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success?()
public
Returns true if exiting successful, false if not.
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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;
}