1 /* Copyright libuv contributors. All rights reserved. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to 5 * deal in the Software without restriction, including without limitation the 6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 7 * sell copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 19 * IN THE SOFTWARE. 20 */ 21 22 #include "task.h" 23 #include "uv.h" 24 25 static int done = 0; 26 static unsigned events = 0; 27 static unsigned result; 28 29 static unsigned fastrand(void) { 30 static unsigned g = 0; 31 g = g * 214013 + 2531011; 32 return g; 33 } 34 35 static void work_cb(uv_work_t* req) { 36 req->data = &result; 37 *(unsigned*)req->data = fastrand(); 38 } 39 40 static void after_work_cb(uv_work_t* req, int status) { 41 events++; 42 if (!done) 43 ASSERT_EQ(0, uv_queue_work(req->loop, req, work_cb, after_work_cb)); 44 } 45 46 static void timer_cb(uv_timer_t* handle) { done = 1; } 47 48 BENCHMARK_IMPL(queue_work) { 49 uv_timer_t timer_handle; 50 uv_work_t work; 51 uv_loop_t* loop; 52 int timeout; 53 54 loop = uv_default_loop(); 55 timeout = 5000; 56 57 ASSERT_EQ(0, uv_timer_init(loop, &timer_handle)); 58 ASSERT_EQ(0, uv_timer_start(&timer_handle, timer_cb, timeout, 0)); 59 60 ASSERT_EQ(0, uv_queue_work(loop, &work, work_cb, after_work_cb)); 61 ASSERT_EQ(0, uv_run(loop, UV_RUN_DEFAULT)); 62 63 printf("%s async jobs in %.1f seconds (%s/s)\n", fmt(events), timeout / 1000., 64 fmt(events / (timeout / 1000.))); 65 66 MAKE_VALGRIND_HAPPY(); 67 return 0; 68 } 69