| 1 | #include <glib.h> |
|---|---|
| 2 | |
| 3 | #define ITERATIONS 100000000 |
| 4 | |
| 5 | static void |
| 6 | test_bitlocks (void) |
| 7 | { |
| 8 | guint64 start = g_get_monotonic_time (); |
| 9 | gint lock = 0; |
| 10 | gint i; |
| 11 | |
| 12 | for (i = 0; i < ITERATIONS; i++) |
| 13 | { |
| 14 | g_bit_lock (address: &lock, lock_bit: 0); |
| 15 | g_bit_unlock (address: &lock, lock_bit: 0); |
| 16 | } |
| 17 | |
| 18 | { |
| 19 | gdouble elapsed; |
| 20 | gdouble rate; |
| 21 | |
| 22 | elapsed = g_get_monotonic_time () - start; |
| 23 | elapsed /= 1000000; |
| 24 | rate = ITERATIONS / elapsed; |
| 25 | |
| 26 | g_test_maximized_result (maximized_quantity: rate, format: "iterations per second"); |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | int |
| 31 | main (int argc, char **argv) |
| 32 | { |
| 33 | g_test_init (argc: &argc, argv: &argv, NULL); |
| 34 | |
| 35 | if (g_test_perf ()) |
| 36 | g_test_add_func (testpath: "/bitlock/performance/uncontended", test_func: test_bitlocks); |
| 37 | |
| 38 | return g_test_run (); |
| 39 | } |
| 40 |