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    SubjectRe: [PATCH v8 5/8] seccomp: Add SECCOMP_RET_TRAP
    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.


    Markus


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