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Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/shmctl.c')
-rw-r--r--REORG.TODO/sysdeps/unix/sysv/linux/shmctl.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/shmctl.c b/REORG.TODO/sysdeps/unix/sysv/linux/shmctl.c
new file mode 100644
index 0000000000..96365b51fc
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/shmctl.c
@@ -0,0 +1,73 @@
+/* Copyright (C) 1995-2017 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 <sys/shm.h>
+#include <stdarg.h>
+#include <ipc_priv.h>
+#include <sysdep.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 __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+  return INLINE_SYSCALL_CALL (shmctl, shmid, cmd | __IPC_64, buf);
+#else
+  return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd | __IPC_64, 0,
+			      buf);
+#endif
+}
+versioned_symbol (libc, __new_shmctl, shmctl, DEFAULT_VERSION);
+
+
+#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
+struct __old_shmid_ds
+{
+  struct __old_ipc_perm shm_perm;	/* operation permission struct */
+  int shm_segsz;			/* size of segment in bytes */
+  __time_t shm_atime;			/* time of last shmat() */
+  __time_t shm_dtime;			/* time of last shmdt() */
+  __time_t shm_ctime;			/* time of last change by shmctl() */
+  __ipc_pid_t shm_cpid;			/* pid of creator */
+  __ipc_pid_t shm_lpid;			/* pid of last shmop */
+  unsigned short int shm_nattch;	/* number of current attaches */
+  unsigned short int __shm_npages;	/* size of segment (pages) */
+  unsigned long int *__shm_pages;	/* array of ptrs to frames -> SHMMAX */
+  struct vm_area_struct *__attaches;	/* descriptors for attaches */
+};
+
+int
+attribute_compat_text_section
+__old_shmctl (int shmid, int cmd, struct __old_shmid_ds *buf)
+{
+#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+  return INLINE_SYSCALL_CALL (shmctl, shmid, cmd, buf);
+#else
+  return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd, 0, buf);
+#endif
+}
+compat_symbol (libc, __old_shmctl, shmctl, GLIBC_2_0);
+#endif