1 files changed, 28 insertions, 20 deletions

diff --git a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
index 8a195ae..2e37c31 100644
--- a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
+++ b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
@@ -47,6 +47,10 @@ type SockaddrDatalink struct {
 	raw    RawSockaddrDatalink
 }
 
+func anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
+	return nil, EAFNOSUPPORT
+}
+
 // Translate "kern.hostname" to []_C_int{0,1,2,3}.
 func nametomib(name string) (mib []_C_int, err error) {
 	const siz = unsafe.Sizeof(mib[0])
@@ -91,16 +95,35 @@ func direntNamlen(buf []byte) (uint64, bool) {
 	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
 }
 
-//sysnb pipe() (r int, w int, err error)
+//sysnb	pipe() (r int, w int, err error)
 
 func Pipe(p []int) (err error) {
 	if len(p) != 2 {
 		return EINVAL
 	}
-	p[0], p[1], err = pipe()
+	r, w, err := pipe()
+	if err == nil {
+		p[0], p[1] = r, w
+	}
 	return
 }
 
+//sysnb	pipe2(p *[2]_C_int, flags int) (r int, w int, err error)
+
+func Pipe2(p []int, flags int) (err error) {
+	if len(p) != 2 {
+		return EINVAL
+	}
+	var pp [2]_C_int
+	// pipe2 on dragonfly takes an fds array as an argument, but still
+	// returns the file descriptors.
+	r, w, err := pipe2(&pp, flags)
+	if err == nil {
+		p[0], p[1] = r, w
+	}
+	return err
+}
+
 //sys	extpread(fd int, p []byte, flags int, offset int64) (n int, err error)
 func Pread(fd int, p []byte, offset int64) (n int, err error) {
 	return extpread(fd, p, 0, offset)
@@ -129,23 +152,8 @@ 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
@@ -168,7 +176,7 @@ func setattrlistTimes(path string, times []Timespec, flags int) error {
 
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)
 
-//sys   sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
+//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
 
 func sysctlUname(mib []_C_int, old *byte, oldlen *uintptr) error {
 	err := sysctl(mib, old, oldlen, nil, 0)
@@ -335,8 +343,8 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //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)
-//sys   munmap(addr uintptr, length uintptr) (err error)
+//sys	mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
+//sys	munmap(addr uintptr, length uintptr) (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)