1.0.17.24: refactor handling of constants in the compiler

[sbcl.git] / contrib / sb-bsd-sockets / sockets.lisp

diff --git a/contrib/sb-bsd-sockets/sockets.lisp b/contrib/sb-bsd-sockets/sockets.lisp
index 829829a..549b471 100644 (file)
--- a/contrib/sb-bsd-sockets/sockets.lisp
+++ b/contrib/sb-bsd-sockets/sockets.lisp
@@ -5,10 +5,6 @@
 
 (eval-when (:load-toplevel :compile-toplevel :execute)
 
-#+win32
-(defvar *wsa-startup-call*
-  (sockint::wsa-startup (sockint::make-wsa-version 2 2)))
-
 (defclass socket ()
   ((file-descriptor :initarg :descriptor
                     :reader socket-file-descriptor)
@@ -24,7 +20,7 @@ protocol. Other values are used as-is.")
           :reader socket-type
           :documentation "Type of the socket: :STREAM or :DATAGRAM.")
    (stream))
-  (:documentation "Common base class of all sockets, not ment to be
+  (:documentation "Common base class of all sockets, not meant to be
 directly instantiated.")))
 
 (defmethod print-object ((object socket) stream)
@@ -100,7 +96,9 @@ values"))
                                sockaddr
                                (size-of-sockaddr socket))))
       (cond
-        ((and (= fd -1) (= sockint::EAGAIN (sb-unix::get-errno)))
+        ((and (= fd -1)
+              (member (sb-unix::get-errno)
+                      (list sockint::EAGAIN sockint::EINTR)))
          nil)
         ((= fd -1) (socket-error "accept"))
         (t (apply #'values
@@ -158,25 +156,27 @@ values"))
 
 (defgeneric socket-receive (socket buffer length
                             &key
-                            oob peek waitall element-type)
-  (:documentation "Read LENGTH octets from SOCKET into BUFFER (or a freshly-consed buffer if
-NIL), using recvfrom(2).  If LENGTH is NIL, the length of BUFFER is
-used, so at least one of these two arguments must be non-NIL.  If
-BUFFER is supplied, it had better be of an element type one octet wide.
-Returns the buffer, its length, and the address of the peer
-that sent it, as multiple values.  On datagram sockets, sets MSG_TRUNC
-so that the actual packet length is returned even if the buffer was too
-small"))
+                            oob peek waitall dontwait element-type)
+  (:documentation
+   "Read LENGTH octets from SOCKET into BUFFER (or a freshly-consed
+buffer if NIL), using recvfrom(2). If LENGTH is NIL, the length of
+BUFFER is used, so at least one of these two arguments must be
+non-NIL. If BUFFER is supplied, it had better be of an element type
+one octet wide. Returns the buffer, its length, and the address of the
+peer that sent it, as multiple values. On datagram sockets, sets
+MSG_TRUNC so that the actual packet length is returned even if the
+buffer was too small."))
 
 (defmethod socket-receive ((socket socket) buffer length
                            &key
-                           oob peek waitall
+                           oob peek waitall dontwait
                            (element-type 'character))
   (with-sockaddr-for (socket sockaddr)
     (let ((flags
            (logior (if oob sockint::MSG-OOB 0)
                    (if peek sockint::MSG-PEEK 0)
                    (if waitall sockint::MSG-WAITALL 0)
+                   (if dontwait sockint::MSG-DONTWAIT 0)
                    #+linux sockint::MSG-NOSIGNAL ;don't send us SIGPIPE
                    (if (eql (socket-type socket) :datagram)
                        sockint::msg-TRUNC 0))))
@@ -204,7 +204,10 @@ small"))
                                         sockaddr
                                         (sb-alien:addr sa-len))))
                 (cond
-                  ((and (= len -1) (= sockint::EAGAIN (sb-unix::get-errno))) nil)
+                  ((and (= len -1)
+                        (member (sb-unix::get-errno)
+                                (list sockint::EAGAIN sockint::EINTR)))
+                   nil)
                   ((= len -1) (socket-error "recvfrom"))
                   (t (loop for i from 0 below len
                            do (setf (elt buffer i)
@@ -280,7 +283,7 @@ send(2) will be called instead. Returns the number of octets written."))
     (cond
       ((and (= len -1)
             (member (sb-unix::get-errno)
-                    '(sockint::EAGAIN sockint::EINTR)))
+                    (list sockint::EAGAIN sockint::EINTR)))
        nil)
       ((= len -1)
        (socket-error "sendto"))
@@ -355,7 +358,7 @@ SB-SYS:MAKE-FD-STREAM."))
     (unless stream
       (setf stream (apply #'sb-sys:make-fd-stream
                           (socket-file-descriptor socket)
-                          :name "a constant string"
+                          :name "a socket"
                           :dual-channel-p t
                           args))
       (setf (slot-value socket 'stream) stream)