Hello, guys
I'm porting ltrace to FreeBSD and have one little question.
ltrace uses non-standard PTRACE_SYSCALL request, which tells
the kernel to stop traced process on every syscall entry
and notify the parent.
It makes us possible to trace child's syscalls and *catch
execve/xfork events* and many more. BTW, that request
is non-standard and FreeBSD doesn't support it.
So, guys, what is a right way for a parent to catch
child making syscall under FreeBSD? I have dosen
k-mode solutions but how to do that from user-space?
Thanks you very much!
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