alexlebens/external-snapshotter
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updated vendor

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This commit is contained in:
Shubham Rajvanshi
2023-02-27 10:25:58 -08:00
parent d92a0c71d1
commit 19e8a305bf
93 changed files with 3684 additions and 1394 deletions
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51
vendor/golang.org/x/sys/unix/syscall_linux.go generated vendored
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@@ -1800,6 +1800,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
//sysnb Capset(hdr *CapUserHeader, data *CapUserData) (err error)
//sys Chdir(path string) (err error)
//sys Chroot(path string) (err error)
//sys ClockAdjtime(clockid int32, buf *Timex) (state int, err error)
//sys ClockGetres(clockid int32, res *Timespec) (err error)
//sys ClockGettime(clockid int32, time *Timespec) (err error)
//sys ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error)
@@ -1973,36 +1974,46 @@ func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
//sys preadv2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PREADV2
//sys pwritev2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PWRITEV2
func bytes2iovec(bs [][]byte) []Iovec {
iovecs := make([]Iovec, len(bs))
for i, b := range bs {
iovecs[i].SetLen(len(b))
// minIovec is the size of the small initial allocation used by
// Readv, Writev, etc.
//
// This small allocation gets stack allocated, which lets the
// common use case of len(iovs) <= minIovs avoid more expensive
// heap allocations.
const minIovec = 8
// appendBytes converts bs to Iovecs and appends them to vecs.
func appendBytes(vecs []Iovec, bs [][]byte) []Iovec {
for _, b := range bs {
var v Iovec
v.SetLen(len(b))
if len(b) > 0 {
iovecs[i].Base = &b[0]
v.Base = &b[0]
} else {
iovecs[i].Base = (*byte)(unsafe.Pointer(&_zero))
v.Base = (*byte)(unsafe.Pointer(&_zero))
}
vecs = append(vecs, v)
}
return iovecs
return vecs
}
// offs2lohi splits offs into its lower and upper unsigned long. On 64-bit
// systems, hi will always be 0. On 32-bit systems, offs will be split in half.
// preadv/pwritev chose this calling convention so they don't need to add a
// padding-register for alignment on ARM.
// offs2lohi splits offs into its low and high order bits.
func offs2lohi(offs int64) (lo, hi uintptr) {
return uintptr(offs), uintptr(uint64(offs) >> SizeofLong)
const longBits = SizeofLong * 8
return uintptr(offs), uintptr(uint64(offs) >> (longBits - 1) >> 1) // two shifts to avoid false positive in vet
}
func Readv(fd int, iovs [][]byte) (n int, err error) {
iovecs := bytes2iovec(iovs)
iovecs := make([]Iovec, 0, minIovec)
iovecs = appendBytes(iovecs, iovs)
n, err = readv(fd, iovecs)
readvRacedetect(iovecs, n, err)
return n, err
}
func Preadv(fd int, iovs [][]byte, offset int64) (n int, err error) {
iovecs := bytes2iovec(iovs)
iovecs := make([]Iovec, 0, minIovec)
iovecs = appendBytes(iovecs, iovs)
lo, hi := offs2lohi(offset)
n, err = preadv(fd, iovecs, lo, hi)
readvRacedetect(iovecs, n, err)
@@ -2010,7 +2021,8 @@ func Preadv(fd int, iovs [][]byte, offset int64) (n int, err error) {
}
func Preadv2(fd int, iovs [][]byte, offset int64, flags int) (n int, err error) {
iovecs := bytes2iovec(iovs)
iovecs := make([]Iovec, 0, minIovec)
iovecs = appendBytes(iovecs, iovs)
lo, hi := offs2lohi(offset)
n, err = preadv2(fd, iovecs, lo, hi, flags)
readvRacedetect(iovecs, n, err)
@@ -2037,7 +2049,8 @@ func readvRacedetect(iovecs []Iovec, n int, err error) {
}
func Writev(fd int, iovs [][]byte) (n int, err error) {
iovecs := bytes2iovec(iovs)
iovecs := make([]Iovec, 0, minIovec)
iovecs = appendBytes(iovecs, iovs)
if raceenabled {
raceReleaseMerge(unsafe.Pointer(&ioSync))
}
@@ -2047,7 +2060,8 @@ func Writev(fd int, iovs [][]byte) (n int, err error) {
}
func Pwritev(fd int, iovs [][]byte, offset int64) (n int, err error) {
iovecs := bytes2iovec(iovs)
iovecs := make([]Iovec, 0, minIovec)
iovecs = appendBytes(iovecs, iovs)
if raceenabled {
raceReleaseMerge(unsafe.Pointer(&ioSync))
}
@@ -2058,7 +2072,8 @@ func Pwritev(fd int, iovs [][]byte, offset int64) (n int, err error) {
}
func Pwritev2(fd int, iovs [][]byte, offset int64, flags int) (n int, err error) {
iovecs := bytes2iovec(iovs)
iovecs := make([]Iovec, 0, minIovec)
iovecs = appendBytes(iovecs, iovs)
if raceenabled {
raceReleaseMerge(unsafe.Pointer(&ioSync))
}