Question about signal handling

Hopefully I'm not asking a really stupid question here, but... When setting up a signal handler, using sa_handler, there is a quasi-documented 2nd parameter of 'struct context ctx' passed to the signal handler. This seems to work on 2.2.12, 2.2.18, and 2.4.5-ac2. According to

Question about signal handling

Hopefully I'm not asking a really stupid question here, but... When setting up a signal handler, using sa_handler, there is a quasi-documented 2nd parameter of 'struct context ctx' passed to the signal handler. This seems to work on 2.2.12, 2.2.18, and 2.4.5-ac2. According to