// 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 } //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 } // 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 } 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 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 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 Mkfifo(path string, mode uint32) (err error) //sys Mknod(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 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 Rename(from string, 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 Sync() (err error) //sys Truncate(path string, length int64) (err error) //sys Umask(newmask int) (oldmask int) //sys Unlink(path string) (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 // faccessat // fchmodat // fchownat // fcntl // fhopen // fhstat // fhstatfs // fork // fstatat // futimens // getfh // getgid // getitimer // getlogin // getresgid // getresuid // getthrid // ktrace // lfs_bmapv // lfs_markv // lfs_segclean // lfs_segwait // linkat // mincore // minherit // mkdirat // mkfifoat // mknodat // mount // mquery // msgctl // msgget // msgrcv // msgsnd // nfssvc // nnpfspioctl // openat // preadv // profil // pwritev // quotactl // readlinkat // readv // reboot // renameat // rfork // sched_yield // semget // semop // setgroups // setitimer // setsockopt // shmat // shmctl // shmdt // shmget // sigaction // sigaltstack // sigpending // sigprocmask // sigreturn // sigsuspend // symlinkat // sysarch // syscall // threxit // thrsigdivert // thrsleep // thrwakeup // unlinkat // vfork // writev