[PATCH 2/2] Add ifndefs

[Marin Ramesa]

Finish up with the addition of ifndefs.

* device/buf.h: Add ifndef.
* device/dev_master.h: Likewise.
* include/device/tty_status.h: Likewise.
* include/mach/version.h: Likewise.
* ipc/ipc_machdep.h: Likewise.

---
 device/buf.h                | 5 +++++
 device/dev_master.h         | 5 +++++
 include/device/tty_status.h | 5 +++++
 include/mach/version.h      | 5 +++++
 ipc/ipc_machdep.h           | 4 ++++
 5 files changed, 24 insertions(+)

diff --git a/device/buf.h b/device/buf.h
index 80466c8..806eb8d 100644
--- a/device/buf.h
+++ b/device/buf.h
@@ -30,6 +30,9 @@
  *     Definitions to make new IO structures look like old ones
  */
 
+#ifndef _DEVICE_BUF_H_
+#define _DEVICE_BUF_H_
+
 /*
  * io_req and fields
  */
@@ -100,3 +103,5 @@ extern void minphys(io_req_t);
  */
 #define        biodone iodone
 #define biowait iowait
+
+#endif /* _DEVICE_BUF_H_ */
diff --git a/device/dev_master.h b/device/dev_master.h
index 964ae82..6ad1152 100644
--- a/device/dev_master.h
+++ b/device/dev_master.h
@@ -30,6 +30,9 @@
  *     Bind an IO operation to the master CPU.
  */
 
+#ifndef _DEVICE_DEV_MASTER_H_
+#define _DEVICE_DEV_MASTER_H_
+
 #include <cpus.h>
 
 #if    NCPUS > 1
@@ -58,3 +61,5 @@
 #define        io_release_master()
 
 #endif NCPUS > 1
+
+#endif /* _DEVICE_DEV_MASTER_H_ */
diff --git a/include/device/tty_status.h b/include/device/tty_status.h
index 15249a4..2eed5d0 100644
--- a/include/device/tty_status.h
+++ b/include/device/tty_status.h
@@ -30,6 +30,9 @@
  *     Status information for tty.
  */
 
+#ifndef _DEVICE_TTY_STATUS_H_
+#define _DEVICE_TTY_STATUS_H_
+
 struct tty_status {
        int     tt_ispeed;              /* input speed */
        int     tt_ospeed;              /* output speed */
@@ -127,3 +130,5 @@ struct tty_status {
                                        /* clear break condition */
 #define TTY_SET_TRANSLATION    (dev_flavor_t)(('t'<<16) + 8)
                                        /* set translation table */
+
+#endif /* _DEVICE_TTY_STATUS_H_ */
diff --git a/include/mach/version.h b/include/mach/version.h
index ec12ea7..3ef7859 100644
--- a/include/mach/version.h
+++ b/include/mach/version.h
@@ -43,6 +43,9 @@
  *             minor 0.
  */
 
+#ifndef _MACH_VERSION_H_
+#define _MACH_VERSION_H_
+
 #define KERNEL_MAJOR_VERSION   4
 #define KERNEL_MINOR_VERSION   0
 
@@ -66,3 +69,5 @@
  * excised from the CSD environment.
  */
 #define        INCLUDE_VERSION 0
+
+#endif /* _MACH_VERSION_H_ */
diff --git a/ipc/ipc_machdep.h b/ipc/ipc_machdep.h
index e864c4b..c205ba4 100755
--- a/ipc/ipc_machdep.h
+++ b/ipc/ipc_machdep.h
@@ -24,6 +24,9 @@
  * the rights to redistribute these changes.
  */
 
+#ifndef _IPC_IPC_MACHDEP_H_
+#define _IPC_IPC_MACHDEP_H_
+
 /*
  * At times, we need to know the size of a port in bits
  */
@@ -38,3 +41,4 @@
 #define        PORT_T_SIZE_IN_BITS     32
 #endif
 
+#endif /* _IPC_IPC_MACHDEP_H_ */
-- 
1.8.1.4