blob: 408e63081c06fb2aefbde5b99cfdd4323573186c [file] [log] [blame]
David K. Bainbridge215e0242017-09-05 23:18:24 -07001// Copyright 2009,2010 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// OpenBSD system calls.
6// This file is compiled as ordinary Go code,
7// but it is also input to mksyscall,
8// which parses the //sys lines and generates system call stubs.
9// Note that sometimes we use a lowercase //sys name and wrap
10// it in our own nicer implementation, either here or in
11// syscall_bsd.go or syscall_unix.go.
12
13package unix
14
15import (
16 "syscall"
17 "unsafe"
18)
19
20type SockaddrDatalink struct {
21 Len uint8
22 Family uint8
23 Index uint16
24 Type uint8
25 Nlen uint8
26 Alen uint8
27 Slen uint8
28 Data [24]int8
29 raw RawSockaddrDatalink
30}
31
32func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
33
34func nametomib(name string) (mib []_C_int, err error) {
35
36 // Perform lookup via a binary search
37 left := 0
38 right := len(sysctlMib) - 1
39 for {
40 idx := left + (right-left)/2
41 switch {
42 case name == sysctlMib[idx].ctlname:
43 return sysctlMib[idx].ctloid, nil
44 case name > sysctlMib[idx].ctlname:
45 left = idx + 1
46 default:
47 right = idx - 1
48 }
49 if left > right {
50 break
51 }
52 }
53 return nil, EINVAL
54}
55
56func direntIno(buf []byte) (uint64, bool) {
57 return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
58}
59
60func direntReclen(buf []byte) (uint64, bool) {
61 return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
62}
63
64func direntNamlen(buf []byte) (uint64, bool) {
65 return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
66}
67
68//sysnb pipe(p *[2]_C_int) (err error)
69func Pipe(p []int) (err error) {
70 if len(p) != 2 {
71 return EINVAL
72 }
73 var pp [2]_C_int
74 err = pipe(&pp)
75 p[0] = int(pp[0])
76 p[1] = int(pp[1])
77 return
78}
79
80//sys getdents(fd int, buf []byte) (n int, err error)
81func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
82 return getdents(fd, buf)
83}
84
85// TODO
86func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
87 return -1, ENOSYS
88}
89
90func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
91 var _p0 unsafe.Pointer
92 var bufsize uintptr
93 if len(buf) > 0 {
94 _p0 = unsafe.Pointer(&buf[0])
95 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
96 }
97 r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
98 n = int(r0)
99 if e1 != 0 {
100 err = e1
101 }
102 return
103}
104
105/*
106 * Exposed directly
107 */
108//sys Access(path string, mode uint32) (err error)
109//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
110//sys Chdir(path string) (err error)
111//sys Chflags(path string, flags int) (err error)
112//sys Chmod(path string, mode uint32) (err error)
113//sys Chown(path string, uid int, gid int) (err error)
114//sys Chroot(path string) (err error)
115//sys Close(fd int) (err error)
116//sys Dup(fd int) (nfd int, err error)
117//sys Dup2(from int, to int) (err error)
118//sys Exit(code int)
119//sys Fchdir(fd int) (err error)
120//sys Fchflags(fd int, flags int) (err error)
121//sys Fchmod(fd int, mode uint32) (err error)
122//sys Fchown(fd int, uid int, gid int) (err error)
123//sys Flock(fd int, how int) (err error)
124//sys Fpathconf(fd int, name int) (val int, err error)
125//sys Fstat(fd int, stat *Stat_t) (err error)
126//sys Fstatfs(fd int, stat *Statfs_t) (err error)
127//sys Fsync(fd int) (err error)
128//sys Ftruncate(fd int, length int64) (err error)
129//sysnb Getegid() (egid int)
130//sysnb Geteuid() (uid int)
131//sysnb Getgid() (gid int)
132//sysnb Getpgid(pid int) (pgid int, err error)
133//sysnb Getpgrp() (pgrp int)
134//sysnb Getpid() (pid int)
135//sysnb Getppid() (ppid int)
136//sys Getpriority(which int, who int) (prio int, err error)
137//sysnb Getrlimit(which int, lim *Rlimit) (err error)
138//sysnb Getrusage(who int, rusage *Rusage) (err error)
139//sysnb Getsid(pid int) (sid int, err error)
140//sysnb Gettimeofday(tv *Timeval) (err error)
141//sysnb Getuid() (uid int)
142//sys Issetugid() (tainted bool)
143//sys Kill(pid int, signum syscall.Signal) (err error)
144//sys Kqueue() (fd int, err error)
145//sys Lchown(path string, uid int, gid int) (err error)
146//sys Link(path string, link string) (err error)
147//sys Listen(s int, backlog int) (err error)
148//sys Lstat(path string, stat *Stat_t) (err error)
149//sys Mkdir(path string, mode uint32) (err error)
150//sys Mkfifo(path string, mode uint32) (err error)
151//sys Mknod(path string, mode uint32, dev int) (err error)
152//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
153//sys Open(path string, mode int, perm uint32) (fd int, err error)
154//sys Pathconf(path string, name int) (val int, err error)
155//sys Pread(fd int, p []byte, offset int64) (n int, err error)
156//sys Pwrite(fd int, p []byte, offset int64) (n int, err error)
157//sys read(fd int, p []byte) (n int, err error)
158//sys Readlink(path string, buf []byte) (n int, err error)
159//sys Rename(from string, to string) (err error)
160//sys Revoke(path string) (err error)
161//sys Rmdir(path string) (err error)
162//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
163//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
164//sysnb Setegid(egid int) (err error)
165//sysnb Seteuid(euid int) (err error)
166//sysnb Setgid(gid int) (err error)
167//sys Setlogin(name string) (err error)
168//sysnb Setpgid(pid int, pgid int) (err error)
169//sys Setpriority(which int, who int, prio int) (err error)
170//sysnb Setregid(rgid int, egid int) (err error)
171//sysnb Setreuid(ruid int, euid int) (err error)
172//sysnb Setresgid(rgid int, egid int, sgid int) (err error)
173//sysnb Setresuid(ruid int, euid int, suid int) (err error)
174//sysnb Setrlimit(which int, lim *Rlimit) (err error)
175//sysnb Setsid() (pid int, err error)
176//sysnb Settimeofday(tp *Timeval) (err error)
177//sysnb Setuid(uid int) (err error)
178//sys Stat(path string, stat *Stat_t) (err error)
179//sys Statfs(path string, stat *Statfs_t) (err error)
180//sys Symlink(path string, link string) (err error)
181//sys Sync() (err error)
182//sys Truncate(path string, length int64) (err error)
183//sys Umask(newmask int) (oldmask int)
184//sys Unlink(path string) (err error)
185//sys Unmount(path string, flags int) (err error)
186//sys write(fd int, p []byte) (n int, err error)
187//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
188//sys munmap(addr uintptr, length uintptr) (err error)
189//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
190//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
191//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
192
193/*
194 * Unimplemented
195 */
196// __getcwd
197// __semctl
198// __syscall
199// __sysctl
200// adjfreq
201// break
202// clock_getres
203// clock_gettime
204// clock_settime
205// closefrom
206// execve
207// faccessat
208// fchmodat
209// fchownat
210// fcntl
211// fhopen
212// fhstat
213// fhstatfs
214// fork
215// fstatat
216// futimens
217// getfh
218// getgid
219// getitimer
220// getlogin
221// getresgid
222// getresuid
223// getrtable
224// getthrid
225// ioctl
226// ktrace
227// lfs_bmapv
228// lfs_markv
229// lfs_segclean
230// lfs_segwait
231// linkat
232// mincore
233// minherit
234// mkdirat
235// mkfifoat
236// mknodat
237// mount
238// mquery
239// msgctl
240// msgget
241// msgrcv
242// msgsnd
243// nfssvc
244// nnpfspioctl
245// openat
246// poll
247// preadv
248// profil
249// pwritev
250// quotactl
251// readlinkat
252// readv
253// reboot
254// renameat
255// rfork
256// sched_yield
257// semget
258// semop
259// setgroups
260// setitimer
261// setrtable
262// setsockopt
263// shmat
264// shmctl
265// shmdt
266// shmget
267// sigaction
268// sigaltstack
269// sigpending
270// sigprocmask
271// sigreturn
272// sigsuspend
273// symlinkat
274// sysarch
275// syscall
276// threxit
277// thrsigdivert
278// thrsleep
279// thrwakeup
280// unlinkat
281// vfork
282// writev