3 ms·

There are .so interposition tricks that can be used for that. I think Pth used to do that for example.

• yosefk 5y ago
  Could you elaborate?
  • gpderetta 5y ago
    For example: https://www.gnu.org/software/pth/pth-manual.html#system_call_wrapper_facility https://www.gnu.org/software/pth/pth-manual.html#system_call... See the hard system call wrapping. This is just one option.