Java Code Examples for sun.nio.ch.Net#POLLERR

The following examples show how to use sun.nio.ch.Net#POLLERR . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: SctpServerChannelImpl.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                 SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_ACCEPT) != 0))
            newOps |= SelectionKey.OP_ACCEPT;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 2
Source File: SctpServerChannelImpl.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                 SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_ACCEPT) != 0))
            newOps |= SelectionKey.OP_ACCEPT;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 3
Source File: SctpMultiChannelImpl.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                  SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0))
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0))
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 4
Source File: SctpServerChannelImpl.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                 SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_ACCEPT) != 0))
            newOps |= SelectionKey.OP_ACCEPT;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 5
Source File: SctpMultiChannelImpl.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                  SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0))
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0))
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 6
Source File: SctpMultiChannelImpl.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                  SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0))
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0))
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 7
Source File: SctpServerChannelImpl.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                 SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_ACCEPT) != 0))
            newOps |= SelectionKey.OP_ACCEPT;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 8
Source File: SctpMultiChannelImpl.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                  SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0))
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0))
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 9
Source File: SctpMultiChannelImpl.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                  SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0))
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0))
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 10
Source File: SctpServerChannelImpl.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                 SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_ACCEPT) != 0))
            newOps |= SelectionKey.OP_ACCEPT;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 11
Source File: SctpServerChannelImpl.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                 SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_ACCEPT) != 0))
            newOps |= SelectionKey.OP_ACCEPT;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 12
Source File: SctpMultiChannelImpl.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                  SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0))
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0))
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 13
Source File: SctpServerChannelImpl.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                 SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_ACCEPT) != 0))
            newOps |= SelectionKey.OP_ACCEPT;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 14
Source File: SctpMultiChannelImpl.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                  SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0))
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0))
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 15
Source File: SctpServerChannelImpl.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps,
                                 SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_ACCEPT) != 0))
            newOps |= SelectionKey.OP_ACCEPT;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 16
Source File: SctpChannelImpl.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        /* No need to poll again in checkConnect,
         * the error will be detected there */
        readyToConnect = true;
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLCONN) != 0) &&
        ((intOps & SelectionKey.OP_CONNECT) != 0) &&
        ((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
        newOps |= SelectionKey.OP_CONNECT;
        readyToConnect = true;
    }

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 17
Source File: SctpChannelImpl.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        /* No need to poll again in checkConnect,
         * the error will be detected there */
        readyToConnect = true;
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLCONN) != 0) &&
        ((intOps & SelectionKey.OP_CONNECT) != 0) &&
        ((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
        newOps |= SelectionKey.OP_CONNECT;
        readyToConnect = true;
    }

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 18
Source File: SctpChannelImpl.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        /* No need to poll again in checkConnect,
         * the error will be detected there */
        readyToConnect = true;
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLCONN) != 0) &&
        ((intOps & SelectionKey.OP_CONNECT) != 0) &&
        ((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
        newOps |= SelectionKey.OP_CONNECT;
        readyToConnect = true;
    }

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 19
Source File: SctpChannelImpl.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        /* No need to poll again in checkConnect,
         * the error will be detected there */
        readyToConnect = true;
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLCONN) != 0) &&
        ((intOps & SelectionKey.OP_CONNECT) != 0) &&
        ((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
        newOps |= SelectionKey.OP_CONNECT;
        readyToConnect = true;
    }

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}
Example 20
Source File: SctpChannelImpl.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Translates native poll revent ops into a ready operation ops
 */
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
    int intOps = sk.nioInterestOps();
    int oldOps = sk.nioReadyOps();
    int newOps = initialOps;

    if ((ops & Net.POLLNVAL) != 0) {
        /* This should only happen if this channel is pre-closed while a
         * selection operation is in progress
         * ## Throw an error if this channel has not been pre-closed */
        return false;
    }

    if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
        newOps = intOps;
        sk.nioReadyOps(newOps);
        /* No need to poll again in checkConnect,
         * the error will be detected there */
        readyToConnect = true;
        return (newOps & ~oldOps) != 0;
    }

    if (((ops & Net.POLLIN) != 0) &&
        ((intOps & SelectionKey.OP_READ) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_READ;

    if (((ops & Net.POLLCONN) != 0) &&
        ((intOps & SelectionKey.OP_CONNECT) != 0) &&
        ((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
        newOps |= SelectionKey.OP_CONNECT;
        readyToConnect = true;
    }

    if (((ops & Net.POLLOUT) != 0) &&
        ((intOps & SelectionKey.OP_WRITE) != 0) &&
        isConnected())
        newOps |= SelectionKey.OP_WRITE;

    sk.nioReadyOps(newOps);
    return (newOps & ~oldOps) != 0;
}