(assert (= (read-byte in) i)))
(process-close process))))
+#+sb-thread
+(with-test (:name :run-program-cat-2)
+ ;; Tests that reading from a FIFO is interruptible.
+ (let* ((process (sb-ext:run-program "/bin/cat" '()
+ :wait nil
+ :output :stream :input :stream))
+ (in (process-input process))
+ (out (process-output process))
+ (sem (sb-thread:make-semaphore))
+ (state :init)
+ (writer (sb-thread:make-thread (lambda ()
+ (sb-thread:wait-on-semaphore sem)
+ (setf state :sleep)
+ (sleep 2)
+ (setf state :write)
+ (write-line "OK" in)
+ (finish-output in))))
+ (timeout nil)
+ (got nil)
+ (unwind nil))
+ (sb-thread:signal-semaphore sem)
+ (handler-case
+ (with-timeout 0.1
+ (unwind-protect
+ (setf got (read-line out))
+ (setf unwind state)))
+ (timeout ()
+ (setf timeout t)))
+ (assert (not got))
+ (assert timeout)
+ (assert (eq unwind :sleep))
+ (sb-thread:join-thread writer)
+ (assert (equal "OK" (read-line out)))))
+
;;; Test driving an external program (cat) through pipes wrapped in
;;; composite streams.
(defun read-linish (stream)
(with-output-to-string (s)
(loop for c = (read-char stream)
- while (and c (not (eq #\newline c)) (not (eq #\return c)))
- do (write-char c s))))
+ while (and c (not (eq #\newline c)))
+ ;; Some eds like to send \r\n
+ do (unless (eq #\return c)
+ (write-char c s)))))
(defun assert-ed (command response)
(when command
(write-line command *ed-in*)
(force-output *ed-in*))
- (let ((got (read-linish *ed-out*)))
- (unless (equal response got)
- (error "wanted ~S from ed, got ~S" response got)))
+ (when response
+ (let ((got (read-linish *ed-out*)))
+ (unless (equal response got)
+ (error "wanted '~A' from ed, got '~A'" response got))))
*ed*)
(unwind-protect
(with-test (:name :run-program-ed)
(assert-ed nil "4")
- (assert-ed ".s/bar/baz/g" "")
+ (assert-ed ".s/bar/baz/g" nil)
(assert-ed "w" "4")
- (assert-ed "q" "")
+ (assert-ed "q" nil)
(process-wait *ed*)
(with-open-file (f *tmpfile*)
(assert (equal "baz" (read-line f)))))
:search t :wait t)))
(when file
(delete-file file))))
+
+;;; This used to crash on Darwin and trigger recursive lock errors on
+;;; every platform.
+(with-test (:name (:run-program :stress))
+ ;; Do it a hundred times in batches of 10 so that with a low limit
+ ;; of the number of processes the test can have a chance to pass.
+ (loop
+ repeat 10 do
+ (map nil
+ #'sb-ext:process-wait
+ (loop repeat 10
+ collect
+ (sb-ext:run-program "/bin/echo" '
+ ("It would be nice if this didn't crash.")
+ :wait nil :output nil)))))
+
+(with-test (:name (:run-program :pty-stream))
+ (assert (equal "OK"
+ (subseq
+ (with-output-to-string (s)
+ (assert (= 42 (process-exit-code
+ (run-program "/bin/sh" '("-c" "echo OK; exit 42") :wait t
+ :pty s))))
+ s)
+ 0
+ 2))))
+
+;; Check whether RUN-PROGRAM puts its child process into the foreground
+;; when stdin is inherited. If it fails to do so we will receive a SIGTTIN.
+;;
+;; We can't check for the signal itself since run-program.c resets the
+;; forked process' signal mask to defaults. But the default is `stop'
+;; of which we can be notified asynchronously by providing a status hook.
+(with-test (:name (:run-program :inherit-stdin))
+ (let (stopped)
+ (flet ((status-hook (proc)
+ (case (sb-ext:process-status proc)
+ (:stopped (setf stopped t)))))
+ (let ((proc (sb-ext:run-program "/bin/ed" nil :search nil :wait nil
+ :input t :output t
+ :status-hook #'status-hook)))
+ ;; Give the program a generous time to generate the SIGTTIN.
+ ;; If it hasn't done so after that time we can consider it
+ ;; to be working (i.e. waiting for input without generating SIGTTIN).
+ (sleep 0.5)
+ ;; either way we have to signal it to terminate
+ (process-kill proc sb-posix:sigterm)
+ (process-close proc)
+ (assert (not stopped))))))
+
projects / sbcl.git / blobdiff