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Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/shmctl.c')
-rw-r--r--sysdeps/unix/sysv/linux/alpha/shmctl.c135
1 files changed, 0 insertions, 135 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/shmctl.c b/sysdeps/unix/sysv/linux/alpha/shmctl.c
deleted file mode 100644
index e63211fa00..0000000000
--- a/sysdeps/unix/sysv/linux/alpha/shmctl.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* Copyright (C) 1995,1997,1998,2000,2003,2006 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <errno.h>
-#include <sys/shm.h>
-#include <ipc_priv.h>
-
-#include <sysdep.h>
-#include <string.h>
-#include <sys/syscall.h>
-#include <bits/wordsize.h>
-#include <bp-checks.h>
-
-#include <kernel-features.h>
-
-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 *__unbounded __shm_pages; /* array of ptrs to frames -> SHMMAX */
- struct vm_area_struct *__unbounded __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. */
-int __new_shmctl (int, int, struct shmid_ds *);
-
-int
-__new_shmctl (int shmid, int cmd, struct shmid_ds *buf)
-{
-#if __ASSUME_32BITUIDS > 0
- return INLINE_SYSCALL (shmctl, 3, shmid, cmd | __IPC_64, CHECK_1 (buf));
-#else
- switch (cmd) {
- case SHM_STAT:
- case IPC_STAT:
- case IPC_SET:
- case IPC_INFO:
- break;
- default:
- return INLINE_SYSCALL (shmctl, 3, shmid, cmd, CHECK_1 (buf));
- }
-
- {
- int save_errno = errno, result;
- struct __old_shmid_ds old;
-
- /* Unfortunately there is no way how to find out for sure whether
- we should use old or new shmctl. */
- result = INLINE_SYSCALL (shmctl, 3, shmid, cmd | __IPC_64, CHECK_1 (buf));
- if (result != -1 || errno != EINVAL)
- return result;
-
- __set_errno(save_errno);
- if (cmd == IPC_SET)
- {
- old.shm_perm.uid = buf->shm_perm.uid;
- old.shm_perm.gid = buf->shm_perm.gid;
- old.shm_perm.mode = buf->shm_perm.mode;
- if (old.shm_perm.uid != buf->shm_perm.uid ||
- old.shm_perm.gid != buf->shm_perm.gid)
- {
- __set_errno (EINVAL);
- return -1;
- }
- }
- result = INLINE_SYSCALL (shmctl, 3, shmid, cmd, __ptrvalue (&old));
- if (result != -1 && (cmd == SHM_STAT || cmd == IPC_STAT))
- {
- memset(buf, 0, sizeof(*buf));
- buf->shm_perm.__key = old.shm_perm.__key;
- buf->shm_perm.uid = old.shm_perm.uid;
- buf->shm_perm.gid = old.shm_perm.gid;
- buf->shm_perm.cuid = old.shm_perm.cuid;
- buf->shm_perm.cgid = old.shm_perm.cgid;
- buf->shm_perm.mode = old.shm_perm.mode;
- buf->shm_perm.__seq = old.shm_perm.__seq;
- buf->shm_atime = old.shm_atime;
- buf->shm_dtime = old.shm_dtime;
- buf->shm_ctime = old.shm_ctime;
- buf->shm_segsz = old.shm_segsz;
- buf->shm_nattch = old.shm_nattch;
- buf->shm_cpid = old.shm_cpid;
- buf->shm_lpid = old.shm_lpid;
- }
- else if (result != -1 && cmd == IPC_INFO)
- {
- struct __old_shminfo *oldi = (void *)&old;
- struct shminfo *i = (struct shminfo *)buf;
-
- memset(i, 0, sizeof(*i));
- i->shmmax = oldi->shmmax;
- i->shmmin = oldi->shmmin;
- i->shmmni = oldi->shmmni;
- i->shmseg = oldi->shmseg;
- i->shmall = oldi->shmall;
- }
- return result;
- }
-#endif
-}
-
-#include <shlib-compat.h>
-versioned_symbol (libc, __new_shmctl, shmctl, GLIBC_2_2);