1// 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// Darwin 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
 21// 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
 34// SockaddrCtl implements the Sockaddr interface for AF_SYSTEM type sockets.
 35type SockaddrCtl struct {
 36	ID   uint32
 37	Unit uint32
 38	raw  RawSockaddrCtl
 39}
 40
 41func (sa *SockaddrCtl) sockaddr() (unsafe.Pointer, _Socklen, error) {
 42	sa.raw.Sc_len = SizeofSockaddrCtl
 43	sa.raw.Sc_family = AF_SYSTEM
 44	sa.raw.Ss_sysaddr = AF_SYS_CONTROL
 45	sa.raw.Sc_id = sa.ID
 46	sa.raw.Sc_unit = sa.Unit
 47	return unsafe.Pointer(&sa.raw), SizeofSockaddrCtl, nil
 48}
 49
 50func anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 51	switch rsa.Addr.Family {
 52	case AF_SYSTEM:
 53		pp := (*RawSockaddrCtl)(unsafe.Pointer(rsa))
 54		if pp.Ss_sysaddr == AF_SYS_CONTROL {
 55			sa := new(SockaddrCtl)
 56			sa.ID = pp.Sc_id
 57			sa.Unit = pp.Sc_unit
 58			return sa, nil
 59		}
 60	}
 61	return nil, EAFNOSUPPORT
 62}
 63
 64// Some external packages rely on SYS___SYSCTL being defined to implement their
 65// own sysctl wrappers. Provide it here, even though direct syscalls are no
 66// longer supported on darwin.
 67const SYS___SYSCTL = SYS_SYSCTL
 68
 69// Translate "kern.hostname" to []_C_int{0,1,2,3}.
 70func nametomib(name string) (mib []_C_int, err error) {
 71	const siz = unsafe.Sizeof(mib[0])
 72
 73	// NOTE(rsc): It seems strange to set the buffer to have
 74	// size CTL_MAXNAME+2 but use only CTL_MAXNAME
 75	// as the size. I don't know why the +2 is here, but the
 76	// kernel uses +2 for its own implementation of this function.
 77	// I am scared that if we don't include the +2 here, the kernel
 78	// will silently write 2 words farther than we specify
 79	// and we'll get memory corruption.
 80	var buf [CTL_MAXNAME + 2]_C_int
 81	n := uintptr(CTL_MAXNAME) * siz
 82
 83	p := (*byte)(unsafe.Pointer(&buf[0]))
 84	bytes, err := ByteSliceFromString(name)
 85	if err != nil {
 86		return nil, err
 87	}
 88
 89	// Magic sysctl: "setting" 0.3 to a string name
 90	// lets you read back the array of integers form.
 91	if err = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); err != nil {
 92		return nil, err
 93	}
 94	return buf[0 : n/siz], nil
 95}
 96
 97func direntIno(buf []byte) (uint64, bool) {
 98	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
 99}
100
101func direntReclen(buf []byte) (uint64, bool) {
102	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
103}
104
105func direntNamlen(buf []byte) (uint64, bool) {
106	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
107}
108
109func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
110func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }
111
112type attrList struct {
113	bitmapCount uint16
114	_           uint16
115	CommonAttr  uint32
116	VolAttr     uint32
117	DirAttr     uint32
118	FileAttr    uint32
119	Forkattr    uint32
120}
121
122//sysnb	pipe(p *[2]int32) (err error)
123
124func Pipe(p []int) (err error) {
125	if len(p) != 2 {
126		return EINVAL
127	}
128	var x [2]int32
129	err = pipe(&x)
130	p[0] = int(x[0])
131	p[1] = int(x[1])
132	return
133}
134
135func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
136	var _p0 unsafe.Pointer
137	var bufsize uintptr
138	if len(buf) > 0 {
139		_p0 = unsafe.Pointer(&buf[0])
140		bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
141	}
142	return getfsstat(_p0, bufsize, flags)
143}
144
145func xattrPointer(dest []byte) *byte {
146	// It's only when dest is set to NULL that the OS X implementations of
147	// getxattr() and listxattr() return the current sizes of the named attributes.
148	// An empty byte array is not sufficient. To maintain the same behaviour as the
149	// linux implementation, we wrap around the system calls and pass in NULL when
150	// dest is empty.
151	var destp *byte
152	if len(dest) > 0 {
153		destp = &dest[0]
154	}
155	return destp
156}
157
158//sys	getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error)
159
160func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
161	return getxattr(path, attr, xattrPointer(dest), len(dest), 0, 0)
162}
163
164func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) {
165	return getxattr(link, attr, xattrPointer(dest), len(dest), 0, XATTR_NOFOLLOW)
166}
167
168//sys	fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error)
169
170func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) {
171	return fgetxattr(fd, attr, xattrPointer(dest), len(dest), 0, 0)
172}
173
174//sys	setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error)
175
176func Setxattr(path string, attr string, data []byte, flags int) (err error) {
177	// The parameters for the OS X implementation vary slightly compared to the
178	// linux system call, specifically the position parameter:
179	//
180	//  linux:
181	//      int setxattr(
182	//          const char *path,
183	//          const char *name,
184	//          const void *value,
185	//          size_t size,
186	//          int flags
187	//      );
188	//
189	//  darwin:
190	//      int setxattr(
191	//          const char *path,
192	//          const char *name,
193	//          void *value,
194	//          size_t size,
195	//          u_int32_t position,
196	//          int options
197	//      );
198	//
199	// position specifies the offset within the extended attribute. In the
200	// current implementation, only the resource fork extended attribute makes
201	// use of this argument. For all others, position is reserved. We simply
202	// default to setting it to zero.
203	return setxattr(path, attr, xattrPointer(data), len(data), 0, flags)
204}
205
206func Lsetxattr(link string, attr string, data []byte, flags int) (err error) {
207	return setxattr(link, attr, xattrPointer(data), len(data), 0, flags|XATTR_NOFOLLOW)
208}
209
210//sys	fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error)
211
212func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) {
213	return fsetxattr(fd, attr, xattrPointer(data), len(data), 0, 0)
214}
215
216//sys	removexattr(path string, attr string, options int) (err error)
217
218func Removexattr(path string, attr string) (err error) {
219	// We wrap around and explicitly zero out the options provided to the OS X
220	// implementation of removexattr, we do so for interoperability with the
221	// linux variant.
222	return removexattr(path, attr, 0)
223}
224
225func Lremovexattr(link string, attr string) (err error) {
226	return removexattr(link, attr, XATTR_NOFOLLOW)
227}
228
229//sys	fremovexattr(fd int, attr string, options int) (err error)
230
231func Fremovexattr(fd int, attr string) (err error) {
232	return fremovexattr(fd, attr, 0)
233}
234
235//sys	listxattr(path string, dest *byte, size int, options int) (sz int, err error)
236
237func Listxattr(path string, dest []byte) (sz int, err error) {
238	return listxattr(path, xattrPointer(dest), len(dest), 0)
239}
240
241func Llistxattr(link string, dest []byte) (sz int, err error) {
242	return listxattr(link, xattrPointer(dest), len(dest), XATTR_NOFOLLOW)
243}
244
245//sys	flistxattr(fd int, dest *byte, size int, options int) (sz int, err error)
246
247func Flistxattr(fd int, dest []byte) (sz int, err error) {
248	return flistxattr(fd, xattrPointer(dest), len(dest), 0)
249}
250
251func setattrlistTimes(path string, times []Timespec, flags int) error {
252	_p0, err := BytePtrFromString(path)
253	if err != nil {
254		return err
255	}
256
257	var attrList attrList
258	attrList.bitmapCount = ATTR_BIT_MAP_COUNT
259	attrList.CommonAttr = ATTR_CMN_MODTIME | ATTR_CMN_ACCTIME
260
261	// order is mtime, atime: the opposite of Chtimes
262	attributes := [2]Timespec{times[1], times[0]}
263	options := 0
264	if flags&AT_SYMLINK_NOFOLLOW != 0 {
265		options |= FSOPT_NOFOLLOW
266	}
267	return setattrlist(
268		_p0,
269		unsafe.Pointer(&attrList),
270		unsafe.Pointer(&attributes),
271		unsafe.Sizeof(attributes),
272		options)
273}
274
275//sys	setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
276
277func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error {
278	// Darwin doesn't support SYS_UTIMENSAT
279	return ENOSYS
280}
281
282/*
283 * Wrapped
284 */
285
286//sys	fcntl(fd int, cmd int, arg int) (val int, err error)
287
288//sys	kill(pid int, signum int, posix int) (err error)
289
290func Kill(pid int, signum syscall.Signal) (err error) { return kill(pid, int(signum), 1) }
291
292//sys	ioctl(fd int, req uint, arg uintptr) (err error)
293
294func IoctlCtlInfo(fd int, ctlInfo *CtlInfo) error {
295	err := ioctl(fd, CTLIOCGINFO, uintptr(unsafe.Pointer(ctlInfo)))
296	runtime.KeepAlive(ctlInfo)
297	return err
298}
299
300// IfreqMTU is struct ifreq used to get or set a network device's MTU.
301type IfreqMTU struct {
302	Name [IFNAMSIZ]byte
303	MTU  int32
304}
305
306// IoctlGetIfreqMTU performs the SIOCGIFMTU ioctl operation on fd to get the MTU
307// of the network device specified by ifname.
308func IoctlGetIfreqMTU(fd int, ifname string) (*IfreqMTU, error) {
309	var ifreq IfreqMTU
310	copy(ifreq.Name[:], ifname)
311	err := ioctl(fd, SIOCGIFMTU, uintptr(unsafe.Pointer(&ifreq)))
312	return &ifreq, err
313}
314
315// IoctlSetIfreqMTU performs the SIOCSIFMTU ioctl operation on fd to set the MTU
316// of the network device specified by ifreq.Name.
317func IoctlSetIfreqMTU(fd int, ifreq *IfreqMTU) error {
318	err := ioctl(fd, SIOCSIFMTU, uintptr(unsafe.Pointer(ifreq)))
319	runtime.KeepAlive(ifreq)
320	return err
321}
322
323//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS_SYSCTL
324
325func Uname(uname *Utsname) error {
326	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
327	n := unsafe.Sizeof(uname.Sysname)
328	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
329		return err
330	}
331
332	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
333	n = unsafe.Sizeof(uname.Nodename)
334	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
335		return err
336	}
337
338	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
339	n = unsafe.Sizeof(uname.Release)
340	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
341		return err
342	}
343
344	mib = []_C_int{CTL_KERN, KERN_VERSION}
345	n = unsafe.Sizeof(uname.Version)
346	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
347		return err
348	}
349
350	// The version might have newlines or tabs in it, convert them to
351	// spaces.
352	for i, b := range uname.Version {
353		if b == '\n' || b == '\t' {
354			if i == len(uname.Version)-1 {
355				uname.Version[i] = 0
356			} else {
357				uname.Version[i] = ' '
358			}
359		}
360	}
361
362	mib = []_C_int{CTL_HW, HW_MACHINE}
363	n = unsafe.Sizeof(uname.Machine)
364	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
365		return err
366	}
367
368	return nil
369}
370
371func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
372	if raceenabled {
373		raceReleaseMerge(unsafe.Pointer(&ioSync))
374	}
375	var length = int64(count)
376	err = sendfile(infd, outfd, *offset, &length, nil, 0)
377	written = int(length)
378	return
379}
380
381func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) {
382	var value IPMreqn
383	vallen := _Socklen(SizeofIPMreqn)
384	errno := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
385	return &value, errno
386}
387
388func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
389	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
390}
391
392// GetsockoptXucred is a getsockopt wrapper that returns an Xucred struct.
393// The usual level and opt are SOL_LOCAL and LOCAL_PEERCRED, respectively.
394func GetsockoptXucred(fd, level, opt int) (*Xucred, error) {
395	x := new(Xucred)
396	vallen := _Socklen(SizeofXucred)
397	err := getsockopt(fd, level, opt, unsafe.Pointer(x), &vallen)
398	return x, err
399}
400
401//sys	sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error)
402
403/*
404 * Exposed directly
405 */
406//sys	Access(path string, mode uint32) (err error)
407//sys	Adjtime(delta *Timeval, olddelta *Timeval) (err error)
408//sys	Chdir(path string) (err error)
409//sys	Chflags(path string, flags int) (err error)
410//sys	Chmod(path string, mode uint32) (err error)
411//sys	Chown(path string, uid int, gid int) (err error)
412//sys	Chroot(path string) (err error)
413//sys	ClockGettime(clockid int32, time *Timespec) (err error)
414//sys	Close(fd int) (err error)
415//sys	Clonefile(src string, dst string, flags int) (err error)
416//sys	Clonefileat(srcDirfd int, src string, dstDirfd int, dst string, flags int) (err error)
417//sys	Dup(fd int) (nfd int, err error)
418//sys	Dup2(from int, to int) (err error)
419//sys	Exchangedata(path1 string, path2 string, options int) (err error)
420//sys	Exit(code int)
421//sys	Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
422//sys	Fchdir(fd int) (err error)
423//sys	Fchflags(fd int, flags int) (err error)
424//sys	Fchmod(fd int, mode uint32) (err error)
425//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
426//sys	Fchown(fd int, uid int, gid int) (err error)
427//sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
428//sys	Fclonefileat(srcDirfd int, dstDirfd int, dst string, flags int) (err error)
429//sys	Flock(fd int, how int) (err error)
430//sys	Fpathconf(fd int, name int) (val int, err error)
431//sys	Fsync(fd int) (err error)
432//sys	Ftruncate(fd int, length int64) (err error)
433//sys	Getcwd(buf []byte) (n int, err error)
434//sys	Getdtablesize() (size int)
435//sysnb	Getegid() (egid int)
436//sysnb	Geteuid() (uid int)
437//sysnb	Getgid() (gid int)
438//sysnb	Getpgid(pid int) (pgid int, err error)
439//sysnb	Getpgrp() (pgrp int)
440//sysnb	Getpid() (pid int)
441//sysnb	Getppid() (ppid int)
442//sys	Getpriority(which int, who int) (prio int, err error)
443//sysnb	Getrlimit(which int, lim *Rlimit) (err error)
444//sysnb	Getrusage(who int, rusage *Rusage) (err error)
445//sysnb	Getsid(pid int) (sid int, err error)
446//sysnb	Gettimeofday(tp *Timeval) (err error)
447//sysnb	Getuid() (uid int)
448//sysnb	Issetugid() (tainted bool)
449//sys	Kqueue() (fd int, err error)
450//sys	Lchown(path string, uid int, gid int) (err error)
451//sys	Link(path string, link string) (err error)
452//sys	Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
453//sys	Listen(s int, backlog int) (err error)
454//sys	Mkdir(path string, mode uint32) (err error)
455//sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
456//sys	Mkfifo(path string, mode uint32) (err error)
457//sys	Mknod(path string, mode uint32, dev int) (err error)
458//sys	Open(path string, mode int, perm uint32) (fd int, err error)
459//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
460//sys	Pathconf(path string, name int) (val int, err error)
461//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
462//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
463//sys	read(fd int, p []byte) (n int, err error)
464//sys	Readlink(path string, buf []byte) (n int, err error)
465//sys	Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
466//sys	Rename(from string, to string) (err error)
467//sys	Renameat(fromfd int, from string, tofd int, to string) (err error)
468//sys	Revoke(path string) (err error)
469//sys	Rmdir(path string) (err error)
470//sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
471//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
472//sys	Setegid(egid int) (err error)
473//sysnb	Seteuid(euid int) (err error)
474//sysnb	Setgid(gid int) (err error)
475//sys	Setlogin(name string) (err error)
476//sysnb	Setpgid(pid int, pgid int) (err error)
477//sys	Setpriority(which int, who int, prio int) (err error)
478//sys	Setprivexec(flag int) (err error)
479//sysnb	Setregid(rgid int, egid int) (err error)
480//sysnb	Setreuid(ruid int, euid int) (err error)
481//sysnb	Setrlimit(which int, lim *Rlimit) (err error)
482//sysnb	Setsid() (pid int, err error)
483//sysnb	Settimeofday(tp *Timeval) (err error)
484//sysnb	Setuid(uid int) (err error)
485//sys	Symlink(path string, link string) (err error)
486//sys	Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
487//sys	Sync() (err error)
488//sys	Truncate(path string, length int64) (err error)
489//sys	Umask(newmask int) (oldmask int)
490//sys	Undelete(path string) (err error)
491//sys	Unlink(path string) (err error)
492//sys	Unlinkat(dirfd int, path string, flags int) (err error)
493//sys	Unmount(path string, flags int) (err error)
494//sys	write(fd int, p []byte) (n int, err error)
495//sys	mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
496//sys	munmap(addr uintptr, length uintptr) (err error)
497//sys	readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
498//sys	writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
499
500/*
501 * Unimplemented
502 */
503// Profil
504// Sigaction
505// Sigprocmask
506// Getlogin
507// Sigpending
508// Sigaltstack
509// Ioctl
510// Reboot
511// Execve
512// Vfork
513// Sbrk
514// Sstk
515// Ovadvise
516// Mincore
517// Setitimer
518// Swapon
519// Select
520// Sigsuspend
521// Readv
522// Writev
523// Nfssvc
524// Getfh
525// Quotactl
526// Mount
527// Csops
528// Waitid
529// Add_profil
530// Kdebug_trace
531// Sigreturn
532// Atsocket
533// Kqueue_from_portset_np
534// Kqueue_portset
535// Getattrlist
536// Setattrlist
537// Getdirentriesattr
538// Searchfs
539// Delete
540// Copyfile
541// Watchevent
542// Waitevent
543// Modwatch
544// Fsctl
545// Initgroups
546// Posix_spawn
547// Nfsclnt
548// Fhopen
549// Minherit
550// Semsys
551// Msgsys
552// Shmsys
553// Semctl
554// Semget
555// Semop
556// Msgctl
557// Msgget
558// Msgsnd
559// Msgrcv
560// Shmat
561// Shmctl
562// Shmdt
563// Shmget
564// Shm_open
565// Shm_unlink
566// Sem_open
567// Sem_close
568// Sem_unlink
569// Sem_wait
570// Sem_trywait
571// Sem_post
572// Sem_getvalue
573// Sem_init
574// Sem_destroy
575// Open_extended
576// Umask_extended
577// Stat_extended
578// Lstat_extended
579// Fstat_extended
580// Chmod_extended
581// Fchmod_extended
582// Access_extended
583// Settid
584// Gettid
585// Setsgroups
586// Getsgroups
587// Setwgroups
588// Getwgroups
589// Mkfifo_extended
590// Mkdir_extended
591// Identitysvc
592// Shared_region_check_np
593// Shared_region_map_np
594// __pthread_mutex_destroy
595// __pthread_mutex_init
596// __pthread_mutex_lock
597// __pthread_mutex_trylock
598// __pthread_mutex_unlock
599// __pthread_cond_init
600// __pthread_cond_destroy
601// __pthread_cond_broadcast
602// __pthread_cond_signal
603// Setsid_with_pid
604// __pthread_cond_timedwait
605// Aio_fsync
606// Aio_return
607// Aio_suspend
608// Aio_cancel
609// Aio_error
610// Aio_read
611// Aio_write
612// Lio_listio
613// __pthread_cond_wait
614// Iopolicysys
615// __pthread_kill
616// __pthread_sigmask
617// __sigwait
618// __disable_threadsignal
619// __pthread_markcancel
620// __pthread_canceled
621// __semwait_signal
622// Proc_info
623// sendfile
624// Stat64_extended
625// Lstat64_extended
626// Fstat64_extended
627// __pthread_chdir
628// __pthread_fchdir
629// Audit
630// Auditon
631// Getauid
632// Setauid
633// Getaudit
634// Setaudit
635// Getaudit_addr
636// Setaudit_addr
637// Auditctl
638// Bsdthread_create
639// Bsdthread_terminate
640// Stack_snapshot
641// Bsdthread_register
642// Workq_open
643// Workq_ops
644// __mac_execve
645// __mac_syscall
646// __mac_get_file
647// __mac_set_file
648// __mac_get_link
649// __mac_set_link
650// __mac_get_proc
651// __mac_set_proc
652// __mac_get_fd
653// __mac_set_fd
654// __mac_get_pid
655// __mac_get_lcid
656// __mac_get_lctx
657// __mac_set_lctx
658// Setlcid
659// Read_nocancel
660// Write_nocancel
661// Open_nocancel
662// Close_nocancel
663// Wait4_nocancel
664// Recvmsg_nocancel
665// Sendmsg_nocancel
666// Recvfrom_nocancel
667// Accept_nocancel
668// Fcntl_nocancel
669// Select_nocancel
670// Fsync_nocancel
671// Connect_nocancel
672// Sigsuspend_nocancel
673// Readv_nocancel
674// Writev_nocancel
675// Sendto_nocancel
676// Pread_nocancel
677// Pwrite_nocancel
678// Waitid_nocancel
679// Poll_nocancel
680// Msgsnd_nocancel
681// Msgrcv_nocancel
682// Sem_wait_nocancel
683// Aio_suspend_nocancel
684// __sigwait_nocancel
685// __semwait_signal_nocancel
686// __mac_mount
687// __mac_get_mount
688// __mac_getfsstat