8043954: Add async connect() support to NET_Connect() for AIX platform
Reviewed-by: alanb
--- a/jdk/src/aix/native/java/net/aix_close.c Fri Jun 06 22:31:53 2014 +0800
+++ b/jdk/src/aix/native/java/net/aix_close.c Sat Jun 07 00:17:02 2014 +0800
@@ -370,7 +370,57 @@
}
int NET_Connect(int s, struct sockaddr *addr, int addrlen) {
- BLOCKING_IO_RETURN_INT( s, connect(s, addr, addrlen) );
+ int crc = -1, prc = -1;
+ threadEntry_t self;
+ fdEntry_t* fdEntry = getFdEntry(s);
+
+ if (fdEntry == NULL) {
+ errno = EBADF;
+ return -1;
+ }
+
+ /* On AIX, when the system call connect() is interrupted, the connection
+ * is not aborted and it will be established asynchronously by the kernel.
+ * Hence, no need to restart connect() when EINTR is received
+ */
+ startOp(fdEntry, &self);
+ crc = connect(s, addr, addrlen);
+ endOp(fdEntry, &self);
+
+ if (crc == -1 && errno == EINTR) {
+ struct pollfd s_pollfd;
+ int sockopt_arg = 0;
+ socklen_t len;
+
+ s_pollfd.fd = s;
+ s_pollfd.events = POLLOUT | POLLERR;
+
+ /* poll the file descriptor */
+ do {
+ startOp(fdEntry, &self);
+ prc = poll(&s_pollfd, 1, -1);
+ endOp(fdEntry, &self);
+ } while (prc == -1 && errno == EINTR);
+
+ if (prc < 0)
+ return prc;
+
+ len = sizeof(sockopt_arg);
+
+ /* Check whether the connection has been established */
+ if (getsockopt(s, SOL_SOCKET, SO_ERROR, &sockopt_arg, &len) == -1)
+ return -1;
+
+ if (sockopt_arg != 0 ) {
+ errno = sockopt_arg;
+ return -1;
+ }
+ } else {
+ return crc;
+ }
+
+ /* At this point, fd is connected. Set successful return code */
+ return 0;
}
int NET_Poll(struct pollfd *ufds, unsigned int nfds, int timeout) {