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[govpp.git] / vendor / golang.org / x / sys / unix / syscall_netbsd.go

// 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.

// NetBSD 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 (
        "syscall"
        "unsafe"
)

type SockaddrDatalink struct {
        Len    uint8
        Family uint8
        Index  uint16
        Type   uint8
        Nlen   uint8
        Alen   uint8
        Slen   uint8
        Data   [12]int8
        raw    RawSockaddrDatalink
}

func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)

func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) {
        var olen uintptr

        // Get a list of all sysctl nodes below the given MIB by performing
        // a sysctl for the given MIB with CTL_QUERY appended.
        mib = append(mib, CTL_QUERY)
        qnode := Sysctlnode{Flags: SYSCTL_VERS_1}
        qp := (*byte)(unsafe.Pointer(&qnode))
        sz := unsafe.Sizeof(qnode)
        if err = sysctl(mib, nil, &olen, qp, sz); err != nil {
                return nil, err
        }

        // Now that we know the size, get the actual nodes.
        nodes = make([]Sysctlnode, olen/sz)
        np := (*byte)(unsafe.Pointer(&nodes[0]))
        if err = sysctl(mib, np, &olen, qp, sz); err != nil {
                return nil, err
        }

        return nodes, nil
}

func nametomib(name string) (mib []_C_int, err error) {

        // Split name into components.
        var parts []string
        last := 0
        for i := 0; i < len(name); i++ {
                if name[i] == '.' {
                        parts = append(parts, name[last:i])
                        last = i + 1
                }
        }
        parts = append(parts, name[last:])

        // Discover the nodes and construct the MIB OID.
        for partno, part := range parts {
                nodes, err := sysctlNodes(mib)
                if err != nil {
                        return nil, err
                }
                for _, node := range nodes {
                        n := make([]byte, 0)
                        for i := range node.Name {
                                if node.Name[i] != 0 {
                                        n = append(n, byte(node.Name[i]))
                                }
                        }
                        if string(n) == part {
                                mib = append(mib, _C_int(node.Num))
                                break
                        }
                }
                if len(mib) != partno+1 {
                        return nil, EINVAL
                }
        }

        return mib, nil
}

// ParseDirent parses up to max directory entries in buf,
// appending the names to names. It returns the number
// bytes consumed from buf, the number of entries added
// to names, and the new names slice.
func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
        origlen := len(buf)
        for max != 0 && len(buf) > 0 {
                dirent := (*Dirent)(unsafe.Pointer(&buf[0]))
                if dirent.Reclen == 0 {
                        buf = nil
                        break
                }
                buf = buf[dirent.Reclen:]
                if dirent.Fileno == 0 { // File absent in directory.
                        continue
                }
                bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0]))
                var name = string(bytes[0:dirent.Namlen])
                if name == "." || name == ".." { // Useless names
                        continue
                }
                max--
                count++
                names = append(names, name)
        }
        return origlen - len(buf), count, names
}

//sysnb pipe() (fd1 int, fd2 int, err error)
func Pipe(p []int) (err error) {
        if len(p) != 2 {
                return EINVAL
        }
        p[0], p[1], err = pipe()
        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)
}

// TODO
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
        return -1, ENOSYS
}

/*
 * 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   Fchdir(fd int) (err error)
//sys   Fchflags(fd int, flags int) (err error)
//sys   Fchmod(fd int, mode uint32) (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   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 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   Mlock(b []byte) (err error)
//sys   Mlockall(flags int) (err error)
//sys   Mprotect(b []byte, prot int) (err error)
//sys   Munlock(b []byte) (err error)
//sys   Munlockall() (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)
//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 Setrlimit(which int, lim *Rlimit) (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   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

/*
 * Unimplemented
 */
// ____semctl13
// __clone
// __fhopen40
// __fhstat40
// __fhstatvfs140
// __fstat30
// __getcwd
// __getfh30
// __getlogin
// __lstat30
// __mount50
// __msgctl13
// __msync13
// __ntp_gettime30
// __posix_chown
// __posix_fadvise50
// __posix_fchown
// __posix_lchown
// __posix_rename
// __setlogin
// __shmctl13
// __sigaction_sigtramp
// __sigaltstack14
// __sigpending14
// __sigprocmask14
// __sigsuspend14
// __sigtimedwait
// __stat30
// __syscall
// __vfork14
// _ksem_close
// _ksem_destroy
// _ksem_getvalue
// _ksem_init
// _ksem_open
// _ksem_post
// _ksem_trywait
// _ksem_unlink
// _ksem_wait
// _lwp_continue
// _lwp_create
// _lwp_ctl
// _lwp_detach
// _lwp_exit
// _lwp_getname
// _lwp_getprivate
// _lwp_kill
// _lwp_park
// _lwp_self
// _lwp_setname
// _lwp_setprivate
// _lwp_suspend
// _lwp_unpark
// _lwp_unpark_all
// _lwp_wait
// _lwp_wakeup
// _pset_bind
// _sched_getaffinity
// _sched_getparam
// _sched_setaffinity
// _sched_setparam
// acct
// aio_cancel
// aio_error
// aio_fsync
// aio_read
// aio_return
// aio_suspend
// aio_write
// break
// clock_getres
// clock_gettime
// clock_settime
// compat_09_ogetdomainname
// compat_09_osetdomainname
// compat_09_ouname
// compat_10_omsgsys
// compat_10_osemsys
// compat_10_oshmsys
// compat_12_fstat12
// compat_12_getdirentries
// compat_12_lstat12
// compat_12_msync
// compat_12_oreboot
// compat_12_oswapon
// compat_12_stat12
// compat_13_sigaction13
// compat_13_sigaltstack13
// compat_13_sigpending13
// compat_13_sigprocmask13
// compat_13_sigreturn13
// compat_13_sigsuspend13
// compat_14___semctl
// compat_14_msgctl
// compat_14_shmctl
// compat_16___sigaction14
// compat_16___sigreturn14
// compat_20_fhstatfs
// compat_20_fstatfs
// compat_20_getfsstat
// compat_20_statfs
// compat_30___fhstat30
// compat_30___fstat13
// compat_30___lstat13
// compat_30___stat13
// compat_30_fhopen
// compat_30_fhstat
// compat_30_fhstatvfs1
// compat_30_getdents
// compat_30_getfh
// compat_30_ntp_gettime
// compat_30_socket
// compat_40_mount
// compat_43_fstat43
// compat_43_lstat43
// compat_43_oaccept
// compat_43_ocreat
// compat_43_oftruncate
// compat_43_ogetdirentries
// compat_43_ogetdtablesize
// compat_43_ogethostid
// compat_43_ogethostname
// compat_43_ogetkerninfo
// compat_43_ogetpagesize
// compat_43_ogetpeername
// compat_43_ogetrlimit
// compat_43_ogetsockname
// compat_43_okillpg
// compat_43_olseek
// compat_43_ommap
// compat_43_oquota
// compat_43_orecv
// compat_43_orecvfrom
// compat_43_orecvmsg
// compat_43_osend
// compat_43_osendmsg
// compat_43_osethostid
// compat_43_osethostname
// compat_43_osetrlimit
// compat_43_osigblock
// compat_43_osigsetmask
// compat_43_osigstack
// compat_43_osigvec
// compat_43_otruncate
// compat_43_owait
// compat_43_stat43
// execve
// extattr_delete_fd
// extattr_delete_file
// extattr_delete_link
// extattr_get_fd
// extattr_get_file
// extattr_get_link
// extattr_list_fd
// extattr_list_file
// extattr_list_link
// extattr_set_fd
// extattr_set_file
// extattr_set_link
// extattrctl
// fchroot
// fdatasync
// fgetxattr
// fktrace
// flistxattr
// fork
// fremovexattr
// fsetxattr
// fstatvfs1
// fsync_range
// getcontext
// getitimer
// getvfsstat
// getxattr
// ioctl
// ktrace
// lchflags
// lchmod
// lfs_bmapv
// lfs_markv
// lfs_segclean
// lfs_segwait
// lgetxattr
// lio_listio
// listxattr
// llistxattr
// lremovexattr
// lseek
// lsetxattr
// lutimes
// madvise
// mincore
// minherit
// modctl
// mq_close
// mq_getattr
// mq_notify
// mq_open
// mq_receive
// mq_send
// mq_setattr
// mq_timedreceive
// mq_timedsend
// mq_unlink
// mremap
// msgget
// msgrcv
// msgsnd
// nfssvc
// ntp_adjtime
// pmc_control
// pmc_get_info
// poll
// pollts
// preadv
// profil
// pselect
// pset_assign
// pset_create
// pset_destroy
// ptrace
// pwritev
// quotactl
// rasctl
// readv
// reboot
// removexattr
// sa_enable
// sa_preempt
// sa_register
// sa_setconcurrency
// sa_stacks
// sa_yield
// sbrk
// sched_yield
// semconfig
// semget
// semop
// setcontext
// setitimer
// setxattr
// shmat
// shmdt
// shmget
// sstk
// statvfs1
// swapctl
// sysarch
// syscall
// timer_create
// timer_delete
// timer_getoverrun
// timer_gettime
// timer_settime
// undelete
// utrace
// uuidgen
// vadvise
// vfork
// writev