[ros-dev] KeRundownThread question

[Alex Ionescu]

Hartmut Birr wrote:

>Alex Ionescu wrote:
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>>How can a user-mode thread create a mutex?
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>>
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>Simply with CreateMutex. 
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CreateMutex creates a Mutant....

>I change the assert statement to:
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>ASSERT(Mutant->Header.Size == sizeof(KMUTANT)/sizeof(ULONG));
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>This does ros crash only for mutex objects and not for mutant objects.
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>
That's what the assert should do as well. Mutants have APC Disable = 0. 
Mutexes have it =1. Usermode can only create mutant, so apcdisable will 
always be 0.

I don't understand how user-mode can create a mutex?

>- Hartmut
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Best regards,
Alex Ionescu