3 ms·
a) not all signals can be caught, blocked or ignored c.f. SIGKILL, SIGSTOP b) in acutality when it comes to the kernel code if a process/thread/task has a sign
by tankenmate 13y ago
a) not all signals can be caught, blocked or ignored c.f. SIGKILL, SIGSTOP
b) in acutality when it comes to the kernel code if a process/thread/task has a signal ignored (the blocked semantics are slightly different) it is not actually delivered x.ref. prepare_signal() in kernel/signal.c in Linux.