//go:build unix

package syscall

import _ "unsafe" // for linkname

// mmap should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - modernc.org/memory
//   - github.com/ncruces/go-sqlite3
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//

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

package counter

import (
	"bytes"
	"fmt"
	"strings"
	"unsafe"

	"golang.org/x/telemetry/internal/mmap"
)

type File struct {
	Meta  map[string]string
	Count map[string]uint64
}

func Parse(filename string, data []byte) (*File, error) {
	if !bytes.HasPrefix(data, []byte(hdrPrefix)) || len(data) < pageSize {

    @Inject //@javax.inject.Inject
    MyBuildLayoutPlugin(BuildLayout buildLayout) {
        this.buildLayout = buildLayout
    }

    @Override void apply(Settings settings) {
        // the meat and potatoes of the plugin
        println buildLayout.rootDirectory
    }
}

apply plugin: MyBuildLayoutPlugin

fi

uname=$(uname)

includes_AIX='
#include <net/if.h>
#include <net/netopt.h>
#include <netinet/ip_mroute.h>
#include <sys/protosw.h>
#include <sys/stropts.h>
#include <sys/mman.h>
#include <sys/poll.h>
#include <sys/select.h>
#include <sys/termio.h>
#include <termios.h>
#include <fcntl.h>

#define AF_LOCAL AF_UNIX
'

includes_Darwin='
#define _DARWIN_C_SOURCE

	if start/pageSize != (start+n)/pageSize {
		// bump start to next page
		start = round(limit, pageSize)
	}
	return start, start + n
}

var memmap = mmap.Mmap
var munmap = mmap.Munmap

func (m *mappedFile) close() {
	m.closeOnce.Do(func() {
		if m.mapping != nil {
			munmap(m.mapping)
			m.mapping = nil
		}
		if m.f != nil {
			m.f.Close() // best effort

var mapper = &mmapper{
	active: make(map[*byte][]byte),
	mmap:   mmap,
	munmap: munmap,
}

//sys	mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
//sys	munmap(addr uintptr, length uintptr) (err error)

func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
	return mapper.Mmap(fd, offset, length, prot, flags)
}

	}
	return
}
func osinit_hack_trampoline()

// mmap is used to do low-level memory allocation via mmap. Don't allow stack
// splits, since this function (used by sysAlloc) is called in a lot of low-level
// parts of the runtime and callers often assume it won't acquire any locks.
//
//go:nosplit
func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (unsafe.Pointer, int) {

	// which we don't know the size.
	if ctxt.Arch.Family != sys.Wasm {
		// Don't mmap if we're building for Wasm. Wasm file
		// layout is very different so filesize is meaningless.
		if err := ctxt.Out.Mmap(filesize); err != nil {
			Exitf("mapping output file failed: %v", err)
		}
	}
	// asmb will redirect symbols to the output file mmap, and relocations
	// will be applied directly there.
	bench.Start("Asmb")
	asmb(ctxt)

		testNormalDistribution(t, numTestSamples, 0, 1, seed)
	}
}

func TestNonStandardNormalValues(t *testing.T) {
	sdmax := 1000.0
	mmax := 1000.0
	if testing.Short() {
		sdmax = 5
		mmax = 5
	}
	for sd := 0.5; sd < sdmax; sd *= 2 {
		for m := 0.5; m < mmax; m *= 2 {
			for _, seed := range testSeeds {
				testNormalDistribution(t, numTestSamples, m, sd, seed)
				if testing.Short() {
					break
				}

		testNormalDistribution(t, numTestSamples, 0, 1, seed)
	}
}

func TestNonStandardNormalValues(t *testing.T) {
	sdmax := 1000.0
	mmax := 1000.0
	if testing.Short() {
		sdmax = 5
		mmax = 5
	}
	for sd := 0.5; sd < sdmax; sd *= 2 {
		for m := 0.5; m < mmax; m *= 2 {
			for _, seed := range testSeeds {
				testNormalDistribution(t, numTestSamples, m, sd, seed)
				if testing.Short() {
					break
				}