305 lines
8 KiB
Go
305 lines
8 KiB
Go
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// Copyright 2009,2010 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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// OpenBSD system calls.
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// This file is compiled as ordinary Go code,
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// but it is also input to mksyscall,
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// which parses the //sys lines and generates system call stubs.
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// Note that sometimes we use a lowercase //sys name and wrap
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// it in our own nicer implementation, either here or in
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// syscall_bsd.go or syscall_unix.go.
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package unix
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import (
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"syscall"
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"unsafe"
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)
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type SockaddrDatalink struct {
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Len uint8
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Family uint8
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Index uint16
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Type uint8
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Nlen uint8
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Alen uint8
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Slen uint8
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Data [24]int8
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raw RawSockaddrDatalink
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}
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func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
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func nametomib(name string) (mib []_C_int, err error) {
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// Perform lookup via a binary search
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left := 0
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right := len(sysctlMib) - 1
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for {
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idx := left + (right-left)/2
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switch {
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case name == sysctlMib[idx].ctlname:
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return sysctlMib[idx].ctloid, nil
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case name > sysctlMib[idx].ctlname:
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left = idx + 1
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default:
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right = idx - 1
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}
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if left > right {
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break
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}
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}
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return nil, EINVAL
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}
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// ParseDirent parses up to max directory entries in buf,
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// appending the names to names. It returns the number
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// bytes consumed from buf, the number of entries added
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// to names, and the new names slice.
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func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
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origlen := len(buf)
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for max != 0 && len(buf) > 0 {
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dirent := (*Dirent)(unsafe.Pointer(&buf[0]))
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if dirent.Reclen == 0 {
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buf = nil
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break
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}
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buf = buf[dirent.Reclen:]
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if dirent.Fileno == 0 { // File absent in directory.
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continue
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}
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bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0]))
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var name = string(bytes[0:dirent.Namlen])
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if name == "." || name == ".." { // Useless names
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continue
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}
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max--
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count++
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names = append(names, name)
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}
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return origlen - len(buf), count, names
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}
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//sysnb pipe(p *[2]_C_int) (err error)
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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 = pipe(&pp)
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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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//sys getdents(fd int, buf []byte) (n int, err error)
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func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
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return getdents(fd, buf)
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}
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// TODO
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func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
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return -1, ENOSYS
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}
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func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
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var _p0 unsafe.Pointer
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var bufsize uintptr
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if len(buf) > 0 {
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_p0 = unsafe.Pointer(&buf[0])
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bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
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}
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r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
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use(unsafe.Pointer(_p0))
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n = int(r0)
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if e1 != 0 {
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err = e1
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}
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return
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}
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/*
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* Exposed directly
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*/
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//sys Access(path string, mode uint32) (err error)
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//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
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//sys Chdir(path string) (err error)
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//sys Chflags(path string, flags int) (err error)
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//sys Chmod(path string, mode uint32) (err error)
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//sys Chown(path string, uid int, gid int) (err error)
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//sys Chroot(path string) (err error)
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//sys Close(fd int) (err error)
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//sys Dup(fd int) (nfd int, err error)
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//sys Dup2(from int, to int) (err error)
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//sys Exit(code int)
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//sys Fchdir(fd int) (err error)
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//sys Fchflags(fd int, flags int) (err error)
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//sys Fchmod(fd int, mode uint32) (err error)
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//sys Fchown(fd int, uid int, gid int) (err error)
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//sys Flock(fd int, how int) (err error)
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//sys Fpathconf(fd int, name int) (val int, err error)
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//sys Fstat(fd int, stat *Stat_t) (err error)
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//sys Fstatfs(fd int, stat *Statfs_t) (err error)
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//sys Fsync(fd int) (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() (uid int)
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//sysnb Getgid() (gid int)
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//sysnb Getpgid(pid int) (pgid int, err error)
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//sysnb Getpgrp() (pgrp int)
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//sysnb Getpid() (pid int)
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//sysnb Getppid() (ppid int)
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//sys Getpriority(which int, who int) (prio int, err error)
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//sysnb Getrlimit(which int, lim *Rlimit) (err error)
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//sysnb Getrusage(who int, rusage *Rusage) (err error)
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//sysnb Getsid(pid int) (sid int, err error)
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//sysnb Gettimeofday(tv *Timeval) (err error)
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//sysnb Getuid() (uid int)
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//sys Issetugid() (tainted bool)
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//sys Kill(pid int, signum syscall.Signal) (err error)
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//sys Kqueue() (fd int, err error)
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//sys Lchown(path string, uid int, gid int) (err error)
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//sys Link(path string, link string) (err error)
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//sys Listen(s int, backlog int) (err error)
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//sys Lstat(path string, stat *Stat_t) (err error)
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//sys Mkdir(path string, mode uint32) (err error)
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//sys Mkfifo(path string, mode uint32) (err error)
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//sys Mknod(path string, mode uint32, dev int) (err error)
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//sys Mlock(b []byte) (err error)
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//sys Mlockall(flags int) (err error)
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//sys Mprotect(b []byte, prot int) (err error)
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//sys Munlock(b []byte) (err error)
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//sys Munlockall() (err error)
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//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
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//sys Open(path string, mode int, perm uint32) (fd int, err error)
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//sys Pathconf(path string, name int) (val int, err error)
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//sys Pread(fd int, p []byte, offset int64) (n int, err error)
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//sys Pwrite(fd int, p []byte, offset int64) (n int, err error)
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//sys read(fd int, p []byte) (n int, err error)
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//sys Readlink(path string, buf []byte) (n int, err error)
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//sys Rename(from string, to string) (err error)
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//sys Revoke(path string) (err error)
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//sys Rmdir(path string) (err error)
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//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
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//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
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//sysnb Setegid(egid int) (err error)
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//sysnb Seteuid(euid int) (err error)
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//sysnb Setgid(gid int) (err error)
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//sys Setlogin(name string) (err error)
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//sysnb Setpgid(pid int, pgid int) (err error)
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//sys Setpriority(which int, who int, prio int) (err error)
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//sysnb Setregid(rgid int, egid int) (err error)
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//sysnb Setreuid(ruid int, euid 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(which int, lim *Rlimit) (err error)
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//sysnb Setsid() (pid int, err error)
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//sysnb Settimeofday(tp *Timeval) (err error)
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//sysnb Setuid(uid int) (err error)
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//sys Stat(path string, stat *Stat_t) (err error)
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//sys Statfs(path string, stat *Statfs_t) (err error)
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//sys Symlink(path string, link string) (err error)
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//sys Sync() (err error)
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//sys Truncate(path string, length int64) (err error)
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//sys Umask(newmask int) (oldmask int)
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//sys Unlink(path string) (err error)
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//sys Unmount(path string, flags int) (err error)
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//sys write(fd int, p []byte) (n int, err error)
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//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
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//sys munmap(addr uintptr, length uintptr) (err error)
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//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
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//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
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/*
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* Unimplemented
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*/
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// __getcwd
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// __semctl
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// __syscall
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// __sysctl
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// adjfreq
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// break
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// clock_getres
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// clock_gettime
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// clock_settime
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// closefrom
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// execve
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// faccessat
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// fchmodat
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// fchownat
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// fcntl
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// fhopen
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// fhstat
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// fhstatfs
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// fork
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// fstatat
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// futimens
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// getfh
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// getgid
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// getitimer
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// getlogin
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// getresgid
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// getresuid
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// getrtable
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// getthrid
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// ioctl
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// ktrace
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// lfs_bmapv
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// lfs_markv
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// lfs_segclean
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// lfs_segwait
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// linkat
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// mincore
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// minherit
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// mkdirat
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// mkfifoat
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// mknodat
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// mount
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// mquery
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// msgctl
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// msgget
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// msgrcv
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// msgsnd
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// nfssvc
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// nnpfspioctl
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// openat
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// poll
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// preadv
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// profil
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// pwritev
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// quotactl
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// readlinkat
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// readv
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// reboot
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// renameat
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// rfork
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// sched_yield
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// semget
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// semop
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// setgroups
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// setitimer
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// setrtable
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// setsockopt
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// shmat
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// shmctl
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// shmdt
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// shmget
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// sigaction
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// sigaltstack
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// sigpending
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// sigprocmask
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// sigreturn
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// sigsuspend
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// symlinkat
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// sysarch
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// syscall
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// threxit
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// thrsigdivert
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// thrsleep
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// thrwakeup
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// unlinkat
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// utimensat
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// vfork
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// writev
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