// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build arm64,linux
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package unix
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import "unsafe"
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func EpollCreate(size int) (fd int, err error) {
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if size <= 0 {
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return -1, EINVAL
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}
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return EpollCreate1(0)
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}
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//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT
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//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
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//sys Fchown(fd int, uid int, gid int) (err error)
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//sys Fstat(fd int, stat *Stat_t) (err error)
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//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
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//sys Fstatfs(fd int, buf *Statfs_t) (err error)
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//sys Ftruncate(fd int, length int64) (err error)
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//sysnb Getegid() (egid int)
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//sysnb Geteuid() (euid int)
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//sysnb Getgid() (gid int)
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//sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
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//sysnb Getuid() (uid int)
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//sys Listen(s int, n int) (err error)
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//sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
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//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
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//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
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//sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
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func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
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var ts *Timespec
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if timeout != nil {
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ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
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}
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return Pselect(nfd, r, w, e, ts, nil)
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}
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//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
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//sys Setfsgid(gid int) (err error)
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//sys Setfsuid(uid int) (err error)
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//sysnb Setregid(rgid int, egid int) (err error)
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//sysnb Setresgid(rgid int, egid int, sgid int) (err error)
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//sysnb Setresuid(ruid int, euid int, suid int) (err error)
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//sysnb Setrlimit(resource int, rlim *Rlimit) (err error)
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//sysnb Setreuid(ruid int, euid int) (err error)
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//sys Shutdown(fd int, how int) (err error)
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//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
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func Stat(path string, stat *Stat_t) (err error) {
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return Fstatat(AT_FDCWD, path, stat, 0)
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}
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func Lchown(path string, uid int, gid int) (err error) {
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return Fchownat(AT_FDCWD, path, uid, gid, AT_SYMLINK_NOFOLLOW)
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}
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func Lstat(path string, stat *Stat_t) (err error) {
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return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW)
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}
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//sys Statfs(path string, buf *Statfs_t) (err error)
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//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
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//sys Truncate(path string, length int64) (err error)
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func Ustat(dev int, ubuf *Ustat_t) (err error) {
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return ENOSYS
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}
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//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
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//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
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//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
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//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
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//sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
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//sysnb setgroups(n int, list *_Gid_t) (err error)
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//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
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//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
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//sysnb socket(domain int, typ int, proto int) (fd int, err error)
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//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
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//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
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//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
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//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
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//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
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//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
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//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
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//sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
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//sysnb Gettimeofday(tv *Timeval) (err error)
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func setTimespec(sec, nsec int64) Timespec {
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return Timespec{Sec: sec, Nsec: nsec}
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}
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func setTimeval(sec, usec int64) Timeval {
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return Timeval{Sec: sec, Usec: usec}
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}
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func futimesat(dirfd int, path string, tv *[2]Timeval) (err error) {
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if tv == nil {
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return utimensat(dirfd, path, nil, 0)
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}
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ts := []Timespec{
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NsecToTimespec(TimevalToNsec(tv[0])),
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NsecToTimespec(TimevalToNsec(tv[1])),
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}
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return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
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}
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func Time(t *Time_t) (Time_t, error) {
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var tv Timeval
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err := Gettimeofday(&tv)
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if err != nil {
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return 0, err
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}
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if t != nil {
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*t = Time_t(tv.Sec)
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}
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return Time_t(tv.Sec), nil
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}
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func Utime(path string, buf *Utimbuf) error {
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tv := []Timeval{
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{Sec: buf.Actime},
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{Sec: buf.Modtime},
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}
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return Utimes(path, tv)
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}
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func utimes(path string, tv *[2]Timeval) (err error) {
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if tv == nil {
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return utimensat(AT_FDCWD, path, nil, 0)
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}
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ts := []Timespec{
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NsecToTimespec(TimevalToNsec(tv[0])),
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NsecToTimespec(TimevalToNsec(tv[1])),
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}
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return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
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}
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func Pipe(p []int) (err error) {
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if len(p) != 2 {
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return EINVAL
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}
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var pp [2]_C_int
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err = pipe2(&pp, 0)
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p[0] = int(pp[0])
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p[1] = int(pp[1])
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return
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}
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//sysnb pipe2(p *[2]_C_int, flags int) (err error)
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func Pipe2(p []int, flags int) (err error) {
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if len(p) != 2 {
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return EINVAL
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}
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var pp [2]_C_int
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err = pipe2(&pp, flags)
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p[0] = int(pp[0])
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p[1] = int(pp[1])
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return
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}
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func (r *PtraceRegs) PC() uint64 { return r.Pc }
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func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc }
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func (iov *Iovec) SetLen(length int) {
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iov.Len = uint64(length)
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}
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func (msghdr *Msghdr) SetControllen(length int) {
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msghdr.Controllen = uint64(length)
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}
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func (msghdr *Msghdr) SetIovlen(length int) {
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msghdr.Iovlen = uint64(length)
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}
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func (cmsg *Cmsghdr) SetLen(length int) {
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cmsg.Len = uint64(length)
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}
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func InotifyInit() (fd int, err error) {
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return InotifyInit1(0)
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}
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func Dup2(oldfd int, newfd int) (err error) {
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return Dup3(oldfd, newfd, 0)
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}
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func Pause() error {
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_, err := ppoll(nil, 0, nil, nil)
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return err
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}
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func Poll(fds []PollFd, timeout int) (n int, err error) {
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var ts *Timespec
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if timeout >= 0 {
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ts = new(Timespec)
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*ts = NsecToTimespec(int64(timeout) * 1e6)
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}
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if len(fds) == 0 {
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return ppoll(nil, 0, ts, nil)
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}
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return ppoll(&fds[0], len(fds), ts, nil)
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}
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//sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
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func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
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cmdlineLen := len(cmdline)
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if cmdlineLen > 0 {
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// Account for the additional NULL byte added by
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// BytePtrFromString in kexecFileLoad. The kexec_file_load
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// syscall expects a NULL-terminated string.
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cmdlineLen++
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}
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return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
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}
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