This commit is contained in:
93
vendor/golang.org/x/sys/unix/syscall_darwin.go
generated
vendored
93
vendor/golang.org/x/sys/unix/syscall_darwin.go
generated
vendored
@ -602,6 +602,95 @@ func Connectx(fd int, srcIf uint32, srcAddr, dstAddr Sockaddr, associd SaeAssocI
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return
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}
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const minIovec = 8
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func Readv(fd int, iovs [][]byte) (n int, err error) {
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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n, err = readv(fd, iovecs)
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readvRacedetect(iovecs, n, err)
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return n, err
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}
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func Preadv(fd int, iovs [][]byte, offset int64) (n int, err error) {
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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n, err = preadv(fd, iovecs, offset)
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readvRacedetect(iovecs, n, err)
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return n, err
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}
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func Writev(fd int, iovs [][]byte) (n int, err error) {
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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if raceenabled {
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raceReleaseMerge(unsafe.Pointer(&ioSync))
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}
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n, err = writev(fd, iovecs)
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writevRacedetect(iovecs, n)
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return n, err
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}
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func Pwritev(fd int, iovs [][]byte, offset int64) (n int, err error) {
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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if raceenabled {
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raceReleaseMerge(unsafe.Pointer(&ioSync))
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}
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n, err = pwritev(fd, iovecs, offset)
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writevRacedetect(iovecs, n)
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return n, err
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}
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func appendBytes(vecs []Iovec, bs [][]byte) []Iovec {
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for _, b := range bs {
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var v Iovec
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v.SetLen(len(b))
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if len(b) > 0 {
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v.Base = &b[0]
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} else {
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v.Base = (*byte)(unsafe.Pointer(&_zero))
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}
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vecs = append(vecs, v)
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}
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return vecs
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}
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func writevRacedetect(iovecs []Iovec, n int) {
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if !raceenabled {
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return
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}
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for i := 0; n > 0 && i < len(iovecs); i++ {
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m := int(iovecs[i].Len)
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if m > n {
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m = n
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}
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n -= m
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if m > 0 {
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raceReadRange(unsafe.Pointer(iovecs[i].Base), m)
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}
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}
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}
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func readvRacedetect(iovecs []Iovec, n int, err error) {
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if !raceenabled {
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return
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}
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for i := 0; n > 0 && i < len(iovecs); i++ {
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m := int(iovecs[i].Len)
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if m > n {
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m = n
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}
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n -= m
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if m > 0 {
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raceWriteRange(unsafe.Pointer(iovecs[i].Base), m)
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}
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}
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if err == nil {
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raceAcquire(unsafe.Pointer(&ioSync))
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}
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}
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//sys connectx(fd int, endpoints *SaEndpoints, associd SaeAssocID, flags uint32, iov []Iovec, n *uintptr, connid *SaeConnID) (err error)
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//sys sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error)
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@ -705,3 +794,7 @@ func Connectx(fd int, srcIf uint32, srcAddr, dstAddr Sockaddr, associd SaeAssocI
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//sys write(fd int, p []byte) (n int, err error)
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//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
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//sys munmap(addr uintptr, length uintptr) (err error)
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//sys readv(fd int, iovecs []Iovec) (n int, err error)
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//sys preadv(fd int, iovecs []Iovec, offset int64) (n int, err error)
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//sys writev(fd int, iovecs []Iovec) (n int, err error)
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//sys pwritev(fd int, iovecs []Iovec, offset int64) (n int, err error)
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