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• Components-of-the-environment-field

Delete-x86-file-des-logic

Signature

(delete-x86-file-des-logic fd x86) → x86

Delete the fd key-value pair in the :FILE-DESCRIPTORS field of the environment.

Definitions and Theorems

Function: delete-x86-file-des-logic

(defun delete-x86-file-des-logic (fd x86)
 (declare (xargs :stobjs (x86)))
 (declare (xargs :guard (integerp fd)))
 (let ((__function__ 'delete-x86-file-des-logic))
  (declare (ignorable __function__))
  (b*
   ((env (env-read x86))
    (file-des-field (cdr (assoc-equal :file-descriptors env)))
    (x86
     (env-write (acons ':file-descriptors
                       (remove1-assoc-equal fd file-des-field)
                       (acons ':file-contents
                              (cdr (assoc-equal :file-contents env))
                              (acons ':oracle
                                     (cdr (assoc-equal :oracle env))
                                     nil)))
                x86)))
   x86)))