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Support CNI 1.0.0

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Fix #792
This commit is contained in:
Tomofumi Hayashi
2022-03-02 01:55:23 +09:00
parent ecc98be9c6
commit 93ec0c121e
835 changed files with 80172 additions and 36848 deletions
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480
vendor/golang.org/x/sys/unix/syscall_linux.go generated vendored
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@@ -13,8 +13,8 @@ package unix
import (
"encoding/binary"
"runtime"
"syscall"
"time"
"unsafe"
)
@@ -38,6 +38,13 @@ func Creat(path string, mode uint32) (fd int, err error) {
return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode)
}
func EpollCreate(size int) (fd int, err error) {
if size <= 0 {
return -1, EINVAL
}
return EpollCreate1(0)
}
//sys FanotifyInit(flags uint, event_f_flags uint) (fd int, err error)
//sys fanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname *byte) (err error)
@@ -66,92 +73,22 @@ func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
return fchmodat(dirfd, path, mode)
}
//sys ioctl(fd int, req uint, arg uintptr) (err error)
// ioctl itself should not be exposed directly, but additional get/set
// functions for specific types are permissible.
// IoctlRetInt performs an ioctl operation specified by req on a device
// associated with opened file descriptor fd, and returns a non-negative
// integer that is returned by the ioctl syscall.
func IoctlRetInt(fd int, req uint) (int, error) {
ret, _, err := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), 0)
if err != 0 {
return 0, err
}
return int(ret), nil
func InotifyInit() (fd int, err error) {
return InotifyInit1(0)
}
func IoctlSetRTCTime(fd int, value *RTCTime) error {
err := ioctl(fd, RTC_SET_TIME, uintptr(unsafe.Pointer(value)))
runtime.KeepAlive(value)
return err
}
//sys ioctl(fd int, req uint, arg uintptr) (err error) = SYS_IOCTL
//sys ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL
func IoctlSetRTCWkAlrm(fd int, value *RTCWkAlrm) error {
err := ioctl(fd, RTC_WKALM_SET, uintptr(unsafe.Pointer(value)))
runtime.KeepAlive(value)
return err
}
func IoctlGetUint32(fd int, req uint) (uint32, error) {
var value uint32
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
return value, err
}
func IoctlGetRTCTime(fd int) (*RTCTime, error) {
var value RTCTime
err := ioctl(fd, RTC_RD_TIME, uintptr(unsafe.Pointer(&value)))
return &value, err
}
// IoctlGetWatchdogInfo fetches information about a watchdog device from the
// Linux watchdog API. For more information, see:
// https://www.kernel.org/doc/html/latest/watchdog/watchdog-api.html.
func IoctlGetWatchdogInfo(fd int) (*WatchdogInfo, error) {
var value WatchdogInfo
err := ioctl(fd, WDIOC_GETSUPPORT, uintptr(unsafe.Pointer(&value)))
return &value, err
}
func IoctlGetRTCWkAlrm(fd int) (*RTCWkAlrm, error) {
var value RTCWkAlrm
err := ioctl(fd, RTC_WKALM_RD, uintptr(unsafe.Pointer(&value)))
return &value, err
}
// IoctlFileCloneRange performs an FICLONERANGE ioctl operation to clone the
// range of data conveyed in value to the file associated with the file
// descriptor destFd. See the ioctl_ficlonerange(2) man page for details.
func IoctlFileCloneRange(destFd int, value *FileCloneRange) error {
err := ioctl(destFd, FICLONERANGE, uintptr(unsafe.Pointer(value)))
runtime.KeepAlive(value)
return err
}
// IoctlFileClone performs an FICLONE ioctl operation to clone the entire file
// associated with the file description srcFd to the file associated with the
// file descriptor destFd. See the ioctl_ficlone(2) man page for details.
func IoctlFileClone(destFd, srcFd int) error {
return ioctl(destFd, FICLONE, uintptr(srcFd))
}
// IoctlFileDedupeRange performs an FIDEDUPERANGE ioctl operation to share the
// range of data conveyed in value with the file associated with the file
// descriptor destFd. See the ioctl_fideduperange(2) man page for details.
func IoctlFileDedupeRange(destFd int, value *FileDedupeRange) error {
err := ioctl(destFd, FIDEDUPERANGE, uintptr(unsafe.Pointer(value)))
runtime.KeepAlive(value)
return err
}
// IoctlWatchdogKeepalive issues a keepalive ioctl to a watchdog device. For
// more information, see:
// https://www.kernel.org/doc/html/latest/watchdog/watchdog-api.html.
func IoctlWatchdogKeepalive(fd int) error {
return ioctl(fd, WDIOC_KEEPALIVE, 0)
}
// ioctl itself should not be exposed directly, but additional get/set functions
// for specific types are permissible. These are defined in ioctl.go and
// ioctl_linux.go.
//
// The third argument to ioctl is often a pointer but sometimes an integer.
// Callers should use ioctlPtr when the third argument is a pointer and ioctl
// when the third argument is an integer.
//
// TODO: some existing code incorrectly uses ioctl when it should use ioctlPtr.
//sys Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error)
@@ -183,6 +120,25 @@ func Openat2(dirfd int, path string, how *OpenHow) (fd int, err error) {
return openat2(dirfd, path, how, SizeofOpenHow)
}
func Pipe(p []int) error {
return Pipe2(p, 0)
}
//sysnb pipe2(p *[2]_C_int, flags int) (err error)
func Pipe2(p []int, flags int) error {
if len(p) != 2 {
return EINVAL
}
var pp [2]_C_int
err := pipe2(&pp, flags)
if err == nil {
p[0] = int(pp[0])
p[1] = int(pp[1])
}
return err
}
//sys ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
@@ -192,6 +148,15 @@ func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error
return ppoll(&fds[0], len(fds), timeout, sigmask)
}
func Poll(fds []PollFd, timeout int) (n int, err error) {
var ts *Timespec
if timeout >= 0 {
ts = new(Timespec)
*ts = NsecToTimespec(int64(timeout) * 1e6)
}
return Ppoll(fds, ts, nil)
}
//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
func Readlink(path string, buf []byte) (n int, err error) {
@@ -242,27 +207,7 @@ func Utimes(path string, tv []Timeval) error {
//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
func UtimesNano(path string, ts []Timespec) error {
if ts == nil {
err := utimensat(AT_FDCWD, path, nil, 0)
if err != ENOSYS {
return err
}
return utimes(path, nil)
}
if len(ts) != 2 {
return EINVAL
}
err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
if err != ENOSYS {
return err
}
// If the utimensat syscall isn't available (utimensat was added to Linux
// in 2.6.22, Released, 8 July 2007) then fall back to utimes
var tv [2]Timeval
for i := 0; i < 2; i++ {
tv[i] = NsecToTimeval(TimespecToNsec(ts[i]))
}
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
return UtimesNanoAt(AT_FDCWD, path, ts, 0)
}
func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error {
@@ -305,6 +250,13 @@ func Getwd() (wd string, err error) {
if n < 1 || n > len(buf) || buf[n-1] != 0 {
return "", EINVAL
}
// In some cases, Linux can return a path that starts with the
// "(unreachable)" prefix, which can potentially be a valid relative
// path. To work around that, return ENOENT if path is not absolute.
if buf[0] != '/' {
return "", ENOENT
}
return string(buf[0 : n-1]), nil
}
@@ -430,9 +382,7 @@ func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
p[0] = byte(sa.Port >> 8)
p[1] = byte(sa.Port)
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
sa.raw.Addr = sa.Addr
return unsafe.Pointer(&sa.raw), SizeofSockaddrInet4, nil
}
@@ -445,9 +395,7 @@ func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) {
p[0] = byte(sa.Port >> 8)
p[1] = byte(sa.Port)
sa.raw.Scope_id = sa.ZoneId
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
sa.raw.Addr = sa.Addr
return unsafe.Pointer(&sa.raw), SizeofSockaddrInet6, nil
}
@@ -496,9 +444,7 @@ func (sa *SockaddrLinklayer) sockaddr() (unsafe.Pointer, _Socklen, error) {
sa.raw.Hatype = sa.Hatype
sa.raw.Pkttype = sa.Pkttype
sa.raw.Halen = sa.Halen
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
sa.raw.Addr = sa.Addr
return unsafe.Pointer(&sa.raw), SizeofSockaddrLinklayer, nil
}
@@ -641,6 +587,36 @@ func (sa *SockaddrCAN) sockaddr() (unsafe.Pointer, _Socklen, error) {
return unsafe.Pointer(&sa.raw), SizeofSockaddrCAN, nil
}
// SockaddrCANJ1939 implements the Sockaddr interface for AF_CAN using J1939
// protocol (https://en.wikipedia.org/wiki/SAE_J1939). For more information
// on the purposes of the fields, check the official linux kernel documentation
// available here: https://www.kernel.org/doc/Documentation/networking/j1939.rst
type SockaddrCANJ1939 struct {
Ifindex int
Name uint64
PGN uint32
Addr uint8
raw RawSockaddrCAN
}
func (sa *SockaddrCANJ1939) sockaddr() (unsafe.Pointer, _Socklen, error) {
if sa.Ifindex < 0 || sa.Ifindex > 0x7fffffff {
return nil, 0, EINVAL
}
sa.raw.Family = AF_CAN
sa.raw.Ifindex = int32(sa.Ifindex)
n := (*[8]byte)(unsafe.Pointer(&sa.Name))
for i := 0; i < 8; i++ {
sa.raw.Addr[i] = n[i]
}
p := (*[4]byte)(unsafe.Pointer(&sa.PGN))
for i := 0; i < 4; i++ {
sa.raw.Addr[i+8] = p[i]
}
sa.raw.Addr[12] = sa.Addr
return unsafe.Pointer(&sa.raw), SizeofSockaddrCAN, nil
}
// SockaddrALG implements the Sockaddr interface for AF_ALG type sockets.
// SockaddrALG enables userspace access to the Linux kernel's cryptography
// subsystem. The Type and Name fields specify which type of hash or cipher
@@ -748,16 +724,19 @@ type SockaddrVM struct {
// CID and Port specify a context ID and port address for a VM socket.
// Guests have a unique CID, and hosts may have a well-known CID of:
// - VMADDR_CID_HYPERVISOR: refers to the hypervisor process.
// - VMADDR_CID_LOCAL: refers to local communication (loopback).
// - VMADDR_CID_HOST: refers to other processes on the host.
CID uint32
Port uint32
raw RawSockaddrVM
CID uint32
Port uint32
Flags uint8
raw RawSockaddrVM
}
func (sa *SockaddrVM) sockaddr() (unsafe.Pointer, _Socklen, error) {
sa.raw.Family = AF_VSOCK
sa.raw.Port = sa.Port
sa.raw.Cid = sa.CID
sa.raw.Flags = sa.Flags
return unsafe.Pointer(&sa.raw), SizeofSockaddrVM, nil
}
@@ -880,12 +859,10 @@ func (sa *SockaddrTIPC) sockaddr() (unsafe.Pointer, _Socklen, error) {
if sa.Addr == nil {
return nil, 0, EINVAL
}
sa.raw.Family = AF_TIPC
sa.raw.Scope = int8(sa.Scope)
sa.raw.Addrtype = sa.Addr.tipcAddrtype()
sa.raw.Addr = sa.Addr.tipcAddr()
return unsafe.Pointer(&sa.raw), SizeofSockaddrTIPC, nil
}
@@ -899,9 +876,7 @@ type SockaddrL2TPIP struct {
func (sa *SockaddrL2TPIP) sockaddr() (unsafe.Pointer, _Socklen, error) {
sa.raw.Family = AF_INET
sa.raw.Conn_id = sa.ConnId
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
sa.raw.Addr = sa.Addr
return unsafe.Pointer(&sa.raw), SizeofSockaddrL2TPIP, nil
}
@@ -917,9 +892,7 @@ func (sa *SockaddrL2TPIP6) sockaddr() (unsafe.Pointer, _Socklen, error) {
sa.raw.Family = AF_INET6
sa.raw.Conn_id = sa.ConnId
sa.raw.Scope_id = sa.ZoneId
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
sa.raw.Addr = sa.Addr
return unsafe.Pointer(&sa.raw), SizeofSockaddrL2TPIP6, nil
}
@@ -952,6 +925,50 @@ func (sa *SockaddrIUCV) sockaddr() (unsafe.Pointer, _Socklen, error) {
return unsafe.Pointer(&sa.raw), SizeofSockaddrIUCV, nil
}
type SockaddrNFC struct {
DeviceIdx uint32
TargetIdx uint32
NFCProtocol uint32
raw RawSockaddrNFC
}
func (sa *SockaddrNFC) sockaddr() (unsafe.Pointer, _Socklen, error) {
sa.raw.Sa_family = AF_NFC
sa.raw.Dev_idx = sa.DeviceIdx
sa.raw.Target_idx = sa.TargetIdx
sa.raw.Nfc_protocol = sa.NFCProtocol
return unsafe.Pointer(&sa.raw), SizeofSockaddrNFC, nil
}
type SockaddrNFCLLCP struct {
DeviceIdx uint32
TargetIdx uint32
NFCProtocol uint32
DestinationSAP uint8
SourceSAP uint8
ServiceName string
raw RawSockaddrNFCLLCP
}
func (sa *SockaddrNFCLLCP) sockaddr() (unsafe.Pointer, _Socklen, error) {
sa.raw.Sa_family = AF_NFC
sa.raw.Dev_idx = sa.DeviceIdx
sa.raw.Target_idx = sa.TargetIdx
sa.raw.Nfc_protocol = sa.NFCProtocol
sa.raw.Dsap = sa.DestinationSAP
sa.raw.Ssap = sa.SourceSAP
if len(sa.ServiceName) > len(sa.raw.Service_name) {
return nil, 0, EINVAL
}
copy(sa.raw.Service_name[:], sa.ServiceName)
sa.raw.SetServiceNameLen(len(sa.ServiceName))
return unsafe.Pointer(&sa.raw), SizeofSockaddrNFCLLCP, nil
}
var socketProtocol = func(fd int) (int, error) {
return GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
}
func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
switch rsa.Addr.Family {
case AF_NETLINK:
@@ -971,9 +988,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
sa.Hatype = pp.Hatype
sa.Pkttype = pp.Pkttype
sa.Halen = pp.Halen
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
sa.Addr = pp.Addr
return sa, nil
case AF_UNIX:
@@ -1002,7 +1017,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
return sa, nil
case AF_INET:
proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
proto, err := socketProtocol(fd)
if err != nil {
return nil, err
}
@@ -1012,23 +1027,19 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
pp := (*RawSockaddrL2TPIP)(unsafe.Pointer(rsa))
sa := new(SockaddrL2TPIP)
sa.ConnId = pp.Conn_id
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
sa.Addr = pp.Addr
return sa, nil
default:
pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
sa := new(SockaddrInet4)
p := (*[2]byte)(unsafe.Pointer(&pp.Port))
sa.Port = int(p[0])<<8 + int(p[1])
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
sa.Addr = pp.Addr
return sa, nil
}
case AF_INET6:
proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
proto, err := socketProtocol(fd)
if err != nil {
return nil, err
}
@@ -1039,9 +1050,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
sa := new(SockaddrL2TPIP6)
sa.ConnId = pp.Conn_id
sa.ZoneId = pp.Scope_id
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
sa.Addr = pp.Addr
return sa, nil
default:
pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
@@ -1049,21 +1058,20 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
p := (*[2]byte)(unsafe.Pointer(&pp.Port))
sa.Port = int(p[0])<<8 + int(p[1])
sa.ZoneId = pp.Scope_id
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
sa.Addr = pp.Addr
return sa, nil
}
case AF_VSOCK:
pp := (*RawSockaddrVM)(unsafe.Pointer(rsa))
sa := &SockaddrVM{
CID: pp.Cid,
Port: pp.Port,
CID: pp.Cid,
Port: pp.Port,
Flags: pp.Flags,
}
return sa, nil
case AF_BLUETOOTH:
proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
proto, err := socketProtocol(fd)
if err != nil {
return nil, err
}
@@ -1150,20 +1158,74 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
return sa, nil
case AF_CAN:
pp := (*RawSockaddrCAN)(unsafe.Pointer(rsa))
sa := &SockaddrCAN{
Ifindex: int(pp.Ifindex),
proto, err := socketProtocol(fd)
if err != nil {
return nil, err
}
rx := (*[4]byte)(unsafe.Pointer(&sa.RxID))
for i := 0; i < 4; i++ {
rx[i] = pp.Addr[i]
}
tx := (*[4]byte)(unsafe.Pointer(&sa.TxID))
for i := 0; i < 4; i++ {
tx[i] = pp.Addr[i+4]
}
return sa, nil
pp := (*RawSockaddrCAN)(unsafe.Pointer(rsa))
switch proto {
case CAN_J1939:
sa := &SockaddrCANJ1939{
Ifindex: int(pp.Ifindex),
}
name := (*[8]byte)(unsafe.Pointer(&sa.Name))
for i := 0; i < 8; i++ {
name[i] = pp.Addr[i]
}
pgn := (*[4]byte)(unsafe.Pointer(&sa.PGN))
for i := 0; i < 4; i++ {
pgn[i] = pp.Addr[i+8]
}
addr := (*[1]byte)(unsafe.Pointer(&sa.Addr))
addr[0] = pp.Addr[12]
return sa, nil
default:
sa := &SockaddrCAN{
Ifindex: int(pp.Ifindex),
}
rx := (*[4]byte)(unsafe.Pointer(&sa.RxID))
for i := 0; i < 4; i++ {
rx[i] = pp.Addr[i]
}
tx := (*[4]byte)(unsafe.Pointer(&sa.TxID))
for i := 0; i < 4; i++ {
tx[i] = pp.Addr[i+4]
}
return sa, nil
}
case AF_NFC:
proto, err := socketProtocol(fd)
if err != nil {
return nil, err
}
switch proto {
case NFC_SOCKPROTO_RAW:
pp := (*RawSockaddrNFC)(unsafe.Pointer(rsa))
sa := &SockaddrNFC{
DeviceIdx: pp.Dev_idx,
TargetIdx: pp.Target_idx,
NFCProtocol: pp.Nfc_protocol,
}
return sa, nil
case NFC_SOCKPROTO_LLCP:
pp := (*RawSockaddrNFCLLCP)(unsafe.Pointer(rsa))
if uint64(pp.Service_name_len) > uint64(len(pp.Service_name)) {
return nil, EINVAL
}
sa := &SockaddrNFCLLCP{
DeviceIdx: pp.Dev_idx,
TargetIdx: pp.Target_idx,
NFCProtocol: pp.Nfc_protocol,
DestinationSAP: pp.Dsap,
SourceSAP: pp.Ssap,
ServiceName: string(pp.Service_name[:pp.Service_name_len]),
}
return sa, nil
default:
return nil, EINVAL
}
}
return nil, EAFNOSUPPORT
}
@@ -1171,7 +1233,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
func Accept(fd int) (nfd int, sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
nfd, err = accept(fd, &rsa, &len)
nfd, err = accept4(fd, &rsa, &len, 0)
if err != nil {
return
}
@@ -1293,6 +1355,13 @@ func SetsockoptTpacketReq3(fd, level, opt int, tp *TpacketReq3) error {
return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp))
}
func SetsockoptTCPRepairOpt(fd, level, opt int, o []TCPRepairOpt) (err error) {
if len(o) == 0 {
return EINVAL
}
return setsockopt(fd, level, opt, unsafe.Pointer(&o[0]), uintptr(SizeofTCPRepairOpt*len(o)))
}
// Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html)
// KeyctlInt calls keyctl commands in which each argument is an int.
@@ -1425,8 +1494,8 @@ func KeyctlRestrictKeyring(ringid int, keyType string, restriction string) error
return keyctlRestrictKeyringByType(KEYCTL_RESTRICT_KEYRING, ringid, keyType, restriction)
}
//sys keyctlRestrictKeyringByType(cmd int, arg2 int, keyType string, restriction string) (err error) = SYS_KEYCTL
//sys keyctlRestrictKeyring(cmd int, arg2 int) (err error) = SYS_KEYCTL
//sys keyctlRestrictKeyringByType(cmd int, arg2 int, keyType string, restriction string) (err error) = SYS_KEYCTL
//sys keyctlRestrictKeyring(cmd int, arg2 int) (err error) = SYS_KEYCTL
func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
var msg Msghdr
@@ -1716,6 +1785,16 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
return mount(source, target, fstype, flags, datap)
}
//sys mountSetattr(dirfd int, pathname string, flags uint, attr *MountAttr, size uintptr) (err error) = SYS_MOUNT_SETATTR
// MountSetattr is a wrapper for mount_setattr(2).
// https://man7.org/linux/man-pages/man2/mount_setattr.2.html
//
// Requires kernel >= 5.12.
func MountSetattr(dirfd int, pathname string, flags uint, attr *MountAttr) error {
return mountSetattr(dirfd, pathname, flags, attr, unsafe.Sizeof(*attr))
}
func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
if raceenabled {
raceReleaseMerge(unsafe.Pointer(&ioSync))
@@ -1741,16 +1820,13 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
//sys ClockGettime(clockid int32, time *Timespec) (err error)
//sys ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error)
//sys Close(fd int) (err error)
//sys CloseRange(first uint, last uint, flags uint) (err error)
//sys CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
//sys DeleteModule(name string, flags int) (err error)
//sys Dup(oldfd int) (fd int, err error)
func Dup2(oldfd, newfd int) error {
// Android O and newer blocks dup2; riscv and arm64 don't implement dup2.
if runtime.GOOS == "android" || runtime.GOARCH == "riscv64" || runtime.GOARCH == "arm64" {
return Dup3(oldfd, newfd, 0)
}
return dup2(oldfd, newfd)
return Dup3(oldfd, newfd, 0)
}
//sys Dup3(oldfd int, newfd int, flags int) (err error)
@@ -1803,8 +1879,8 @@ func Getpgrp() (pid int) {
//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys PerfEventOpen(attr *PerfEventAttr, pid int, cpu int, groupFd int, flags int) (fd int, err error)
//sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT
//sysnb prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) = SYS_PRLIMIT64
//sys Prctl(option int, arg2 uintptr, arg3 uintptr, arg4 uintptr, arg5 uintptr) (err error)
//sysnb Prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) = SYS_PRLIMIT64
//sys Prctl(option int, arg2 uintptr, arg3 uintptr, arg4 uintptr, arg5 uintptr) (err error)
//sys Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) = SYS_PSELECT6
//sys read(fd int, p []byte) (n int, err error)
//sys Removexattr(path string, attr string) (err error)
@@ -1877,9 +1953,9 @@ func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
//sys Syncfs(fd int) (err error)
//sysnb Sysinfo(info *Sysinfo_t) (err error)
//sys Tee(rfd int, wfd int, len int, flags int) (n int64, err error)
//sysnb TimerfdCreate(clockid int, flags int) (fd int, err error)
//sysnb TimerfdGettime(fd int, currValue *ItimerSpec) (err error)
//sysnb TimerfdSettime(fd int, flags int, newValue *ItimerSpec, oldValue *ItimerSpec) (err error)
//sysnb TimerfdCreate(clockid int, flags int) (fd int, err error)
//sysnb TimerfdGettime(fd int, currValue *ItimerSpec) (err error)
//sysnb TimerfdSettime(fd int, flags int, newValue *ItimerSpec, oldValue *ItimerSpec) (err error)
//sysnb Tgkill(tgid int, tid int, sig syscall.Signal) (err error)
//sysnb Times(tms *Tms) (ticks uintptr, err error)
//sysnb Umask(mask int) (oldmask int)
@@ -2139,8 +2215,8 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
return EACCES
}
//sys nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) = SYS_NAME_TO_HANDLE_AT
//sys openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) = SYS_OPEN_BY_HANDLE_AT
//sys nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) = SYS_NAME_TO_HANDLE_AT
//sys openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) = SYS_OPEN_BY_HANDLE_AT
// fileHandle is the argument to nameToHandleAt and openByHandleAt. We
// originally tried to generate it via unix/linux/types.go with "type
@@ -2238,11 +2314,64 @@ type RemoteIovec struct {
//sys ProcessVMReadv(pid int, localIov []Iovec, remoteIov []RemoteIovec, flags uint) (n int, err error) = SYS_PROCESS_VM_READV
//sys ProcessVMWritev(pid int, localIov []Iovec, remoteIov []RemoteIovec, flags uint) (n int, err error) = SYS_PROCESS_VM_WRITEV
//sys PidfdOpen(pid int, flags int) (fd int, err error) = SYS_PIDFD_OPEN
//sys PidfdGetfd(pidfd int, targetfd int, flags int) (fd int, err error) = SYS_PIDFD_GETFD
//sys shmat(id int, addr uintptr, flag int) (ret uintptr, err error)
//sys shmctl(id int, cmd int, buf *SysvShmDesc) (result int, err error)
//sys shmdt(addr uintptr) (err error)
//sys shmget(key int, size int, flag int) (id int, err error)
//sys getitimer(which int, currValue *Itimerval) (err error)
//sys setitimer(which int, newValue *Itimerval, oldValue *Itimerval) (err error)
// MakeItimerval creates an Itimerval from interval and value durations.
func MakeItimerval(interval, value time.Duration) Itimerval {
return Itimerval{
Interval: NsecToTimeval(interval.Nanoseconds()),
Value: NsecToTimeval(value.Nanoseconds()),
}
}
// A value which may be passed to the which parameter for Getitimer and
// Setitimer.
type ItimerWhich int
// Possible which values for Getitimer and Setitimer.
const (
ItimerReal ItimerWhich = ITIMER_REAL
ItimerVirtual ItimerWhich = ITIMER_VIRTUAL
ItimerProf ItimerWhich = ITIMER_PROF
)
// Getitimer wraps getitimer(2) to return the current value of the timer
// specified by which.
func Getitimer(which ItimerWhich) (Itimerval, error) {
var it Itimerval
if err := getitimer(int(which), &it); err != nil {
return Itimerval{}, err
}
return it, nil
}
// Setitimer wraps setitimer(2) to arm or disarm the timer specified by which.
// It returns the previous value of the timer.
//
// If the Itimerval argument is the zero value, the timer will be disarmed.
func Setitimer(which ItimerWhich, it Itimerval) (Itimerval, error) {
var prev Itimerval
if err := setitimer(int(which), &it, &prev); err != nil {
return Itimerval{}, err
}
return prev, nil
}
/*
* Unimplemented
*/
// AfsSyscall
// Alarm
// ArchPrctl
// Brk
// ClockNanosleep
@@ -2258,7 +2387,6 @@ type RemoteIovec struct {
// GetMempolicy
// GetRobustList
// GetThreadArea
// Getitimer
// Getpmsg
// IoCancel
// IoDestroy
@@ -2319,10 +2447,6 @@ type RemoteIovec struct {
// SetRobustList
// SetThreadArea
// SetTidAddress
// Shmat
// Shmctl
// Shmdt
// Shmget
// Sigaltstack
// Swapoff
// Swapon