blob: 5240e16e4b34f1117723b833c330d4227d2fbdfb [file] [log] [blame]
Don Newton98fd8812019-09-23 15:15:02 -04001// 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// NetBSD 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 "runtime"
17 "syscall"
18 "unsafe"
19)
20
Don Newton98fd8812019-09-23 15:15:02 -040021// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
22type SockaddrDatalink struct {
23 Len uint8
24 Family uint8
25 Index uint16
26 Type uint8
27 Nlen uint8
28 Alen uint8
29 Slen uint8
30 Data [12]int8
31 raw RawSockaddrDatalink
32}
33
34func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
35
36func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) {
37 var olen uintptr
38
39 // Get a list of all sysctl nodes below the given MIB by performing
40 // a sysctl for the given MIB with CTL_QUERY appended.
41 mib = append(mib, CTL_QUERY)
42 qnode := Sysctlnode{Flags: SYSCTL_VERS_1}
43 qp := (*byte)(unsafe.Pointer(&qnode))
44 sz := unsafe.Sizeof(qnode)
45 if err = sysctl(mib, nil, &olen, qp, sz); err != nil {
46 return nil, err
47 }
48
49 // Now that we know the size, get the actual nodes.
50 nodes = make([]Sysctlnode, olen/sz)
51 np := (*byte)(unsafe.Pointer(&nodes[0]))
52 if err = sysctl(mib, np, &olen, qp, sz); err != nil {
53 return nil, err
54 }
55
56 return nodes, nil
57}
58
59func nametomib(name string) (mib []_C_int, err error) {
60 // Split name into components.
61 var parts []string
62 last := 0
63 for i := 0; i < len(name); i++ {
64 if name[i] == '.' {
65 parts = append(parts, name[last:i])
66 last = i + 1
67 }
68 }
69 parts = append(parts, name[last:])
70
71 // Discover the nodes and construct the MIB OID.
72 for partno, part := range parts {
73 nodes, err := sysctlNodes(mib)
74 if err != nil {
75 return nil, err
76 }
77 for _, node := range nodes {
78 n := make([]byte, 0)
79 for i := range node.Name {
80 if node.Name[i] != 0 {
81 n = append(n, byte(node.Name[i]))
82 }
83 }
84 if string(n) == part {
85 mib = append(mib, _C_int(node.Num))
86 break
87 }
88 }
89 if len(mib) != partno+1 {
90 return nil, EINVAL
91 }
92 }
93
94 return mib, nil
95}
96
Don Newton98fd8812019-09-23 15:15:02 -040097func SysctlClockinfo(name string) (*Clockinfo, error) {
98 mib, err := sysctlmib(name)
99 if err != nil {
100 return nil, err
101 }
102
103 n := uintptr(SizeofClockinfo)
104 var ci Clockinfo
105 if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
106 return nil, err
107 }
108 if n != SizeofClockinfo {
109 return nil, EIO
110 }
111 return &ci, nil
112}
113
114//sysnb pipe() (fd1 int, fd2 int, err error)
115func Pipe(p []int) (err error) {
116 if len(p) != 2 {
117 return EINVAL
118 }
119 p[0], p[1], err = pipe()
120 return
121}
122
Don Newtone0d34a82019-11-14 10:58:06 -0500123//sys getdents(fd int, buf []byte) (n int, err error)
Don Newton98fd8812019-09-23 15:15:02 -0400124func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
Don Newtone0d34a82019-11-14 10:58:06 -0500125 return getdents(fd, buf)
Don Newton98fd8812019-09-23 15:15:02 -0400126}
127
128const ImplementsGetwd = true
129
130//sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
131
132func Getwd() (string, error) {
133 var buf [PathMax]byte
134 _, err := Getcwd(buf[0:])
135 if err != nil {
136 return "", err
137 }
138 n := clen(buf[:])
139 if n < 1 {
140 return "", EINVAL
141 }
142 return string(buf[:n]), nil
143}
144
145// TODO
146func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
147 return -1, ENOSYS
148}
149
150func setattrlistTimes(path string, times []Timespec, flags int) error {
151 // used on Darwin for UtimesNano
152 return ENOSYS
153}
154
155//sys ioctl(fd int, req uint, arg uintptr) (err error)
156
Don Newtone0d34a82019-11-14 10:58:06 -0500157// ioctl itself should not be exposed directly, but additional get/set
158// functions for specific types are permissible.
159
160// IoctlSetInt performs an ioctl operation which sets an integer value
161// on fd, using the specified request number.
162func IoctlSetInt(fd int, req uint, value int) error {
163 return ioctl(fd, req, uintptr(value))
164}
165
166func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
167 return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
168}
169
170func ioctlSetTermios(fd int, req uint, value *Termios) error {
171 return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
172}
173
174// IoctlGetInt performs an ioctl operation which gets an integer value
175// from fd, using the specified request number.
176func IoctlGetInt(fd int, req uint) (int, error) {
177 var value int
178 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
179 return value, err
180}
181
182func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
183 var value Winsize
184 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
185 return &value, err
186}
187
188func IoctlGetTermios(fd int, req uint) (*Termios, error) {
189 var value Termios
190 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
191 return &value, err
192}
193
Don Newton98fd8812019-09-23 15:15:02 -0400194func IoctlGetPtmget(fd int, req uint) (*Ptmget, error) {
195 var value Ptmget
196 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
197 runtime.KeepAlive(value)
198 return &value, err
199}
200
201func Uname(uname *Utsname) error {
202 mib := []_C_int{CTL_KERN, KERN_OSTYPE}
203 n := unsafe.Sizeof(uname.Sysname)
204 if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
205 return err
206 }
207
208 mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
209 n = unsafe.Sizeof(uname.Nodename)
210 if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
211 return err
212 }
213
214 mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
215 n = unsafe.Sizeof(uname.Release)
216 if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
217 return err
218 }
219
220 mib = []_C_int{CTL_KERN, KERN_VERSION}
221 n = unsafe.Sizeof(uname.Version)
222 if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
223 return err
224 }
225
226 // The version might have newlines or tabs in it, convert them to
227 // spaces.
228 for i, b := range uname.Version {
229 if b == '\n' || b == '\t' {
230 if i == len(uname.Version)-1 {
231 uname.Version[i] = 0
232 } else {
233 uname.Version[i] = ' '
234 }
235 }
236 }
237
238 mib = []_C_int{CTL_HW, HW_MACHINE}
239 n = unsafe.Sizeof(uname.Machine)
240 if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
241 return err
242 }
243
244 return nil
245}
246
247func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
248 if raceenabled {
249 raceReleaseMerge(unsafe.Pointer(&ioSync))
250 }
251 return sendfile(outfd, infd, offset, count)
252}
253
254/*
255 * Exposed directly
256 */
257//sys Access(path string, mode uint32) (err error)
258//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
259//sys Chdir(path string) (err error)
260//sys Chflags(path string, flags int) (err error)
261//sys Chmod(path string, mode uint32) (err error)
262//sys Chown(path string, uid int, gid int) (err error)
263//sys Chroot(path string) (err error)
264//sys Close(fd int) (err error)
265//sys Dup(fd int) (nfd int, err error)
266//sys Dup2(from int, to int) (err error)
267//sys Exit(code int)
268//sys ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
269//sys ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
270//sys ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error)
271//sys ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
272//sys ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
273//sys ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
274//sys ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error)
275//sys ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
276//sys ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
277//sys ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
278//sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error)
279//sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
280//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
281//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE
282//sys Fchdir(fd int) (err error)
283//sys Fchflags(fd int, flags int) (err error)
284//sys Fchmod(fd int, mode uint32) (err error)
285//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
286//sys Fchown(fd int, uid int, gid int) (err error)
287//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
288//sys Flock(fd int, how int) (err error)
289//sys Fpathconf(fd int, name int) (val int, err error)
290//sys Fstat(fd int, stat *Stat_t) (err error)
291//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
292//sys Fsync(fd int) (err error)
293//sys Ftruncate(fd int, length int64) (err error)
294//sysnb Getegid() (egid int)
295//sysnb Geteuid() (uid int)
296//sysnb Getgid() (gid int)
297//sysnb Getpgid(pid int) (pgid int, err error)
298//sysnb Getpgrp() (pgrp int)
299//sysnb Getpid() (pid int)
300//sysnb Getppid() (ppid int)
301//sys Getpriority(which int, who int) (prio int, err error)
302//sysnb Getrlimit(which int, lim *Rlimit) (err error)
303//sysnb Getrusage(who int, rusage *Rusage) (err error)
304//sysnb Getsid(pid int) (sid int, err error)
305//sysnb Gettimeofday(tv *Timeval) (err error)
306//sysnb Getuid() (uid int)
307//sys Issetugid() (tainted bool)
308//sys Kill(pid int, signum syscall.Signal) (err error)
309//sys Kqueue() (fd int, err error)
310//sys Lchown(path string, uid int, gid int) (err error)
311//sys Link(path string, link string) (err error)
312//sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
313//sys Listen(s int, backlog int) (err error)
314//sys Lstat(path string, stat *Stat_t) (err error)
315//sys Mkdir(path string, mode uint32) (err error)
316//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
317//sys Mkfifo(path string, mode uint32) (err error)
318//sys Mkfifoat(dirfd int, path string, mode uint32) (err error)
319//sys Mknod(path string, mode uint32, dev int) (err error)
320//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
321//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
322//sys Open(path string, mode int, perm uint32) (fd int, err error)
323//sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
324//sys Pathconf(path string, name int) (val int, err error)
325//sys Pread(fd int, p []byte, offset int64) (n int, err error)
326//sys Pwrite(fd int, p []byte, offset int64) (n int, err error)
327//sys read(fd int, p []byte) (n int, err error)
328//sys Readlink(path string, buf []byte) (n int, err error)
329//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
330//sys Rename(from string, to string) (err error)
331//sys Renameat(fromfd int, from string, tofd int, to string) (err error)
332//sys Revoke(path string) (err error)
333//sys Rmdir(path string) (err error)
334//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
335//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
336//sysnb Setegid(egid int) (err error)
337//sysnb Seteuid(euid int) (err error)
338//sysnb Setgid(gid int) (err error)
339//sysnb Setpgid(pid int, pgid int) (err error)
340//sys Setpriority(which int, who int, prio int) (err error)
341//sysnb Setregid(rgid int, egid int) (err error)
342//sysnb Setreuid(ruid int, euid int) (err error)
343//sysnb Setrlimit(which int, lim *Rlimit) (err error)
344//sysnb Setsid() (pid int, err error)
345//sysnb Settimeofday(tp *Timeval) (err error)
346//sysnb Setuid(uid int) (err error)
347//sys Stat(path string, stat *Stat_t) (err error)
348//sys Symlink(path string, link string) (err error)
349//sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
350//sys Sync() (err error)
351//sys Truncate(path string, length int64) (err error)
352//sys Umask(newmask int) (oldmask int)
353//sys Unlink(path string) (err error)
354//sys Unlinkat(dirfd int, path string, flags int) (err error)
355//sys Unmount(path string, flags int) (err error)
356//sys write(fd int, p []byte) (n int, err error)
357//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
358//sys munmap(addr uintptr, length uintptr) (err error)
359//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
360//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
361//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
362
363/*
364 * Unimplemented
365 */
366// ____semctl13
367// __clone
368// __fhopen40
369// __fhstat40
370// __fhstatvfs140
371// __fstat30
372// __getcwd
373// __getfh30
374// __getlogin
375// __lstat30
376// __mount50
377// __msgctl13
378// __msync13
379// __ntp_gettime30
380// __posix_chown
381// __posix_fchown
382// __posix_lchown
383// __posix_rename
384// __setlogin
385// __shmctl13
386// __sigaction_sigtramp
387// __sigaltstack14
388// __sigpending14
389// __sigprocmask14
390// __sigsuspend14
391// __sigtimedwait
392// __stat30
393// __syscall
394// __vfork14
395// _ksem_close
396// _ksem_destroy
397// _ksem_getvalue
398// _ksem_init
399// _ksem_open
400// _ksem_post
401// _ksem_trywait
402// _ksem_unlink
403// _ksem_wait
404// _lwp_continue
405// _lwp_create
406// _lwp_ctl
407// _lwp_detach
408// _lwp_exit
409// _lwp_getname
410// _lwp_getprivate
411// _lwp_kill
412// _lwp_park
413// _lwp_self
414// _lwp_setname
415// _lwp_setprivate
416// _lwp_suspend
417// _lwp_unpark
418// _lwp_unpark_all
419// _lwp_wait
420// _lwp_wakeup
421// _pset_bind
422// _sched_getaffinity
423// _sched_getparam
424// _sched_setaffinity
425// _sched_setparam
426// acct
427// aio_cancel
428// aio_error
429// aio_fsync
430// aio_read
431// aio_return
432// aio_suspend
433// aio_write
434// break
435// clock_getres
436// clock_gettime
437// clock_settime
438// compat_09_ogetdomainname
439// compat_09_osetdomainname
440// compat_09_ouname
441// compat_10_omsgsys
442// compat_10_osemsys
443// compat_10_oshmsys
444// compat_12_fstat12
445// compat_12_getdirentries
446// compat_12_lstat12
447// compat_12_msync
448// compat_12_oreboot
449// compat_12_oswapon
450// compat_12_stat12
451// compat_13_sigaction13
452// compat_13_sigaltstack13
453// compat_13_sigpending13
454// compat_13_sigprocmask13
455// compat_13_sigreturn13
456// compat_13_sigsuspend13
457// compat_14___semctl
458// compat_14_msgctl
459// compat_14_shmctl
460// compat_16___sigaction14
461// compat_16___sigreturn14
462// compat_20_fhstatfs
463// compat_20_fstatfs
464// compat_20_getfsstat
465// compat_20_statfs
466// compat_30___fhstat30
467// compat_30___fstat13
468// compat_30___lstat13
469// compat_30___stat13
470// compat_30_fhopen
471// compat_30_fhstat
472// compat_30_fhstatvfs1
473// compat_30_getdents
474// compat_30_getfh
475// compat_30_ntp_gettime
476// compat_30_socket
477// compat_40_mount
478// compat_43_fstat43
479// compat_43_lstat43
480// compat_43_oaccept
481// compat_43_ocreat
482// compat_43_oftruncate
483// compat_43_ogetdirentries
484// compat_43_ogetdtablesize
485// compat_43_ogethostid
486// compat_43_ogethostname
487// compat_43_ogetkerninfo
488// compat_43_ogetpagesize
489// compat_43_ogetpeername
490// compat_43_ogetrlimit
491// compat_43_ogetsockname
492// compat_43_okillpg
493// compat_43_olseek
494// compat_43_ommap
495// compat_43_oquota
496// compat_43_orecv
497// compat_43_orecvfrom
498// compat_43_orecvmsg
499// compat_43_osend
500// compat_43_osendmsg
501// compat_43_osethostid
502// compat_43_osethostname
503// compat_43_osetrlimit
504// compat_43_osigblock
505// compat_43_osigsetmask
506// compat_43_osigstack
507// compat_43_osigvec
508// compat_43_otruncate
509// compat_43_owait
510// compat_43_stat43
511// execve
512// extattr_delete_fd
513// extattr_delete_file
514// extattr_delete_link
515// extattr_get_fd
516// extattr_get_file
517// extattr_get_link
518// extattr_list_fd
519// extattr_list_file
520// extattr_list_link
521// extattr_set_fd
522// extattr_set_file
523// extattr_set_link
524// extattrctl
525// fchroot
526// fdatasync
527// fgetxattr
528// fktrace
529// flistxattr
530// fork
531// fremovexattr
532// fsetxattr
533// fstatvfs1
534// fsync_range
535// getcontext
536// getitimer
537// getvfsstat
538// getxattr
539// ktrace
540// lchflags
541// lchmod
542// lfs_bmapv
543// lfs_markv
544// lfs_segclean
545// lfs_segwait
546// lgetxattr
547// lio_listio
548// listxattr
549// llistxattr
550// lremovexattr
551// lseek
552// lsetxattr
553// lutimes
554// madvise
555// mincore
556// minherit
557// modctl
558// mq_close
559// mq_getattr
560// mq_notify
561// mq_open
562// mq_receive
563// mq_send
564// mq_setattr
565// mq_timedreceive
566// mq_timedsend
567// mq_unlink
568// mremap
569// msgget
570// msgrcv
571// msgsnd
572// nfssvc
573// ntp_adjtime
574// pmc_control
575// pmc_get_info
576// pollts
577// preadv
578// profil
579// pselect
580// pset_assign
581// pset_create
582// pset_destroy
583// ptrace
584// pwritev
585// quotactl
586// rasctl
587// readv
588// reboot
589// removexattr
590// sa_enable
591// sa_preempt
592// sa_register
593// sa_setconcurrency
594// sa_stacks
595// sa_yield
596// sbrk
597// sched_yield
598// semconfig
599// semget
600// semop
601// setcontext
602// setitimer
603// setxattr
604// shmat
605// shmdt
606// shmget
607// sstk
608// statvfs1
609// swapctl
610// sysarch
611// syscall
612// timer_create
613// timer_delete
614// timer_getoverrun
615// timer_gettime
616// timer_settime
617// undelete
618// utrace
619// uuidgen
620// vadvise
621// vfork
622// writev