jdk/src/solaris/native/sun/net/spi/SdpProvider.c
changeset 2446 07047237e4d4
child 4814 dbf72872f8d2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/native/sun/net/spi/SdpProvider.c	Mon Apr 06 08:59:33 2009 +0100
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#if defined(__solaris__) && !defined(PROTO_SDP)
+#define PROTO_SDP       257
+#endif
+
+#include "jni.h"
+#include "jni_util.h"
+#include "net_util.h"
+
+#define RESTARTABLE(_cmd, _result) do { \
+  do { \
+    _result = _cmd; \
+  } while((_result == -1) && (errno == EINTR)); \
+} while(0)
+
+JNIEXPORT void JNICALL
+Java_sun_net_spi_SdpProvider_convert(JNIEnv *env, jclass cls, jint fd)
+{
+#ifdef PROTO_SDP
+    int domain = ipv6_available() ? AF_INET6 : AF_INET;
+    int s = socket(domain, SOCK_STREAM, PROTO_SDP);
+    if (s < 0) {
+        JNU_ThrowIOExceptionWithLastError(env, "socket");
+    } else {
+        int arg, len, res;
+        struct linger linger;
+
+        /* copy socket options that are relevant to SDP */
+        len = sizeof(arg);
+        if (getsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&arg, &len) == 0)
+            setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char*)&arg, len);
+        len = sizeof(arg);
+        if (getsockopt(fd, SOL_SOCKET, SO_OOBINLINE, (char*)&arg, &len) == 0)
+            setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (char*)&arg, len);
+        len = sizeof(linger);
+        if (getsockopt(fd, SOL_SOCKET, SO_LINGER, (void*)&linger, &len) == 0)
+            setsockopt(s, SOL_SOCKET, SO_LINGER, (char*)&linger, len);
+
+        RESTARTABLE(dup2(s, fd), res);
+        if (res < 0)
+            JNU_ThrowIOExceptionWithLastError(env, "dup2");
+        RESTARTABLE(close(s), res);
+    }
+#else
+    JNU_ThrowInternalError(env, "should not reach here");
+#endif
+}