#include <signal.h>
#include <assert.h>
#include <stdlib.h>
+#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <poll.h>
static pthread_mutex_t rcu_gp_lock = PTHREAD_MUTEX_INITIALIZER;
-int gp_futex;
+int32_t gp_futex;
/*
* Global grace period counter.
*/
unsigned long rcu_gp_ctr = RCU_GP_ONLINE;
+/*
+ * Active attempts to check for reader Q.S. before calling futex().
+ */
+#define RCU_QS_ACTIVE_ATTEMPTS 100
+
/*
* Written to only by each individual reader. Read by both the reader and the
* writers.