diff options
| author |   Al Viro <viro@zeniv.linux.org.uk> | 2012-11-07 15:11:25 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-03 15:09:26 -0500 |
| commit | 2ce5da17570771330f44ac993b77749debf7954b (patch) | |
| tree | 4ee9e964ed69b5ae4c8d05a5c33fe2237c9e23b2 | |
| parent | new helper: get_signal() (diff) | |
| download | linux-dev-2ce5da17570771330f44ac993b77749debf7954b.tar.xz linux-dev-2ce5da17570771330f44ac993b77749debf7954b.zip | |
new helper: signal_setup_done()
usual "call force_sigsegv or signal_delivered" logics. Takes
ksignal instead of separate siginfo/k_sigaction.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | include/linux/signal.h | 1 | ||||
| -rw-r--r-- | kernel/signal.c | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h index 7c2744198dba..a2dcb94ea49d 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -286,6 +286,7 @@ struct ksignal { }; 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); diff --git a/kernel/signal.c b/kernel/signal.c index 79998f5b0f11..775f5552fa0e 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2396,6 +2396,15 @@ void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, tracehook_signal_handler(sig, info, ka, regs, stepping); } +void signal_setup_done(int failed, struct ksignal *ksig, int stepping) +{ + if (failed) + force_sigsegv(ksig->sig, current); + else + signal_delivered(ksig->sig, &ksig->info, &ksig->ka, + signal_pt_regs(), stepping); +} + /* * It could be that complete_signal() picked us to notify about the * group-wide signal. Other threads should be notified now to take |