github.com/binkynet/BinkyNet@v1.12.1-0.20240421190447-da4e34c20be0/proto_vendor/golang.org/x/sys/unix/syscall_netbsd.go (about)

     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  // 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  
    13  package unix
    14  
    15  import (
    16  	"runtime"
    17  	"syscall"
    18  	"unsafe"
    19  )
    20  
    21  //sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
    22  
    23  // SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
    24  type SockaddrDatalink struct {
    25  	Len    uint8
    26  	Family uint8
    27  	Index  uint16
    28  	Type   uint8
    29  	Nlen   uint8
    30  	Alen   uint8
    31  	Slen   uint8
    32  	Data   [12]int8
    33  	raw    RawSockaddrDatalink
    34  }
    35  
    36  func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
    37  
    38  func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) {
    39  	var olen uintptr
    40  
    41  	// Get a list of all sysctl nodes below the given MIB by performing
    42  	// a sysctl for the given MIB with CTL_QUERY appended.
    43  	mib = append(mib, CTL_QUERY)
    44  	qnode := Sysctlnode{Flags: SYSCTL_VERS_1}
    45  	qp := (*byte)(unsafe.Pointer(&qnode))
    46  	sz := unsafe.Sizeof(qnode)
    47  	if err = sysctl(mib, nil, &olen, qp, sz); err != nil {
    48  		return nil, err
    49  	}
    50  
    51  	// Now that we know the size, get the actual nodes.
    52  	nodes = make([]Sysctlnode, olen/sz)
    53  	np := (*byte)(unsafe.Pointer(&nodes[0]))
    54  	if err = sysctl(mib, np, &olen, qp, sz); err != nil {
    55  		return nil, err
    56  	}
    57  
    58  	return nodes, nil
    59  }
    60  
    61  func nametomib(name string) (mib []_C_int, err error) {
    62  	// Split name into components.
    63  	var parts []string
    64  	last := 0
    65  	for i := 0; i < len(name); i++ {
    66  		if name[i] == '.' {
    67  			parts = append(parts, name[last:i])
    68  			last = i + 1
    69  		}
    70  	}
    71  	parts = append(parts, name[last:])
    72  
    73  	// Discover the nodes and construct the MIB OID.
    74  	for partno, part := range parts {
    75  		nodes, err := sysctlNodes(mib)
    76  		if err != nil {
    77  			return nil, err
    78  		}
    79  		for _, node := range nodes {
    80  			n := make([]byte, 0)
    81  			for i := range node.Name {
    82  				if node.Name[i] != 0 {
    83  					n = append(n, byte(node.Name[i]))
    84  				}
    85  			}
    86  			if string(n) == part {
    87  				mib = append(mib, _C_int(node.Num))
    88  				break
    89  			}
    90  		}
    91  		if len(mib) != partno+1 {
    92  			return nil, EINVAL
    93  		}
    94  	}
    95  
    96  	return mib, nil
    97  }
    98  
    99  func direntIno(buf []byte) (uint64, bool) {
   100  	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
   101  }
   102  
   103  func direntReclen(buf []byte) (uint64, bool) {
   104  	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
   105  }
   106  
   107  func direntNamlen(buf []byte) (uint64, bool) {
   108  	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
   109  }
   110  
   111  func SysctlClockinfo(name string) (*Clockinfo, error) {
   112  	mib, err := sysctlmib(name)
   113  	if err != nil {
   114  		return nil, err
   115  	}
   116  
   117  	n := uintptr(SizeofClockinfo)
   118  	var ci Clockinfo
   119  	if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
   120  		return nil, err
   121  	}
   122  	if n != SizeofClockinfo {
   123  		return nil, EIO
   124  	}
   125  	return &ci, nil
   126  }
   127  
   128  //sysnb pipe() (fd1 int, fd2 int, err error)
   129  func Pipe(p []int) (err error) {
   130  	if len(p) != 2 {
   131  		return EINVAL
   132  	}
   133  	p[0], p[1], err = pipe()
   134  	return
   135  }
   136  
   137  //sys Getdents(fd int, buf []byte) (n int, err error)
   138  func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
   139  	n, err = Getdents(fd, buf)
   140  	if err != nil || basep == nil {
   141  		return
   142  	}
   143  
   144  	var off int64
   145  	off, err = Seek(fd, 0, 1 /* SEEK_CUR */)
   146  	if err != nil {
   147  		*basep = ^uintptr(0)
   148  		return
   149  	}
   150  	*basep = uintptr(off)
   151  	if unsafe.Sizeof(*basep) == 8 {
   152  		return
   153  	}
   154  	if off>>32 != 0 {
   155  		// We can't stuff the offset back into a uintptr, so any
   156  		// future calls would be suspect. Generate an error.
   157  		// EIO is allowed by getdirentries.
   158  		err = EIO
   159  	}
   160  	return
   161  }
   162  
   163  const ImplementsGetwd = true
   164  
   165  //sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
   166  
   167  func Getwd() (string, error) {
   168  	var buf [PathMax]byte
   169  	_, err := Getcwd(buf[0:])
   170  	if err != nil {
   171  		return "", err
   172  	}
   173  	n := clen(buf[:])
   174  	if n < 1 {
   175  		return "", EINVAL
   176  	}
   177  	return string(buf[:n]), nil
   178  }
   179  
   180  // TODO
   181  func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
   182  	return -1, ENOSYS
   183  }
   184  
   185  func setattrlistTimes(path string, times []Timespec, flags int) error {
   186  	// used on Darwin for UtimesNano
   187  	return ENOSYS
   188  }
   189  
   190  //sys	ioctl(fd int, req uint, arg uintptr) (err error)
   191  
   192  func IoctlGetPtmget(fd int, req uint) (*Ptmget, error) {
   193  	var value Ptmget
   194  	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
   195  	runtime.KeepAlive(value)
   196  	return &value, err
   197  }
   198  
   199  func Uname(uname *Utsname) error {
   200  	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
   201  	n := unsafe.Sizeof(uname.Sysname)
   202  	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
   203  		return err
   204  	}
   205  
   206  	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
   207  	n = unsafe.Sizeof(uname.Nodename)
   208  	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
   209  		return err
   210  	}
   211  
   212  	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
   213  	n = unsafe.Sizeof(uname.Release)
   214  	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
   215  		return err
   216  	}
   217  
   218  	mib = []_C_int{CTL_KERN, KERN_VERSION}
   219  	n = unsafe.Sizeof(uname.Version)
   220  	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
   221  		return err
   222  	}
   223  
   224  	// The version might have newlines or tabs in it, convert them to
   225  	// spaces.
   226  	for i, b := range uname.Version {
   227  		if b == '\n' || b == '\t' {
   228  			if i == len(uname.Version)-1 {
   229  				uname.Version[i] = 0
   230  			} else {
   231  				uname.Version[i] = ' '
   232  			}
   233  		}
   234  	}
   235  
   236  	mib = []_C_int{CTL_HW, HW_MACHINE}
   237  	n = unsafe.Sizeof(uname.Machine)
   238  	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
   239  		return err
   240  	}
   241  
   242  	return nil
   243  }
   244  
   245  func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
   246  	if raceenabled {
   247  		raceReleaseMerge(unsafe.Pointer(&ioSync))
   248  	}
   249  	return sendfile(outfd, infd, offset, count)
   250  }
   251  
   252  /*
   253   * Exposed directly
   254   */
   255  //sys	Access(path string, mode uint32) (err error)
   256  //sys	Adjtime(delta *Timeval, olddelta *Timeval) (err error)
   257  //sys	Chdir(path string) (err error)
   258  //sys	Chflags(path string, flags int) (err error)
   259  //sys	Chmod(path string, mode uint32) (err error)
   260  //sys	Chown(path string, uid int, gid int) (err error)
   261  //sys	Chroot(path string) (err error)
   262  //sys	Close(fd int) (err error)
   263  //sys	Dup(fd int) (nfd int, err error)
   264  //sys	Dup2(from int, to int) (err error)
   265  //sys	Exit(code int)
   266  //sys	ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
   267  //sys	ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
   268  //sys	ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error)
   269  //sys	ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
   270  //sys	ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
   271  //sys	ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
   272  //sys	ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error)
   273  //sys	ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
   274  //sys	ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
   275  //sys	ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
   276  //sys	ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error)
   277  //sys	ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
   278  //sys	Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
   279  //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE
   280  //sys	Fchdir(fd int) (err error)
   281  //sys	Fchflags(fd int, flags int) (err error)
   282  //sys	Fchmod(fd int, mode uint32) (err error)
   283  //sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
   284  //sys	Fchown(fd int, uid int, gid int) (err error)
   285  //sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
   286  //sys	Flock(fd int, how int) (err error)
   287  //sys	Fpathconf(fd int, name int) (val int, err error)
   288  //sys	Fstat(fd int, stat *Stat_t) (err error)
   289  //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
   290  //sys	Fsync(fd int) (err error)
   291  //sys	Ftruncate(fd int, length int64) (err error)
   292  //sysnb	Getegid() (egid int)
   293  //sysnb	Geteuid() (uid int)
   294  //sysnb	Getgid() (gid int)
   295  //sysnb	Getpgid(pid int) (pgid int, err error)
   296  //sysnb	Getpgrp() (pgrp int)
   297  //sysnb	Getpid() (pid int)
   298  //sysnb	Getppid() (ppid int)
   299  //sys	Getpriority(which int, who int) (prio int, err error)
   300  //sysnb	Getrlimit(which int, lim *Rlimit) (err error)
   301  //sysnb	Getrusage(who int, rusage *Rusage) (err error)
   302  //sysnb	Getsid(pid int) (sid int, err error)
   303  //sysnb	Gettimeofday(tv *Timeval) (err error)
   304  //sysnb	Getuid() (uid int)
   305  //sys	Issetugid() (tainted bool)
   306  //sys	Kill(pid int, signum syscall.Signal) (err error)
   307  //sys	Kqueue() (fd int, err error)
   308  //sys	Lchown(path string, uid int, gid int) (err error)
   309  //sys	Link(path string, link string) (err error)
   310  //sys	Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
   311  //sys	Listen(s int, backlog int) (err error)
   312  //sys	Lstat(path string, stat *Stat_t) (err error)
   313  //sys	Mkdir(path string, mode uint32) (err error)
   314  //sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
   315  //sys	Mkfifo(path string, mode uint32) (err error)
   316  //sys	Mkfifoat(dirfd int, path string, mode uint32) (err error)
   317  //sys	Mknod(path string, mode uint32, dev int) (err error)
   318  //sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
   319  //sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
   320  //sys	Open(path string, mode int, perm uint32) (fd int, err error)
   321  //sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
   322  //sys	Pathconf(path string, name int) (val int, err error)
   323  //sys	Pread(fd int, p []byte, offset int64) (n int, err error)
   324  //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
   325  //sys	read(fd int, p []byte) (n int, err error)
   326  //sys	Readlink(path string, buf []byte) (n int, err error)
   327  //sys	Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
   328  //sys	Rename(from string, to string) (err error)
   329  //sys	Renameat(fromfd int, from string, tofd int, to string) (err error)
   330  //sys	Revoke(path string) (err error)
   331  //sys	Rmdir(path string) (err error)
   332  //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
   333  //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
   334  //sysnb	Setegid(egid int) (err error)
   335  //sysnb	Seteuid(euid int) (err error)
   336  //sysnb	Setgid(gid int) (err error)
   337  //sysnb	Setpgid(pid int, pgid int) (err error)
   338  //sys	Setpriority(which int, who int, prio int) (err error)
   339  //sysnb	Setregid(rgid int, egid int) (err error)
   340  //sysnb	Setreuid(ruid int, euid int) (err error)
   341  //sysnb	Setrlimit(which int, lim *Rlimit) (err error)
   342  //sysnb	Setsid() (pid int, err error)
   343  //sysnb	Settimeofday(tp *Timeval) (err error)
   344  //sysnb	Setuid(uid int) (err error)
   345  //sys	Stat(path string, stat *Stat_t) (err error)
   346  //sys	Symlink(path string, link string) (err error)
   347  //sys	Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
   348  //sys	Sync() (err error)
   349  //sys	Truncate(path string, length int64) (err error)
   350  //sys	Umask(newmask int) (oldmask int)
   351  //sys	Unlink(path string) (err error)
   352  //sys	Unlinkat(dirfd int, path string, flags int) (err error)
   353  //sys	Unmount(path string, flags int) (err error)
   354  //sys	write(fd int, p []byte) (n int, err error)
   355  //sys	mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
   356  //sys	munmap(addr uintptr, length uintptr) (err error)
   357  //sys	readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
   358  //sys	writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
   359  //sys	utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
   360  
   361  /*
   362   * Unimplemented
   363   */
   364  // ____semctl13
   365  // __clone
   366  // __fhopen40
   367  // __fhstat40
   368  // __fhstatvfs140
   369  // __fstat30
   370  // __getcwd
   371  // __getfh30
   372  // __getlogin
   373  // __lstat30
   374  // __mount50
   375  // __msgctl13
   376  // __msync13
   377  // __ntp_gettime30
   378  // __posix_chown
   379  // __posix_fchown
   380  // __posix_lchown
   381  // __posix_rename
   382  // __setlogin
   383  // __shmctl13
   384  // __sigaction_sigtramp
   385  // __sigaltstack14
   386  // __sigpending14
   387  // __sigprocmask14
   388  // __sigsuspend14
   389  // __sigtimedwait
   390  // __stat30
   391  // __syscall
   392  // __vfork14
   393  // _ksem_close
   394  // _ksem_destroy
   395  // _ksem_getvalue
   396  // _ksem_init
   397  // _ksem_open
   398  // _ksem_post
   399  // _ksem_trywait
   400  // _ksem_unlink
   401  // _ksem_wait
   402  // _lwp_continue
   403  // _lwp_create
   404  // _lwp_ctl
   405  // _lwp_detach
   406  // _lwp_exit
   407  // _lwp_getname
   408  // _lwp_getprivate
   409  // _lwp_kill
   410  // _lwp_park
   411  // _lwp_self
   412  // _lwp_setname
   413  // _lwp_setprivate
   414  // _lwp_suspend
   415  // _lwp_unpark
   416  // _lwp_unpark_all
   417  // _lwp_wait
   418  // _lwp_wakeup
   419  // _pset_bind
   420  // _sched_getaffinity
   421  // _sched_getparam
   422  // _sched_setaffinity
   423  // _sched_setparam
   424  // acct
   425  // aio_cancel
   426  // aio_error
   427  // aio_fsync
   428  // aio_read
   429  // aio_return
   430  // aio_suspend
   431  // aio_write
   432  // break
   433  // clock_getres
   434  // clock_gettime
   435  // clock_settime
   436  // compat_09_ogetdomainname
   437  // compat_09_osetdomainname
   438  // compat_09_ouname
   439  // compat_10_omsgsys
   440  // compat_10_osemsys
   441  // compat_10_oshmsys
   442  // compat_12_fstat12
   443  // compat_12_getdirentries
   444  // compat_12_lstat12
   445  // compat_12_msync
   446  // compat_12_oreboot
   447  // compat_12_oswapon
   448  // compat_12_stat12
   449  // compat_13_sigaction13
   450  // compat_13_sigaltstack13
   451  // compat_13_sigpending13
   452  // compat_13_sigprocmask13
   453  // compat_13_sigreturn13
   454  // compat_13_sigsuspend13
   455  // compat_14___semctl
   456  // compat_14_msgctl
   457  // compat_14_shmctl
   458  // compat_16___sigaction14
   459  // compat_16___sigreturn14
   460  // compat_20_fhstatfs
   461  // compat_20_fstatfs
   462  // compat_20_getfsstat
   463  // compat_20_statfs
   464  // compat_30___fhstat30
   465  // compat_30___fstat13
   466  // compat_30___lstat13
   467  // compat_30___stat13
   468  // compat_30_fhopen
   469  // compat_30_fhstat
   470  // compat_30_fhstatvfs1
   471  // compat_30_getdents
   472  // compat_30_getfh
   473  // compat_30_ntp_gettime
   474  // compat_30_socket
   475  // compat_40_mount
   476  // compat_43_fstat43
   477  // compat_43_lstat43
   478  // compat_43_oaccept
   479  // compat_43_ocreat
   480  // compat_43_oftruncate
   481  // compat_43_ogetdirentries
   482  // compat_43_ogetdtablesize
   483  // compat_43_ogethostid
   484  // compat_43_ogethostname
   485  // compat_43_ogetkerninfo
   486  // compat_43_ogetpagesize
   487  // compat_43_ogetpeername
   488  // compat_43_ogetrlimit
   489  // compat_43_ogetsockname
   490  // compat_43_okillpg
   491  // compat_43_olseek
   492  // compat_43_ommap
   493  // compat_43_oquota
   494  // compat_43_orecv
   495  // compat_43_orecvfrom
   496  // compat_43_orecvmsg
   497  // compat_43_osend
   498  // compat_43_osendmsg
   499  // compat_43_osethostid
   500  // compat_43_osethostname
   501  // compat_43_osetrlimit
   502  // compat_43_osigblock
   503  // compat_43_osigsetmask
   504  // compat_43_osigstack
   505  // compat_43_osigvec
   506  // compat_43_otruncate
   507  // compat_43_owait
   508  // compat_43_stat43
   509  // execve
   510  // extattr_delete_fd
   511  // extattr_delete_file
   512  // extattr_delete_link
   513  // extattr_get_fd
   514  // extattr_get_file
   515  // extattr_get_link
   516  // extattr_list_fd
   517  // extattr_list_file
   518  // extattr_list_link
   519  // extattr_set_fd
   520  // extattr_set_file
   521  // extattr_set_link
   522  // extattrctl
   523  // fchroot
   524  // fdatasync
   525  // fgetxattr
   526  // fktrace
   527  // flistxattr
   528  // fork
   529  // fremovexattr
   530  // fsetxattr
   531  // fstatvfs1
   532  // fsync_range
   533  // getcontext
   534  // getitimer
   535  // getvfsstat
   536  // getxattr
   537  // ktrace
   538  // lchflags
   539  // lchmod
   540  // lfs_bmapv
   541  // lfs_markv
   542  // lfs_segclean
   543  // lfs_segwait
   544  // lgetxattr
   545  // lio_listio
   546  // listxattr
   547  // llistxattr
   548  // lremovexattr
   549  // lseek
   550  // lsetxattr
   551  // lutimes
   552  // madvise
   553  // mincore
   554  // minherit
   555  // modctl
   556  // mq_close
   557  // mq_getattr
   558  // mq_notify
   559  // mq_open
   560  // mq_receive
   561  // mq_send
   562  // mq_setattr
   563  // mq_timedreceive
   564  // mq_timedsend
   565  // mq_unlink
   566  // mremap
   567  // msgget
   568  // msgrcv
   569  // msgsnd
   570  // nfssvc
   571  // ntp_adjtime
   572  // pmc_control
   573  // pmc_get_info
   574  // pollts
   575  // preadv
   576  // profil
   577  // pselect
   578  // pset_assign
   579  // pset_create
   580  // pset_destroy
   581  // ptrace
   582  // pwritev
   583  // quotactl
   584  // rasctl
   585  // readv
   586  // reboot
   587  // removexattr
   588  // sa_enable
   589  // sa_preempt
   590  // sa_register
   591  // sa_setconcurrency
   592  // sa_stacks
   593  // sa_yield
   594  // sbrk
   595  // sched_yield
   596  // semconfig
   597  // semget
   598  // semop
   599  // setcontext
   600  // setitimer
   601  // setxattr
   602  // shmat
   603  // shmdt
   604  // shmget
   605  // sstk
   606  // statvfs1
   607  // swapctl
   608  // sysarch
   609  // syscall
   610  // timer_create
   611  // timer_delete
   612  // timer_getoverrun
   613  // timer_gettime
   614  // timer_settime
   615  // undelete
   616  // utrace
   617  // uuidgen
   618  // vadvise
   619  // vfork
   620  // writev