id:                 o.id,
		ctx:                o.ctx,
		outgoing:           xsync.NewMapOfPresized[uint64, *muxClient](1000),
		inStream:           xsync.NewMapOfPresized[uint64, *muxServer](1000),
		outQueue:           make(chan []byte, defaultOutQueue),
		dialer:             o.dial,
		side:               ws.StateServerSide,
		connChange:         &sync.Cond{L: &sync.Mutex{}},
		handlers:           o.handlers,
		auth:               o.auth,

	istiolog.Warn("warn log")
	istiolog.Error("error log")
	istiolog.WithLabels("key", 2).Infof("with labels")
	// This will error because stdout cannot sync, but the UDS part should sync
	// Ideally we would fail if the UDS part fails but the error library makes it kind of tricky
	_ = istiolog.Sync()

	// Restore os stdout.
	os.Stdout = stdout
	assert.NoError(t, istiolog.Configure(loggingOptions))

	assert.NoError(t, w.Close())

	drainAsync := func() {
		if synctimerchan {
			// sync timers must have the right semantics without draining:
			// there are no stale values.
			return
		}

		// async timers can send one stale value (then the timer is disabled).
		drain1()
		if isTicker {
			// async tickers can send two stale values: there may be one
			// sitting in the channel buffer, and there may also be one

//  v5.3: pidfd_open syscall, clone3 syscall;
//  v5.4: P_PIDFD idtype support for waitid syscall;
//  v5.6: pidfd_getfd syscall.

package os

import (
	"errors"
	"internal/syscall/unix"
	"sync"
	"syscall"
	"unsafe"
)

func ensurePidfd(sysAttr *syscall.SysProcAttr) *syscall.SysProcAttr {
	if !pidfdWorks() {
		return sysAttr
	}

	var pidfd int

	if sysAttr == nil {

    return response

# a helper function for asyncio.gather, does not return a value


async def getProductReviewsIgnoreResponse(product_id, headers):
    getProductReviews(product_id, headers)

# flood reviews with unnecessary requests to demonstrate Istio rate limiting, asynchoronously


async def floodReviewsAsynchronously(product_id, headers):
    # the response is disregarded

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build unix

package syscall

import (
	"sync/atomic"
)

// origRlimitNofile, if non-nil, is the original soft RLIMIT_NOFILE.
var origRlimitNofile atomic.Pointer[Rlimit]

// Some systems set an artificially low soft limit on open file count, for compatibility

        public void process(Consumer<TransferEvent> consumer) {
            consumer.accept(event);
        }

        public void waitForProcessed() throws InterruptedException {
            // nothing, is async
        }
    }

    private static class BlockingExchange extends Exchange {
        private final CountDownLatch latch = new CountDownLatch(1);

        private BlockingExchange(TransferEvent event) {

* Fix typos in Async docs. PR [#1423](https://github.com/tiangolo/fastapi/pull/1423).

## 0.54.2

* Add translation to Spanish for [Concurrency and async / await - Concurrencia y async / await](https://fastapi.tiangolo.com/es/async/). PR [#1290](https://github.com/tiangolo/fastapi/pull/1290) by [@alvaropernas](https://github.com/alvaropernas).

	// Note: runExistingState is NOT respected here.
	// Informer doesn't expose a way to do that. However, due to the runtime model of informers, this isn't a dealbreaker;
	// the handlers are all called async, so we don't end up with the same deadlocks we would have in the other collection types.
	// While this is quite kludgy, this is an internal interface so its not too bad.
	if !i.eventHandlers.Insert(f) {

				write(block)
				if canWrite {
					w.(http.Flusher).Flush()
				}
			}
		}
	}()
	return &h
}

var poolBuf8k = sync.Pool{
	New: func() interface{} {
		b := make([]byte, 8192)
		return &b
	},
}

var poolBuf128k = sync.Pool{
	New: func() interface{} {
		b := make([]byte, 128<<10)
		return b
	},
}

// waitForHTTPStream will wait for responses where