mirror of
https://github.com/libuv/libuv
synced 2025-03-28 21:13:16 +00:00
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "task.h"
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#include "uv.h"
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#include <stdio.h>
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#include <stdlib.h>
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#define NUM_PINGS (1000 * 1000)
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static unsigned int callbacks;
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static volatile int done;
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static void async_cb(uv_async_t* handle, int status) {
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if (++callbacks == NUM_PINGS)
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uv_close((uv_handle_t*) handle, NULL);
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}
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static void pummel(void* arg) {
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while (!done)
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uv_async_send((uv_async_t*) arg);
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}
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BENCHMARK_IMPL(async_pummel) {
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uv_async_t handle;
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uv_thread_t tid;
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uint64_t time;
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ASSERT(0 == uv_async_init(uv_default_loop(), &handle, async_cb));
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ASSERT(0 == uv_thread_create(&tid, pummel, &handle));
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time = uv_hrtime();
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ASSERT(0 == uv_run(uv_default_loop()));
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time = uv_hrtime() - time;
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done = 1;
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ASSERT(0 == uv_thread_join(&tid));
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printf("%s callbacks in %.2f seconds (%s/sec)\n",
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fmt(callbacks),
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time / 1e9,
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fmt(callbacks / (time / 1e9)));
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return 0;
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}
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