probe::signal.pending - Examining pending signal

       This probe is used to examine a set of signals pending for delivery to a specific thread. This normally
       occurs when the do_sigpending kernel function is executed.

       probe::signal.pending - Examining pending signal

tapset::signal(3stap)

SystemTap Tapset Reference                         April 2024                          PROBE::SIGNAL.PEND(3stap)

       signal.pending

name
           Name of the probe point

       sigset_size
           The size of the user-space signal set

       sigset_add
           The address of the user-space signal set (sigset_t)