[PATCH 1/3] msg: Remove redundant #include <sys/msg.h> header

[Lukasz Majewski]

The #include <sys/msg.h> is redundant as we do not use message specific
types for issuing syscalls to handle msg and shm. Only msgctl requires
this header.

Build tests:
./src/scripts/build-many-glibcs.py glibcs
---
 sysdeps/unix/sysv/linux/msgget.c | 1 -
 sysdeps/unix/sysv/linux/msgrcv.c | 1 -
 sysdeps/unix/sysv/linux/msgsnd.c | 1 -
 sysdeps/unix/sysv/linux/shmat.c  | 1 -
 sysdeps/unix/sysv/linux/shmdt.c  | 1 -
 sysdeps/unix/sysv/linux/shmget.c | 1 -
 6 files changed, 6 deletions(-)

diff --git a/sysdeps/unix/sysv/linux/msgget.c b/sysdeps/unix/sysv/linux/msgget.c
index 7968b738a4..f5ed417a1f 100644
--- a/sysdeps/unix/sysv/linux/msgget.c
+++ b/sysdeps/unix/sysv/linux/msgget.c
@@ -16,7 +16,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <sys/msg.h>
 #include <ipc_priv.h>
 #include <sysdep.h>
 #include <errno.h>
diff --git a/sysdeps/unix/sysv/linux/msgrcv.c b/sysdeps/unix/sysv/linux/msgrcv.c
index 95edc7a787..f3567033e2 100644
--- a/sysdeps/unix/sysv/linux/msgrcv.c
+++ b/sysdeps/unix/sysv/linux/msgrcv.c
@@ -16,7 +16,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <sys/msg.h>
 #include <ipc_priv.h>
 #include <sysdep-cancel.h>
 
diff --git a/sysdeps/unix/sysv/linux/msgsnd.c b/sysdeps/unix/sysv/linux/msgsnd.c
index 554516f2ca..6369782706 100644
--- a/sysdeps/unix/sysv/linux/msgsnd.c
+++ b/sysdeps/unix/sysv/linux/msgsnd.c
@@ -16,7 +16,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <sys/msg.h>
 #include <ipc_priv.h>
 #include <sysdep-cancel.h>
 
diff --git a/sysdeps/unix/sysv/linux/shmat.c b/sysdeps/unix/sysv/linux/shmat.c
index 3bc791c05f..89df350d84 100644
--- a/sysdeps/unix/sysv/linux/shmat.c
+++ b/sysdeps/unix/sysv/linux/shmat.c
@@ -16,7 +16,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <sys/msg.h>
 #include <ipc_priv.h>
 #include <sysdep.h>
 #include <errno.h>
diff --git a/sysdeps/unix/sysv/linux/shmdt.c b/sysdeps/unix/sysv/linux/shmdt.c
index c506064a48..48e223e037 100644
--- a/sysdeps/unix/sysv/linux/shmdt.c
+++ b/sysdeps/unix/sysv/linux/shmdt.c
@@ -16,7 +16,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <sys/msg.h>
 #include <ipc_priv.h>
 #include <sysdep.h>
 #include <errno.h>
diff --git a/sysdeps/unix/sysv/linux/shmget.c b/sysdeps/unix/sysv/linux/shmget.c
index 6f7ce8c057..71de81c365 100644
--- a/sysdeps/unix/sysv/linux/shmget.c
+++ b/sysdeps/unix/sysv/linux/shmget.c
@@ -16,7 +16,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <sys/msg.h>
 #include <ipc_priv.h>
 #include <sysdep.h>
 #include <errno.h>
-- 
2.20.1