8043954: Add async connect() support to NET_Connect() for AIX platform

Reviewed-by: alanb
This commit is contained in:
Jonathan Lu 2014-06-07 00:17:02 +08:00
parent 704a20b250
commit 879b239e41

View File

@ -370,7 +370,57 @@ int NET_Accept(int s, struct sockaddr *addr, int *addrlen) {
}
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) {