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generic sys_sigaction() and compat_sys_sigaction()

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conditional on OLD_SIGACTION/COMPAT_OLD_SIGACTION

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-25 19:09:45 -05:00
parent 08d32fe504
commit 495dfbf767
5 changed files with 117 additions and 0 deletions
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14
include/linux/compat.h
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@ -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)