Examining or changing a signal action
signal.do_action
sig
The signal to be examined/changed
name
Name of the probe point
sig_name
A string representation of the signal
sa_handler
The new handler of the signal
sigact_addr
The address of the new sigaction struct associated with the signal
oldsigact_addr
The address of the old sigaction struct associated with the signal
sa_mask
The new mask of the signal