casgstatus(gnext, _Gwaiting, _Grunnable)
		casgstatus(gnext, _Grunnable, _Grunning)
	}

	// Donate locked state.
	if locked {
		mp.lockedg.set(gnext)
		gnext.lockedm.set(mp)
	}

	// Release the trace locker. We've completed all the necessary transitions..
	if trace.ok() {
		traceRelease(trace)
	}

	// Switch to gnext. Does not return.
	gogo(&gnext.sched)

// will send SIGTRAP to thread ID tid. gp must be locked to its OS thread and
// running.
//
// On success, InjectDebugCall returns the panic value of fn or nil.
// If fn did not panic, its results will be available in args.
func InjectDebugCall(gp *g, fn any, regArgs *abi.RegArgs, stackArgs any, tkill func(tid int) error, returnOnUnsafePoint bool) (any, error) {
	if gp.lockedm == 0 {
		return nil, plainError("goroutine not locked to thread")

					break
				}
				v = atomic.Loaduintptr(&l.key)
				if v&locked == 0 {
					continue Loop
				}
			}
			if v&locked != 0 {
				// Queued. Wait.
				semasleep(-1)
				i = 0
			}
		}
	}
}

func unlock(l *mutex) {
	unlockWithRank(l)
}

// We might not be holding a p in this code.
//
//go:nowritebarrier
func unlock2(l *mutex) {
	gp := getg()
	var mp *m

// relation at all.
//
// [the Go memory model]: https://go.dev/ref/mem
type Mutex struct {
	state int32
	sema  uint32
}

// A Locker represents an object that can be locked and unlocked.
type Locker interface {
	Lock()
	Unlock()
}

const (
	mutexLocked = 1 << iota // mutex is locked
	mutexWoken
	mutexStarving
	mutexWaiterShift = iota

	// Mutex fairness.
	//

		race.Acquire(unsafe.Pointer(&rw.writerSem))
	}
	return true
}

// Unlock unlocks rw for writing. It is a run-time error if rw is
// not locked for writing on entry to Unlock.
//
// As with Mutexes, a locked [RWMutex] is not associated with a particular
// goroutine. One goroutine may [RWMutex.RLock] ([RWMutex.Lock]) a RWMutex and then

	default:
		atomic.StoreInt64(&m.LastPing, time.Now().Unix())
		return pongMsg{}
	}
}

// disconnect will disconnect the mux.
// m.recvMu must be locked when calling this function.
func (m *muxServer) disconnect(msg string, locked bool) {
	if debugPrint {
		fmt.Println("Mux", m.ID, "disconnecting. Reason:", msg)
	}
	if msg != "" {

}

var (
	locked  atomic.Int32
	runGoid atomic.Uint64
	hooks   []Hook
	running bool

	// runtime sets these for us
	Gosched func()
	Goid    func() uint64
	Throw   func(string)
)

// Add adds a new exit hook.
func Add(h Hook) {
	for !locked.CompareAndSwap(0, 1) {
		Gosched()
	}
	hooks = append(hooks, h)
	locked.Store(0)
}

// Run runs the exit hooks.
//

		// Sleep for an arbitrary-but-moderate interval to poll libc interceptors.
		ns = 10e6
	}
	for atomic.Load(key32(&n.key)) == 0 {
		gp.m.blocked = true
		futexsleep(key32(&n.key), 0, ns)
		if *cgo_yield != nil {
			asmcgocall(*cgo_yield, nil)
		}
		gp.m.blocked = false
	}
}

// May run with m.p==nil if called from notetsleep, so write barriers
// are not allowed.
//
//go:nosplit

// blocked goroutines, LockOSThread, pipes, and GOMAXPROCS).

//go:build ignore

package main

import (
	"log"
	"net"
	"os"
	"runtime"
	"runtime/trace"
	"sync"
	"time"
)

func main() {
	var wg sync.WaitGroup
	done := make(chan bool)

	// Create a goroutine blocked before tracing.
	wg.Add(1)
	go func() {
		<-done
		wg.Done()

	g := t.Generation(1)

	// Steal proc from a goroutine that's been blocked
	// in a syscall the entire generation.
	b0 := g.Batch(trace.ThreadID(0), 0)
	b0.Event("ProcStatus", trace.ProcID(0), go122.ProcSyscallAbandoned)
	b0.Event("ProcSteal", trace.ProcID(0), testgen.Seq(1), trace.ThreadID(1))

	// Status event for a goroutine blocked in a syscall for the entire generation.
	bz := g.Batch(trace.NoThread, 0)