X-Git-Url: http://git.kpe.io/?p=kmrcl.git;a=blobdiff_plain;f=os.lisp;h=5db6be7895700eee4ae2c86f8dfc92bb709ee73e;hp=cce2a2f99fe80f7b221487d08d01ad1f2a20a3c1;hb=90225d9ba12f7a9116bcc923afdaf6e76a8c6728;hpb=6ab952c17ac4beec2f239dda5e8cf062fc3824d2

diff --git a/os.lisp b/os.lisp
index cce2a2f..5db6be7 100644
--- a/os.lisp
+++ b/os.lisp
@@ -15,11 +15,11 @@
 
 (defun command-output (control-string &rest args)
   "Interpolate ARGS into CONTROL-STRING as if by FORMAT, and
-synchronously execute the result using a Bourne-compatible shell, 
+synchronously execute the result using a Bourne-compatible shell,
 returns (VALUES string-output error-output exit-status)"
   (let ((command (apply #'format nil control-string args)))
     #+sbcl
-    (let* ((process (sb-ext:run-program  
+    (let* ((process (sb-ext:run-program
 		    "/bin/sh"
 		    (list "-c" command)
 		    :input nil :output :stream :error :stream))
@@ -30,11 +30,11 @@ returns (VALUES string-output error-output exit-status)"
       (values
        output
        error
-       (sb-impl::process-exit-code process)))    
+       (sb-impl::process-exit-code process)))
+
 
-    
     #+(or cmu scl)
-    (let* ((process (ext:run-program  
+    (let* ((process (ext:run-program
 		     "/bin/sh"
 		     (list "-c" command)
 		     :input nil :output :stream :error :stream))
@@ -52,12 +52,12 @@ returns (VALUES string-output error-output exit-status)"
     (multiple-value-bind (output error status)
 	(excl.osi:command-output command :whole t)
       (values output error status))
-    
+
     #+lispworks
     ;; BUG: Lispworks combines output and error streams
     (let ((output (make-string-output-stream)))
       (unwind-protect
-	  (let ((status 
+	  (let ((status
 		 (system:call-system-showing-output
 		  command
 		  :prefix ""
@@ -65,16 +65,16 @@ returns (VALUES string-output error-output exit-status)"
 		  :output-stream output)))
 	    (values (get-output-stream-string output) nil status))
 	(close output)))
-    
-    #+clisp		
+
+    #+clisp
     ;; BUG: CLisp doesn't allow output to user-specified stream
     (values
      nil
      nil
      (ext:run-shell-command  command :output :terminal :wait t))
-    
+
     #+openmcl
-    (let* ((process (ccl:run-program  
+    (let* ((process (ccl:run-program
 		     "/bin/sh"
 		     (list "-c" command)
 		     :input nil :output :stream :error :stream
@@ -86,7 +86,7 @@ returns (VALUES string-output error-output exit-status)"
       (values output
 	      error
 	      (nth-value 1 (ccl::external-process-status process))))
-  
+
     #-(or openmcl clisp lispworks allegro scl cmu sbcl)
     (error "COMMAND-OUTPUT not implemented for this Lisp")
 
@@ -94,24 +94,24 @@ returns (VALUES string-output error-output exit-status)"
 
 (defun run-shell-command (control-string &rest args)
   "Interpolate ARGS into CONTROL-STRING as if by FORMAT, and
-synchronously execute the result using a Bourne-compatible shell, 
+synchronously execute the result using a Bourne-compatible shell,
 returns (VALUES output-string pid)"
   (let ((command (apply #'format nil control-string args)))
     #+sbcl
     (sb-impl::process-exit-code
-     (sb-ext:run-program  
+     (sb-ext:run-program
       "/bin/sh"
       (list  "-c" command)
       :input nil :output nil))
-    
+
     #+(or cmu scl)
     (ext:process-exit-code
-     (ext:run-program  
+     (ext:run-program
       "/bin/sh"
       (list  "-c" command)
       :input nil :output nil))
-    
-    
+
+
     #+allegro
     (excl:run-shell-command command :input nil :output nil
 			    :wait t)
@@ -123,17 +123,17 @@ returns (VALUES output-string pid)"
      :show-cmd nil
      :prefix ""
      :output-stream nil)
-    
+
     #+clisp		;XXX not exactly *verbose-out*, I know
     (ext:run-shell-command  command :output :terminal :wait t)
-    
+
     #+openmcl
     (nth-value 1
 	       (ccl:external-process-status
 		(ccl:run-program "/bin/sh" (list "-c" command)
 				 :input nil :output nil
 				 :wait t)))
-	   
+
     #-(or openmcl clisp lispworks allegro scl cmu sbcl)
     (error "RUN-SHELL-PROGRAM not implemented for this Lisp")
 
@@ -159,3 +159,21 @@ returns (VALUES output-string pid)"
     #-allegro
     (with-open-file (in file :direction :input)
       (file-length in))))
+
+(defun getpid ()
+  "Return the PID of the lisp process."
+  #+allegro (excl::getpid)
+  #+(and lispworks win32) (win32:get-current-process-id)
+  #+(and lispworks (not win32)) (system::getpid)
+  #+sbcl (sb-posix:getpid)
+  #+cmu (unix:unix-getpid)
+  #+openmcl (ccl::getpid)
+  #+(and clisp unix) (system::process-id)
+  #+(and clisp win32) (cond ((find-package :win32)
+			     (funcall (find-symbol "GetCurrentProcessId"
+						   :win32)))
+			    (t
+			     (system::getenv "PID")))
+  )
+
+