Chapter 13. Signal Tapset

Table of Contents

signal.send - Signal being sent to a process
signal.send.return - Signal being sent to a process completed
signal.checkperm - Check being performed on a sent signal
signal.checkperm.return - Check performed on a sent signal completed
signal.wakeup - Sleeping process being wakened for signal
signal.check_ignored - Checking to see signal is ignored
signal.check_ignored.return - Check to see signal is ignored completed
signal.force_segv - Forcing send of SIGSEGV
signal.force_segv.return - Forcing send of SIGSEGV complete
signal.syskill - Sending kill signal to a process
signal.syskill.return - Sending kill signal completed
signal.sys_tkill - Sending a kill signal to a thread
signal.systkill.return - Sending kill signal to a thread completed
signal.sys_tgkill - Sending kill signal to a thread group
signal.sys_tgkill.return - Sending kill signal to a thread group completed
signal.send_sig_queue - Queuing a signal to a process
signal.send_sig_queue.return - Queuing a signal to a process completed
signal.pending - Examining pending signal
signal.pending.return - Examination of pending signal completed
signal.handle - Signal handler being invoked
signal.handle.return - Signal handler invocation completed
signal.do_action - Examining or changing a signal action
signal.do_action.return - Examining or changing a signal action completed
signal.procmask - Examining or changing blocked signals
signal.flush - Flushing all pending signals for a task

This family of probe points is used to probe signal activities. It contains the following probe points: