X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Fbenchmark%2Fcommon-states.h;fp=tests%2Fbenchmark%2Fcommon-states.h;h=dfbbfe5b42beba3c6f2349e7e6044387039c2939;hp=0000000000000000000000000000000000000000;hb=9e4e7ad18c86159520b330fab94b93f7ab6d221c;hpb=c8c32a5208d6e624f9ae9466196e355269c611d5

diff --git a/tests/benchmark/common-states.h b/tests/benchmark/common-states.h
new file mode 100644
index 0000000..dfbbfe5
--- /dev/null
+++ b/tests/benchmark/common-states.h
@@ -0,0 +1,51 @@
+/* Common states for benchmarks. */
+
+#include <unistd.h>
+
+#include <urcu/uatomic.h>
+
+extern volatile int _test_go, _test_stop;
+
+static inline void complete_sleep(unsigned int seconds)
+{
+	while (seconds != 0) {
+		seconds = sleep(seconds);
+	}
+}
+
+static inline void begin_test(void)
+{
+	uatomic_store(&_test_go, 1, CMM_RELEASE);
+}
+
+static inline void end_test(void)
+{
+	uatomic_store(&_test_stop, 1, CMM_RELAXED);
+}
+
+static inline void test_for(unsigned int duration)
+{
+	begin_test();
+	complete_sleep(duration);
+	end_test();
+}
+
+static inline void wait_until_go(void)
+{
+	while (!uatomic_load(&_test_go, CMM_ACQUIRE))
+	{
+	}
+}
+
+/*
+ * returns 0 if test should end.
+ */
+static inline int test_duration_write(void)
+{
+	return !uatomic_load(&_test_stop, CMM_RELAXED);
+}
+
+static inline int test_duration_read(void)
+{
+	return !uatomic_load(&_test_stop, CMM_RELAXED);
+}