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
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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; const char *signm; 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 { signm = signo2signm(signo); if (signm) { sig = rb_sprintf("SIG%s", signm); } else { sig = rb_sprintf("SIG%u", signo); } } } else { signm = SYMBOL_P(sig) ? rb_id2name(SYM2ID(sig)) : StringValuePtr(sig); if (strncmp(signm, "SIG", 3) == 0) signm += 3; signo = signm2signo(signm); if (!signo) { rb_raise(rb_eArgError, "unsupported name `SIG%s'", signm); } sig = rb_sprintf("SIG%s", signm); } rb_call_super(1, &sig); rb_iv_set(self, "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_iv_get(self, "signo"); }