[PATCH v2 14/17] signal: make wants_signal() return bool

Christian Brauner
2018-06-01T13:24:11Z

wants_signal() already behaves like a boolean function. Let's actually
declare it as such too.

Signed-off-by: Christian Brauner <christian@brauner.io>
---
v1->v2:
* unchanged
v0->v1:
* patch added
---
kernel/signal.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index dd32a1ce58e2..8ee3e4a57117 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -883,16 +883,20 @@ static bool prepare_signal(int sig, struct task_struct *p, bool force)
* as soon as they're available, so putting the signal on the shared queue
* will be equivalent to sending it to one such thread.
*/
-static inline int wants_signal(int sig, struct task_struct *p)
+static inline bool wants_signal(int sig, struct task_struct *p)
{
if (sigismember(&p->blocked, sig))
- return 0;
+ return false;
+
if (p->flags & PF_EXITING)
- return 0;
+ return false;
+
if (sig == SIGKILL)
- return 1;
+ return true;
+
if (task_is_stopped_or_traced(p))
- return 0;
+ return false;
+
return task_curr(p) || !signal_pending(p);
}

--
2.17.0