configure that WINSOCK is very different about SO_REUSEADDR

src/libCom/osi/os/WIN32/osdSock.h

@@ -57,4 +57,13 @@ typedef int osiSocklen_t;
  */
 #define FD_IN_FDSET(FD) (1)
 
-epicsShareFunc unsigned epicsShareAPI wsaMajorVersion ();
+epicsShareFunc unsigned epicsShareAPI wsaMajorVersion ();
+
+/*
+ * Note: WINSOCK appears to assign a different functionality for 
+ * SO_REUSEADDR compared to other OS. With WINSOCK SO_REUSEADDR indicates
+ * that other servers can bind to the same TCP port on the same host!
+ * Also, servers are always enabled to reuse a port immediately after 
+ * they exit.
+ */
+#define SO_REUSEADDR_DOES_NOT_RELEASE_TCP_PORT

src/rsrv/caservertask.c

@@ -312,15 +312,17 @@ LOCAL int req_server (void)
         threadSuspendSelf ();
     }
 
-    flag = 1;
-    status = setsockopt ( IOC_sock,  SOL_SOCKET, SO_REUSEADDR,
-                (char *) &flag, sizeof (flag) );
-    if ( status < 0 ) {
-        int errnoCpy = SOCKERRNO;
-        errlogPrintf (
-    "%s: set socket option SO_REUSEADDR failed because \"%s\"\n", 
-                __FILE__, SOCKERRSTR (errnoCpy) );
-    }
+#   ifndef SO_REUSEADDR_DOES_NOT_RELEASE_TCP_PORT
+        flag = 1;
+        status = setsockopt ( IOC_sock,  SOL_SOCKET, SO_REUSEADDR,
+                    (char *) &flag, sizeof (flag) );
+        if ( status < 0 ) {
+            int errnoCpy = SOCKERRNO;
+            errlogPrintf (
+        "%s: set socket option SO_REUSEADDR failed because \"%s\"\n", 
+                    __FILE__, SOCKERRSTR (errnoCpy) );
+        }
+#   endif
 
     /* listen and accept new connections */
     if ( listen ( IOC_sock, 10 ) < 0 ) {

src/util/iocLogServer.c

@@ -47,6 +47,9 @@
  * .09 050494 pg        HPUX port changes.
  * .10 021694 joh	ANSI C	
  * $Log$
+ * Revision 1.38  2000/08/25 19:44:30  jhill
+ * fixed Linux uses unsigned where int is used on other OS
+ *
  * Revision 1.37  2000/02/10 17:47:13  jhill
  * dont include osiSockResource.h
  *
@@ -240,16 +243,18 @@ int main()
 		return IOCLS_ERROR;
 	}
 	
-	optval = TRUE;
-	status = setsockopt(    pserver->sock,
-							SOL_SOCKET,
-							SO_REUSEADDR,
-							(char *) &optval,
-							sizeof(optval));
-	if(status<0){
-		fprintf(stderr, "iocLogServer: setsockopt err %s\n", SOCKERRSTR(SOCKERRNO));
-		return IOCLS_ERROR;
-	}
+#   ifndef SO_REUSEADDR_DOES_NOT_RELEASE_TCP_PORT
+	    optval = TRUE;
+	    status = setsockopt(    pserver->sock,
+							    SOL_SOCKET,
+							    SO_REUSEADDR,
+							    (char *) &optval,
+							    sizeof(optval));
+	    if(status<0){
+		    fprintf(stderr, "iocLogServer: setsockopt err %s\n", SOCKERRSTR(SOCKERRNO));
+		    return IOCLS_ERROR;
+	    }
+#   endif
 
 	/* Zero the sock_addr structure */
 	memset((void *)&serverAddr, 0, sizeof serverAddr);