Messages in this thread | | | Date | Thu, 16 Feb 2012 13:23:47 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH v8 5/8] seccomp: Add SECCOMP_RET_TRAP |
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On 02/16/2012 12:28 PM, Markus Gutschke wrote: > On Thu, Feb 16, 2012 at 12:02, Will Drewry <wad@chromium.org> wrote: >> Adds a new return value to seccomp filters that triggers a SIGTRAP to be delivered with the new TRAP_SECCOMP si_code. >> >> This allows in-process system call emulation -- including just specifying an errno or cleanly dumping core -- rather than just dying. > > SIGTRAP might not be the ideal choice of signal number, as it can make > it very difficult to debug the program in gdb. Other than that, I love > this feature. It'll significantly simplify the code that we have in > Chrome. >
Sounds like SIGSYS to me.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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