package unix

import (
	"errors"
	"fmt"
	"strconv"
)

// Pledge implements the pledge syscall.
//
// This changes both the promises and execpromises; use PledgePromises or
// PledgeExecpromises to only change the promises or execpromises
// respectively.
//
// For more information see pledge(2).
func Pledge(promises, execpromises string) error {
	if err := pledgeAvailable(); err != nil {
		return err
	}

//sys	munmap(addr uintptr, length uintptr) (err error)
//sys	getfsstat(stat *Statfs_t, bufsize uintptr, flags int) (n int, err error)
//sys	utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
//sys	pledge(promises *byte, execpromises *byte) (err error)

func pledge(promises *byte, execpromises *byte) (err error) {
	_, _, e1 := syscall_syscall(libc_pledge_trampoline_addr, uintptr(unsafe.Pointer(promises)), uintptr(unsafe.Pointer(execpromises)), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_pledge_trampoline_addr uintptr

//go:cgo_import_dynamic libc_pledge pledge "libc.so"

func pledge(promises *byte, execpromises *byte) (err error) {
	_, _, e1 := syscall_syscall(libc_pledge_trampoline_addr, uintptr(unsafe.Pointer(promises)), uintptr(unsafe.Pointer(execpromises)), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_pledge_trampoline_addr uintptr

//go:cgo_import_dynamic libc_pledge pledge "libc.so"

func pledge(promises *byte, execpromises *byte) (err error) {
	_, _, e1 := syscall_syscall(libc_pledge_trampoline_addr, uintptr(unsafe.Pointer(promises)), uintptr(unsafe.Pointer(execpromises)), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_pledge_trampoline_addr uintptr

//go:cgo_import_dynamic libc_pledge pledge "libc.so"

func pledge(promises *byte, execpromises *byte) (err error) {
	_, _, e1 := syscall_syscall(libc_pledge_trampoline_addr, uintptr(unsafe.Pointer(promises)), uintptr(unsafe.Pointer(execpromises)), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_pledge_trampoline_addr uintptr

//go:cgo_import_dynamic libc_pledge pledge "libc.so"

func pledge(promises *byte, execpromises *byte) (err error) {
	_, _, e1 := syscall_syscall(libc_pledge_trampoline_addr, uintptr(unsafe.Pointer(promises)), uintptr(unsafe.Pointer(execpromises)), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_pledge_trampoline_addr uintptr

//go:cgo_import_dynamic libc_pledge pledge "libc.so"

func pledge(promises *byte, execpromises *byte) (err error) {
	_, _, e1 := syscall_syscall(libc_pledge_trampoline_addr, uintptr(unsafe.Pointer(promises)), uintptr(unsafe.Pointer(execpromises)), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_pledge_trampoline_addr uintptr

//go:cgo_import_dynamic libc_pledge pledge "libc.so"

func pledge(promises *byte, execpromises *byte) (err error) {
	_, _, e1 := syscall_syscall(libc_pledge_trampoline_addr, uintptr(unsafe.Pointer(promises)), uintptr(unsafe.Pointer(execpromises)), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_pledge_trampoline_addr uintptr

//go:cgo_import_dynamic libc_pledge pledge "libc.so"

	"istio.io/istio/pkg/config"
	"istio.io/istio/pkg/ledger"
)

func tryLedgerPut(configLedger ledger.Ledger, obj config.Config) {
	key := obj.Key()
	if _, err := configLedger.Put(key, strconv.FormatInt(obj.Generation, 10)); err != nil {
		scope.Errorf("Failed to update %s in ledger, status will be out of date.", key)
	}
}

func tryLedgerDelete(configLedger ledger.Ledger, obj config.Config) {
	key := obj.Key()