X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-extensions.lisp;h=7b13df4cc126888d0391a406512bd9aa89c95937;hb=582503547d172f95aaf118311f09fe6828a6ea72;hp=b80eb8d41bb5dfd33cdca72aef8b47782d5ac65a;hpb=204f2fa9771ad9e55718dc76205afec7d11b3011;p=sbcl.git diff --git a/src/code/target-extensions.lisp b/src/code/target-extensions.lisp index b80eb8d..7b13df4 100644 --- a/src/code/target-extensions.lisp +++ b/src/code/target-extensions.lisp @@ -17,19 +17,25 @@ (in-package "SB!IMPL") -;;;; miscellaneous I/O +;;;; 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.) -;;; INDENTING-FURTHER is a user-level macro which may be used to locally -;;; increment the indentation of a stream. -(defmacro indenting-further (stream more &rest body) +(defvar *before-save-initializations* nil #!+sb-doc - "Causes the output of the indenting Stream to indent More spaces. More is - evaluated twice." - `(unwind-protect - (progn - (incf (sb!impl::indenting-stream-indentation ,stream) ,more) - ,@body) - (decf (sb!impl::indenting-stream-indentation ,stream) ,more))) + "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.") + +(defvar *after-save-initializations* 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.") + +;;;; miscellaneous I/O (defun skip-whitespace (&optional (stream *standard-input*)) (loop (let ((char (read-char stream))) @@ -63,29 +69,3 @@ :format-control "~@<~A: ~2I~_~A~:>" :format-arguments (list prefix-string (strerror errno)) other-condition-args)) - -;;;; 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))))