| // Copyright 2009,2010 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. |
| |
| // OpenBSD 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, either here or in |
| // syscall_bsd.go or syscall_unix.go. |
| |
| package unix |
| |
| import ( |
| "sort" |
| "syscall" |
| "unsafe" |
| ) |
| |
| // SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets. |
| type SockaddrDatalink struct { |
| Len uint8 |
| Family uint8 |
| Index uint16 |
| Type uint8 |
| Nlen uint8 |
| Alen uint8 |
| Slen uint8 |
| Data [24]int8 |
| raw RawSockaddrDatalink |
| } |
| |
| func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) |
| |
| func nametomib(name string) (mib []_C_int, err error) { |
| i := sort.Search(len(sysctlMib), func(i int) bool { |
| return sysctlMib[i].ctlname >= name |
| }) |
| if i < len(sysctlMib) && sysctlMib[i].ctlname == name { |
| return sysctlMib[i].ctloid, nil |
| } |
| return nil, EINVAL |
| } |
| |
| func SysctlClockinfo(name string) (*Clockinfo, error) { |
| mib, err := sysctlmib(name) |
| if err != nil { |
| return nil, err |
| } |
| |
| n := uintptr(SizeofClockinfo) |
| var ci Clockinfo |
| if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil { |
| return nil, err |
| } |
| if n != SizeofClockinfo { |
| return nil, EIO |
| } |
| return &ci, nil |
| } |
| |
| func SysctlUvmexp(name string) (*Uvmexp, error) { |
| mib, err := sysctlmib(name) |
| if err != nil { |
| return nil, err |
| } |
| |
| n := uintptr(SizeofUvmexp) |
| var u Uvmexp |
| if err := sysctl(mib, (*byte)(unsafe.Pointer(&u)), &n, nil, 0); err != nil { |
| return nil, err |
| } |
| if n != SizeofUvmexp { |
| return nil, EIO |
| } |
| return &u, nil |
| } |
| |
| //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 getdents(fd int, buf []byte) (n int, err error) |
| func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { |
| return getdents(fd, buf) |
| } |
| |
| const ImplementsGetwd = true |
| |
| //sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD |
| |
| func Getwd() (string, error) { |
| var buf [PathMax]byte |
| _, err := Getcwd(buf[0:]) |
| if err != nil { |
| return "", err |
| } |
| n := clen(buf[:]) |
| if n < 1 { |
| return "", EINVAL |
| } |
| return string(buf[:n]), nil |
| } |
| |
| 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 Getfsstat(buf []Statfs_t, flags int) (n int, err error) { |
| var _p0 unsafe.Pointer |
| var bufsize uintptr |
| if len(buf) > 0 { |
| _p0 = unsafe.Pointer(&buf[0]) |
| bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) |
| } |
| r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags)) |
| n = int(r0) |
| if e1 != 0 { |
| err = e1 |
| } |
| return |
| } |
| |
| func setattrlistTimes(path string, times []Timespec, flags int) error { |
| // used on Darwin for UtimesNano |
| return ENOSYS |
| } |
| |
| //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 |
| } |
| |
| //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) { |
| if len(fds) == 0 { |
| return ppoll(nil, 0, timeout, sigmask) |
| } |
| return ppoll(&fds[0], len(fds), timeout, sigmask) |
| } |
| |
| func Uname(uname *Utsname) error { |
| mib := []_C_int{CTL_KERN, KERN_OSTYPE} |
| n := unsafe.Sizeof(uname.Sysname) |
| if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { |
| return err |
| } |
| |
| mib = []_C_int{CTL_KERN, KERN_HOSTNAME} |
| n = unsafe.Sizeof(uname.Nodename) |
| if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { |
| return err |
| } |
| |
| mib = []_C_int{CTL_KERN, KERN_OSRELEASE} |
| n = unsafe.Sizeof(uname.Release) |
| if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { |
| return err |
| } |
| |
| mib = []_C_int{CTL_KERN, KERN_VERSION} |
| n = unsafe.Sizeof(uname.Version) |
| if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { |
| return err |
| } |
| |
| // The version might have newlines or tabs in it, convert them to |
| // spaces. |
| for i, b := range uname.Version { |
| if b == '\n' || b == '\t' { |
| if i == len(uname.Version)-1 { |
| uname.Version[i] = 0 |
| } else { |
| uname.Version[i] = ' ' |
| } |
| } |
| } |
| |
| mib = []_C_int{CTL_HW, HW_MACHINE} |
| n = unsafe.Sizeof(uname.Machine) |
| if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { |
| return err |
| } |
| |
| return nil |
| } |
| |
| /* |
| * Exposed directly |
| */ |
| //sys Access(path string, mode uint32) (err error) |
| //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) |
| //sys Chdir(path string) (err error) |
| //sys Chflags(path string, flags int) (err error) |
| //sys Chmod(path string, mode uint32) (err error) |
| //sys Chown(path string, uid int, gid int) (err error) |
| //sys Chroot(path string) (err error) |
| //sys Close(fd int) (err error) |
| //sys Dup(fd int) (nfd int, err error) |
| //sys Dup2(from int, to 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 Fchflags(fd int, flags int) (err error) |
| //sys Fchmod(fd int, mode uint32) (err error) |
| //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) |
| //sys Fchown(fd int, uid int, gid int) (err error) |
| //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) |
| //sys Flock(fd int, how int) (err error) |
| //sys Fpathconf(fd int, name int) (val int, err error) |
| //sys Fstat(fd int, stat *Stat_t) (err error) |
| //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) |
| //sys Fstatfs(fd int, stat *Statfs_t) (err error) |
| //sys Fsync(fd int) (err error) |
| //sys Ftruncate(fd int, length int64) (err error) |
| //sysnb Getegid() (egid int) |
| //sysnb Geteuid() (uid int) |
| //sysnb Getgid() (gid int) |
| //sysnb Getpgid(pid int) (pgid int, err error) |
| //sysnb Getpgrp() (pgrp int) |
| //sysnb Getpid() (pid int) |
| //sysnb Getppid() (ppid int) |
| //sys Getpriority(which int, who int) (prio int, err error) |
| //sysnb Getrlimit(which int, lim *Rlimit) (err error) |
| //sysnb Getrtable() (rtable int, err error) |
| //sysnb Getrusage(who int, rusage *Rusage) (err error) |
| //sysnb Getsid(pid int) (sid int, err error) |
| //sysnb Gettimeofday(tv *Timeval) (err error) |
| //sysnb Getuid() (uid int) |
| //sys Issetugid() (tainted bool) |
| //sys Kill(pid int, signum syscall.Signal) (err error) |
| //sys Kqueue() (fd int, err error) |
| //sys Lchown(path string, uid int, gid int) (err error) |
| //sys Link(path string, link string) (err error) |
| //sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) |
| //sys Listen(s int, backlog int) (err error) |
| //sys Lstat(path string, stat *Stat_t) (err error) |
| //sys Mkdir(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 Mkfifoat(dirfd int, 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) |
| //sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) |
| //sys Pathconf(path string, name int) (val int, err error) |
| //sys Pread(fd int, p []byte, offset int64) (n int, err error) |
| //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) |
| //sys read(fd int, p []byte) (n int, err error) |
| //sys Readlink(path string, buf []byte) (n int, err error) |
| //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) |
| //sys Rename(from string, to string) (err error) |
| //sys Renameat(fromfd int, from string, tofd int, to string) (err error) |
| //sys Revoke(path string) (err error) |
| //sys Rmdir(path string) (err error) |
| //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK |
| //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) |
| //sysnb Setegid(egid int) (err error) |
| //sysnb Seteuid(euid int) (err error) |
| //sysnb Setgid(gid int) (err error) |
| //sys Setlogin(name string) (err error) |
| //sysnb Setpgid(pid int, pgid int) (err error) |
| //sys Setpriority(which int, who int, prio int) (err error) |
| //sysnb Setregid(rgid int, egid int) (err error) |
| //sysnb Setreuid(ruid int, euid int) (err error) |
| //sysnb Setresgid(rgid int, egid int, sgid int) (err error) |
| //sysnb Setresuid(ruid int, euid int, suid int) (err error) |
| //sysnb Setrlimit(which int, lim *Rlimit) (err error) |
| //sysnb Setrtable(rtable int) (err error) |
| //sysnb Setsid() (pid int, err error) |
| //sysnb Settimeofday(tp *Timeval) (err error) |
| //sysnb Setuid(uid int) (err error) |
| //sys Stat(path string, stat *Stat_t) (err error) |
| //sys Statfs(path string, stat *Statfs_t) (err error) |
| //sys Symlink(path string, link string) (err error) |
| //sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) |
| //sys Sync() (err error) |
| //sys Truncate(path string, length int64) (err error) |
| //sys Umask(newmask int) (oldmask int) |
| //sys Unlink(path string) (err error) |
| //sys Unlinkat(dirfd int, path string, flags int) (err error) |
| //sys Unmount(path string, flags int) (err error) |
| //sys write(fd int, p []byte) (n int, err error) |
| //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) |
| //sys munmap(addr uintptr, length uintptr) (err error) |
| //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ |
| //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE |
| //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) |
| |
| /* |
| * Unimplemented |
| */ |
| // __getcwd |
| // __semctl |
| // __syscall |
| // __sysctl |
| // adjfreq |
| // break |
| // clock_getres |
| // clock_gettime |
| // clock_settime |
| // closefrom |
| // execve |
| // fcntl |
| // fhopen |
| // fhstat |
| // fhstatfs |
| // fork |
| // futimens |
| // getfh |
| // getgid |
| // getitimer |
| // getlogin |
| // getresgid |
| // getresuid |
| // getthrid |
| // ktrace |
| // lfs_bmapv |
| // lfs_markv |
| // lfs_segclean |
| // lfs_segwait |
| // mincore |
| // minherit |
| // mount |
| // mquery |
| // msgctl |
| // msgget |
| // msgrcv |
| // msgsnd |
| // nfssvc |
| // nnpfspioctl |
| // preadv |
| // profil |
| // pwritev |
| // quotactl |
| // readv |
| // reboot |
| // renameat |
| // rfork |
| // sched_yield |
| // semget |
| // semop |
| // setgroups |
| // setitimer |
| // setsockopt |
| // shmat |
| // shmctl |
| // shmdt |
| // shmget |
| // sigaction |
| // sigaltstack |
| // sigpending |
| // sigprocmask |
| // sigreturn |
| // sigsuspend |
| // sysarch |
| // syscall |
| // threxit |
| // thrsigdivert |
| // thrsleep |
| // thrwakeup |
| // vfork |
| // writev |