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Update vendors

This commit is contained in:
MZI
2018-10-13 21:45:53 +08:00
parent bf5480b2df
commit db6c162b03
451 changed files with 139580 additions and 42578 deletions

View File

@ -12,8 +12,11 @@
package unix
import "unsafe"
import (
"unsafe"
)
// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
type SockaddrDatalink struct {
Len uint8
Family uint8
@ -32,7 +35,7 @@ func nametomib(name string) (mib []_C_int, err error) {
// NOTE(rsc): It seems strange to set the buffer to have
// size CTL_MAXNAME+2 but use only CTL_MAXNAME
// as the size. I don't know why the +2 is here, but the
// as the size. I don't know why the +2 is here, but the
// kernel uses +2 for its own implementation of this function.
// I am scared that if we don't include the +2 here, the kernel
// will silently write 2 words farther than we specify
@ -54,42 +57,21 @@ func nametomib(name string) (mib []_C_int, err error) {
return buf[0 : n/siz], nil
}
// ParseDirent parses up to max directory entries in buf,
// appending the names to names. It returns the number
// bytes consumed from buf, the number of entries added
// to names, and the new names slice.
func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
origlen := len(buf)
for max != 0 && len(buf) > 0 {
dirent := (*Dirent)(unsafe.Pointer(&buf[0]))
if dirent.Reclen == 0 {
buf = nil
break
}
buf = buf[dirent.Reclen:]
if dirent.Fileno == 0 { // File absent in directory.
continue
}
bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0]))
var name = string(bytes[0:dirent.Namlen])
if name == "." || name == ".." { // Useless names
continue
}
max--
count++
names = append(names, name)
}
return origlen - len(buf), count, names
func Pipe(p []int) (err error) {
return Pipe2(p, 0)
}
//sysnb pipe() (r int, w int, err error)
//sysnb pipe2(p *[2]_C_int, flags int) (err error)
func Pipe(p []int) (err error) {
func Pipe2(p []int, flags int) error {
if len(p) != 2 {
return EINVAL
}
p[0], p[1], err = pipe()
return
var pp [2]_C_int
err := pipe2(&pp, flags)
p[0] = int(pp[0])
p[1] = int(pp[1])
return err
}
func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) {
@ -113,7 +95,7 @@ func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
if len > SizeofSockaddrAny {
panic("RawSockaddrAny too small")
}
sa, err = anyToSockaddr(&rsa)
sa, err = anyToSockaddr(fd, &rsa)
if err != nil {
Close(nfd)
nfd = 0
@ -121,6 +103,23 @@ func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
return
}
const ImplementsGetwd = true
//sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
func Getwd() (string, error) {
var buf [PathMax]byte
_, err := Getcwd(buf[0:])
if err != nil {
return "", err
}
n := clen(buf[:])
if n < 1 {
return "", EINVAL
}
return string(buf[:n]), nil
}
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
@ -136,236 +135,94 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
return
}
// Derive extattr namespace and attribute name
func setattrlistTimes(path string, times []Timespec, flags int) error {
// used on Darwin for UtimesNano
return ENOSYS
}
func xattrnamespace(fullattr string) (ns int, attr string, err error) {
s := -1
for idx, val := range fullattr {
if val == '.' {
s = idx
break
//sys ioctl(fd int, req uint, arg uintptr) (err error)
// ioctl itself should not be exposed directly, but additional get/set
// functions for specific types are permissible.
// IoctlSetInt performs an ioctl operation which sets an integer value
// on fd, using the specified request number.
func IoctlSetInt(fd int, req uint, value int) error {
return ioctl(fd, req, uintptr(value))
}
func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
}
func ioctlSetTermios(fd int, req uint, value *Termios) error {
return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
}
// IoctlGetInt performs an ioctl operation which gets an integer value
// from fd, using the specified request number.
func IoctlGetInt(fd int, req uint) (int, error) {
var value int
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
return value, err
}
func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
var value Winsize
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
return &value, err
}
func IoctlGetTermios(fd int, req uint) (*Termios, error) {
var value Termios
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
return &value, err
}
func Uname(uname *Utsname) error {
mib := []_C_int{CTL_KERN, KERN_OSTYPE}
n := unsafe.Sizeof(uname.Sysname)
if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
return err
}
mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
n = unsafe.Sizeof(uname.Nodename)
if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
return err
}
mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
n = unsafe.Sizeof(uname.Release)
if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
return err
}
mib = []_C_int{CTL_KERN, KERN_VERSION}
n = unsafe.Sizeof(uname.Version)
if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
return err
}
// The version might have newlines or tabs in it, convert them to
// spaces.
for i, b := range uname.Version {
if b == '\n' || b == '\t' {
if i == len(uname.Version)-1 {
uname.Version[i] = 0
} else {
uname.Version[i] = ' '
}
}
}
if s == -1 {
return -1, "", ENOATTR
mib = []_C_int{CTL_HW, HW_MACHINE}
n = unsafe.Sizeof(uname.Machine)
if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
return err
}
namespace := fullattr[0:s]
attr = fullattr[s+1:]
switch namespace {
case "user":
return EXTATTR_NAMESPACE_USER, attr, nil
case "system":
return EXTATTR_NAMESPACE_SYSTEM, attr, nil
default:
return -1, "", ENOATTR
}
}
func initxattrdest(dest []byte, idx int) (d unsafe.Pointer) {
if len(dest) > idx {
return unsafe.Pointer(&dest[idx])
} else {
return unsafe.Pointer(_zero)
}
}
// FreeBSD implements its own syscalls to handle extended attributes
func Getxattr(file string, attr string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsize := len(dest)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return -1, err
}
return ExtattrGetFile(file, nsid, a, uintptr(d), destsize)
}
func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsize := len(dest)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return -1, err
}
return ExtattrGetFd(fd, nsid, a, uintptr(d), destsize)
}
func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsize := len(dest)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return -1, err
}
return ExtattrGetLink(link, nsid, a, uintptr(d), destsize)
}
// flags are unused on FreeBSD
func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) {
d := unsafe.Pointer(&data[0])
datasiz := len(data)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
_, err = ExtattrSetFd(fd, nsid, a, uintptr(d), datasiz)
return
}
func Setxattr(file string, attr string, data []byte, flags int) (err error) {
d := unsafe.Pointer(&data[0])
datasiz := len(data)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
_, err = ExtattrSetFile(file, nsid, a, uintptr(d), datasiz)
return
}
func Lsetxattr(link string, attr string, data []byte, flags int) (err error) {
d := unsafe.Pointer(&data[0])
datasiz := len(data)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
_, err = ExtattrSetLink(link, nsid, a, uintptr(d), datasiz)
return
}
func Removexattr(file string, attr string) (err error) {
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
err = ExtattrDeleteFile(file, nsid, a)
return
}
func Fremovexattr(fd int, attr string) (err error) {
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
err = ExtattrDeleteFd(fd, nsid, a)
return
}
func Lremovexattr(link string, attr string) (err error) {
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
err = ExtattrDeleteLink(link, nsid, a)
return
}
func Listxattr(file string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsiz := len(dest)
// FreeBSD won't allow you to list xattrs from multiple namespaces
s := 0
var e error
for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
stmp, e := ExtattrListFile(file, nsid, uintptr(d), destsiz)
/* Errors accessing system attrs are ignored so that
* we can implement the Linux-like behavior of omitting errors that
* we don't have read permissions on
*
* Linux will still error if we ask for user attributes on a file that
* we don't have read permissions on, so don't ignore those errors
*/
if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
e = nil
continue
} else if e != nil {
return s, e
}
s += stmp
destsiz -= s
if destsiz < 0 {
destsiz = 0
}
d = initxattrdest(dest, s)
}
return s, e
}
func Flistxattr(fd int, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsiz := len(dest)
s := 0
var e error
for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
stmp, e := ExtattrListFd(fd, nsid, uintptr(d), destsiz)
if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
e = nil
continue
} else if e != nil {
return s, e
}
s += stmp
destsiz -= s
if destsiz < 0 {
destsiz = 0
}
d = initxattrdest(dest, s)
}
return s, e
}
func Llistxattr(link string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsiz := len(dest)
s := 0
var e error
for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
stmp, e := ExtattrListLink(link, nsid, uintptr(d), destsiz)
if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
e = nil
continue
} else if e != nil {
return s, e
}
s += stmp
destsiz -= s
if destsiz < 0 {
destsiz = 0
}
d = initxattrdest(dest, s)
}
return s, e
return nil
}
/*
@ -373,6 +230,9 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
*/
//sys Access(path string, mode uint32) (err error)
//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
//sys CapEnter() (err error)
//sys capRightsGet(version int, fd int, rightsp *CapRights) (err error) = SYS___CAP_RIGHTS_GET
//sys capRightsLimit(fd int, rightsp *CapRights) (err error)
//sys Chdir(path string) (err error)
//sys Chflags(path string, flags int) (err error)
//sys Chmod(path string, mode uint32) (err error)
@ -395,16 +255,21 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
//sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error)
//sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE
//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
//sys Fchdir(fd int) (err error)
//sys Fchflags(fd int, flags int) (err error)
//sys Fchmod(fd int, mode uint32) (err error)
//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
//sys Fchown(fd int, uid int, gid int) (err error)
//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
//sys Flock(fd int, how int) (err error)
//sys Fpathconf(fd int, name int) (val int, err error)
//sys Fstat(fd int, stat *Stat_t) (err error)
//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
//sys Fstatfs(fd int, stat *Statfs_t) (err error)
//sys Fsync(fd int) (err error)
//sys Ftruncate(fd int, length int64) (err error)
//sys Getdents(fd int, buf []byte) (n int, err error)
//sys Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error)
//sys Getdtablesize() (size int)
//sysnb Getegid() (egid int)
@ -425,24 +290,24 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
//sys Kqueue() (fd int, err error)
//sys Lchown(path string, uid int, gid int) (err error)
//sys Link(path string, link string) (err error)
//sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
//sys Listen(s int, backlog int) (err error)
//sys Lstat(path string, stat *Stat_t) (err error)
//sys Mkdir(path string, mode uint32) (err error)
//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
//sys Mkfifo(path string, mode uint32) (err error)
//sys Mknod(path string, mode uint32, dev int) (err error)
//sys Mlock(b []byte) (err error)
//sys Mlockall(flags int) (err error)
//sys Mprotect(b []byte, prot int) (err error)
//sys Munlock(b []byte) (err error)
//sys Munlockall() (err error)
//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys Open(path string, mode int, perm uint32) (fd int, err error)
//sys Openat(fdat int, path string, mode int, perm uint32) (fd int, err error)
//sys Pathconf(path string, name int) (val int, err error)
//sys Pread(fd int, p []byte, offset int64) (n int, err error)
//sys Pwrite(fd int, p []byte, offset int64) (n int, err error)
//sys read(fd int, p []byte) (n int, err error)
//sys Readlink(path string, buf []byte) (n int, err error)
//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
//sys Rename(from string, to string) (err error)
//sys Renameat(fromfd int, from string, tofd int, to string) (err error)
//sys Revoke(path string) (err error)
//sys Rmdir(path string) (err error)
//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
@ -464,11 +329,13 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
//sys Stat(path string, stat *Stat_t) (err error)
//sys Statfs(path string, stat *Statfs_t) (err error)
//sys Symlink(path string, link string) (err error)
//sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
//sys Sync() (err error)
//sys Truncate(path string, length int64) (err error)
//sys Umask(newmask int) (oldmask int)
//sys Undelete(path string) (err error)
//sys Unlink(path string) (err error)
//sys Unlinkat(dirfd int, path string, flags int) (err error)
//sys Unmount(path string, flags int) (err error)
//sys write(fd int, p []byte) (n int, err error)
//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
@ -476,6 +343,7 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
//sys accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error)
//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
/*
* Unimplemented
@ -509,9 +377,6 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
// Add_profil
// Kdebug_trace
// Sigreturn
// Mmap
// Mlock
// Munlock
// Atsocket
// Kqueue_from_portset_np
// Kqueue_portset
@ -521,18 +386,9 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
// Searchfs
// Delete
// Copyfile
// Poll
// Watchevent
// Waitevent
// Modwatch
// Getxattr
// Fgetxattr
// Setxattr
// Fsetxattr
// Removexattr
// Fremovexattr
// Listxattr
// Flistxattr
// Fsctl
// Initgroups
// Posix_spawn
@ -604,8 +460,6 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
// Lio_listio
// __pthread_cond_wait
// Iopolicysys
// Mlockall
// Munlockall
// __pthread_kill
// __pthread_sigmask
// __sigwait
@ -658,7 +512,6 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
// Sendmsg_nocancel
// Recvfrom_nocancel
// Accept_nocancel
// Msync_nocancel
// Fcntl_nocancel
// Select_nocancel
// Fsync_nocancel