diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-02 19:31:18 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-02 19:31:18 +0200 |
| commit | 7a81146204859c6f8d8daf3ab7a25af17dfecd5f (patch) | |
| tree | 6bcd14e38f8f44621521faf66565a97ee6ad461e /include/linux/signal.h | |
| parent | 96e46dcfb8534494859936b3da4f3018de53a53f (diff) | |
| parent | 089cf7f6ecb266b6a4164919a2e69bd2f938374a (diff) | |
Merge 5.3-rc7 into usb-next
We need the usb fixes in here for testing
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/signal.h')
| -rw-r--r-- | include/linux/signal.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h index b5d99482d3fe..1a5f88316b08 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -282,6 +282,9 @@ extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping); extern void exit_signals(struct task_struct *tsk); extern void kernel_sigaction(int, __sighandler_t); +#define SIG_KTHREAD ((__force __sighandler_t)2) +#define SIG_KTHREAD_KERNEL ((__force __sighandler_t)3) + static inline void allow_signal(int sig) { /* @@ -289,7 +292,17 @@ static inline void allow_signal(int sig) * know it'll be handled, so that they don't get converted to * SIGKILL or just silently dropped. */ - kernel_sigaction(sig, (__force __sighandler_t)2); + kernel_sigaction(sig, SIG_KTHREAD); +} + +static inline void allow_kernel_signal(int sig) +{ + /* + * Kernel threads handle their own signals. Let the signal code + * know signals sent by the kernel will be handled, so that they + * don't get silently dropped. + */ + kernel_sigaction(sig, SIG_KTHREAD_KERNEL); } static inline void disallow_signal(int sig) |