From:	SMTP%"MDettmer-Radtke@pyrasol.com" 15-OCT-1997 17:04:56.88
To:	Edwin Bufler <bufler@hugo.rz.fh-ulm.de>
CC:	NT Developers <ntdev@atria.com>
Subj:	RE: Problems creating named events in a kernel mode driver

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From: Matt Dettmer-Radtke <MDettmer-Radtke@PyraSol.com>
To: Edwin Bufler <bufler@hugo.rz.fh-ulm.de>
Cc: NT Developers <ntdev@atria.com>
Subject: RE: Problems creating named events in a kernel mode driver
Date: Wed, 15 Oct 1997 08:40:00 -0400
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Edwin,

Try this as your event name instead:

> #define EVENT_NAME  L"\\BaseNamedObjects\\SYNCH_EVENT"
> 
I'm not sure where it's documented that you have to use
"BaseNamedObjects" to create named objects from the kernel, but the
examples I've seen all use that.  Good luck!

Matt
> ----------
> From: 	Edwin Bufler[SMTP:bufler@hugo.rz.fh-ulm.de]
> Sent: 	Wednesday, October 15, 1997 6:39 AM
> To: 	Mailing list
> Subject: 	Problems creating named events in a kernel mode driver
> 
> Hey,
> 
> I have problems in creating a named event in a kernel mode driver
> using
> the IoCreateNotificationEvent() or IoCreateSynchronizationEvent()
> functions.The problem is, that the functions always fails (the return
> value is always NULL).
> 
> Does anybody know why???
> 
> Below you see the piece of code that does not work
> 
>     Thanks in advance
> 
>             Edwin
> 
> 
> #define EVENT_NAME  L"SYNCH_EVENT"
> 
> typedef struct TEST01_DEVICE_EXTENSION{
>     .
>     .
>  PKEVENT  SynchEvent;
>  HANDLE  hSynchEvent;
>     .
>     .
> } TEST01_DEVICE_EXTENSION, *PTEST01_DEVICE_EXTENSION;
> 
> 
> NTSTATUS DriverEntry(
>   IN PDRIVER_OBJECT pDrvObj,
>   IN PUNICODE_STRING pRegPath)
> {
>     .
>     .
>     .
>  RtlInitUnicodeString(&LEventName,EVENT_NAME);
>  pDevExt->SynchEvent =
> IoCreateSynchronizationEvent(&LEventName,&(pDevExt->hSynchEvent));
> 
>  if (pDevExt->SynchEvent == NULL)
>   DbgPrint("Error creating named event!");
>     .
>     .
>     .
> }
> 
> 
> 
> 
> 
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