diff --git a/signal.c b/signal.c index b76044c62501eb..304b1e4f3fbbe5 100644 --- a/signal.c +++ b/signal.c @@ -304,11 +304,11 @@ ruby_default_signal(int sig) * call-seq: * Process.kill(signal, pid, ...) -> fixnum * - * Sends the given signal to the specified process id(s), or to the - * current process if _pid_ is zero. _signal_ may be an - * integer signal number or a POSIX signal name (either with or without - * a +SIG+ prefix). If _signal_ is negative (or starts - * with a minus sign), kills process groups instead of + * Sends the given signal to the specified process id(s) if _pid_ is positive. + * If _pid_ is zero _signal_ is sent to all processes whose group ID is equal + * to the group ID of the process. _signal_ may be an integer signal number or + * a POSIX signal name (either with or without a +SIG+ prefix). If _signal_ is + * negative (or starts with a minus sign), kills process groups instead of * processes. Not all signals are available on all platforms. * * pid = fork do