1*5f2f4271Schristos /* Copyright libuv contributors. All rights reserved.
2*5f2f4271Schristos *
3*5f2f4271Schristos * Permission is hereby granted, free of charge, to any person obtaining a copy
4*5f2f4271Schristos * of this software and associated documentation files (the "Software"), to
5*5f2f4271Schristos * deal in the Software without restriction, including without limitation the
6*5f2f4271Schristos * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7*5f2f4271Schristos * sell copies of the Software, and to permit persons to whom the Software is
8*5f2f4271Schristos * furnished to do so, subject to the following conditions:
9*5f2f4271Schristos *
10*5f2f4271Schristos * The above copyright notice and this permission notice shall be included in
11*5f2f4271Schristos * all copies or substantial portions of the Software.
12*5f2f4271Schristos *
13*5f2f4271Schristos * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14*5f2f4271Schristos * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15*5f2f4271Schristos * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16*5f2f4271Schristos * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17*5f2f4271Schristos * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18*5f2f4271Schristos * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19*5f2f4271Schristos * IN THE SOFTWARE.
20*5f2f4271Schristos */
21*5f2f4271Schristos
22*5f2f4271Schristos #include "task.h"
23*5f2f4271Schristos #include "uv.h"
24*5f2f4271Schristos
25*5f2f4271Schristos static int done = 0;
26*5f2f4271Schristos static unsigned events = 0;
27*5f2f4271Schristos static unsigned result;
28*5f2f4271Schristos
fastrand(void)29*5f2f4271Schristos static unsigned fastrand(void) {
30*5f2f4271Schristos static unsigned g = 0;
31*5f2f4271Schristos g = g * 214013 + 2531011;
32*5f2f4271Schristos return g;
33*5f2f4271Schristos }
34*5f2f4271Schristos
work_cb(uv_work_t * req)35*5f2f4271Schristos static void work_cb(uv_work_t* req) {
36*5f2f4271Schristos req->data = &result;
37*5f2f4271Schristos *(unsigned*)req->data = fastrand();
38*5f2f4271Schristos }
39*5f2f4271Schristos
after_work_cb(uv_work_t * req,int status)40*5f2f4271Schristos static void after_work_cb(uv_work_t* req, int status) {
41*5f2f4271Schristos events++;
42*5f2f4271Schristos if (!done)
43*5f2f4271Schristos ASSERT_EQ(0, uv_queue_work(req->loop, req, work_cb, after_work_cb));
44*5f2f4271Schristos }
45*5f2f4271Schristos
timer_cb(uv_timer_t * handle)46*5f2f4271Schristos static void timer_cb(uv_timer_t* handle) { done = 1; }
47*5f2f4271Schristos
BENCHMARK_IMPL(queue_work)48*5f2f4271Schristos BENCHMARK_IMPL(queue_work) {
49*5f2f4271Schristos uv_timer_t timer_handle;
50*5f2f4271Schristos uv_work_t work;
51*5f2f4271Schristos uv_loop_t* loop;
52*5f2f4271Schristos int timeout;
53*5f2f4271Schristos
54*5f2f4271Schristos loop = uv_default_loop();
55*5f2f4271Schristos timeout = 5000;
56*5f2f4271Schristos
57*5f2f4271Schristos ASSERT_EQ(0, uv_timer_init(loop, &timer_handle));
58*5f2f4271Schristos ASSERT_EQ(0, uv_timer_start(&timer_handle, timer_cb, timeout, 0));
59*5f2f4271Schristos
60*5f2f4271Schristos ASSERT_EQ(0, uv_queue_work(loop, &work, work_cb, after_work_cb));
61*5f2f4271Schristos ASSERT_EQ(0, uv_run(loop, UV_RUN_DEFAULT));
62*5f2f4271Schristos
63*5f2f4271Schristos printf("%s async jobs in %.1f seconds (%s/s)\n", fmt(events), timeout / 1000.,
64*5f2f4271Schristos fmt(events / (timeout / 1000.)));
65*5f2f4271Schristos
66*5f2f4271Schristos MAKE_VALGRIND_HAPPY();
67*5f2f4271Schristos return 0;
68*5f2f4271Schristos }
69