diff -r 4f153a23adab -r 6d9efbef00a9 vendor/golang.org/x/sys/unix/syscall_bsd.go
--- a/vendor/golang.org/x/sys/unix/syscall_bsd.go	Mon Jun 07 20:58:18 2021 +0200
+++ b/vendor/golang.org/x/sys/unix/syscall_bsd.go	Sun Jul 11 10:35:56 2021 +0200
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
 // +build darwin dragonfly freebsd netbsd openbsd
 
 // BSD system call wrappers shared by *BSD based systems
@@ -18,6 +19,21 @@
 	"unsafe"
 )
 
+const ImplementsGetwd = true
+
+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
+}
+
 /*
  * Wrapped
  */
@@ -262,7 +278,7 @@
 		}
 		return sa, nil
 	}
-	return nil, EAFNOSUPPORT
+	return anyToSockaddrGOOS(fd, rsa)
 }
 
 func Accept(fd int) (nfd int, sa Sockaddr, err error) {
@@ -272,7 +288,7 @@
 	if err != nil {
 		return
 	}
-	if runtime.GOOS == "darwin" && len == 0 {
+	if (runtime.GOOS == "darwin" || runtime.GOOS == "ios") && len == 0 {
 		// Accepted socket has no address.
 		// This is likely due to a bug in xnu kernels,
 		// where instead of ECONNABORTED error socket
@@ -303,7 +319,7 @@
 	return anyToSockaddr(fd, &rsa)
 }
 
-//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
+//sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
 
 // GetsockoptString returns the string value of the socket option opt for the
 // socket associated with fd at the given socket level.
@@ -317,8 +333,8 @@
 	return string(buf[:vallen-1]), nil
 }
 
-//sys   recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
-//sys   sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
+//sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
+//sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
 
 func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
@@ -527,6 +543,23 @@
 	return &ci, nil
 }
 
+func SysctlTimeval(name string) (*Timeval, error) {
+	mib, err := sysctlmib(name)
+	if err != nil {
+		return nil, err
+	}
+
+	var tv Timeval
+	n := uintptr(unsafe.Sizeof(tv))
+	if err := sysctl(mib, (*byte)(unsafe.Pointer(&tv)), &n, nil, 0); err != nil {
+		return nil, err
+	}
+	if n != unsafe.Sizeof(tv) {
+		return nil, EIO
+	}
+	return &tv, nil
+}
+
 //sys	utimes(path string, timeval *[2]Timeval) (err error)
 
 func Utimes(path string, tv []Timeval) error {
@@ -594,7 +627,7 @@
 	return futimes(fd, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
 }
 
-//sys   poll(fds *PollFd, nfds int, timeout int) (n int, err error)
+//sys	poll(fds *PollFd, nfds int, timeout int) (n int, err error)
 
 func Poll(fds []PollFd, timeout int) (n int, err error) {
 	if len(fds) == 0 {