gp.m.blocked = false
}

//go:nosplit
func notetsleep_internal(n *note, ns int64, gp *g, deadline int64) bool {
	// gp and deadline are logically local variables, but they are written
	// as parameters so that the stack space they require is charged
	// to the caller.
	// This reduces the nosplit footprint of notetsleep_internal.
	gp = getg()

	// Register for wakeup on n->waitm.

func runningGoroutines() []string {
	var gss []string
	b := make([]byte, 2<<20)
	b = b[:runtime.Stack(b, true)]
	for _, s := range strings.Split(string(b), "\n\n") {
		_, stack, _ := strings.Cut(s, "\n")
		stack = strings.TrimSpace(stack)
		if !strings.Contains(stack, "created by net") {
			continue
		}
		gss = append(gss, stack)
	}
	slices.Sort(gss)
	return gss
}

func printInflightSockets() {

//go:build aix

package runtime

import (
	"internal/abi"
	"internal/runtime/atomic"
	"unsafe"
)

const (
	threadStackSize = 0x100000 // size of a thread stack allocated by OS
)

// funcDescriptor is a structure representing a function descriptor
// A variable with this type is always created in assembler
type funcDescriptor struct {
	fn         uintptr
	toc        uintptr

// license that can be found in the LICENSE file.

// Issue 2444
// Issue 4666: issue with arrays of exactly 4GB.

package main

var z [10 << 20]byte

func main() { // GC_ERROR "stack frame too large"
	// seq 1 206 | sed 's/.*/	var x& [10<<20]byte/'
	// seq 1 206 | sed 's/.*/	z = x&/'
	var x1 [10<<20]byte
	var x2 [10<<20]byte
	var x3 [10<<20]byte
	var x4 [10<<20]byte
	var x5 [10<<20]byte

	if err := syscall.Close(*pipeFD); err != nil {
		panic(fmt.Sprintf("error closing control pipe fd %d: %v", *pipeFD, err))
	}

	for {}
}
`

// TestGdbCoreSignalBacktrace tests that gdb can unwind the stack correctly
// through a signal handler in a core file
func TestGdbCoreSignalBacktrace(t *testing.T) {
	if runtime.GOOS != "linux" {
		// N.B. This test isn't fundamentally Linux-only, but it needs

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Trace stack table and acquisition.

package runtime

import (
	"internal/abi"
	"internal/goarch"
	"unsafe"
)

// traceTypeTable maps stack traces (arrays of PC's) to unique uint32 ids.
// It is lock-free for reading.
type traceTypeTable struct {
	tab traceMap
}

	}

	values := []int64{0, 0, 0, 0}
	var locs []uint64
	for _, r := range p {
		hideRuntime := true
		for tries := 0; tries < 2; tries++ {
			stk := r.Stack
			// For heap profiles, all stack
			// addresses are return PCs, which is
			// what appendLocsForStack expects.
			if hideRuntime {
				for i, addr := range stk {

}

func (r *Config) HasCounterPrefix(program, prefix string) bool {
	return r.pgcounterprefix[pgkey{program, prefix}]
}

func (r *Config) HasStack(program, stack string) bool {
	return r.pgstack[pgkey{program, stack}]
}

func (r *Config) Rate(program, name string) float64 {
	return r.rate[pgkey{program, name}]
}

func set(slice []string) map[string]bool {

		cfg.CallTree = true
		cfg.Trim = false
		cfg.Granularity = "filefunctions"
	})
	if rpt == nil {
		return // error already reported
	}

	// Make stack data and generate corresponding JSON.
	stacks := rpt.Stacks()
	b, err := json.Marshal(stacks)
	if err != nil {
		http.Error(w, "error serializing stacks for flame graph",
			http.StatusInternalServerError)

// return value is only set on linux to be used in osinit().
func madvise(addr unsafe.Pointer, n uintptr, flags int32) int32

// exitThread terminates the current thread, writing *wait = freeMStack when
// the stack is safe to reclaim.
//
//go:noescape
func exitThread(wait *atomic.Uint32)

//go:noescape
func obsdsigprocmask(how int32, new sigset) sigset

//go:nosplit
//go:nowritebarrierrec