posix-cpu-timers: Move state tracking to struct posix_cputimers

[sfrench/cifs-2.6.git] / include / linux / posix-timers.h

diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index 3ea920e8fe7f299091d584ee29a77e8b278ab501..a9e3f69d2db4d1c08d97b740f227ab1d31169cca 100644 (file)
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -77,15 +77,23 @@ struct posix_cputimer_base {
 /**
  * posix_cputimers - Container for posix CPU timer related data
  * @bases:             Base container for posix CPU clocks
+ * @timers_active:     Timers are queued.
+ * @expiry_active:     Timer expiry is active. Used for
+ *                     process wide timers to avoid multiple
+ *                     task trying to handle expiry concurrently
  *
  * Used in task_struct and signal_struct
  */
 struct posix_cputimers {
        struct posix_cputimer_base      bases[CPUCLOCK_MAX];
+       unsigned int                    timers_active;
+       unsigned int                    expiry_active;
 };
 
 static inline void posix_cputimers_init(struct posix_cputimers *pct)
 {
+       pct->timers_active = 0;
+       pct->expiry_active = 0;
        pct->bases[0].nextevt = U64_MAX;
        pct->bases[1].nextevt = U64_MAX;
        pct->bases[2].nextevt = U64_MAX;