(in-package "SB!IMPL")
\f
-;;;; variables related to saving core files
-;;;;
-;;;; (Most of the save-a-core functionality is defined later, in its
-;;;; own file, but we'd like to have these symbols declared special
-;;;; and initialized ASAP.)
+;;;; variables initialization and shutdown sequences
-(defvar *before-save-initializations* nil
+;; (Most of the save-a-core functionality is defined later, in its
+;; own file, but we'd like to have these symbols declared special
+;; and initialized ASAP.)
+(defvar *save-hooks* nil
#!+sb-doc
- "This is a list of functions which are called before creating a saved core
- image. These functions are executed in the child process which has no ports,
- so they cannot do anything that tries to talk to the outside world.")
+ "This is a list of functions which are called in an unspecified
+order before creating a saved core image. Unused by SBCL itself:
+reserved for user and applications.")
-(defvar *after-save-initializations* nil
+(defvar *init-hooks* nil
#!+sb-doc
- "This is a list of functions which are called when a saved core image starts
- up. The system itself should be initialized at this point, but applications
- might not be.")
+ "This is a list of functions which are called in an unspecified
+order when a saved core image starts up, after the system itself has
+been initialized. Unused by SBCL itself: reserved for user and
+applications.")
\f
-;;;; miscellaneous I/O
-
-(defun skip-whitespace (&optional (stream *standard-input*))
- (loop (let ((char (read-char stream)))
- (unless (sb!impl::whitespacep char)
- (return (unread-char char stream))))))
-
;;; like LISTEN, but any whitespace in the input stream will be flushed
(defun listen-skip-whitespace (&optional (stream *standard-input*))
(do ((char (read-char-no-hang stream nil nil nil)
- (read-char-no-hang stream nil nil nil)))
+ (read-char-no-hang stream nil nil nil)))
((null char) nil)
- (cond ((not (whitespace-char-p char))
- (unread-char char stream)
- (return t)))))
+ (cond ((not (whitespacep char))
+ (unread-char char stream)
+ (return t)))))
\f
;;;; helpers for C library calls
;;; errno problem, arranging for the condition's print representation
;;; to be similar to the ANSI C perror(3) style.
(defun simple-perror (prefix-string
- &key
- (errno (get-errno))
- (simple-error 'simple-error)
- other-condition-args)
+ &key
+ (errno (get-errno))
+ (simple-error 'simple-error)
+ other-condition-args)
(declare (type symbol simple-error))
(aver (subtypep simple-error 'simple-condition))
(aver (subtypep simple-error 'error))
(apply #'error
- simple-error
- :format-control "~@<~A: ~2I~_~A~:>"
- :format-arguments (list prefix-string (strerror errno))
- other-condition-args))
-\f
-;;;; optimization idioms
-
-(eval-when (:compile-toplevel :load-toplevel :execute)
-
- ;; Byte compile this thing if possible.
- (defvar *optimize-byte-compilation*
- '(optimize (speed 0) (safety 1)))
-
- ;; This thing is externally visible, so compiling meta-information
- ;; is more important than byte-compiling it; but it's otherwise
- ;; suitable for byte-compilation.
- ;;
- ;; (As long as the byte compiler isn't capable of compiling
- ;; meta-information such as the argument list required by functions
- ;; (as in sbcl-0.6.12, anyway), it's not suitable for compiling
- ;; externally visible things like CL:INSPECT even if their speed
- ;; requirements are small enough that it'd otherwise be OK. If some
- ;; later version of the byte compiler learns to compile such
- ;; meta-information, we'll probably change the implementation of
- ;; this idiom so that it causes byte compilation of the thing after
- ;; all.)
- (defvar *optimize-external-despite-byte-compilation*
- '(optimize (speed 1)
- ;; still might as well be as small as possible..
- (space 3))))
+ simple-error
+ :format-control "~@<~A: ~2I~_~A~:>"
+ :format-arguments (list prefix-string (strerror errno))
+ other-condition-args))
projects / sbcl.git / blobdiff