/usr/lib/gambc4/_kernel#.scm is in libgambc4 4.2.8-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;;; File: "_kernel#.scm", Time-stamp: <2008-02-15 00:38:47 feeley>
;;; Copyright (c) 1994-2008 by Marc Feeley, All Rights Reserved.
;;;============================================================================
;;; Representation of exceptions.
(define-library-type exception
id: 0bf9b656-b071-404a-a514-0fb9d05cf518
constructor: #f
extender: define-library-type-of-exception
opaque:
)
(define-library-type-of-exception heap-overflow-exception
id: d69cd396-01e0-4dcb-87dc-31acea8e0e5f
constructor: #f
opaque:
)
(define-library-type-of-exception stack-overflow-exception
id: f512c9f6-3b24-4c5c-8c8b-cabd75b2f951
constructor: #f
opaque:
)
(define-library-type-of-exception nonprocedure-operator-exception
id: f39d07ce-436d-40ca-b81f-cdc65d16b7f2
constructor: #f
opaque:
(operator unprintable: read-only:)
(arguments unprintable: read-only:)
(code unprintable: read-only:)
(rte unprintable: read-only:)
)
(define-library-type-of-exception wrong-number-of-arguments-exception
id: 2138cd7f-8c42-4164-b56a-a8c7badf3323
constructor: #f
opaque:
(procedure unprintable: read-only:)
(arguments unprintable: read-only:)
)
(define-library-type-of-exception keyword-expected-exception
id: 3fd6c57f-3c80-4436-a430-57ea4457c11e
constructor: #f
opaque:
(procedure unprintable: read-only:)
(arguments unprintable: read-only:)
)
(define-library-type-of-exception unknown-keyword-argument-exception
id: 3f9f8aaa-ea21-4f2b-bc06-f65950e6c408
constructor: #f
opaque:
(procedure unprintable: read-only:)
(arguments unprintable: read-only:)
)
(define-library-type-of-exception cfun-conversion-exception
id: 9f09b552-0fb7-42c5-b0d4-212155841d53
constructor: #f
opaque:
(procedure unprintable: read-only:)
(arguments unprintable: read-only:)
(code unprintable: read-only:)
(message unprintable: read-only:)
)
(define-library-type-of-exception sfun-conversion-exception
id: 54dfbc02-718d-4a34-91ab-d1861da7500a
constructor: #f
opaque:
(procedure unprintable: read-only:)
(arguments unprintable: read-only:)
(code unprintable: read-only:)
(message unprintable: read-only:)
)
(define-library-type-of-exception multiple-c-return-exception
id: 73c66686-a08f-4c7c-a0f1-5ad7771f242a
constructor: #f
opaque:
)
(define-library-type-of-exception number-of-arguments-limit-exception
id: f9519b37-d6d4-4748-8eb1-a0c8dc18c5e7
constructor: #f
opaque:
(procedure unprintable: read-only:)
(arguments unprintable: read-only:)
)
(define-library-type-of-exception type-exception
id: cf06eccd-bf2c-4b30-a6ce-394b345a0dee
constructor: #f
opaque:
(procedure unprintable: read-only:)
(arguments unprintable: read-only:)
(arg-num unprintable: read-only:)
(type-id unprintable: read-only:)
)
(define-library-type-of-exception os-exception
id: c1fc166b-d951-4871-853c-2b6c8c12d28d
constructor: #f
opaque:
(procedure unprintable: read-only:)
(arguments unprintable: read-only:)
(message unprintable: read-only:)
(code unprintable: read-only:)
)
(define-library-type-of-exception no-such-file-or-directory-exception
id: 299ccee1-77d2-4a6d-ab24-2ebf14297315
constructor: #f
opaque:
(procedure unprintable: read-only:)
(arguments unprintable: read-only:)
)
;;;----------------------------------------------------------------------------
;;; Define type checking macros.
(define-check-type foreign 'foreign
##foreign?)
;;;----------------------------------------------------------------------------
;;; Debug settings.
(##define-macro (macro-debug-settings-level-mask) 15)
(##define-macro (macro-debug-settings-level-shift) 0)
(##define-macro (macro-debug-settings-uncaught-mask) 16)
(##define-macro (macro-debug-settings-uncaught-primordial) 0)
(##define-macro (macro-debug-settings-uncaught-all) 1)
(##define-macro (macro-debug-settings-uncaught-shift) 4)
(##define-macro (macro-debug-settings-error-mask) 96)
(##define-macro (macro-debug-settings-error-repl) 0)
(##define-macro (macro-debug-settings-error-single-step) 1)
(##define-macro (macro-debug-settings-error-quit) 2)
(##define-macro (macro-debug-settings-error-shift) 5)
(##define-macro (macro-debug-settings-repl-mask) 384)
(##define-macro (macro-debug-settings-repl-ide) 0)
(##define-macro (macro-debug-settings-repl-console) 1)
(##define-macro (macro-debug-settings-repl-stdio) 2)
(##define-macro (macro-debug-settings-repl-shift) 7)
(##define-macro (macro-debug-settings-user-intr-mask) 1536)
(##define-macro (macro-debug-settings-user-intr-repl) 0)
(##define-macro (macro-debug-settings-user-intr-defer) 1)
(##define-macro (macro-debug-settings-user-intr-quit) 2)
(##define-macro (macro-debug-settings-user-intr-shift) 9)
(##define-macro (macro-debug-settings-level settings)
`(##fixnum.arithmetic-shift-right
(##fixnum.bitwise-and ,settings
(macro-debug-settings-level-mask))
(macro-debug-settings-level-shift)))
(##define-macro (macro-debug-settings-uncaught settings)
`(##fixnum.arithmetic-shift-right
(##fixnum.bitwise-and ,settings
(macro-debug-settings-uncaught-mask))
(macro-debug-settings-uncaught-shift)))
(##define-macro (macro-debug-settings-error settings)
`(##fixnum.arithmetic-shift-right
(##fixnum.bitwise-and ,settings
(macro-debug-settings-error-mask))
(macro-debug-settings-error-shift)))
(##define-macro (macro-debug-settings-repl settings)
`(##fixnum.arithmetic-shift-right
(##fixnum.bitwise-and ,settings
(macro-debug-settings-repl-mask))
(macro-debug-settings-repl-shift)))
(##define-macro (macro-debug-settings-user-intr settings)
`(##fixnum.arithmetic-shift-right
(##fixnum.bitwise-and ,settings
(macro-debug-settings-user-intr-mask))
(macro-debug-settings-user-intr-shift)))
;;;----------------------------------------------------------------------------
;;; Terminal settings.
(##define-macro (macro-terminal-settings-encoding-mask) 15)
(##define-macro (macro-terminal-settings-encoding-shift) 0)
(##define-macro (macro-terminal-settings-enable-line-edit) 16)
(##define-macro (macro-terminal-settings-encoding settings)
`(##fixnum.arithmetic-shift-right
(##fixnum.bitwise-and ,settings
(macro-terminal-settings-encoding-mask))
(macro-terminal-settings-encoding-shift)))
(##define-macro (macro-terminal-settings-enable-line-edit? settings)
`(##not (##fixnum.=
(##fixnum.bitwise-and ,settings
(macro-terminal-settings-enable-line-edit))
0)))
;;;----------------------------------------------------------------------------
;;; Exit codes.
(##define-macro (macro-EXIT-CODE-OK) 0)
(##define-macro (macro-EXIT-CODE-USAGE) 64)
(##define-macro (macro-EXIT-CODE-DATAERR) 65)
(##define-macro (macro-EXIT-CODE-NOINPUT) 66)
(##define-macro (macro-EXIT-CODE-NOUSER) 67)
(##define-macro (macro-EXIT-CODE-NOHOST) 68)
(##define-macro (macro-EXIT-CODE-UNAVAILABLE) 69)
(##define-macro (macro-EXIT-CODE-SOFTWARE) 70)
(##define-macro (macro-EXIT-CODE-OSERR) 71)
(##define-macro (macro-EXIT-CODE-OSFILE) 72)
(##define-macro (macro-EXIT-CODE-CANTCREAT) 73)
(##define-macro (macro-EXIT-CODE-IOERR) 74)
(##define-macro (macro-EXIT-CODE-TEMPFAIL) 75)
(##define-macro (macro-EXIT-CODE-PROTOCOL) 76)
(##define-macro (macro-EXIT-CODE-NOPERM) 77)
(##define-macro (macro-EXIT-CODE-CONFIG) 78)
;;;----------------------------------------------------------------------------
;;; Representation of fifos.
(##define-macro (macro-make-fifo)
`(let ((fifo (##cons '() '())))
(macro-fifo-tail-set! fifo fifo)
fifo))
(##define-macro (macro-fifo-next fifo) `(##cdr ,fifo))
(##define-macro (macro-fifo-next-set! fifo x) `(##set-cdr! ,fifo ,x))
(##define-macro (macro-fifo-tail fifo) `(##car ,fifo))
(##define-macro (macro-fifo-tail-set! fifo x) `(##set-car! ,fifo ,x))
(##define-macro (macro-fifo-elem fifo) `(##car ,fifo))
(##define-macro (macro-fifo-elem-set! fifo x) `(##set-car! ,fifo ,x))
(##define-macro (macro-fifo->list fifo)
`(macro-fifo-next ,fifo))
(##define-macro (macro-fifo-remove-all! fifo)
`(let ((fifo ,fifo))
(##declare (not interrupts-enabled))
(let ((head (macro-fifo-next fifo)))
(macro-fifo-tail-set! fifo fifo)
(macro-fifo-next-set! fifo '())
head)))
(##define-macro (macro-fifo-remove-head! fifo)
`(let ((fifo ,fifo))
(##declare (not interrupts-enabled))
(let ((head (macro-fifo-next fifo)))
(if (##pair? head)
(let ((next (macro-fifo-next head)))
(if (##null? next)
(macro-fifo-tail-set! fifo fifo))
(macro-fifo-next-set! fifo next)
(macro-fifo-next-set! head '())))
head)))
(##define-macro (macro-fifo-insert-at-tail! fifo elem)
`(let ((fifo ,fifo) (elem ,elem))
(let ((x (##cons elem '())))
(##declare (not interrupts-enabled))
(let ((tail (macro-fifo-tail fifo)))
(macro-fifo-next-set! tail x)
(macro-fifo-tail-set! fifo x)
(##void)))))
(##define-macro (macro-fifo-insert-at-head! fifo elem)
`(let ((fifo ,fifo) (elem ,elem))
(let ((x (##cons elem '())))
(##declare (not interrupts-enabled))
;; To obtain an atomic update of the fifo, we must force a
;; garbage-collection to occur right away if needed by the
;; ##cons, so that any finalization that might mutate this fifo
;; will be done before updating the fifo.
(##check-heap-limit)
(let ((head (macro-fifo-next fifo)))
(if (##null? head)
(macro-fifo-tail-set! fifo x))
(macro-fifo-next-set! fifo x)
(macro-fifo-next-set! x head)
(##void)))))
(##define-macro (macro-fifo-advance-to-tail! fifo)
`(let ((fifo ,fifo))
;; It is assumed that the fifo contains at least one element
;; (i.e. the fifo's tail does not change).
(let ((new-head (macro-fifo-tail fifo)))
(macro-fifo-next-set! fifo new-head)
(macro-fifo-elem new-head))))
(##define-macro (macro-fifo-advance! fifo)
`(let ((fifo ,fifo))
;; It is assumed that the fifo contains at least two elements
;; (i.e. the fifo's tail does not change).
(let* ((head (macro-fifo-next fifo))
(new-head (macro-fifo-next head)))
(macro-fifo-next-set! fifo new-head)
(macro-fifo-elem new-head))))
;;;============================================================================
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