PTRACE_EVENT_STOP 1137 kernel/ptrace.c if (likely(si && (si->si_code >> 8) == PTRACE_EVENT_STOP)) { PTRACE_EVENT_STOP 2186 kernel/signal.c if (info && info->si_code >> 8 == PTRACE_EVENT_STOP) PTRACE_EVENT_STOP 2436 kernel/signal.c ptrace_do_notify(signr, signr | (PTRACE_EVENT_STOP << 8),