Exception: SystemExit
Relationships & Source Files | |
Super Chains via Extension / Inclusion / Inheritance | |
Class Chain:
self,
::Exception
|
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Instance Chain:
self,
::Exception
|
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Inherits: | Exception |
Defined in: | error.c, error.c |
Overview
Raised by exit
to initiate the termination of the script.
Class Attribute Summary
::Exception
- Inherited
.to_tty? | Returns |
Class Method Summary
-
.new ⇒ system_exit
constructor
Create a new
SystemExit
exception with the given status and message.
::Exception
- Inherited
.exception | Returns an exception object of the same class as |
.new | Returns a new exception object. |
Instance Attribute Summary
-
#success? ⇒ Boolean
readonly
Returns
true
if exiting successful,false
if not.
Instance Method Summary
-
#status ⇒ Integer
Return the status value associated with this system exit.
::Exception
- Inherited
#== | Returns whether |
#backtrace | Returns a backtrace value for |
#backtrace_locations | Returns a backtrace value for |
#cause | Returns the previous value of global variable |
#detailed_message | Returns the message string with enhancements: |
#exception | Returns an exception object of the same class as |
#full_message | Returns an enhanced message string: |
#inspect | Returns a string representation of |
#message | Returns |
#set_backtrace | Sets the backtrace value for |
#to_s | Returns a string representation of |
Constructor Details
.new ⇒ system_exit
.new(status) ⇒ system_exit
.new(status, msg) ⇒ system_exit
.new(msg) ⇒ system_exit
system_exit
.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.
# File 'error.c', line 2090
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_ivar_set(exc, id_status, status); return exc; }
Instance Attribute Details
#success? ⇒ Boolean
(readonly)
Returns true
if exiting successful, false
if not.
# File 'error.c', line 2154
static VALUE exit_success_p(VALUE exc) { VALUE status_val = rb_attr_get(exc, id_status); int status; if (NIL_P(status_val)) return Qtrue; status = NUM2INT(status_val); return RBOOL(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS); }
Instance Method Details
#status ⇒ Integer
Return the status value associated with this system exit.
# File 'error.c', line 2140
static VALUE exit_status(VALUE exc) { return rb_attr_get(exc, id_status); }