(defun unix-environment-cmucl-from-sbcl (sbcl)
(mapcan
(lambda (string)
- (declare (type simple-string string))
+ (declare (type simple-base-string string))
(let ((=-pos (position #\= string :test #'equal)))
(if =-pos
(list
(mapcar
(lambda (cons)
(destructuring-bind (key . val) cons
- (declare (type keyword key) (type simple-string val))
- (concatenate 'simple-string (symbol-name key) "=" val)))
+ (declare (type keyword key) (type simple-base-string val))
+ (concatenate 'simple-base-string (symbol-name key) "=" val)))
cmucl))
\f
;;;; Import wait3(2) from Unix.
(values pid
(if (position signal
#.(vector
- (sb-unix:unix-signal-number :sigstop)
- (sb-unix:unix-signal-number :sigtstp)
- (sb-unix:unix-signal-number :sigttin)
- (sb-unix:unix-signal-number :sigttou)))
+ sb-unix:sigstop
+ sb-unix:sigtstp
+ sb-unix:sigttin
+ sb-unix:sigttou))
:stopped
:signaled)
signal
(sb-unix:unix-ioctl (sb-sys:fd-stream-fd (process-pty proc))
sb-unix:TIOCSIGSEND
(sb-sys:int-sap
- (sb-unix:unix-signal-number signal))))
+ signal)))
((:process-group #-hpux :pty-process-group)
(sb-unix:unix-killpg pid signal))
(t
(cond ((not okay)
(values nil errno))
((and (eql pid (process-pid proc))
- (= (sb-unix:unix-signal-number signal)
- (sb-unix:unix-signal-number :sigcont)))
+ (= signal sb-unix:sigcont))
(setf (process-%status proc) :running)
(setf (process-exit-code proc) nil)
(when (process-status-hook proc)
(defun find-a-pty ()
(dolist (char '(#\p #\q))
(dotimes (digit 16)
- (let* ((master-name (format nil "/dev/pty~C~X" char digit))
+ (let* ((master-name (coerce (format nil "/dev/pty~C~X" char digit) 'base-string))
(master-fd (sb-unix:unix-open master-name
sb-unix:o_rdwr
#o666)))
(when master-fd
- (let* ((slave-name (format nil "/dev/tty~C~X" char digit))
+ (let* ((slave-name (coerce (format nil "/dev/tty~C~X" char digit) 'base-string))
(slave-fd (sb-unix:unix-open slave-name
sb-unix:o_rdwr
#o666)))
(let ((string-bytes 0)
;; We need an extra for the null, and an extra 'cause exect
;; clobbers argv[-1].
- (vec-bytes (* #-alpha 4 #+alpha 8 (+ (length string-list) 2))))
+ (vec-bytes (* #.(/ sb-vm::n-machine-word-bits sb-vm::n-byte-bits)
+ (+ (length string-list) 2))))
(declare (fixnum string-bytes vec-bytes))
(dolist (s string-list)
(enforce-type s simple-string)
(let* ((total-bytes (+ string-bytes vec-bytes))
(vec-sap (sb-sys:allocate-system-memory total-bytes))
(string-sap (sap+ vec-sap vec-bytes))
- (i #-alpha 4 #+alpha 8))
+ (i #.(/ sb-vm::n-machine-word-bits sb-vm::n-byte-bits)))
(declare (type (and unsigned-byte fixnum) total-bytes i)
(type sb-sys:system-area-pointer vec-sap string-sap))
(dolist (s string-list)
(declare (simple-string s))
(let ((n (length s)))
;; Blast the string into place.
- (sb-kernel:copy-to-system-area (the simple-string s)
- (* sb-vm:vector-data-offset
- sb-vm:n-word-bits)
- string-sap 0
- (* (1+ n) sb-vm:n-byte-bits))
+ (sb-kernel:copy-ub8-to-system-area (the simple-base-string
+ ;; FIXME
+ (coerce s 'simple-base-string))
+ 0
+ string-sap 0
+ (1+ n))
;; Blast the pointer to the string into place.
(setf (sap-ref-sap vec-sap i) string-sap)
(setf string-sap (sap+ string-sap (round-bytes-to-words (1+ n))))
- (incf i #-alpha 4 #+alpha 8)))
+ (incf i #.(/ sb-vm::n-machine-word-bits sb-vm::n-byte-bits))))
;; Blast in the last null pointer.
(setf (sap-ref-sap vec-sap i) (int-sap 0))
- (values vec-sap (sap+ vec-sap #-alpha 4 #+alpha 8) total-bytes))))
+ (values vec-sap (sap+ vec-sap #.(/ sb-vm::n-machine-word-bits
+ sb-vm::n-byte-bits))
+ total-bytes))))
(defmacro with-c-strvec ((var str-list) &body body)
(with-unique-names (sap size)
(stderr sb-alien:int))
;;; Is UNIX-FILENAME the name of a file that we can execute?
-;;; XXX does this actually work for symlinks?
(defun unix-filename-is-executable-p (unix-filename)
(declare (type simple-string unix-filename))
+ (setf unix-filename (coerce unix-filename 'base-string))
(values (and (eq (sb-unix:unix-file-kind unix-filename) :file)
(sb-unix:unix-access unix-filename sb-unix:x_ok))))
+(defun find-executable-in-search-path (pathname
+ &optional
+ (search-path (posix-getenv "PATH")))
+ "Find the first executable file matching PATHNAME in any of the colon-separated list of pathnames SEARCH-PATH"
+ (loop for end = (position #\: search-path :start (if end (1+ end) 0))
+ and start = 0 then (and end (1+ end))
+ while start
+ ;; <Krystof> the truename of a file naming a directory is the
+ ;; directory, at least until pfdietz comes along and says why
+ ;; that's noncompliant -- CSR, c. 2003-08-10
+ for truename = (probe-file (subseq search-path start end))
+ for fullpath = (when truename (merge-pathnames pathname truename))
+ when (and fullpath
+ (unix-filename-is-executable-p (namestring fullpath)))
+ return fullpath))
+
;;; FIXME: There shouldn't be two semiredundant versions of the
;;; documentation. Since this is a public extension function, the
;;; documentation should be in the doc string. So all information from
(posix-environ))
environment-p)
(wait t)
+ search
pty
input
if-input-does-not-exist
The &KEY arguments have the following meanings:
:ENVIRONMENT
- a list of SIMPLE-STRINGs describing the new Unix environment (as
- in \"man environ\"). The default is to copy the environment of
+ a list of SIMPLE-BASE-STRINGs describing the new Unix environment
+ (as in \"man environ\"). The default is to copy the environment of
the current process.
:ENV
an alternative lossy representation of the new Unix environment,
for compatibility with CMU CL
+ :SEARCH
+ Look for PROGRAM in each of the directories along the $PATH
+ environment variable. Otherwise an absolute pathname is required.
+ (See also FIND-EXECUTABLE-IN-SEARCH-PATH)
:WAIT
If non-NIL (default), wait until the created process finishes. If
NIL, continue running Lisp until the program finishes.
(when (and env-p environment-p)
(error "can't specify :ENV and :ENVIRONMENT simultaneously"))
;; Make sure that the interrupt handler is installed.
- (sb-sys:enable-interrupt :sigchld #'sigchld-handler)
+ (sb-sys:enable-interrupt sb-unix:sigchld #'sigchld-handler)
;; Prepend the program to the argument list.
(push (namestring program) args)
(let (;; Clear various specials used by GET-DESCRIPTOR-FOR to
;; designator, but internally we'd like SIMPLE-STRINGs.
(simple-args (mapcar (lambda (x) (coerce x 'simple-string)) args)))
(unwind-protect
- (let (;; FIXME: The old code here used to do
- ;; (MERGE-PATHNAMES PROGRAM "path:"),
- ;; which is the right idea (searching through the Unix
- ;; PATH). Unfortunately, there is no logical pathname
- ;; "path:" defined in sbcl-0.6.10. It would probably be
- ;; reasonable to restore Unix PATH searching in SBCL, e.g.
- ;; with a function FIND-EXECUTABLE-FILE-IN-POSIX-PATH.
- ;; CMU CL did it with a "PATH:" search list, but CMU CL
- ;; search lists are a non-ANSI extension that SBCL
- ;; doesn't support. -- WHN)
- (pfile (unix-namestring program t))
+ (let ((pfile
+ (if search
+ (let ((p (find-executable-in-search-path program)))
+ (and p (unix-namestring p t)))
+ (unix-namestring program t)))
(cookie (list 0)))
(unless pfile
(error "no such program: ~S" program))
;;; stream.
(defun copy-descriptor-to-stream (descriptor stream cookie)
(incf (car cookie))
- (let ((string (make-string 256))
+ (let ((string (make-string 256 :element-type 'base-char))
handler)
(setf handler
(sb-sys:add-fd-handler
~2I~_~A~:>"
(strerror errno)))
(t
- (sb-kernel:copy-from-system-area
+ (sb-kernel:copy-ub8-from-system-area
(alien-sap buf) 0
- string (* sb-vm:vector-data-offset
- sb-vm:n-word-bits)
- (* count sb-vm:n-byte-bits))
+ string 0
+ count)
(write-string string stream
:end count)))))))))))
;; Use /dev/null.
(multiple-value-bind
(fd errno)
- (sb-unix:unix-open "/dev/null"
+ (sb-unix:unix-open #.(coerce "/dev/null" 'base-string)
(case direction
(:input sb-unix:o_rdonly)
(:output sb-unix:o_wronly)
(dotimes (count
256
(error "could not open a temporary file in /tmp"))
- (let* ((name (format nil "/tmp/.run-program-~D" count))
+ (let* ((name (coerce (format nil "/tmp/.run-program-~D" count) 'base-string))
(fd (sb-unix:unix-open name
(logior sb-unix:o_rdwr
sb-unix:o_creat
(read-line object nil nil)
(unless line
(return))
- (sb-unix:unix-write fd line 0 (length line))
+ (sb-unix:unix-write
+ fd
+ ;; FIXME: this really should be
+ ;; (STRING-TO-OCTETS :EXTERNAL-FORMAT ...).
+ ;; RUN-PROGRAM should take an
+ ;; external-format argument, which should
+ ;; be passed down to here. Something
+ ;; similar should happen on :OUTPUT, too.
+ (map '(vector (unsigned-byte 8)) #'char-code line)
+ 0 (length line))
(if no-cr
(return)
(sb-unix:unix-write fd newline 0 1)))))