changeset 13999:f6a2ce6a3e40

7193520: Removed references to Linux kernel version 2.2 Summary: Linux kernel version 2.2 isn't supported anymore. Reviewed-by: chegar, dsamersoff, alanb Contributed-by: John Zavgren <john.zavgren@oracle.com>
author chegar
date Thu, 20 Sep 2012 09:36:55 -0400
parents 0b0453f12ab2
children bd8282a5e0ab
files jdk/src/share/classes/java/net/AbstractPlainDatagramSocketImpl.java jdk/src/solaris/native/java/net/Inet4AddressImpl.c jdk/src/solaris/native/java/net/Inet6AddressImpl.c jdk/src/solaris/native/java/net/NetworkInterface.c jdk/src/solaris/native/java/net/PlainDatagramSocketImpl.c jdk/src/solaris/native/java/net/PlainSocketImpl.c jdk/src/solaris/native/java/net/SocketInputStream.c jdk/src/solaris/native/java/net/bsd_close.c jdk/src/solaris/native/java/net/net_util_md.c jdk/src/solaris/native/java/net/net_util_md.h
diffstat 10 files changed, 92 insertions(+), 361 deletions(-) [+]
line wrap: on
line diff
--- a/jdk/src/share/classes/java/net/AbstractPlainDatagramSocketImpl.java	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/share/classes/java/net/AbstractPlainDatagramSocketImpl.java	Thu Sep 20 09:36:55 2012 -0400
@@ -48,11 +48,6 @@
     protected InetAddress connectedAddress = null;
     private int connectedPort = -1;
 
-    /* cached socket options */
-    private int multicastInterface = 0;
-    private boolean loopbackMode = true;
-    private int ttl = -1;
-
     private static final String os = AccessController.doPrivileged(
         new sun.security.action.GetPropertyAction("os.name")
     );
--- a/jdk/src/solaris/native/java/net/Inet4AddressImpl.c	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/solaris/native/java/net/Inet4AddressImpl.c	Thu Sep 20 09:36:55 2012 -0400
@@ -647,9 +647,10 @@
 #ifdef __linux__
         if (errno != EINVAL && errno != EHOSTUNREACH)
           /*
-           * On some Linuxes, when bound to the loopback interface, sendto
-           * will fail and errno will be set to EINVAL or EHOSTUNREACH.
-           * When that happens, don't throw an exception, just return false.
+           * On some Linux versions, when a socket is bound to the loopback
+           * interface, sendto will fail and errno will be set to
+           * EINVAL or EHOSTUNREACH. When that happens, don't throw an
+           * exception, just return false.
            */
 #endif /*__linux__ */
           NET_ThrowNew(env, errno, "Can't send ICMP packet");
@@ -813,9 +814,10 @@
         case EINVAL:
         case EHOSTUNREACH:
           /*
-           * On some Linuxes, when bound to the loopback interface, connect
-           * will fail and errno will be set to EINVAL or EHOSTUNREACH.
-           * When that happens, don't throw an exception, just return false.
+           * On some Linux versions, when a socket is bound to the loopback
+           * interface, connect will fail and errno will be set to EINVAL
+           * or EHOSTUNREACH.  When that happens, don't throw an exception,
+           * just return false.
            */
 #endif /* __linux__ */
           close(fd);
--- a/jdk/src/solaris/native/java/net/Inet6AddressImpl.c	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/solaris/native/java/net/Inet6AddressImpl.c	Thu Sep 20 09:36:55 2012 -0400
@@ -336,13 +336,7 @@
                 }
                 (*env)->SetByteArrayRegion(env, ipaddress, 0, 16,
                                            (jbyte *)&(((struct sockaddr_in6*)iterator->ai_addr)->sin6_addr));
-#ifdef __linux__
-                if (!kernelIsV22()) {
-                    scope = ((struct sockaddr_in6*)iterator->ai_addr)->sin6_scope_id;
-                }
-#else
                 scope = ((struct sockaddr_in6*)iterator->ai_addr)->sin6_scope_id;
-#endif
                 if (scope != 0) { /* zero is default value, no need to set */
                     (*env)->SetIntField(env, iaObj, ia6_scopeidID, scope);
                     (*env)->SetBooleanField(env, iaObj, ia6_scopeidsetID, JNI_TRUE);
@@ -507,8 +501,9 @@
 #ifdef __linux__
         if (errno != EINVAL && errno != EHOSTUNREACH)
           /*
-           * On some Linuxes, when bound to the loopback interface, sendto
-           * will fail and errno will be set to EINVAL or EHOSTUNREACH.
+           * On some Linux versions, when a socket is  bound to the
+           * loopback interface, sendto will fail and errno will be
+           * set to EINVAL or EHOSTUNREACH.
            * When that happens, don't throw an exception, just return false.
            */
 #endif /*__linux__ */
@@ -623,7 +618,7 @@
      * If we can create a RAW socket, then when can use the ICMP ECHO_REQUEST
      * otherwise we'll try a tcp socket to the Echo port (7).
      * Note that this is empiric, and not connecting could mean it's blocked
-     * or the echo servioe has been disabled.
+     * or the echo service has been disabled.
      */
 
     fd = JVM_Socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
@@ -680,9 +675,10 @@
         case EINVAL:
         case EHOSTUNREACH:
           /*
-           * On some Linuxes, when bound to the loopback interface, connect
-           * will fail and errno will be set to EINVAL or EHOSTUNREACH.
-           * When that happens, don't throw an exception, just return false.
+           * On some Linux versions, when  a socket is bound to the
+           * loopback interface, connect will fail and errno will
+           * be set to EINVAL or EHOSTUNREACH.  When that happens,
+           * don't throw an exception, just return false.
            */
 #endif /* __linux__ */
           close(fd);
--- a/jdk/src/solaris/native/java/net/NetworkInterface.c	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/solaris/native/java/net/NetworkInterface.c	Thu Sep 20 09:36:55 2012 -0400
@@ -769,14 +769,14 @@
         return NULL;
     }
 
-    /* return partial list if exception occure in the middle of process ???*/
+    /* return partial list if an exception occurs in the middle of process ???*/
 
     /*
      * If IPv6 is available then enumerate IPv6 addresses.
      */
 #ifdef AF_INET6
 
-        /* User can disable ipv6 expicitly by -Djava.net.preferIPv4Stack=true,
+        /* User can disable ipv6 explicitly by -Djava.net.preferIPv4Stack=true,
          * so we have to call ipv6_available()
          */
         if (ipv6_available()) {
@@ -887,7 +887,7 @@
     addrP->next = 0;
     if (family == AF_INET) {
       /*
-       * Deal with brodcast addr & subnet mask
+       * Deal with broadcast addr & subnet mask
        */
        struct sockaddr * brdcast_to = (struct sockaddr *) ((char *) addrP + sizeof(netaddr) + addr_size);
        addrP->brdcast = getBroadcast(env, sock, name,  brdcast_to );
@@ -898,7 +898,7 @@
      }
 
     /**
-     * Deal with virtual interface with colon notaion e.g. eth0:1
+     * Deal with virtual interface with colon notation e.g. eth0:1
      */
     name_colonP = strchr(name, ':');
     if (name_colonP != NULL) {
@@ -1327,13 +1327,13 @@
    }
 
      /**
-      * Solaris requires that we have IPv6 socket to query an
-      * interface without IPv4 address - check it here
-      * POSIX 1 require the kernell to return ENOTTY if the call is
-      * unappropriate for device e.g. NETMASK for device having IPv6
-      * only address but not all devices follows the standart so
-      * fallback on any error.  It's not an ecology friendly but more
-      * reliable.
+      * Solaris requires that we have an IPv6 socket to query an
+      * interface without an IPv4 address - check it here.
+      * POSIX 1 require the kernel to return ENOTTY if the call is
+      * inappropriate for a device e.g. the NETMASK for a device having IPv6
+      * only address but not all devices follow the standard so
+      * fall back on any error. It's not an ecologically friendly gesture
+      * but more reliable.
       */
 
     if (! alreadyV6 ){
@@ -1359,7 +1359,7 @@
 
 /*
  * Enumerates and returns all IPv4 interfaces
- * (linux verison)
+ * (linux verision)
  */
 
 static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) {
--- a/jdk/src/solaris/native/java/net/PlainDatagramSocketImpl.c	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/solaris/native/java/net/PlainDatagramSocketImpl.c	Thu Sep 20 09:36:55 2012 -0400
@@ -73,16 +73,6 @@
 static jfieldID pdsi_connectedAddress;
 static jfieldID pdsi_connectedPort;
 
-#ifdef __linux__
-static jboolean isOldKernel;
-#endif
-
-#if defined(__linux__) && defined(AF_INET6)
-static jfieldID pdsi_multicastInterfaceID;
-static jfieldID pdsi_loopbackID;
-static jfieldID pdsi_ttlID;
-#endif
-
 extern void setDefaultScopeID(JNIEnv *env, struct sockaddr *him);
 extern int getDefaultScopeID(JNIEnv *env);
 
@@ -174,41 +164,6 @@
     Java_java_net_Inet6Address_init(env, 0);
     Java_java_net_NetworkInterface_init(env, 0);
 
-#ifdef __linux__
-    /*
-     * We need to determine if this is a 2.2 kernel.
-     */
-    if (uname(&sysinfo) == 0) {
-        sysinfo.release[3] = '\0';
-        isOldKernel = (strcmp(sysinfo.release, "2.2") == 0);
-    } else {
-        /*
-         * uname failed - move to plan B and examine /proc/version
-         * If this fails assume that /proc has changed and that
-         * this must be new /proc format and hence new kernel.
-         */
-        FILE *fP;
-        isOldKernel = JNI_FALSE;
-        if ((fP = fopen("/proc/version", "r")) != NULL) {
-            char ver[25];
-            if (fgets(ver, sizeof(ver), fP) != NULL) {
-                isOldKernel = (strstr(ver, "2.2.") != NULL);
-            }
-            fclose(fP);
-        }
-    }
-
-#ifdef AF_INET6
-    pdsi_multicastInterfaceID = (*env)->GetFieldID(env, cls, "multicastInterface", "I");
-    CHECK_NULL(pdsi_multicastInterfaceID);
-    pdsi_loopbackID = (*env)->GetFieldID(env, cls, "loopbackMode", "Z");
-    CHECK_NULL(pdsi_loopbackID);
-    pdsi_ttlID = (*env)->GetFieldID(env, cls, "ttl", "I");
-    CHECK_NULL(pdsi_ttlID);
-#endif
-
-#endif
-
 }
 
 /*
@@ -257,7 +212,7 @@
         return;
     }
 
-    /* intialize the local port */
+    /* initialize the local port */
     if (localport == 0) {
         /* Now that we're a connected socket, let's extract the port number
          * that the system chose for us and store it in the Socket object.
@@ -308,20 +263,14 @@
       return;
     }
 
-#ifdef __linux__
-    if (isOldKernel) {
-        int t = 0;
-        setsockopt(fd, SOL_SOCKET, SO_BSDCOMPAT, (char*) &t, sizeof(int));
-    } else
-#endif
     setDefaultScopeID(env, (struct sockaddr *)&rmtaddr);
-    {
-        if (JVM_Connect(fd, (struct sockaddr *)&rmtaddr, len) == -1) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
-                            "Connect failed");
-            return;
-        }
+
+    if (JVM_Connect(fd, (struct sockaddr *)&rmtaddr, len) == -1) {
+        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+                        "Connect failed");
+        return;
     }
+
 }
 
 /*
@@ -347,12 +296,6 @@
     fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
 
 #if defined(__linux__) || defined(_ALLBSD_SOURCE)
-#ifdef __linux__
-    if (isOldKernel) {
-        int t = 1;
-        setsockopt(fd, SOL_SOCKET, SO_BSDCOMPAT, (char*) &t, sizeof(int));
-    } else {
-#endif /* __linux__ */
         memset(&addr, 0, sizeof(addr));
 #ifdef AF_INET6
         if (ipv6_available()) {
@@ -369,14 +312,10 @@
         JVM_Connect(fd, (struct sockaddr *)&addr, len);
 
 #ifdef __linux__
-        // After disconnecting a UDP socket, Linux kernel will set
-        // local port to zero if the port number comes from implicit
-        // bind. Successive send/recv on the same socket will fail.
-        // So bind again with former port number here.
         int localPort = 0;
-        if (JVM_GetSockName(fd, (struct sockaddr *)&addr, &len) == -1) {
+        if (JVM_GetSockName(fd, (struct sockaddr *)&addr, &len) == -1)
             return;
-        }
+
         localPort = NET_GetPortFromSockaddr((struct sockaddr *)&addr);
         if (localPort == 0) {
             localPort = (*env)->GetIntField(env, this, pdsi_localPortID);
@@ -388,9 +327,10 @@
             {
                 ((struct sockaddr_in*)&addr)->sin_port = htons(localPort);
             }
+
             NET_Bind(fd, (struct sockaddr *)&addr, len);
         }
-    }
+
 #endif
 #else
     JVM_Connect(fd, 0, 0);
@@ -448,11 +388,7 @@
     packetBufferOffset = (*env)->GetIntField(env, packet, dp_offsetID);
     packetBufferLen = (*env)->GetIntField(env, packet, dp_lengthID);
 
-#ifdef __linux__
-    if (connected && !isOldKernel) {
-#else
     if (connected) {
-#endif
         /* arg to NET_Sendto () null in this case */
         len = 0;
         rmtaddrP = 0;
@@ -466,14 +402,14 @@
 
     if (packetBufferLen > MAX_BUFFER_LEN) {
         /* When JNI-ifying the JDK's IO routines, we turned
-         * read's and write's of byte arrays of size greater
+         * reads and writes of byte arrays of size greater
          * than 2048 bytes into several operations of size 2048.
          * This saves a malloc()/memcpy()/free() for big
          * buffers.  This is OK for file IO and TCP, but that
          * strategy violates the semantics of a datagram protocol.
          * (one big send) != (several smaller sends).  So here
-         * we *must* alloc the buffer.  Note it needn't be bigger
-         * than 65,536 (0xFFFF) the max size of an IP packet.
+         * we *must* allocate the buffer.  Note it needn't be bigger
+         * than 65,536 (0xFFFF), the max size of an IP packet.
          * Anything bigger should be truncated anyway.
          *
          * We may want to use a smarter allocation scheme at some
@@ -621,7 +557,7 @@
 #else
     family = AF_INET;
 #endif
-    if (family == AF_INET) { /* this api can't handle IPV6 addresses */
+    if (family == AF_INET) { /* this API can't handle IPV6 addresses */
         int address = (*env)->GetIntField(env, iaObj, ia_addressID);
         (*env)->SetIntField(env, addressObj, ia_addressID, address);
     }
@@ -695,14 +631,14 @@
     if (packetBufferLen > MAX_BUFFER_LEN) {
 
         /* When JNI-ifying the JDK's IO routines, we turned
-         * read's and write's of byte arrays of size greater
+         * reads and writes of byte arrays of size greater
          * than 2048 bytes into several operations of size 2048.
          * This saves a malloc()/memcpy()/free() for big
          * buffers.  This is OK for file IO and TCP, but that
          * strategy violates the semantics of a datagram protocol.
          * (one big send) != (several smaller sends).  So here
-         * we *must* alloc the buffer.  Note it needn't be bigger
-         * than 65,536 (0xFFFF) the max size of an IP packet.
+         * we *must* allocate the buffer.  Note it needn't be bigger
+         * than 65,536 (0xFFFF), the max size of an IP packet.
          * anything bigger is truncated anyway.
          *
          * We may want to use a smarter allocation scheme at some
@@ -855,14 +791,14 @@
     if (packetBufferLen > MAX_BUFFER_LEN) {
 
         /* When JNI-ifying the JDK's IO routines, we turned
-         * read's and write's of byte arrays of size greater
+         * reads and writes of byte arrays of size greater
          * than 2048 bytes into several operations of size 2048.
          * This saves a malloc()/memcpy()/free() for big
          * buffers.  This is OK for file IO and TCP, but that
          * strategy violates the semantics of a datagram protocol.
          * (one big send) != (several smaller sends).  So here
-         * we *must* alloc the buffer.  Note it needn't be bigger
-         * than 65,536 (0xFFFF) the max size of an IP packet.
+         * we *must* allocate the buffer.  Note it needn't be bigger
+         * than 65,536 (0xFFFF) the max size of an IP packet,
          * anything bigger is truncated anyway.
          *
          * We may want to use a smarter allocation scheme at some
@@ -883,24 +819,6 @@
         fullPacket = &(BUF[0]);
     }
 
-#ifdef __linux__
-    /*
-     * On Linux with the 2.2 kernel we simulate connected datagrams by
-     * discarding packets
-     */
-    if (isOldKernel) {
-        connected = (*env)->GetBooleanField(env, this, pdsi_connected);
-        if (connected) {
-            connectedAddress = (*env)->GetObjectField(env, this, pdsi_connectedAddress);
-            connectedPort = (*env)->GetIntField(env, this, pdsi_connectedPort);
-
-            if (timeout) {
-                prevTime = JVM_CurrentTimeMillis(env, 0);
-            }
-        }
-    }
-#endif
-
     do {
         retry = JNI_FALSE;
 
@@ -933,14 +851,6 @@
             }
         }
 
-        /*
-         * Security Note: For Linux 2.2 with connected datagrams ensure that
-         * you receive into the stack/heap allocated buffer - do not attempt
-         * to receive directly into DatagramPacket's byte array.
-         * (ie: if the virtual machine support pinning don't use
-         * GetByteArrayElements or a JNI critical section and receive
-         * directly into the byte array)
-         */
         len = SOCKADDR_LEN;
         n = NET_RecvFrom(fd, fullPacket, packetBufferLen, 0,
                          (struct sockaddr *)&remote_addr, &len);
@@ -971,47 +881,6 @@
             jobject packetAddress;
 
             /*
-             * If we are connected then we know that the datagram that we have
-             * received is from the address that we are connected too. However
-             * on Linux with 2.2 kernel we have to simulate this behaviour by
-             * discarding any datagrams that aren't from the connected address.
-             */
-#ifdef __linux__
-            if (isOldKernel && connected) {
-
-                if (NET_GetPortFromSockaddr((struct sockaddr *)&remote_addr) != connectedPort ||
-                    !NET_SockaddrEqualsInetAddress(env, (struct sockaddr *)&remote_addr, connectedAddress)) {
-
-                    /*
-                     * Discard the datagram as it's not from the connected
-                     * address
-                     */
-                    retry = JNI_TRUE;
-
-                    /*
-                     * Adjust timeout if necessary to ensure that we adhere to
-                     * timeout semantics.
-                     */
-                    if (timeout) {
-                        jlong newTime = JVM_CurrentTimeMillis(env, 0);
-                        timeout -= (newTime - prevTime);
-                        if (timeout <= 0) {
-                            JNU_ThrowByName(env, JNU_JAVANETPKG "SocketTimeoutException",
-                                    "Receive timed out");
-                            if (mallocedPacket) {
-                                free(fullPacket);
-                            }
-                            return;
-                        }
-                        prevTime = newTime;
-                    }
-
-                    continue;
-                }
-            }
-#endif
-
-            /*
              * success - fill in received address...
              *
              * REMIND: Fill in an int on the packet, and create inetadd
@@ -1112,27 +981,16 @@
 
      setsockopt(fd, SOL_SOCKET, SO_BROADCAST, (char*) &t, sizeof(int));
 
-#ifdef __linux__
-    if (isOldKernel) {
-        setsockopt(fd, SOL_SOCKET, SO_BSDCOMPAT, (char*) &t, sizeof(int));
-    }
-
-#ifdef AF_INET6
+#if defined (__linux__) && defined (AF_INET6)
     /*
      * On Linux for IPv6 sockets we must set the hop limit
-     * to 1 to be compatible with default ttl of 1 for IPv4 sockets.
+     * to 1 to be compatible with default TTL of 1 for IPv4 sockets.
      */
     if (domain == AF_INET6) {
         int ttl = 1;
         setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, (char *)&ttl,
                    sizeof(ttl));
-
-        if (isOldKernel) {
-            (*env)->SetIntField(env, this, pdsi_ttlID, ttl);
-        }
     }
-#endif
-
 #endif /* __linux__ */
 
     (*env)->SetIntField(env, fdObj, IO_fd_fdID, fd);
@@ -1250,16 +1108,6 @@
         return;
     }
 
-#ifdef __linux__
-    /*
-     * Linux 2.2 kernel doesn't support IPV6_MULTICAST_IF socket
-     * option so record index for later retrival.
-     */
-    if (isOldKernel) {
-        (*env)->SetIntField(env, this, pdsi_multicastInterfaceID,
-                            (jint)index);
-    }
-#endif
 }
 #endif /* AF_INET6 */
 
@@ -1326,8 +1174,6 @@
  *              InetAddress is bound
  *              Set outgoing multicast interface using
  *              IPPROTO_IPV6/IPV6_MULTICAST_IF
- *              On Linux 2.2 record interface index as can't
- *              query the multicast interface.
  *
  * SockOptions.IF_MULTICAST_IF2 :-
  *      value is a NetworkInterface
@@ -1338,8 +1184,6 @@
  *      IPv6:   Obtain NetworkInterface.index
  *              Set outgoing multicast interface using
  *              IPPROTO_IPV6/IPV6_MULTICAST_IF
- *              On Linux 2.2 record interface index as can't
- *              query the multicast interface.
  *
  */
 static void setMulticastInterface(JNIEnv *env, jobject this, int fd,
@@ -1436,15 +1280,6 @@
         return;
     }
 
-#ifdef __linux__
-    /*
-     * Can't query IPV6_MULTICAST_LOOP on Linux 2.2 kernel so
-     * store it in impl so that we can simulate getsockopt.
-     */
-    if (isOldKernel) {
-        (*env)->SetBooleanField(env, this, pdsi_loopbackID, on);
-    }
-#endif
 }
 #endif  /* AF_INET6 */
 
@@ -1507,7 +1342,7 @@
     }
 
     /*
-     * Setting the multicast interface handled seperately
+     * Setting the multicast interface handled separately
      */
     if (opt == java_net_SocketOptions_IP_MULTICAST_IF ||
         opt == java_net_SocketOptions_IP_MULTICAST_IF2) {
@@ -1594,8 +1429,7 @@
  *              Create InetAddress
  *              IP_MULTICAST_IF returns struct ip_mreqn on 2.2
  *              kernel but struct in_addr on 2.4 kernel
- *      IPv6:   Query IPPROTO_IPV6 / IPV6_MULTICAST_IF or
- *              obtain from impl is Linux 2.2 kernel
+ *      IPv6:   Query IPPROTO_IPV6 / IPV6_MULTICAST_IF
  *              If index == 0 return InetAddress representing
  *              anyLocalAddress.
  *              If index > 0 query NetworkInterface by index
@@ -1641,14 +1475,6 @@
         struct in_addr *inP = &in;
         int len = sizeof(struct in_addr);
 
-#ifdef __linux__
-        struct ip_mreqn mreqn;
-        if (isOldKernel) {
-            inP = (struct in_addr *)&mreqn;
-            len = sizeof(struct ip_mreqn);
-        }
-#endif
-
         if (JVM_GetSockOpt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                            (char *)inP, &len) < 0) {
             NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
@@ -1672,12 +1498,7 @@
         addr = (*env)->NewObject(env, inet4_class, inet4_ctrID, 0);
         CHECK_NULL_RETURN(addr, NULL);
 
-#ifdef __linux__
-        (*env)->SetIntField(env, addr, inet4_addrID,
-                (isOldKernel ? ntohl(mreqn.imr_address.s_addr) : ntohl(in.s_addr)) );
-#else
         (*env)->SetIntField(env, addr, inet4_addrID, ntohl(in.s_addr));
-#endif
 
         /*
          * For IP_MULTICAST_IF return InetAddress
@@ -1746,22 +1567,11 @@
         jobject addr;
         jobject ni;
 
-#ifdef __linux__
-        /*
-         * Linux 2.2 kernel doesn't support IPV6_MULTICAST_IF socke option
-         * so use cached index.
-         */
-        if (isOldKernel) {
-            index = (*env)->GetIntField(env, this, pdsi_multicastInterfaceID);
-        } else
-#endif
-        {
-            if (JVM_GetSockOpt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF,
-                               (char*)&index, &len) < 0) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                               "Error getting socket option");
-                return NULL;
-            }
+        if (JVM_GetSockOpt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF,
+                           (char*)&index, &len) < 0) {
+            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
+                           "Error getting socket option");
+            return NULL;
         }
 
         if (ni_class == NULL) {
@@ -1877,7 +1687,7 @@
     }
 
     /*
-     * Handle IP_MULTICAST_IF seperately
+     * Handle IP_MULTICAST_IF separately
      */
     if (opt == java_net_SocketOptions_IP_MULTICAST_IF ||
         opt == java_net_SocketOptions_IP_MULTICAST_IF2) {
@@ -1916,18 +1726,6 @@
         return NULL;
     }
 
-    /*
-     * IP_MULTICAST_LOOP socket option isn't available on Linux 2.2
-     * kernel with IPv6 so return value stored in impl.
-     */
-#if defined(AF_INET6) && defined(__linux__)
-    if (isOldKernel && opt == java_net_SocketOptions_IP_MULTICAST_LOOP &&
-        level == IPPROTO_IPV6) {
-        int mode = (int)(*env)->GetBooleanField(env, this, pdsi_loopbackID);
-        return createBoolean(env, mode);
-    }
-#endif
-
     if (opt == java_net_SocketOptions_IP_MULTICAST_LOOP &&
         level == IPPROTO_IP) {
         optlen = sizeof(optval.c);
@@ -1961,7 +1759,7 @@
 
     }
 
-    /* should never rearch here */
+    /* should never reach here */
     return NULL;
 }
 
@@ -2025,15 +1823,12 @@
     } else {
         fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
     }
-    /* setsockopt to be correct ttl */
+    /* setsockopt to be correct TTL */
 #ifdef AF_INET6
 #ifdef __linux__
     setTTL(env, fd, ttl);
     if (ipv6_available()) {
         setHopLimit(env, fd, ttl);
-        if (isOldKernel) {
-            (*env)->SetIntField(env, this, pdsi_ttlID, ttl);
-        }
     }
 #else  /*  __linux__ not defined */
     if (ipv6_available()) {
@@ -2076,21 +1871,12 @@
     } else {
         fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
     }
-    /* getsockopt of ttl */
+    /* getsockopt of TTL */
 #ifdef AF_INET6
     if (ipv6_available()) {
         int ttl = 0;
         int len = sizeof(ttl);
 
-#ifdef __linux__
-        /*
-         * Linux 2.2 kernel doesn't support IPV6_MULTICAST_HOPS socket option
-         */
-        if (isOldKernel) {
-            return (*env)->GetIntField(env, this, pdsi_ttlID);
-        }
-#endif
-
         if (JVM_GetSockOpt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
                                (char*)&ttl, &len) < 0) {
                 NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
@@ -2258,14 +2044,10 @@
                 int index;
                 int len = sizeof(index);
 
-                if (isOldKernel) {
-                    index = (*env)->GetIntField(env, this, pdsi_multicastInterfaceID);
-                } else {
-                    if (JVM_GetSockOpt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF,
-                                       (char*)&index, &len) < 0) {
-                        NET_ThrowCurrent(env, "getsockopt IPV6_MULTICAST_IF failed");
-                        return;
-                    }
+                if (JVM_GetSockOpt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF,
+                                   (char*)&index, &len) < 0) {
+                    NET_ThrowCurrent(env, "getsockopt IPV6_MULTICAST_IF failed");
+                    return;
                 }
 
                 mname.imr_multiaddr.s_addr = htonl((*env)->GetIntField(env, iaObj, ia_addressID));
@@ -2279,21 +2061,13 @@
                 struct in_addr *inP = &in;
                 socklen_t len = sizeof(struct in_addr);
 
-#ifdef __linux__
-                struct ip_mreqn mreqn;
-                if (isOldKernel) {
-                    inP = (struct in_addr *)&mreqn;
-                    len = sizeof(struct ip_mreqn);
-                }
-#endif
                 if (getsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF, (char *)inP, &len) < 0) {
                     NET_ThrowCurrent(env, "getsockopt IP_MULTICAST_IF failed");
                     return;
                 }
 
 #ifdef __linux__
-                mname.imr_address.s_addr =
-                    (isOldKernel ? mreqn.imr_address.s_addr : in.s_addr);
+                mname.imr_address.s_addr = in.s_addr;
 
 #else
                 mname.imr_interface.s_addr = in.s_addr;
@@ -2314,10 +2088,10 @@
              * If IP_ADD_MEMBERSHIP returns ENOPROTOOPT on Linux and we've got
              * IPv6 enabled then it's possible that the kernel has been fixed
              * so we switch to IPV6_ADD_MEMBERSHIP socket option.
-             * As of 2.4.7 kernel IPV6_ADD_MEMERSHIP can't handle IPv4-mapped
-             * addresses so we have to use IP_ADD_MEMERSHIP for IPv4 multicast
+             * As of 2.4.7 kernel IPV6_ADD_MEMBERSHIP can't handle IPv4-mapped
+             * addresses so we have to use IP_ADD_MEMBERSHIP for IPv4 multicast
              * groups. However if the socket is an IPv6 socket then then setsockopt
-             * should reurn ENOPROTOOPT. We assume this will be fixed in Linux
+             * should return ENOPROTOOPT. We assume this will be fixed in Linux
              * at some stage.
              */
 #if defined(__linux__) && defined(AF_INET6)
@@ -2385,20 +2159,10 @@
             int index;
             int len = sizeof(index);
 
-#ifdef __linux__
-            /*
-             * 2.2 kernel doens't support IPV6_MULTICAST_IF socket option
-             */
-            if (isOldKernel) {
-                index = (*env)->GetIntField(env, this, pdsi_multicastInterfaceID);
-            } else
-#endif
-            {
-                if (JVM_GetSockOpt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF,
-                                 (char*)&index, &len) < 0) {
-                    NET_ThrowCurrent(env, "getsockopt IPV6_MULTICAST_IF failed");
-                    return;
-                }
+            if (JVM_GetSockOpt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF,
+                             (char*)&index, &len) < 0) {
+                NET_ThrowCurrent(env, "getsockopt IPV6_MULTICAST_IF failed");
+               return;
             }
 
 #ifdef __linux__
@@ -2408,7 +2172,7 @@
              * subsequent leave groups to fail as there is no match. Thus we
              * pick the interface if there is a matching route.
              */
-            if (index == 0 && !isOldKernel) {
+            if (index == 0) {
                 int rt_index = getDefaultIPv6Interface(&(mname6.ipv6mr_multiaddr));
                 if (rt_index > 0) {
                     index = rt_index;
--- a/jdk/src/solaris/native/java/net/PlainSocketImpl.c	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/solaris/native/java/net/PlainSocketImpl.c	Thu Sep 20 09:36:55 2012 -0400
@@ -128,7 +128,7 @@
 
 /*
  * The initroto function is called whenever PlainSocketImpl is
- * loaded, to cache fieldIds for efficiency. This is called everytime
+ * loaded, to cache field IDs for efficiency. This is called every time
  * the Java class is loaded.
  *
  * Class:     java_net_PlainSocketImpl
@@ -589,7 +589,7 @@
     /* set the address */
     (*env)->SetObjectField(env, this, psi_addressID, iaObj);
 
-    /* intialize the local port */
+    /* initialize the local port */
     if (localport == 0) {
         /* Now that we're a connected socket, let's extract the port number
          * that the system chose for us and store it in the Socket object.
@@ -909,7 +909,7 @@
     }
 
     /*
-     * SO_TIMEOUT is a no-op on Solaris/Linux
+     * SO_TIMEOUT is a NOOP on Solaris/Linux
      */
     if (cmd == java_net_SocketOptions_SO_TIMEOUT) {
         return;
--- a/jdk/src/solaris/native/java/net/SocketInputStream.c	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/solaris/native/java/net/SocketInputStream.c	Thu Sep 20 09:36:55 2012 -0400
@@ -67,14 +67,14 @@
     jint fd, nread;
 
     if (IS_NULL(fdObj)) {
-        /* should't this be a NullPointerException? -br */
+        /* shouldn't this be a NullPointerException? -br */
         JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
                         "Socket closed");
         return -1;
     } else {
         fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
         /* Bug 4086704 - If the Socket associated with this file descriptor
-         * was closed (sysCloseFD), the the file descriptor is set to -1.
+         * was closed (sysCloseFD), then the file descriptor is set to -1.
          */
         if (fd == -1) {
             JNU_ThrowByName(env, "java/net/SocketException", "Socket closed");
--- a/jdk/src/solaris/native/java/net/bsd_close.c	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/solaris/native/java/net/bsd_close.c	Thu Sep 20 09:36:55 2012 -0400
@@ -68,7 +68,7 @@
 
 /*
  * This limit applies if getlimit() returns unlimited.
- * Unfortunately, this means if someone wants a higher limt
+ * Unfortunately, this means if someone wants a higher limit
  * then they have to set an explicit limit, higher than this,
  * which is probably counter-intuitive.
  */
--- a/jdk/src/solaris/native/java/net/net_util_md.c	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/solaris/native/java/net/net_util_md.c	Thu Sep 20 09:36:55 2012 -0400
@@ -169,7 +169,7 @@
  * for Solaris versions that do not support the ioctl() in getParam().
  * Ugly, but only called once (for each sotype).
  *
- * As an optimisation, we make a guess using the default values for Solaris
+ * As an optimization, we make a guess using the default values for Solaris
  * assuming they haven't been modified with ndd.
  */
 
@@ -217,23 +217,7 @@
 #endif
 
 #ifdef __linux__
-static int kernelV22 = 0;
 static int vinit = 0;
-
-int kernelIsV22 () {
-    if (!vinit) {
-        struct utsname sysinfo;
-        if (uname(&sysinfo) == 0) {
-            sysinfo.release[3] = '\0';
-            if (strcmp(sysinfo.release, "2.2") == 0) {
-                kernelV22 = JNI_TRUE;
-            }
-        }
-        vinit = 1;
-    }
-    return kernelV22;
-}
-
 static int kernelV24 = 0;
 static int vinit24 = 0;
 
@@ -253,17 +237,11 @@
 
 int getScopeID (struct sockaddr *him) {
     struct sockaddr_in6 *hext = (struct sockaddr_in6 *)him;
-    if (kernelIsV22()) {
-        return 0;
-    }
     return hext->sin6_scope_id;
 }
 
 int cmpScopeID (unsigned int scope, struct sockaddr *him) {
     struct sockaddr_in6 *hext = (struct sockaddr_in6 *)him;
-    if (kernelIsV22()) {
-        return 1;       /* scope is ignored for comparison in 2.2 kernel */
-    }
     return hext->sin6_scope_id == scope;
 }
 
@@ -843,15 +821,14 @@
          * address needs to be routed via the loopback interface. In this case,
          * we override the specified value with that of the loopback interface.
          * If no cached value exists and no value was specified by user, then
-         * we try to determine a value ffrom the routing table. In all these
+         * we try to determine a value from the routing table. In all these
          * cases the used value is cached for further use.
          */
 #ifdef __linux__
         if (IN6_IS_ADDR_LINKLOCAL(&(him6->sin6_addr))) {
             int cached_scope_id = 0, scope_id = 0;
-            int old_kernel = kernelIsV22();
 
-            if (ia6_cachedscopeidID && !old_kernel) {
+            if (ia6_cachedscopeidID) {
                 cached_scope_id = (int)(*env)->GetIntField(env, iaObj, ia6_cachedscopeidID);
                 /* if cached value exists then use it. Otherwise, check
                  * if scope is set in the address.
@@ -891,13 +868,11 @@
              * of sockaddr_in6.
              */
 
-            if (!old_kernel) {
-                struct sockaddr_in6 *him6 =
-                        (struct sockaddr_in6 *)him;
-                him6->sin6_scope_id = cached_scope_id != 0 ?
-                                            cached_scope_id    : scope_id;
-                *len = sizeof(struct sockaddr_in6);
-            }
+            struct sockaddr_in6 *him6 =
+                    (struct sockaddr_in6 *)him;
+            him6->sin6_scope_id = cached_scope_id != 0 ?
+                                        cached_scope_id    : scope_id;
+            *len = sizeof(struct sockaddr_in6);
         }
 #else
         /* handle scope_id for solaris */
@@ -1208,7 +1183,7 @@
 
 /*
  * Wrapper for getsockopt system routine - does any necessary
- * pre/post processing to deal with OS specific oddies :-
+ * pre/post processing to deal with OS specific oddities :-
  *
  * IP_TOS is a no-op with IPv6 sockets as it's setup when
  * the connection is established.
@@ -1287,7 +1262,7 @@
  *
  * For IP_TOS socket option need to mask off bits as this
  * aren't automatically masked by the kernel and results in
- * an error. In addition IP_TOS is a noop with IPv6 as it
+ * an error. In addition IP_TOS is a NOOP with IPv6 as it
  * should be setup as connection time.
  */
 int
@@ -1321,7 +1296,7 @@
 
     /*
      * IPPROTO/IP_TOS :-
-     * 1. IPv6 on Solaris/Mac OS: no-op and will be set
+     * 1. IPv6 on Solaris/Mac OS: NOOP and will be set
      *    in flowinfo field when connecting TCP socket,
      *    or sending UDP packet.
      * 2. IPv6 on Linux: By default Linux ignores flowinfo
--- a/jdk/src/solaris/native/java/net/net_util_md.h	Wed Sep 19 14:55:40 2012 +0100
+++ b/jdk/src/solaris/native/java/net/net_util_md.h	Thu Sep 20 09:36:55 2012 -0400
@@ -144,7 +144,6 @@
  *  Utilities
  */
 #ifdef __linux__
-extern int kernelIsV22();
 extern int kernelIsV24();
 #endif