jdk/src/java.base/solaris/native/libnet/solaris_close.c
changeset 28658 344426303820
parent 25859 3317bb8137f4
child 40937 f72e61ec734b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/solaris/native/libnet/solaris_close.c	Mon Jan 26 10:24:25 2015 +0100
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <errno.h>
+#include <sys/socket.h>
+#include <stropts.h>
+#include <unistd.h>
+
+/* Support for restartable system calls on Solaris. */
+
+#define RESTARTABLE_RETURN_INT(_cmd) do {             \
+    int _result;                                      \
+    if (1) {                                          \
+        do {                                          \
+            _result = _cmd;                           \
+        } while((_result == -1) && (errno == EINTR)); \
+        return _result;                               \
+    }                                                 \
+} while(0)
+
+int NET_Read(int s, void* buf, size_t len) {
+    RESTARTABLE_RETURN_INT(recv(s, buf, len, 0));
+}
+
+int NET_RecvFrom(int s, void *buf, int len, unsigned int flags,
+                 struct sockaddr *from, socklen_t *fromlen) {
+    RESTARTABLE_RETURN_INT(recvfrom(s, buf, len, flags, from, fromlen));
+}
+
+int NET_ReadV(int s, const struct iovec * vector, int count) {
+    RESTARTABLE_RETURN_INT(readv(s, vector, count));
+}
+
+int NET_WriteV(int s, const struct iovec * vector, int count) {
+    RESTARTABLE_RETURN_INT(writev(s, vector, count));
+}
+
+int NET_Send(int s, void *msg, int len, unsigned int flags) {
+    RESTARTABLE_RETURN_INT(send(s, msg, len, flags));
+}
+
+int NET_SendTo(int s, const void *msg, int len,  unsigned  int flags,
+               const struct sockaddr *to, int tolen) {
+    RESTARTABLE_RETURN_INT(sendto(s, msg, len, flags, to, tolen));
+}
+
+int NET_Connect(int s, struct sockaddr *addr, int addrlen) {
+    RESTARTABLE_RETURN_INT(connect(s, addr, addrlen));
+}
+
+int NET_Accept(int s, struct sockaddr *addr, socklen_t *addrlen) {
+    RESTARTABLE_RETURN_INT(accept(s, addr, addrlen));
+}
+
+int NET_SocketClose(int fd) {
+    return close(fd);
+}
+
+int NET_Dup2(int fd, int fd2) {
+    return dup2(fd, fd2);
+}
+
+int NET_Poll(struct pollfd *ufds, unsigned int nfds, int timeout) {
+    RESTARTABLE_RETURN_INT(poll(ufds, nfds, timeout));
+}
+
+int NET_Timeout(int s, long timeout) {
+    int result;
+    struct timeval t;
+    long prevtime, newtime;
+    struct pollfd pfd;
+    pfd.fd = s;
+    pfd.events = POLLIN;
+
+    if (timeout > 0) {
+        gettimeofday(&t, NULL);
+        prevtime = (t.tv_sec * 1000)  +  t.tv_usec / 1000;
+    }
+
+    for(;;) {
+        result = poll(&pfd, 1, timeout);
+        if (result < 0 && errno == EINTR) {
+            if (timeout > 0) {
+                gettimeofday(&t, NULL);
+                newtime = (t.tv_sec * 1000)  +  t.tv_usec /1000;
+                timeout -= newtime - prevtime;
+                if (timeout <= 0)
+                    return 0;
+                prevtime = newtime;
+            }
+        } else {
+            return result;
+        }
+    }
+}