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-rw-r--r--include/linux/signal.h52
1 files changed, 49 insertions, 3 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 0a89ffc48466..a2dcb94ea49d 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -241,9 +241,6 @@ extern int do_send_sig_info(int sig, struct siginfo *info,
struct task_struct *p, bool group);
extern int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p);
extern int __group_send_sig_info(int, struct siginfo *, struct task_struct *);
-extern long do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig,
- siginfo_t *info);
-extern long do_sigpending(void __user *, unsigned long);
extern int do_sigtimedwait(const sigset_t *, siginfo_t *,
const struct timespec *);
extern int sigprocmask(int, sigset_t *, sigset_t *);
@@ -252,10 +249,59 @@ extern void __set_current_blocked(const sigset_t *);
extern int show_unhandled_signals;
extern int sigsuspend(sigset_t *);
+struct sigaction {
+#ifndef __ARCH_HAS_ODD_SIGACTION
+ __sighandler_t sa_handler;
+ unsigned long sa_flags;
+#else
+ unsigned long sa_flags;
+ __sighandler_t sa_handler;
+#endif
+#ifdef __ARCH_HAS_SA_RESTORER
+ __sigrestore_t sa_restorer;
+#endif
+ sigset_t sa_mask; /* mask last for extensibility */
+};
+
+struct k_sigaction {
+ struct sigaction sa;
+#ifdef __ARCH_HAS_KA_RESTORER
+ __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
+
+struct ksignal {
+ struct k_sigaction ka;
+ siginfo_t info;
+ int sig;
+};
+
extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie);
+extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping);
extern void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs, int stepping);
extern void exit_signals(struct task_struct *tsk);
+/*
+ * Eventually that'll replace get_signal_to_deliver(); macro for now,
+ * to avoid nastiness with include order.
+ */
+#define get_signal(ksig) \
+({ \
+ struct ksignal *p = (ksig); \
+ p->sig = get_signal_to_deliver(&p->info, &p->ka, \
+ signal_pt_regs(), NULL);\
+ p->sig > 0; \
+})
+
extern struct kmem_cache *sighand_cachep;
int unhandled_signal(struct task_struct *tsk, int sig);