diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_aix.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_aix.go | 557 |
1 files changed, 557 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_aix.go b/vendor/golang.org/x/sys/unix/syscall_aix.go new file mode 100644 index 000000000..c1fb7bd16 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/syscall_aix.go @@ -0,0 +1,557 @@ +// 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. + +// +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 + */ + +//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) + for i := 0; i < len(sa.Addr); i++ { + sa.raw.Addr[i] = sa.Addr[i] + } + 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 + for i := 0; i < len(sa.Addr); i++ { + sa.raw.Addr[i] = sa.Addr[i] + } + 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 + // 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 Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) { + // Recvmsg not implemented on AIX + sa := new(SockaddrUnix) + return -1, -1, -1, sa, ENOSYS +} + +func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { + _, err = SendmsgN(fd, p, oob, to, flags) + return +} + +func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) { + // SendmsgN not implemented on AIX + return -1, ENOSYS +} + +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 + } + } + + bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n] + sa.Name = string(bytes) + 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]) + for i := 0; i < len(sa.Addr); i++ { + sa.Addr[i] = pp.Addr[i] + } + 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 + for i := 0; i < len(sa.Addr); i++ { + sa.Addr[i] = pp.Addr[i] + } + 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 +} + +//sys getdirent(fd int, buf []byte) (n int, err error) +func ReadDirent(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&0x200 != 0 } + +func (w WaitStatus) TrapCause() int { return -1 } + +//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. + +// IoctlSetInt performs an ioctl operation which sets an integer value +// on fd, using the specified request number. +func IoctlSetInt(fd int, req uint, value int) error { + return ioctl(fd, req, uintptr(value)) +} + +func ioctlSetWinsize(fd int, req uint, value *Winsize) error { + return ioctl(fd, req, uintptr(unsafe.Pointer(value))) +} + +func ioctlSetTermios(fd int, req uint, value *Termios) error { + return ioctl(fd, req, uintptr(unsafe.Pointer(value))) +} + +// IoctlGetInt performs an ioctl operation which gets an integer value +// from fd, using the specified request number. +func IoctlGetInt(fd int, req uint) (int, error) { + var value int + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return value, err +} + +func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { + var value Winsize + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +func IoctlGetTermios(fd int, req uint) (*Termios, error) { + var value Termios + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +// 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) + +/* + * 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) +//sys Fsync(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 readlen(fd int, p *byte, np int) (n int, err error) = read +//sys writelen(fd int, p *byte, np int) (n int, err error) = write + +//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, stat *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) + +var mapper = &mmapper{ + active: make(map[*byte][]byte), + mmap: mmap, + munmap: munmap, +} + +func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { + return mapper.Mmap(fd, offset, length, prot, flags) +} + +func Munmap(b []byte) (err error) { + return mapper.Munmap(b) +} + +//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) + 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) +} |