Re: [ros-dev] [ros-diffs] [hbelusca] 63599: [TASKMGR]: Use the EndTask API to kill tasks.

[Ged Murphy]

They produce the same asm.

 

From: Ros-dev [mailto:[e-mail]] On Behalf Of David Quintana (gigaherz)
Sent: 16 June 2014 11:10
To: ReactOS Development List
Subject: Re: [ros-dev] [ros-diffs] [hbelusca] 63599: [TASKMGR]: Use the EndTask API to
kill tasks.

 

It's equivalent to writing "<something> != 0", although less readable.
I have no idea if compilers actually generate better code for it, or people just do it
because it's shorter to type.

 

On 16 June 2014 11:09, Ged Murphy &lt;gedmurphy.maillists(a)gmail.com
<mailto:[e-mail]> > wrote:

Yes, the double negate is a little trick to give you either a 1 or a 0 instead of the
value of the operation.



-----Original Message-----
From: Ros-dev [mailto:[e-mail]
<mailto:[e-mail]> ] On Behalf Of Pierre Schweitzer
Sent: 16 June 2014 07:31
To: ros-dev(a)reactos.org <mailto:[e-mail]> 
Subject: Re: [ros-dev] [ros-diffs] [hbelusca] 63599: [TASKMGR]: Use the EndTask API to
kill tasks.

On 15/06/2014 19:47, hbelusca(a)svn.reactos.org <mailto:[e-mail]> 
wrote:
>   +    /* Trick: on Windows, pressing the CTRL key
> forces the task to be ended */
>  +    BOOL ForceEndTask = !!(GetKeyState(VK_CONTROL) & 0x8000);
>  + 
Was it really meant to be '!!'?

--
Pierre Schweitzer<pierre at reactos.org <http://reactos.org> > System
Administrator ReactOS Foundation





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