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492 lines
12 KiB
492 lines
12 KiB
// 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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// NetBSD 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 [12]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 sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) { |
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var olen uintptr |
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// Get a list of all sysctl nodes below the given MIB by performing |
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// a sysctl for the given MIB with CTL_QUERY appended. |
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mib = append(mib, CTL_QUERY) |
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qnode := Sysctlnode{Flags: SYSCTL_VERS_1} |
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qp := (*byte)(unsafe.Pointer(&qnode)) |
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sz := unsafe.Sizeof(qnode) |
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if err = sysctl(mib, nil, &olen, qp, sz); err != nil { |
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return nil, err |
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} |
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// Now that we know the size, get the actual nodes. |
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nodes = make([]Sysctlnode, olen/sz) |
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np := (*byte)(unsafe.Pointer(&nodes[0])) |
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if err = sysctl(mib, np, &olen, qp, sz); err != nil { |
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return nil, err |
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} |
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return nodes, nil |
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} |
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func nametomib(name string) (mib []_C_int, err error) { |
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// Split name into components. |
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var parts []string |
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last := 0 |
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for i := 0; i < len(name); i++ { |
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if name[i] == '.' { |
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parts = append(parts, name[last:i]) |
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last = i + 1 |
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} |
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} |
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parts = append(parts, name[last:]) |
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// Discover the nodes and construct the MIB OID. |
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for partno, part := range parts { |
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nodes, err := sysctlNodes(mib) |
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if err != nil { |
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return nil, err |
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} |
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for _, node := range nodes { |
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n := make([]byte, 0) |
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for i := range node.Name { |
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if node.Name[i] != 0 { |
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n = append(n, byte(node.Name[i])) |
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} |
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} |
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if string(n) == part { |
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mib = append(mib, _C_int(node.Num)) |
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break |
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} |
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} |
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if len(mib) != partno+1 { |
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return nil, EINVAL |
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} |
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} |
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return mib, nil |
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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() (fd1 int, fd2 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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p[0], p[1], err = pipe() |
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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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/* |
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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 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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//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 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 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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// ____semctl13 |
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// __clone |
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// __fhopen40 |
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// __fhstat40 |
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// __fhstatvfs140 |
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// __fstat30 |
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// __getcwd |
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// __getfh30 |
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// __getlogin |
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// __lstat30 |
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// __mount50 |
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// __msgctl13 |
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// __msync13 |
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// __ntp_gettime30 |
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// __posix_chown |
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// __posix_fadvise50 |
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// __posix_fchown |
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// __posix_lchown |
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// __posix_rename |
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// __setlogin |
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// __shmctl13 |
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// __sigaction_sigtramp |
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// __sigaltstack14 |
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// __sigpending14 |
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// __sigprocmask14 |
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// __sigsuspend14 |
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// __sigtimedwait |
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// __stat30 |
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// __syscall |
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// __vfork14 |
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// _ksem_close |
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// _ksem_destroy |
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// _ksem_getvalue |
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// _ksem_init |
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// _ksem_open |
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// _ksem_post |
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// _ksem_trywait |
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// _ksem_unlink |
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// _ksem_wait |
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// _lwp_continue |
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// _lwp_create |
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// _lwp_ctl |
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// _lwp_detach |
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// _lwp_exit |
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// _lwp_getname |
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// _lwp_getprivate |
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// _lwp_kill |
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// _lwp_park |
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// _lwp_self |
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// _lwp_setname |
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// _lwp_setprivate |
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// _lwp_suspend |
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// _lwp_unpark |
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// _lwp_unpark_all |
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// _lwp_wait |
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// _lwp_wakeup |
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// _pset_bind |
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// _sched_getaffinity |
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// _sched_getparam |
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// _sched_setaffinity |
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// _sched_setparam |
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// acct |
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// aio_cancel |
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// aio_error |
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// aio_fsync |
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// aio_read |
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// aio_return |
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// aio_suspend |
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// aio_write |
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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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// compat_09_ogetdomainname |
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// compat_09_osetdomainname |
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// compat_09_ouname |
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// compat_10_omsgsys |
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// compat_10_osemsys |
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// compat_10_oshmsys |
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// compat_12_fstat12 |
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// compat_12_getdirentries |
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// compat_12_lstat12 |
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// compat_12_msync |
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// compat_12_oreboot |
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// compat_12_oswapon |
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// compat_12_stat12 |
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// compat_13_sigaction13 |
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// compat_13_sigaltstack13 |
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// compat_13_sigpending13 |
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// compat_13_sigprocmask13 |
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// compat_13_sigreturn13 |
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// compat_13_sigsuspend13 |
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// compat_14___semctl |
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// compat_14_msgctl |
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// compat_14_shmctl |
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// compat_16___sigaction14 |
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// compat_16___sigreturn14 |
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// compat_20_fhstatfs |
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// compat_20_fstatfs |
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// compat_20_getfsstat |
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// compat_20_statfs |
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// compat_30___fhstat30 |
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// compat_30___fstat13 |
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// compat_30___lstat13 |
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// compat_30___stat13 |
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// compat_30_fhopen |
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// compat_30_fhstat |
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// compat_30_fhstatvfs1 |
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// compat_30_getdents |
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// compat_30_getfh |
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// compat_30_ntp_gettime |
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// compat_30_socket |
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// compat_40_mount |
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// compat_43_fstat43 |
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// compat_43_lstat43 |
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// compat_43_oaccept |
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// compat_43_ocreat |
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// compat_43_oftruncate |
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// compat_43_ogetdirentries |
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// compat_43_ogetdtablesize |
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// compat_43_ogethostid |
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// compat_43_ogethostname |
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// compat_43_ogetkerninfo |
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// compat_43_ogetpagesize |
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// compat_43_ogetpeername |
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// compat_43_ogetrlimit |
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// compat_43_ogetsockname |
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// compat_43_okillpg |
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// compat_43_olseek |
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// compat_43_ommap |
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// compat_43_oquota |
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// compat_43_orecv |
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// compat_43_orecvfrom |
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// compat_43_orecvmsg |
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// compat_43_osend |
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// compat_43_osendmsg |
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// compat_43_osethostid |
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// compat_43_osethostname |
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// compat_43_osetrlimit |
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// compat_43_osigblock |
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// compat_43_osigsetmask |
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// compat_43_osigstack |
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// compat_43_osigvec |
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// compat_43_otruncate |
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// compat_43_owait |
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// compat_43_stat43 |
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// execve |
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// extattr_delete_fd |
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// extattr_delete_file |
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// extattr_delete_link |
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// extattr_get_fd |
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// extattr_get_file |
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// extattr_get_link |
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// extattr_list_fd |
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// extattr_list_file |
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// extattr_list_link |
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// extattr_set_fd |
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// extattr_set_file |
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// extattr_set_link |
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// extattrctl |
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// fchroot |
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// fdatasync |
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// fgetxattr |
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// fktrace |
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// flistxattr |
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// fork |
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// fremovexattr |
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// fsetxattr |
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// fstatvfs1 |
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// fsync_range |
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// getcontext |
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// getitimer |
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// getvfsstat |
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// getxattr |
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// ioctl |
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// ktrace |
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// lchflags |
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// lchmod |
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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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// lgetxattr |
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// lio_listio |
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// listxattr |
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// llistxattr |
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// lremovexattr |
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// lseek |
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// lsetxattr |
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// lutimes |
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// madvise |
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// mincore |
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// minherit |
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// modctl |
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// mq_close |
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// mq_getattr |
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// mq_notify |
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// mq_open |
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// mq_receive |
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// mq_send |
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// mq_setattr |
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// mq_timedreceive |
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// mq_timedsend |
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// mq_unlink |
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// mremap |
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// msgget |
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// msgrcv |
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// msgsnd |
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// nfssvc |
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// ntp_adjtime |
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// pmc_control |
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// pmc_get_info |
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// poll |
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// pollts |
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// preadv |
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// profil |
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// pselect |
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// pset_assign |
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// pset_create |
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// pset_destroy |
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// ptrace |
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// pwritev |
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// quotactl |
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// rasctl |
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// readv |
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// reboot |
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// removexattr |
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// sa_enable |
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// sa_preempt |
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// sa_register |
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// sa_setconcurrency |
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// sa_stacks |
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// sa_yield |
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// sbrk |
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// sched_yield |
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// semconfig |
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// semget |
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// semop |
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// setcontext |
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// setitimer |
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// setxattr |
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// shmat |
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// shmdt |
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// shmget |
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// sstk |
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// statvfs1 |
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// swapctl |
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// sysarch |
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// syscall |
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// timer_create |
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// timer_delete |
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// timer_getoverrun |
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// timer_gettime |
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// timer_settime |
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// undelete |
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// utrace |
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// uuidgen |
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// vadvise |
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// vfork |
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// writev
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