;
}
}
ObDereferenceObject(Port);
return(Status);