[12/15] Consolidate Linux shmctl implementation

diff --git a/sysdeps/unix/sysv/linux/alpha/shmctl.c b/sysdeps/unix/sysv/linux/alpha/shmctl.c
deleted file mode 100644
index f73ed6f..0000000
--- a/sysdeps/unix/sysv/linux/alpha/shmctl.c
+++ /dev/null
@@ -1 +0,0 @@ 
-#include <sysdeps/unix/sysv/linux/arm/shmctl.c>
diff --git a/sysdeps/unix/sysv/linux/arm/shmctl.c b/sysdeps/unix/sysv/linux/arm/shmctl.c
deleted file mode 100644
index 23c4b8d..0000000
--- a/sysdeps/unix/sysv/linux/arm/shmctl.c
+++ /dev/null
@@ -1,34 +0,0 @@ 
-/* Copyright (C) 1995-2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <sys/shm.h>
-#include <ipc_priv.h>
-#include <sysdep.h>
-#include <sys/syscall.h>
-#include <bits/wordsize.h>
-
-
-int
-__new_shmctl (int shmid, int cmd, struct shmid_ds *buf)
-{
-  return INLINE_SYSCALL (shmctl, 3, shmid, cmd | __IPC_64, buf);
-}
-
-#include <shlib-compat.h>
-versioned_symbol (libc, __new_shmctl, shmctl, GLIBC_2_2);
diff --git a/sysdeps/unix/sysv/linux/microblaze/shmctl.c b/sysdeps/unix/sysv/linux/microblaze/shmctl.c
deleted file mode 100644
index f73ed6f..0000000
--- a/sysdeps/unix/sysv/linux/microblaze/shmctl.c
+++ /dev/null
@@ -1 +0,0 @@ 
-#include <sysdeps/unix/sysv/linux/arm/shmctl.c>
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/shmctl.c b/sysdeps/unix/sysv/linux/mips/mips64/shmctl.c
index ea0fa94..8a82697 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/shmctl.c
+++ b/sysdeps/unix/sysv/linux/mips/mips64/shmctl.c
@@ -15,18 +15,5 @@ 
    License along with the GNU C Library.  If not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
-#include <sys/shm.h>
-#include <ipc_priv.h>
-#include <sysdep.h>
-
-int __shmctl (int shmid, int cmd, struct shmid_ds *buf);
-
-int
-__shmctl (int shmid, int cmd, struct shmid_ds *buf)
-{
-  return INLINE_SYSCALL (shmctl, 3, shmid, cmd | __IPC_64, buf);
-}
-
-#include <shlib-compat.h>
-versioned_symbol (libc, __shmctl, shmctl, GLIBC_2_0);
+#define DEFAULT_VERSION GLIBC_2_0
+#include <./sysdeps/unix/sysv/linux/shmctl.c>
diff --git a/sysdeps/unix/sysv/linux/shmctl.c b/sysdeps/unix/sysv/linux/shmctl.c
index b2caf75..43e4075 100644
--- a/sysdeps/unix/sysv/linux/shmctl.c
+++ b/sysdeps/unix/sysv/linux/shmctl.c
@@ -16,18 +16,35 @@ 
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
 #include <sys/shm.h>
+#include <stdarg.h>
 #include <ipc_priv.h>
-
 #include <sysdep.h>
-#include <string.h>
-#include <sys/syscall.h>
-#include <bits/wordsize.h>
 #include <shlib-compat.h>
+#include <errno.h>
+
+
+#ifndef DEFAULT_VERSION
+# define DEFAULT_VERSION GLIBC_2_2
+#endif
+
+
+/* Provide operations to control over shared memory segments.  */
+int
+__new_shmctl (int shmid, int cmd, struct shmid_ds *buf)
+{
+#ifdef __NR_shmctl
+  return INLINE_SYSCALL_CALL (shmctl, shmid, cmd, buf);
+#else
+  return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd | __IPC_64, 0,
+			      buf);
+#endif
+}
+versioned_symbol (libc, __new_shmctl, shmctl, DEFAULT_VERSION);
 
-#include <kernel-features.h>
 
+#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) \
+    && defined (__NR_ipc)
 struct __old_shmid_ds
 {
   struct __old_ipc_perm shm_perm;	/* operation permission struct */
@@ -43,36 +60,11 @@  struct __old_shmid_ds
   struct vm_area_struct *__attaches;	/* descriptors for attaches */
 };
 
-struct __old_shminfo
-{
-  int shmmax;
-  int shmmin;
-  int shmmni;
-  int shmseg;
-  int shmall;
-};
-
-/* Provide operations to control over shared memory segments.  */
-#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
-int __old_shmctl (int, int, struct __old_shmid_ds *);
-#endif
-int __new_shmctl (int, int, struct shmid_ds *);
-
-#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
 int
 attribute_compat_text_section
 __old_shmctl (int shmid, int cmd, struct __old_shmid_ds *buf)
 {
-  return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd, 0, buf);
+  return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd, 0, buf);
 }
 compat_symbol (libc, __old_shmctl, shmctl, GLIBC_2_0);
 #endif
-
-int
-__new_shmctl (int shmid, int cmd, struct shmid_ds *buf)
-{
-  return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd | __IPC_64, 0,
-			 buf);
-}
-
-versioned_symbol (libc, __new_shmctl, shmctl, GLIBC_2_2);