POSIX Signal

The POSIX signal handler intercepts process signals.

halmd.utility.posix_signal.on_hup(slot)

Connect slot to invoke on signal HUP.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.on_int(slot)

Connect slot to invoke on signal INT.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.on_alrm(slot)

Connect slot to invoke on signal ALRM.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.on_term(slot)

Connect slot to invoke on signal TERM.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.on_usr1(slot)

Connect slot to invoke on signal USR1.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.on_usr2(slot)

Connect slot to invoke on signal USR2.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.on_cont(slot)

Connect slot to invoke on signal CONT.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.on_tstp(slot)

Connect slot to invoke on signal TSTP.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.on_ttin(slot)

Connect slot to invoke on signal TTIN.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.on_ttou(slot)

Connect slot to invoke on signal TTOU.

Parameters:

slot – unary slot that accepts signal number

Returns:

connection

halmd.utility.posix_signal.wait()

Block process until signal is received.

halmd.utility.posix_signal.poll()

Poll signal queue, and returns true if signal was handled.