You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
582 lines
16 KiB
582 lines
16 KiB
// Copyright 2018 The Go Authors. All rights reserved. |
|
// Use of this source code is governed by a BSD-style |
|
// license that can be found in the LICENSE file. |
|
|
|
//go:build aix |
|
|
|
// Aix system calls. |
|
// This file is compiled as ordinary Go code, |
|
// but it is also input to mksyscall, |
|
// which parses the //sys lines and generates system call stubs. |
|
// Note that sometimes we use a lowercase //sys name and |
|
// wrap it in our own nicer implementation. |
|
|
|
package unix |
|
|
|
import "unsafe" |
|
|
|
/* |
|
* Wrapped |
|
*/ |
|
|
|
func Access(path string, mode uint32) (err error) { |
|
return Faccessat(AT_FDCWD, path, mode, 0) |
|
} |
|
|
|
func Chmod(path string, mode uint32) (err error) { |
|
return Fchmodat(AT_FDCWD, path, mode, 0) |
|
} |
|
|
|
func Chown(path string, uid int, gid int) (err error) { |
|
return Fchownat(AT_FDCWD, path, uid, gid, 0) |
|
} |
|
|
|
func Creat(path string, mode uint32) (fd int, err error) { |
|
return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode) |
|
} |
|
|
|
//sys utimes(path string, times *[2]Timeval) (err error) |
|
|
|
func Utimes(path string, tv []Timeval) error { |
|
if len(tv) != 2 { |
|
return EINVAL |
|
} |
|
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) |
|
} |
|
|
|
//sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) |
|
|
|
func UtimesNano(path string, ts []Timespec) error { |
|
if len(ts) != 2 { |
|
return EINVAL |
|
} |
|
return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) |
|
} |
|
|
|
func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error { |
|
if ts == nil { |
|
return utimensat(dirfd, path, nil, flags) |
|
} |
|
if len(ts) != 2 { |
|
return EINVAL |
|
} |
|
return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags) |
|
} |
|
|
|
func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) { |
|
if sa.Port < 0 || sa.Port > 0xFFFF { |
|
return nil, 0, EINVAL |
|
} |
|
sa.raw.Family = AF_INET |
|
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) |
|
p[0] = byte(sa.Port >> 8) |
|
p[1] = byte(sa.Port) |
|
sa.raw.Addr = sa.Addr |
|
return unsafe.Pointer(&sa.raw), SizeofSockaddrInet4, nil |
|
} |
|
|
|
func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) { |
|
if sa.Port < 0 || sa.Port > 0xFFFF { |
|
return nil, 0, EINVAL |
|
} |
|
sa.raw.Family = AF_INET6 |
|
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) |
|
p[0] = byte(sa.Port >> 8) |
|
p[1] = byte(sa.Port) |
|
sa.raw.Scope_id = sa.ZoneId |
|
sa.raw.Addr = sa.Addr |
|
return unsafe.Pointer(&sa.raw), SizeofSockaddrInet6, nil |
|
} |
|
|
|
func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) { |
|
name := sa.Name |
|
n := len(name) |
|
if n > len(sa.raw.Path) { |
|
return nil, 0, EINVAL |
|
} |
|
if n == len(sa.raw.Path) && name[0] != '@' { |
|
return nil, 0, EINVAL |
|
} |
|
sa.raw.Family = AF_UNIX |
|
for i := 0; i < n; i++ { |
|
sa.raw.Path[i] = uint8(name[i]) |
|
} |
|
// length is family (uint16), name, NUL. |
|
sl := _Socklen(2) |
|
if n > 0 { |
|
sl += _Socklen(n) + 1 |
|
} |
|
if sa.raw.Path[0] == '@' || (sa.raw.Path[0] == 0 && sl > 3) { |
|
// Check sl > 3 so we don't change unnamed socket behavior. |
|
sa.raw.Path[0] = 0 |
|
// Don't count trailing NUL for abstract address. |
|
sl-- |
|
} |
|
|
|
return unsafe.Pointer(&sa.raw), sl, nil |
|
} |
|
|
|
func Getsockname(fd int) (sa Sockaddr, err error) { |
|
var rsa RawSockaddrAny |
|
var len _Socklen = SizeofSockaddrAny |
|
if err = getsockname(fd, &rsa, &len); err != nil { |
|
return |
|
} |
|
return anyToSockaddr(fd, &rsa) |
|
} |
|
|
|
//sys getcwd(buf []byte) (err error) |
|
|
|
const ImplementsGetwd = true |
|
|
|
func Getwd() (ret string, err error) { |
|
for len := uint64(4096); ; len *= 2 { |
|
b := make([]byte, len) |
|
err := getcwd(b) |
|
if err == nil { |
|
i := 0 |
|
for b[i] != 0 { |
|
i++ |
|
} |
|
return string(b[0:i]), nil |
|
} |
|
if err != ERANGE { |
|
return "", err |
|
} |
|
} |
|
} |
|
|
|
func Getcwd(buf []byte) (n int, err error) { |
|
err = getcwd(buf) |
|
if err == nil { |
|
i := 0 |
|
for buf[i] != 0 { |
|
i++ |
|
} |
|
n = i + 1 |
|
} |
|
return |
|
} |
|
|
|
func Getgroups() (gids []int, err error) { |
|
n, err := getgroups(0, nil) |
|
if err != nil { |
|
return nil, err |
|
} |
|
if n == 0 { |
|
return nil, nil |
|
} |
|
|
|
// Sanity check group count. Max is 16 on BSD. |
|
if n < 0 || n > 1000 { |
|
return nil, EINVAL |
|
} |
|
|
|
a := make([]_Gid_t, n) |
|
n, err = getgroups(n, &a[0]) |
|
if err != nil { |
|
return nil, err |
|
} |
|
gids = make([]int, n) |
|
for i, v := range a[0:n] { |
|
gids[i] = int(v) |
|
} |
|
return |
|
} |
|
|
|
func Setgroups(gids []int) (err error) { |
|
if len(gids) == 0 { |
|
return setgroups(0, nil) |
|
} |
|
|
|
a := make([]_Gid_t, len(gids)) |
|
for i, v := range gids { |
|
a[i] = _Gid_t(v) |
|
} |
|
return setgroups(len(a), &a[0]) |
|
} |
|
|
|
/* |
|
* Socket |
|
*/ |
|
|
|
//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) |
|
|
|
func Accept(fd int) (nfd int, sa Sockaddr, err error) { |
|
var rsa RawSockaddrAny |
|
var len _Socklen = SizeofSockaddrAny |
|
nfd, err = accept(fd, &rsa, &len) |
|
if nfd == -1 { |
|
return |
|
} |
|
sa, err = anyToSockaddr(fd, &rsa) |
|
if err != nil { |
|
Close(nfd) |
|
nfd = 0 |
|
} |
|
return |
|
} |
|
|
|
func recvmsgRaw(fd int, iov []Iovec, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) { |
|
var msg Msghdr |
|
msg.Name = (*byte)(unsafe.Pointer(rsa)) |
|
msg.Namelen = uint32(SizeofSockaddrAny) |
|
var dummy byte |
|
if len(oob) > 0 { |
|
// receive at least one normal byte |
|
if emptyIovecs(iov) { |
|
var iova [1]Iovec |
|
iova[0].Base = &dummy |
|
iova[0].SetLen(1) |
|
iov = iova[:] |
|
} |
|
msg.Control = (*byte)(unsafe.Pointer(&oob[0])) |
|
msg.SetControllen(len(oob)) |
|
} |
|
if len(iov) > 0 { |
|
msg.Iov = &iov[0] |
|
msg.SetIovlen(len(iov)) |
|
} |
|
if n, err = recvmsg(fd, &msg, flags); n == -1 { |
|
return |
|
} |
|
oobn = int(msg.Controllen) |
|
recvflags = int(msg.Flags) |
|
return |
|
} |
|
|
|
func sendmsgN(fd int, iov []Iovec, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) { |
|
var msg Msghdr |
|
msg.Name = (*byte)(unsafe.Pointer(ptr)) |
|
msg.Namelen = uint32(salen) |
|
var dummy byte |
|
var empty bool |
|
if len(oob) > 0 { |
|
// send at least one normal byte |
|
empty = emptyIovecs(iov) |
|
if empty { |
|
var iova [1]Iovec |
|
iova[0].Base = &dummy |
|
iova[0].SetLen(1) |
|
iov = iova[:] |
|
} |
|
msg.Control = (*byte)(unsafe.Pointer(&oob[0])) |
|
msg.SetControllen(len(oob)) |
|
} |
|
if len(iov) > 0 { |
|
msg.Iov = &iov[0] |
|
msg.SetIovlen(len(iov)) |
|
} |
|
if n, err = sendmsg(fd, &msg, flags); err != nil { |
|
return 0, err |
|
} |
|
if len(oob) > 0 && empty { |
|
n = 0 |
|
} |
|
return n, nil |
|
} |
|
|
|
func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { |
|
switch rsa.Addr.Family { |
|
|
|
case AF_UNIX: |
|
pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) |
|
sa := new(SockaddrUnix) |
|
|
|
// Some versions of AIX have a bug in getsockname (see IV78655). |
|
// We can't rely on sa.Len being set correctly. |
|
n := SizeofSockaddrUnix - 3 // subtract leading Family, Len, terminating NUL. |
|
for i := 0; i < n; i++ { |
|
if pp.Path[i] == 0 { |
|
n = i |
|
break |
|
} |
|
} |
|
sa.Name = string(unsafe.Slice((*byte)(unsafe.Pointer(&pp.Path[0])), n)) |
|
return sa, nil |
|
|
|
case AF_INET: |
|
pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) |
|
sa := new(SockaddrInet4) |
|
p := (*[2]byte)(unsafe.Pointer(&pp.Port)) |
|
sa.Port = int(p[0])<<8 + int(p[1]) |
|
sa.Addr = pp.Addr |
|
return sa, nil |
|
|
|
case AF_INET6: |
|
pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) |
|
sa := new(SockaddrInet6) |
|
p := (*[2]byte)(unsafe.Pointer(&pp.Port)) |
|
sa.Port = int(p[0])<<8 + int(p[1]) |
|
sa.ZoneId = pp.Scope_id |
|
sa.Addr = pp.Addr |
|
return sa, nil |
|
} |
|
return nil, EAFNOSUPPORT |
|
} |
|
|
|
func Gettimeofday(tv *Timeval) (err error) { |
|
err = gettimeofday(tv, nil) |
|
return |
|
} |
|
|
|
func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { |
|
if raceenabled { |
|
raceReleaseMerge(unsafe.Pointer(&ioSync)) |
|
} |
|
return sendfile(outfd, infd, offset, count) |
|
} |
|
|
|
// TODO |
|
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { |
|
return -1, ENOSYS |
|
} |
|
|
|
func direntIno(buf []byte) (uint64, bool) { |
|
return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino)) |
|
} |
|
|
|
func direntReclen(buf []byte) (uint64, bool) { |
|
return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) |
|
} |
|
|
|
func direntNamlen(buf []byte) (uint64, bool) { |
|
reclen, ok := direntReclen(buf) |
|
if !ok { |
|
return 0, false |
|
} |
|
return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true |
|
} |
|
|
|
//sys getdirent(fd int, buf []byte) (n int, err error) |
|
|
|
func Getdents(fd int, buf []byte) (n int, err error) { |
|
return getdirent(fd, buf) |
|
} |
|
|
|
//sys wait4(pid Pid_t, status *_C_int, options int, rusage *Rusage) (wpid Pid_t, err error) |
|
|
|
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) { |
|
var status _C_int |
|
var r Pid_t |
|
err = ERESTART |
|
// AIX wait4 may return with ERESTART errno, while the processus is still |
|
// active. |
|
for err == ERESTART { |
|
r, err = wait4(Pid_t(pid), &status, options, rusage) |
|
} |
|
wpid = int(r) |
|
if wstatus != nil { |
|
*wstatus = WaitStatus(status) |
|
} |
|
return |
|
} |
|
|
|
/* |
|
* Wait |
|
*/ |
|
|
|
type WaitStatus uint32 |
|
|
|
func (w WaitStatus) Stopped() bool { return w&0x40 != 0 } |
|
func (w WaitStatus) StopSignal() Signal { |
|
if !w.Stopped() { |
|
return -1 |
|
} |
|
return Signal(w>>8) & 0xFF |
|
} |
|
|
|
func (w WaitStatus) Exited() bool { return w&0xFF == 0 } |
|
func (w WaitStatus) ExitStatus() int { |
|
if !w.Exited() { |
|
return -1 |
|
} |
|
return int((w >> 8) & 0xFF) |
|
} |
|
|
|
func (w WaitStatus) Signaled() bool { return w&0x40 == 0 && w&0xFF != 0 } |
|
func (w WaitStatus) Signal() Signal { |
|
if !w.Signaled() { |
|
return -1 |
|
} |
|
return Signal(w>>16) & 0xFF |
|
} |
|
|
|
func (w WaitStatus) Continued() bool { return w&0x01000000 != 0 } |
|
|
|
func (w WaitStatus) CoreDump() bool { return w&0x80 == 0x80 } |
|
|
|
func (w WaitStatus) TrapCause() int { return -1 } |
|
|
|
//sys ioctl(fd int, req int, arg uintptr) (err error) |
|
//sys ioctlPtr(fd int, req int, arg unsafe.Pointer) (err error) = ioctl |
|
|
|
// fcntl must never be called with cmd=F_DUP2FD because it doesn't work on AIX |
|
// There is no way to create a custom fcntl and to keep //sys fcntl easily, |
|
// Therefore, the programmer must call dup2 instead of fcntl in this case. |
|
|
|
// FcntlInt performs a fcntl syscall on fd with the provided command and argument. |
|
//sys FcntlInt(fd uintptr, cmd int, arg int) (r int,err error) = fcntl |
|
|
|
// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command. |
|
//sys FcntlFlock(fd uintptr, cmd int, lk *Flock_t) (err error) = fcntl |
|
|
|
//sys fcntl(fd int, cmd int, arg int) (val int, err error) |
|
|
|
//sys fsyncRange(fd int, how int, start int64, length int64) (err error) = fsync_range |
|
|
|
func Fsync(fd int) error { |
|
return fsyncRange(fd, O_SYNC, 0, 0) |
|
} |
|
|
|
/* |
|
* Direct access |
|
*/ |
|
|
|
//sys Acct(path string) (err error) |
|
//sys Chdir(path string) (err error) |
|
//sys Chroot(path string) (err error) |
|
//sys Close(fd int) (err error) |
|
//sys Dup(oldfd int) (fd int, err error) |
|
//sys Exit(code int) |
|
//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) |
|
//sys Fchdir(fd int) (err error) |
|
//sys Fchmod(fd int, mode uint32) (err error) |
|
//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) |
|
//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) |
|
//sys Fdatasync(fd int) (err error) |
|
// readdir_r |
|
//sysnb Getpgid(pid int) (pgid int, err error) |
|
|
|
//sys Getpgrp() (pid int) |
|
|
|
//sysnb Getpid() (pid int) |
|
//sysnb Getppid() (ppid int) |
|
//sys Getpriority(which int, who int) (prio int, err error) |
|
//sysnb Getrusage(who int, rusage *Rusage) (err error) |
|
//sysnb Getsid(pid int) (sid int, err error) |
|
//sysnb Kill(pid int, sig Signal) (err error) |
|
//sys Klogctl(typ int, buf []byte) (n int, err error) = syslog |
|
//sys Mkdir(dirfd int, path string, mode uint32) (err error) |
|
//sys Mkdirat(dirfd int, path string, mode uint32) (err error) |
|
//sys Mkfifo(path string, mode uint32) (err error) |
|
//sys Mknod(path string, mode uint32, dev int) (err error) |
|
//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) |
|
//sys Nanosleep(time *Timespec, leftover *Timespec) (err error) |
|
//sys Open(path string, mode int, perm uint32) (fd int, err error) = open64 |
|
//sys Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) |
|
//sys read(fd int, p []byte) (n int, err error) |
|
//sys Readlink(path string, buf []byte) (n int, err error) |
|
//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) |
|
//sys Setdomainname(p []byte) (err error) |
|
//sys Sethostname(p []byte) (err error) |
|
//sysnb Setpgid(pid int, pgid int) (err error) |
|
//sysnb Setsid() (pid int, err error) |
|
//sysnb Settimeofday(tv *Timeval) (err error) |
|
|
|
//sys Setuid(uid int) (err error) |
|
//sys Setgid(uid int) (err error) |
|
|
|
//sys Setpriority(which int, who int, prio int) (err error) |
|
//sys Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) |
|
//sys Sync() |
|
//sysnb Times(tms *Tms) (ticks uintptr, err error) |
|
//sysnb Umask(mask int) (oldmask int) |
|
//sysnb Uname(buf *Utsname) (err error) |
|
//sys Unlink(path string) (err error) |
|
//sys Unlinkat(dirfd int, path string, flags int) (err error) |
|
//sys Ustat(dev int, ubuf *Ustat_t) (err error) |
|
//sys write(fd int, p []byte) (n int, err error) |
|
|
|
//sys Dup2(oldfd int, newfd int) (err error) |
|
//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = posix_fadvise64 |
|
//sys Fchown(fd int, uid int, gid int) (err error) |
|
//sys fstat(fd int, stat *Stat_t) (err error) |
|
//sys fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = fstatat |
|
//sys Fstatfs(fd int, buf *Statfs_t) (err error) |
|
//sys Ftruncate(fd int, length int64) (err error) |
|
//sysnb Getegid() (egid int) |
|
//sysnb Geteuid() (euid int) |
|
//sysnb Getgid() (gid int) |
|
//sysnb Getuid() (uid int) |
|
//sys Lchown(path string, uid int, gid int) (err error) |
|
//sys Listen(s int, n int) (err error) |
|
//sys lstat(path string, stat *Stat_t) (err error) |
|
//sys Pause() (err error) |
|
//sys pread(fd int, p []byte, offset int64) (n int, err error) = pread64 |
|
//sys pwrite(fd int, p []byte, offset int64) (n int, err error) = pwrite64 |
|
//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) |
|
//sys Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) |
|
//sysnb Setregid(rgid int, egid int) (err error) |
|
//sysnb Setreuid(ruid int, euid int) (err error) |
|
//sys Shutdown(fd int, how int) (err error) |
|
//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) |
|
//sys stat(path string, statptr *Stat_t) (err error) |
|
//sys Statfs(path string, buf *Statfs_t) (err error) |
|
//sys Truncate(path string, length int64) (err error) |
|
|
|
//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
|
//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
|
//sysnb getgroups(n int, list *_Gid_t) (nn int, err error) |
|
//sysnb setgroups(n int, list *_Gid_t) (err error) |
|
//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) |
|
//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) |
|
//sysnb socket(domain int, typ int, proto int) (fd int, err error) |
|
//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) |
|
//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) |
|
//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) |
|
//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) |
|
//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) |
|
|
|
// In order to use msghdr structure with Control, Controllen, nrecvmsg and nsendmsg must be used. |
|
//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = nrecvmsg |
|
//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = nsendmsg |
|
|
|
//sys munmap(addr uintptr, length uintptr) (err error) |
|
//sys Madvise(b []byte, advice int) (err error) |
|
//sys Mprotect(b []byte, prot int) (err error) |
|
//sys Mlock(b []byte) (err error) |
|
//sys Mlockall(flags int) (err error) |
|
//sys Msync(b []byte, flags int) (err error) |
|
//sys Munlock(b []byte) (err error) |
|
//sys Munlockall() (err error) |
|
|
|
//sysnb pipe(p *[2]_C_int) (err error) |
|
|
|
func Pipe(p []int) (err error) { |
|
if len(p) != 2 { |
|
return EINVAL |
|
} |
|
var pp [2]_C_int |
|
err = pipe(&pp) |
|
if err == nil { |
|
p[0] = int(pp[0]) |
|
p[1] = int(pp[1]) |
|
} |
|
return |
|
} |
|
|
|
//sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) |
|
|
|
func Poll(fds []PollFd, timeout int) (n int, err error) { |
|
if len(fds) == 0 { |
|
return poll(nil, 0, timeout) |
|
} |
|
return poll(&fds[0], len(fds), timeout) |
|
} |
|
|
|
//sys gettimeofday(tv *Timeval, tzp *Timezone) (err error) |
|
//sysnb Time(t *Time_t) (tt Time_t, err error) |
|
//sys Utime(path string, buf *Utimbuf) (err error) |
|
|
|
//sys Getsystemcfg(label int) (n uint64) |
|
|
|
//sys umount(target string) (err error) |
|
|
|
func Unmount(target string, flags int) (err error) { |
|
if flags != 0 { |
|
// AIX doesn't have any flags for umount. |
|
return ENOSYS |
|
} |
|
return umount(target) |
|
}
|
|
|