class 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 SignalException
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
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Returns a signal number.
static VALUE esignal_signo(VALUE self) { return rb_ivar_get(self, id_signo); }