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    • error.c
    • signal.c

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    SignalException

    Raised when a signal is received. 

    begin
 Process.kill('HUP',Process.pid)
 sleep # wait for receiver to handle signal sent by Process.kill
rescue SignalException => e
 puts "received Exception #{e}"
end

    produces: 

    received Exception SIGHUP

    Public Class Methods

    new(sig_name) → signal_exception click to toggle source
    new(sig_number [, name]) → signal_exception

    Construct a new object. sig_name should be a known signal name. 

     static VALUE
esignal_init(int argc, VALUE *argv, VALUE self)
{
 int argnum = 1;
 VALUE sig = Qnil;
 int signo;
 if (argc > 0) {
 sig = rb_check_to_integer(argv[0], "to_int");
 if (!NIL_P(sig)) argnum = 2;
 else sig = argv[0];
 }
 rb_check_arity(argc, 1, argnum);
 if (argnum == 2) {
 signo = NUM2INT(sig);
 if (signo < 0 || signo > NSIG) {
 rb_raise(rb_eArgError, "invalid signal number (%d)", signo);
 }
 if (argc > 1) {
 sig = argv[1];
 }
 else {
 sig = rb_signo2signm(signo);
 }
 }
 else {
 int prefix;
 signo = signm2signo(&sig, FALSE, FALSE, &prefix);
 if (prefix != signame_prefix_len) {
 sig = rb_str_append(rb_str_new_cstr("SIG"), sig);
 }
 }
 rb_call_super(1, &sig);
 rb_ivar_set(self, id_signo, INT2NUM(signo));
 return self;
}

    Public Instance Methods

    signo → num click to toggle source

    Returns a signal number. 

     static VALUE
esignal_signo(VALUE self)
{
 return rb_ivar_get(self, id_signo);
}

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