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-rw-r--r--include/linux/posix-timers.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index f11f10c97bd9..e714a55e1ddd 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -240,6 +240,13 @@ static inline void posixtimer_sigqueue_putref(struct sigqueue *q)
posixtimer_putref(tmr);
}
+
+static inline bool posixtimer_valid(const struct k_itimer *timer)
+{
+ unsigned long val = (unsigned long)timer->it_signal;
+
+ return !(val & 0x1UL);
+}
#else /* CONFIG_POSIX_TIMERS */
static inline void posixtimer_sigqueue_getref(struct sigqueue *q) { }
static inline void posixtimer_sigqueue_putref(struct sigqueue *q) { }