import (
	"bufio"
	"fmt"
	"io"
	"os"
	"path/filepath"
	"strconv"
	"strings"
	"syscall"
)

const (
	// Number of fields per line in /proc/mounts as per the fstab man page.
	expectedNumFieldsPerLine = 6
	// Location of the mount file to use
	procMountsPath = "/proc/mounts"
)

// IsLikelyMountPoint determines if a directory is a mountpoint.
func IsLikelyMountPoint(path string) bool {
	s1, err := os.Lstat(path)

		if strings.HasPrefix(e, "GODEBUG=") || strings.HasPrefix(e, "GOTRACEBACK=") {
			continue
		}
		env = append(env, e)
	}

	proc, err := os.StartProcess(fdsBin, []string{fdsBin}, &os.ProcAttr{
		Env:   env,
		Files: []*os.File{},
	})
	if err != nil {
		t.Fatal(err)
	}
	ps, err := proc.Wait()
	if err != nil {
		t.Fatal(err)
	}
	if ps.ExitCode() != 0 {
		t.Fatalf("testfds failed: %d", ps.ExitCode())
	}

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

package cpu

import (
	"os"
)

const (
	_AT_HWCAP  = 16
	_AT_HWCAP2 = 26

	procAuxv = "/proc/self/auxv"

	uintSize = int(32 << (^uint(0) >> 63))
)

// For those platforms don't have a 'cpuid' equivalent we use HWCAP/HWCAP2
// These are initialized in cpu_$GOARCH.go

test2 called g
panic: wrong method called

panic PC=0x24e040
runtime.panic+0x7c /home/gri/go1/src/pkg/runtime/proc.c:1012
	runtime.panic(0x0, 0x24e0a0)
main.main+0xef /home/gri/go1/test/bugs/bug286.go:76
	main.main()
mainstart+0xf /home/gri/go1/src/pkg/runtime/amd64/asm.s:60
	mainstart()
goexit /home/gri/go1/src/pkg/runtime/proc.c:145
	goexit()

package main

import (
	"bytes"
	"debug/elf"
	"fmt"
	"os"
)

func main() {
	f, err := elf.Open("/proc/self/exe")
	if err != nil {
		if os.IsNotExist(err) {
			return
		}
		fmt.Fprintln(os.Stderr, "opening /proc/self/exe:", err)
		os.Exit(1)
	}

	c := 0
	fail := false
	for i, s := range f.Sections {
		if s.Type != elf.SHT_NOTE {
			continue
		}

	if err != nil {
		t.Skipf("starting test process: %v", err)
	}
	defer p.Kill()

	proc, err := FindProcess(p.Pid)
	if err != nil {
		t.Errorf("OS reported error for running process: %v", err)
	}
	err = proc.Signal(syscall.Signal(0))
	if err != nil {
		t.Errorf("OS reported error for running process: %v", err)
	}

		},
		{
			name: "failed to read os-release file",
			readFileFunc: func(_ string) ([]byte, error) {
				return nil, errors.New("open /proc/sys/kernel/osrelease: failed to read file")
			},
			err:      errors.New("failed to read os-release file: open /proc/sys/kernel/osrelease: failed to read file"),
			expected: nil,
		},
		{
			name: "version not parsable",
			readFileFunc: func(_ string) ([]byte, error) {

		}

		fmt.Printf("leaked parent file. fdtest.Exists(%d) got true want false\n", fd)

		fdfile := fmt.Sprintf("/proc/self/fd/%d", fd)
		link, err := os.Readlink(fdfile)
		fmt.Printf("readlink(%q) = %q, %v\n", fdfile, link, err)

		var args []string
		switch runtime.GOOS {
		case "plan9":
			args = []string{fmt.Sprintf("/proc/%d/fd", os.Getpid())}
		case "aix", "solaris", "illumos":
			args = []string{fmt.Sprint(os.Getpid())}
		default:

    .386
    .model    flat

PUBLIC    _sum
_TEXT     SEGMENT
_sum    PROC
    mov    eax, DWORD PTR 4[esp]
    add    eax, DWORD PTR 8[esp]
    ret    0
_sum    ENDP
_TEXT   ENDS

// FirstQuota is the quota ID we start with.
// XXXXXXX Need a better way of doing this...
var FirstQuota QuotaID = 1048577

// MountsFile is the location of the system mount data
var MountsFile = "/proc/self/mounts"

// MountParseRegexp parses out /proc/sys/self/mounts
var MountParseRegexp = regexp.MustCompilePOSIX("^([^ ]*)[ \t]*([^ ]*)[ \t]*([^ ]*)") // Ignore options etc.

// LinuxVolumeQuotaProvider returns an appropriate quota applier