class SystemExit
Raised by exit
to initiate the termination of the script.
Public Class Methods
new → system_exit
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new(status) → system_exit
new(status, msg) → system_exit
new(msg) → system_exit
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.
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; }
Public Instance Methods
status → fixnum
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Return the status value associated with this system exit.
static VALUE exit_status(VALUE exc) { return rb_attr_get(exc, rb_intern("status")); }
success? → true or false
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Returns true
if exiting successful, false
if not.
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; }