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SubjectRe: heavy handed exit() in latest BK

On Sat, 8 Feb 2003, Roland McGrath wrote:
>
> Ah. Deciding state should be treated as a bitmask is not so hot when
> TASK_RUNNING is 0.

Oops. Indeed. TASK_RUNNING isn't a bit at all, it's a lack of sleep.

Turning the logic the other way around:

/* Ignore processes that are dead or stopped (except for SIGKILL) */
mask = TASK_ZOMBIE | TASK_DEAD;
if (sig != SIGKILL)
mask != TASK_STOPPED;
and testing for !((p)->state & mask) should fix it. The mask ends up being
the states that are _not_ good to send signals for ;)

Linus

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