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generic compat_sys_sigaltstack()

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Again, conditional on CONFIG_GENERIC_SIGALTSTACK

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-12-14 14:47:53 -05:00
parent 6bf9adfc90
commit 9026843952
10 changed files with 67 additions and 67 deletions
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16
include/linux/compat.h
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@@ -68,6 +68,16 @@
#ifndef compat_user_stack_pointer
#define compat_user_stack_pointer() current_user_stack_pointer()
#endif
#ifdef CONFIG_GENERIC_SIGALTSTACK
#ifndef compat_sigaltstack /* we'll need that for MIPS */
typedef struct compat_sigaltstack {
compat_uptr_t ss_sp;
int ss_flags;
compat_size_t ss_size;
} compat_stack_t;
#endif
#endif
#define compat_jiffies_to_clock_t(x) \
(((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
@@ -632,6 +642,12 @@ asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
compat_off_t __user *offset, compat_size_t count);
#ifdef CONFIG_GENERIC_SIGALTSTACK
asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
compat_stack_t __user *uoss_ptr);
int compat_restore_altstack(const compat_stack_t __user *uss);
#endif
#else