Examples of java.nio.channels.SelectableChannel.blockingLock()

Class java.nio.channels.SelectableChannel

Examples of java.nio.channels.SelectableChannel.blockingLock()

java.nio.channels.SelectableChannel.blockingLock()
Retrieves the object upon which the {@link #configureBlocking configureBlocking} and {@link #register register} methods synchronize.This is often useful in the implementation of adaptors that require a specific blocking mode to be maintained for a short period of time.
@return The blocking-mode lock object

    public IRubyObject accept_nonblock(ThreadContext context) {
        Ruby runtime = context.runtime;


        SelectableChannel selectable = (SelectableChannel)channel;


        synchronized (selectable.blockingLock()) {
            boolean oldBlocking = selectable.isBlocking();


            try {
                selectable.configureBlocking(false);

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    private RubyArray doAcceptNonblock(ThreadContext context, Channel channel) {
        try {
            if (channel instanceof SelectableChannel) {
                SelectableChannel selectable = (SelectableChannel)channel;


                synchronized (selectable.blockingLock()) {
                    boolean oldBlocking = selectable.isBlocking();


                    try {
                        selectable.configureBlocking(false);

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    public boolean select(Channel channel, OpenFile fptr, int ops, long timeout) {
        // Use selectables but only if they're not associated with a file (which has odd select semantics)
        if (channel instanceof SelectableChannel && (fptr == null || !fptr.fd().isNativeFile)) {
            SelectableChannel selectable = (SelectableChannel)channel;
            
            synchronized (selectable.blockingLock()) {
                boolean oldBlocking = selectable.isBlocking();


                SelectionKey key = null;
                try {
                    selectable.configureBlocking(false);

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    private RubyArray doAcceptNonblock(ThreadContext context, Channel channel) {
        try {
            if (channel instanceof SelectableChannel) {
                SelectableChannel selectable = (SelectableChannel)channel;


                synchronized (selectable.blockingLock()) {
                    boolean oldBlocking = selectable.isBlocking();


                    try {
                        selectable.configureBlocking(false);

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    public IRubyObject accept_nonblock(ThreadContext context) {
        Ruby runtime = context.runtime;


        SelectableChannel selectable = (SelectableChannel)getChannel();


        synchronized (selectable.blockingLock()) {
            boolean oldBlocking = selectable.isBlocking();


            try {
                selectable.configureBlocking(false);

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        if (!(channel instanceof SelectableChannel)) {
            throw getRuntime().newErrnoENOPROTOOPTError();
        }


        SelectableChannel selectable = (SelectableChannel)channel;
        synchronized (selectable.blockingLock()) {
            boolean oldBlocking = selectable.isBlocking();
            try {
                selectable.configureBlocking(false);


                try {

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            throw runtime.newErrnoEAGAINReadableError(channel.getClass().getName() + " does not support nonblocking");
        }


        SelectableChannel selectable = (SelectableChannel)channel;


        synchronized (selectable.blockingLock()) {
            boolean oldBlocking = selectable.isBlocking();


            try {
                selectable.configureBlocking(false);

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        buffer.flip();


        // For Sockets, only write as much as will fit.
        if (descriptor.getChannel() instanceof SelectableChannel) {
            SelectableChannel selectableChannel = (SelectableChannel)descriptor.getChannel();
            synchronized (selectableChannel.blockingLock()) {
                boolean oldBlocking = selectableChannel.isBlocking();
                try {
                    if (oldBlocking != block) {
                        selectableChannel.configureBlocking(block);
                    }

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    public int ready() throws IOException {
        if (descriptor.getChannel() instanceof SelectableChannel) {
            int ready_stat = 0;
            java.nio.channels.Selector sel = SelectorFactory.openWithRetryFrom(null, ((SelectableChannel) descriptor.getChannel()).provider());
            SelectableChannel selchan = (SelectableChannel)descriptor.getChannel();
            synchronized (selchan.blockingLock()) {
                boolean is_block = selchan.isBlocking();
                try {
                    selchan.configureBlocking(false);
                    selchan.register(sel, java.nio.channels.SelectionKey.OP_READ);
                    ready_stat = sel.selectNow();

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        if (buffer.position() != 0 && !flushWrite(false)) return 0;


        if (descriptor.getChannel() instanceof SelectableChannel) {
            SelectableChannel selectableChannel = (SelectableChannel)descriptor.getChannel();
            synchronized (selectableChannel.blockingLock()) {
                boolean oldBlocking = selectableChannel.isBlocking();
                try {
                    if (oldBlocking) {
                        selectableChannel.configureBlocking(false);
                    }

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