syscall: add syscall.Termios on dragonfly, openbsd

R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/55720043

src/pkg/syscall/types_dragonfly.go

@@ -18,6 +18,7 @@ package syscall
 #include <dirent.h>
 #include <fcntl.h>
 #include <signal.h>
+#include <termios.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/event.h>
@@ -239,3 +240,7 @@ type BpfProgram C.struct_bpf_program
 type BpfInsn C.struct_bpf_insn
 
 type BpfHdr C.struct_bpf_hdr
+
+// Terminal handling
+
+type Termios C.struct_termios

src/pkg/syscall/types_openbsd.go

@@ -18,6 +18,7 @@ package syscall
 #include <dirent.h>
 #include <fcntl.h>
 #include <signal.h>
+#include <termios.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/param.h>
@@ -237,3 +238,7 @@ type BpfInsn C.struct_bpf_insn
 type BpfHdr C.struct_bpf_hdr
 
 type BpfTimeval C.struct_bpf_timeval
+
+// Terminal handling
+
+type Termios C.struct_termios

src/pkg/syscall/ztypes_dragonfly_386.go

@@ -427,3 +427,13 @@ type BpfHdr struct {
 	Hdrlen    uint16
 	Pad_cgo_0 [2]byte
 }
+
+type Termios struct {
+	Iflag  uint32
+	Oflag  uint32
+	Cflag  uint32
+	Lflag  uint32
+	Cc     [20]uint8
+	Ispeed uint32
+	Ospeed uint32
+}

src/pkg/syscall/ztypes_dragonfly_amd64.go

@@ -433,3 +433,13 @@ type BpfHdr struct {
 	Hdrlen    uint16
 	Pad_cgo_0 [6]byte
 }
+
+type Termios struct {
+	Iflag  uint32
+	Oflag  uint32
+	Cflag  uint32
+	Lflag  uint32
+	Cc     [20]uint8
+	Ispeed uint32
+	Ospeed uint32
+}

src/pkg/syscall/ztypes_openbsd_386.go

@@ -427,3 +427,13 @@ type BpfTimeval struct {
 	Sec  uint32
 	Usec uint32
 }
+
+type Termios struct {
+	Iflag  uint32
+	Oflag  uint32
+	Cflag  uint32
+	Lflag  uint32
+	Cc     [20]uint8
+	Ispeed int32
+	Ospeed int32
+}

src/pkg/syscall/ztypes_openbsd_amd64.go

@@ -434,3 +434,13 @@ type BpfTimeval struct {
 	Sec  uint32
 	Usec uint32
 }
+
+type Termios struct {
+	Iflag  uint32
+	Oflag  uint32
+	Cflag  uint32
+	Lflag  uint32
+	Cc     [20]uint8
+	Ispeed int32
+	Ospeed int32
+}