diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-25 19:09:45 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-03 15:09:23 -0500 |
| commit | 495dfbf767553980dbd40a19a96a8ca5fa1be616 (patch) | |
| tree | 5c6d499f130f17abad2ee9407272d92e9192879a /include | |
| parent | 08d32fe504a7670cab3190c624448695adcf70e4 (diff) | |
generic sys_sigaction() and compat_sys_sigaction()
conditional on OLD_SIGACTION/COMPAT_OLD_SIGACTION
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/compat.h | 14 | ||||
| -rw-r--r-- | include/linux/signal.h | 9 | ||||
| -rw-r--r-- | include/linux/syscalls.h | 5 |
3 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index 0d53ab4f79c5..e20b8b404ae9 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -299,6 +299,15 @@ 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; @@ -383,6 +392,11 @@ 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) diff --git a/include/linux/signal.h b/include/linux/signal.h index 0b6878e882da..e28e8d455d6e 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -269,6 +269,15 @@ struct k_sigaction { __sigrestore_t ka_restorer; #endif }; + +#ifdef CONFIG_OLD_SIGACTION +struct old_sigaction { + __sighandler_t sa_handler; + old_sigset_t sa_mask; + unsigned long sa_flags; + __sigrestore_t sa_restorer; +}; +#endif extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie); extern void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs, int stepping); diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 1c4938bf901e..02b045012785 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -385,6 +385,11 @@ asmlinkage long sys_sigsuspend(old_sigset_t mask); asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask); #endif +#ifdef CONFIG_OLD_SIGACTION +asmlinkage long sys_sigaction(int, const struct old_sigaction __user *, + struct old_sigaction __user *); +#endif + #ifndef CONFIG_ODD_RT_SIGACTION asmlinkage long sys_rt_sigaction(int, const struct sigaction __user *, |