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Enhance test cases
[urcu.git]
/
urcu.c
diff --git
a/urcu.c
b/urcu.c
index 5514b278e4322b0f600a6d3427eab700057dc573..ac1a4d6c9314499d339fdd2a939479ec96deed5f 100644
(file)
--- a/
urcu.c
+++ b/
urcu.c
@@
-19,17
+19,21
@@
pthread_mutex_t urcu_mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t urcu_mutex = PTHREAD_MUTEX_INITIALIZER;
-/* Global grace period counter */
-int urcu_gp_ctr;
+/*
+ * Global grace period counter.
+ * Contains the current RCU_GP_CTR_BIT.
+ * Also has a RCU_GP_CTR_BIT of 1, to accelerate the reader fast path.
+ */
+long urcu_gp_ctr = RCU_GP_COUNT;
-
int
__thread urcu_active_readers;
+
long
__thread urcu_active_readers;
/* Thread IDs of registered readers */
#define INIT_NUM_THREADS 4
struct reader_data {
pthread_t tid;
/* Thread IDs of registered readers */
#define INIT_NUM_THREADS 4
struct reader_data {
pthread_t tid;
-
int
*urcu_active_readers;
+
long
*urcu_active_readers;
};
#ifdef DEBUG_YIELD
};
#ifdef DEBUG_YIELD
@@
-70,6
+74,12
@@
static void switch_next_urcu_qparity(void)
urcu_gp_ctr ^= RCU_GP_CTR_BIT;
}
urcu_gp_ctr ^= RCU_GP_CTR_BIT;
}
+#ifdef DEBUG_FULL_MB
+static void force_mb_all_threads(void)
+{
+ mb();
+}
+#else
static void force_mb_all_threads(void)
{
struct reader_data *index;
static void force_mb_all_threads(void)
{
struct reader_data *index;
@@
-98,6
+108,7
@@
static void force_mb_all_threads(void)
mb(); /* read sig_done before ending the barrier */
debug_yield_write();
}
mb(); /* read sig_done before ending the barrier */
debug_yield_write();
}
+#endif
void wait_for_quiescent_state(void)
{
void wait_for_quiescent_state(void)
{
@@
-213,6
+224,7
@@
void urcu_unregister_thread(void)
internal_urcu_unlock();
}
internal_urcu_unlock();
}
+#ifndef DEBUG_FULL_MB
void sigurcu_handler(int signo, siginfo_t *siginfo, void *context)
{
mb();
void sigurcu_handler(int signo, siginfo_t *siginfo, void *context)
{
mb();
@@
-245,3
+257,4
@@
void __attribute__((destructor)) urcu_exit(void)
assert(act.sa_sigaction == sigurcu_handler);
free(reader_data);
}
assert(act.sa_sigaction == sigurcu_handler);
free(reader_data);
}
+#endif
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