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| author | Ingo Molnar <mingo@elte.hu> | 2006-03-27 13:16:24 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-27 20:44:49 +0400 |
| commit | 34f192c6527f20c47ccec239e7d51a27691b93fc (patch) | |
| tree | 6c80416cf6a170a193f829e414051cc618b15ee3 /include | |
| parent | 2eec9ad91f71a3dbacece5c4fb5adc09fad53a96 (diff) | |
| download | linux-34f192c6527f20c47ccec239e7d51a27691b93fc.tar.xz | |
[PATCH] lightweight robust futexes: compat
32-bit syscall compatibility support. (This patch also moves all futex
related compat functionality into kernel/futex_compat.c.)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Acked-by: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/compat.h | 18 | ||||
| -rw-r--r-- | include/linux/sched.h | 3 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index 24d659cdbafe..6d3a654be1ae 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -147,6 +147,24 @@ typedef struct compat_sigevent { } _sigev_un; } compat_sigevent_t; +struct compat_robust_list { + compat_uptr_t next; +}; + +struct compat_robust_list_head { + struct compat_robust_list list; + compat_long_t futex_offset; + compat_uptr_t list_op_pending; +}; + +extern void compat_exit_robust_list(struct task_struct *curr); + +asmlinkage long +compat_sys_set_robust_list(struct compat_robust_list_head __user *head, + compat_size_t len); +asmlinkage long +compat_sys_get_robust_list(int pid, compat_uptr_t *head_ptr, + compat_size_t __user *len_ptr); long compat_sys_semctl(int first, int second, int third, void __user *uptr); long compat_sys_msgsnd(int first, int second, int third, void __user *uptr); diff --git a/include/linux/sched.h b/include/linux/sched.h index fd4848f2d750..20b4f0372e44 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -874,6 +874,9 @@ struct task_struct { int cpuset_mem_spread_rotor; #endif struct robust_list_head __user *robust_list; +#ifdef CONFIG_COMPAT + struct compat_robust_list_head __user *compat_robust_list; +#endif atomic_t fs_excl; /* holding fs exclusive resources */ struct rcu_head rcu; |