diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-03 13:44:56 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-05-14 18:37:45 (GMT) |
| commit | 6a12bc3add6b316558fd23459201ce6f60fe6af7 (patch) | |
| tree | 1c62f09e5d4fcc4a5f28e8298ae7ae1c74aded5f /include/linux | |
| parent | b6b7726f9e05f979aaeb2405eb76d3e1ac06d5b6 (diff) | |
| download | linux-fsl-qoriq-6a12bc3add6b316558fd23459201ce6f60fe6af7.tar.xz | |
signals: Allow rt tasks to cache one sigqueue struct
To avoid allocation allow rt tasks to cache one sigqueue struct in
task struct.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/sched.h | 1 | ||||
| -rw-r--r-- | include/linux/signal.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 230094d..4d58a49 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1204,6 +1204,7 @@ struct task_struct { /* signal handlers */ struct signal_struct *signal; struct sighand_struct *sighand; + struct sigqueue *sigqueue_cache; sigset_t blocked, real_blocked; sigset_t saved_sigmask; /* restored if set_restore_sigmask() was used */ diff --git a/include/linux/signal.h b/include/linux/signal.h index 2ac423b..1414eb2 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -226,6 +226,7 @@ static inline void init_sigpending(struct sigpending *sig) } extern void flush_sigqueue(struct sigpending *queue); +extern void flush_task_sigqueue(struct task_struct *tsk); /* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */ static inline int valid_signal(unsigned long sig) |