Re: [patch 00/11] ANNOUNCE: "Syslets", generic asynchronous system call support

[Andi Kleen <andi@firstfloor.org>]

> ok. The TID+signal approach i mentioned in the other reply should work. 

Not sure if a signal is good for this. It might conflict with existing
strange historical semantics.

> If it's frequent enough we could make this an explicit 
> sys_async_cancel(TID) API.

Ideally there should be a new function like signal_pending() that checks for
this. Then the network fs could check those in their blocking loops
and error out.

Then it would even work on non intr NFS mounts.

-Andi
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