[PATCH RESEND v3 1/3] ptrace: pass type of a syscall-stop in ptrace_message

Joey Pabalinas joeypabalinas at gmail.com
Sun Nov 25 01:54:02 UTC 2018


On Sun, Nov 25, 2018 at 02:22:27AM +0100, Elvira Khabirova wrote:
> Define two constants, PTRACE_EVENTMSG_SYSCALL_ENTRY and
> PTRACE_EVENTMSG_SYSCALL_EXIT, and place them in ptrace_message
> for the duration of syscall-stops.
> This way ptracers can distinguish syscall-enter-stops
> from syscall-exit-stops using PTRACE_GETEVENTMSG request.

Is there an advantage to using two constants instead of a single
sys_exit bit (set/unset for syscall-exit-stop/syscall-enter-stop)?

-- 
Cheers,
Joey Pabalinas
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <http://lists.strace.io/pipermail/strace-devel/attachments/20181124/5d6f73a8/attachment.bin>


More information about the Strace-devel mailing list