Exception: SystemExit
Overview
Raised by exit
to initiate the termination of the script.
Instance Method Summary collapse
-
#initialize ⇒ Object
constructor
Create a new
SystemExit
exception with the given status and message. -
#status ⇒ Fixnum
Return the status value associated with this system exit.
-
#success? ⇒ Boolean
Returns
true
if exiting successful,false
if not.
Methods inherited from Exception
#==, #backtrace, #backtrace_locations, #cause, #exception, exception, #inspect, #message, #set_backtrace, #to_s
Constructor Details
#new ⇒ Object #new(status) ⇒ Object #new(status, msg) ⇒ Object #new(msg) ⇒ Object
Create a new SystemExit
exception with the given status and message. Status is true, false, or an integer. If status is not given, true is used.
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# File 'error.c', line 882
static VALUE
exit_initialize(int argc, VALUE *argv, VALUE exc)
{
VALUE status;
if (argc > 0) {
status = *argv;
switch (status) {
case Qtrue:
status = INT2FIX(EXIT_SUCCESS);
++argv;
--argc;
break;
case Qfalse:
status = INT2FIX(EXIT_FAILURE);
++argv;
--argc;
break;
default:
status = rb_check_to_int(status);
if (NIL_P(status)) {
status = INT2FIX(EXIT_SUCCESS);
}
else {
#if EXIT_SUCCESS != 0
if (status == INT2FIX(0))
status = INT2FIX(EXIT_SUCCESS);
#endif
++argv;
--argc;
}
break;
}
}
else {
status = INT2FIX(EXIT_SUCCESS);
}
rb_call_super(argc, argv);
rb_iv_set(exc, "status", status);
return exc;
}
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Instance Method Details
#status ⇒ Fixnum
Return the status value associated with this system exit.
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# File 'error.c', line 932
static VALUE
exit_status(VALUE exc)
{
return rb_attr_get(exc, rb_intern("status"));
}
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#success? ⇒ Boolean
Returns true
if exiting successful, false
if not.
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# File 'error.c', line 946
static VALUE
exit_success_p(VALUE exc)
{
VALUE status_val = rb_attr_get(exc, rb_intern("status"));
int status;
if (NIL_P(status_val))
return Qtrue;
status = NUM2INT(status_val);
if (WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS)
return Qtrue;
return Qfalse;
}
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