On 10/15, Roland McGrath wrote:
ptrace_detach(sig) checks valid_signal(sig) to detect the
explicit detach and passes bool voluntary to ptrace_wake_up().
ptrace_detach_task() does. ptrace_detach() has already bailed out
if !valid_signal(sig) was really pass in from userland.
ptrace_detach(sig) checks valid_signal(sig) to detect the
explicit detach and passes bool voluntary to ptrace_wake_up().
ptrace_detach_task() does. ptrace_detach() has already bailed out
if !valid_signal(sig) was really pass in from userland.
valid_signal(0) = true, so this is
