Fix transitions for image_download and activation

Change-Id: I713ada52eef9d275c7d7596026e178c7382e8335
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_illumos_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_illumos_amd64.go
new file mode 100644
index 0000000..d3af083
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/zsyscall_illumos_amd64.go
@@ -0,0 +1,114 @@
+// go run mksyscall_solaris.go -illumos -tags illumos,amd64 syscall_illumos.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build illumos,amd64
+
+package unix
+
+import (
+	"unsafe"
+)
+
+//go:cgo_import_dynamic libc_readv readv "libc.so"
+//go:cgo_import_dynamic libc_preadv preadv "libc.so"
+//go:cgo_import_dynamic libc_writev writev "libc.so"
+//go:cgo_import_dynamic libc_pwritev pwritev "libc.so"
+//go:cgo_import_dynamic libc_accept4 accept4 "libsocket.so"
+//go:cgo_import_dynamic libc_pipe2 pipe2 "libc.so"
+
+//go:linkname procreadv libc_readv
+//go:linkname procpreadv libc_preadv
+//go:linkname procwritev libc_writev
+//go:linkname procpwritev libc_pwritev
+//go:linkname procaccept4 libc_accept4
+//go:linkname procpipe2 libc_pipe2
+
+var (
+	procreadv,
+	procpreadv,
+	procwritev,
+	procpwritev,
+	procaccept4,
+	procpipe2 syscallFunc
+)
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func readv(fd int, iovs []Iovec) (n int, err error) {
+	var _p0 *Iovec
+	if len(iovs) > 0 {
+		_p0 = &iovs[0]
+	}
+	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procreadv)), 3, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(iovs)), 0, 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func preadv(fd int, iovs []Iovec, off int64) (n int, err error) {
+	var _p0 *Iovec
+	if len(iovs) > 0 {
+		_p0 = &iovs[0]
+	}
+	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procpreadv)), 4, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(iovs)), uintptr(off), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func writev(fd int, iovs []Iovec) (n int, err error) {
+	var _p0 *Iovec
+	if len(iovs) > 0 {
+		_p0 = &iovs[0]
+	}
+	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procwritev)), 3, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(iovs)), 0, 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pwritev(fd int, iovs []Iovec, off int64) (n int, err error) {
+	var _p0 *Iovec
+	if len(iovs) > 0 {
+		_p0 = &iovs[0]
+	}
+	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procpwritev)), 4, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(iovs)), uintptr(off), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
+	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procaccept4)), 4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pipe2(p *[2]_C_int, flags int) (err error) {
+	_, _, e1 := rawSysvicall6(uintptr(unsafe.Pointer(&procpipe2)), 2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0, 0, 0, 0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}