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-rw-r--r--include/linux/signal.h29
1 files changed, 23 insertions, 6 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 1f5a16620693..38564e3e54c7 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -3,16 +3,13 @@
#include <linux/bug.h>
#include <linux/signal_types.h>
+#include <linux/string.h>
struct task_struct;
/* for sysctl */
extern int print_fatal_signals;
-#ifndef HAVE_ARCH_COPY_SIGINFO
-
-#include <linux/string.h>
-
static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
{
if (from->si_code < 0)
@@ -22,7 +19,21 @@ static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
memcpy(to, from, __ARCH_SI_PREAMBLE_SIZE + sizeof(from->_sifields._sigchld));
}
+int copy_siginfo_to_user(struct siginfo __user *to, const struct siginfo *from);
+
+enum siginfo_layout {
+ SIL_KILL,
+ SIL_TIMER,
+ SIL_POLL,
+ SIL_FAULT,
+ SIL_CHLD,
+ SIL_RT,
+#ifdef __ARCH_SIGSYS
+ SIL_SYS,
#endif
+};
+
+enum siginfo_layout siginfo_layout(int sig, int si_code);
/*
* Define some primitives to manipulate sigset_t.
@@ -246,8 +257,6 @@ 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 int do_sigtimedwait(const sigset_t *, siginfo_t *,
- const struct timespec *);
extern int sigprocmask(int, sigset_t *, sigset_t *);
extern void set_current_blocked(sigset_t *);
extern void __set_current_blocked(const sigset_t *);
@@ -385,10 +394,18 @@ int unhandled_signal(struct task_struct *tsk, int sig);
rt_sigmask(SIGCONT) | rt_sigmask(SIGCHLD) | \
rt_sigmask(SIGWINCH) | rt_sigmask(SIGURG) )
+#define SIG_SPECIFIC_SICODES_MASK (\
+ rt_sigmask(SIGILL) | rt_sigmask(SIGFPE) | \
+ rt_sigmask(SIGSEGV) | rt_sigmask(SIGBUS) | \
+ rt_sigmask(SIGTRAP) | rt_sigmask(SIGCHLD) | \
+ rt_sigmask(SIGPOLL) | rt_sigmask(SIGSYS) | \
+ SIGEMT_MASK )
+
#define sig_kernel_only(sig) siginmask(sig, SIG_KERNEL_ONLY_MASK)
#define sig_kernel_coredump(sig) siginmask(sig, SIG_KERNEL_COREDUMP_MASK)
#define sig_kernel_ignore(sig) siginmask(sig, SIG_KERNEL_IGNORE_MASK)
#define sig_kernel_stop(sig) siginmask(sig, SIG_KERNEL_STOP_MASK)
+#define sig_specific_sicodes(sig) siginmask(sig, SIG_SPECIFIC_SICODES_MASK)
#define sig_fatal(t, signr) \
(!siginmask(signr, SIG_KERNEL_IGNORE_MASK|SIG_KERNEL_STOP_MASK) && \