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* userspace app receive SIGSEGV, but not is crash, why?
@ 2016-10-10 14:36 Lucha Chen
  2016-10-11  7:54 ` Rik van Riel
  0 siblings, 1 reply; 2+ messages in thread
From: Lucha Chen @ 2016-10-10 14:36 UTC (permalink / raw)
  To: kernelnewbies

Dear All,
  userspace app receive SIGSEGV, but not crash, why?
  The mtk kernel log is :
<4>[67330.976640] -(6)[25390:ndroid.systemui][25390:ndroid.systemui] sig 11
to [25390:ndroid.systemui] stat=R

Thanks
Lucha
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* userspace app receive SIGSEGV, but not is crash, why?
  2016-10-10 14:36 userspace app receive SIGSEGV, but not is crash, why? Lucha Chen
@ 2016-10-11  7:54 ` Rik van Riel
  0 siblings, 0 replies; 2+ messages in thread
From: Rik van Riel @ 2016-10-11  7:54 UTC (permalink / raw)
  To: kernelnewbies

On Mon, 2016-10-10 at 22:36 +0800, Lucha Chen wrote:
> Dear All,
> ? userspace app receive SIGSEGV, but not crash, why?
> ? The mtk kernel log is :
> <4>[67330.976640] -(6)[25390:ndroid.systemui][25390:ndroid.systemui]
> sig 11 to [25390:ndroid.systemui] stat=R
> 
The userspace application can tell the kernel
it has a handler for SIGSEGV. If it does that,
the kernel will make sure that the handler is
invoked when SIGSEGV is sent to the process.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2016-10-10 14:36 userspace app receive SIGSEGV, but not is crash, why? Lucha Chen
2016-10-11  7:54 ` Rik van Riel

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