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-rw-r--r--include/linux/compat.h50
1 files changed, 44 insertions, 6 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h
index dec7e2d1887..de095b0462a 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -68,7 +68,6 @@
#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;
@@ -76,7 +75,6 @@ typedef struct compat_sigaltstack {
compat_size_t ss_size;
} compat_stack_t;
#endif
-#endif
#define compat_jiffies_to_clock_t(x) \
(((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
@@ -142,6 +140,20 @@ typedef struct {
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
} compat_sigset_t;
+struct compat_sigaction {
+#ifndef __ARCH_HAS_ODD_SIGACTION
+ compat_uptr_t sa_handler;
+ compat_ulong_t sa_flags;
+#else
+ compat_ulong_t sa_flags;
+ compat_uptr_t sa_handler;
+#endif
+#ifdef __ARCH_HAS_SA_RESTORER
+ compat_uptr_t sa_restorer;
+#endif
+ compat_sigset_t sa_mask __packed;
+};
+
/*
* These functions operate strictly on struct compat_time*
*/
@@ -283,6 +295,15 @@ struct compat_robust_list_head {
compat_uptr_t list_op_pending;
};
+#ifdef CONFIG_COMPAT_OLD_SIGACTION
+struct compat_old_sigaction {
+ compat_uptr_t sa_handler;
+ compat_old_sigset_t sa_mask;
+ compat_ulong_t sa_flags;
+ compat_uptr_t sa_restorer;
+};
+#endif
+
struct compat_statfs;
struct compat_statfs64;
struct compat_old_linux_dirent;
@@ -367,6 +388,11 @@ int get_compat_sigevent(struct sigevent *event,
const struct compat_sigevent __user *u_event);
long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
struct compat_siginfo __user *uinfo);
+#ifdef CONFIG_COMPAT_OLD_SIGACTION
+asmlinkage long compat_sys_sigaction(int sig,
+ const struct compat_old_sigaction __user *act,
+ struct compat_old_sigaction __user *oact);
+#endif
static inline int compat_timeval_compare(struct compat_timeval *lhs,
struct compat_timeval *rhs)
@@ -401,7 +427,8 @@ asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
extern int compat_printk(const char *fmt, ...);
-extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
+extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat);
+extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set);
asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,
compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
@@ -503,7 +530,7 @@ asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
unsigned int nr_segs, unsigned int flags);
asmlinkage long compat_sys_open(const char __user *filename, int flags,
umode_t mode);
-asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename,
+asmlinkage long compat_sys_openat(int dfd, const char __user *filename,
int flags, umode_t mode);
asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
struct file_handle __user *handle,
@@ -592,6 +619,19 @@ asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese,
struct compat_timespec __user *uts, compat_size_t sigsetsize);
asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
compat_size_t sigsetsize);
+asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set,
+ compat_sigset_t __user *oset,
+ compat_size_t sigsetsize);
+asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset,
+ compat_size_t sigsetsize);
+#ifndef CONFIG_ODD_RT_SIGACTION
+asmlinkage long compat_sys_rt_sigaction(int,
+ const struct compat_sigaction __user *,
+ struct compat_sigaction __user *,
+ compat_size_t);
+#endif
+asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
+ struct compat_siginfo __user *uinfo);
asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
unsigned long arg);
@@ -642,13 +682,11 @@ 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);
int __compat_save_altstack(compat_stack_t __user *, unsigned long);
-#endif
asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
struct compat_timespec __user *interval);