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kumaneko |
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/* |
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* include/linux/ccs_compat.h |
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* |
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* For compatibility for older kernels. |
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* |
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* Copyright (C) 2005-2009 NTT DATA CORPORATION |
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* |
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* Version: 1.6.6-pre 2009/01/05 |
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* |
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* This file is applicable to both 2.4.30 and 2.6.11 and later. |
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* See README.ccs for ChangeLog. |
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* |
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*/ |
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#define false 0 |
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#define true 1 |
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#ifndef __user |
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#define __user |
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#endif |
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#ifndef current_uid |
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#define current_uid() (current->uid) |
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#endif |
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#ifndef current_gid |
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#define current_gid() (current->gid) |
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#endif |
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#ifndef current_euid |
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#define current_euid() (current->euid) |
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#endif |
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#ifndef current_egid |
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#define current_egid() (current->egid) |
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#endif |
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#ifndef current_suid |
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#define current_suid() (current->suid) |
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#endif |
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#ifndef current_sgid |
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#define current_sgid() (current->sgid) |
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#endif |
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#ifndef current_fsuid |
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#define current_fsuid() (current->fsuid) |
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#endif |
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#ifndef current_fsgid |
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#define current_fsgid() (current->fsgid) |
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#endif |
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#ifndef WARN_ON |
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#define WARN_ON(x) do { } while (0) |
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#endif |
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#ifndef DEFINE_SPINLOCK |
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#define DEFINE_SPINLOCK(x) spinlock_t x = SPIN_LOCK_UNLOCKED |
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#endif |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19) |
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#define bool _Bool |
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#endif |
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#ifndef KERN_CONT |
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#define KERN_CONT "" |
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#endif |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16) |
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#define mutex semaphore |
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#define mutex_init(mutex) init_MUTEX(mutex) |
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#define mutex_lock(mutex) down(mutex) |
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#define mutex_unlock(mutex) up(mutex) |
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#define mutex_lock_interruptible(mutex) down_interruptible(mutex) |
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#define DEFINE_MUTEX(mutexname) DECLARE_MUTEX(mutexname) |
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#endif |
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#ifndef container_of |
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#define container_of(ptr, type, member) ({ \ |
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const typeof(((type *)0)->member) *__mptr = (ptr); \ |
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(type *)((char *)__mptr - offsetof(type, member)); }) |
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#endif |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 14) |
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#define kzalloc(size, flags) ({ \ |
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void *ret = kmalloc((size), (flags)); \ |
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if (ret) \ |
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memset(ret, 0, (size)); \ |
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ret; }) |
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#endif |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0) |
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#define smp_read_barrier_depends smp_rmb |
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#endif |
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#ifndef ACCESS_ONCE |
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#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) |
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#endif |
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#ifndef rcu_dereference |
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#define rcu_dereference(p) ({ \ |
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typeof(p) _________p1 = ACCESS_ONCE(p); \ |
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smp_read_barrier_depends(); /* see RCU */ \ |
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(_________p1); \ |
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}) |
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#endif |
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#ifndef rcu_assign_pointer |
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#define rcu_assign_pointer(p, v) \ |
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({ \ |
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if (!__builtin_constant_p(v) || \ |
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((v) != NULL)) \ |
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smp_wmb(); /* see RCU */ \ |
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(p) = (v); \ |
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}) |
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#endif |
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#ifndef list_for_each_rcu |
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#define list_for_each_rcu(pos, head) \ |
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for (pos = rcu_dereference((head)->next); \ |
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prefetch(pos->next), pos != (head); \ |
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pos = rcu_dereference(pos->next)) |
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#endif |
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#ifndef list_for_each_entry_rcu |
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#define list_for_each_entry_rcu(pos, head, member) \ |
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for (pos = list_entry(rcu_dereference((head)->next), typeof(*pos), \ |
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member); \ |
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prefetch(pos->member.next), &pos->member != (head); \ |
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pos = list_entry(rcu_dereference(pos->member.next), \ |
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typeof(*pos), member)) |
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#endif |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0) |
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#define s_fs_info u.generic_sbp |
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#else |
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#include <linux/audit.h> |
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#ifdef AUDIT_APPARMOR_AUDIT |
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/* AppArmor patch adds "struct vfsmount" to VFS helper functions. */ |
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#define HAVE_VFSMOUNT_IN_VFS_HELPER |
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#endif |
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#endif |
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#if defined(RHEL_MAJOR) && RHEL_MAJOR == 5 |
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#define HAVE_NO_I_BLKSIZE_IN_INODE |
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#elif defined(AX_MAJOR) && AX_MAJOR == 3 |
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#define HAVE_NO_I_BLKSIZE_IN_INODE |
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#endif |
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#ifndef list_for_each_entry_safe |
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#define list_for_each_entry_safe(pos, n, head, member) \ |
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for (pos = list_entry((head)->next, typeof(*pos), member), \ |
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n = list_entry(pos->member.next, typeof(*pos), member); \ |
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&pos->member != (head); \ |
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pos = n, n = list_entry(n->member.next, typeof(*n), member)) |
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#endif |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0) |
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#define sk_family family |
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#define sk_protocol protocol |
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#define sk_type type |
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#define sk_receive_queue receive_queue |
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#endif |
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