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author | 2016-10-07 14:14:08 +0200 | |
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committer | 2016-10-07 14:14:08 +0200 | |
commit | 85f4741fcf642f52ac4fa56f0aff1728727c901b (patch) | |
tree | da8cca02913839152d2eb04c0e85a83018bcaed3 /3rdparty/libuv/test/benchmark-async-pummel.c | |
parent | ff01b716711b97c2fcaa709ea97f7650f106aa10 (diff) |
Remove libuv library (nw)
Diffstat (limited to '3rdparty/libuv/test/benchmark-async-pummel.c')
-rw-r--r-- | 3rdparty/libuv/test/benchmark-async-pummel.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/3rdparty/libuv/test/benchmark-async-pummel.c b/3rdparty/libuv/test/benchmark-async-pummel.c deleted file mode 100644 index cca3de1062b..00000000000 --- a/3rdparty/libuv/test/benchmark-async-pummel.c +++ /dev/null @@ -1,119 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "task.h" -#include "uv.h" - -#include <stdio.h> -#include <stdlib.h> - -#define NUM_PINGS (1000 * 1000) -#define ACCESS_ONCE(type, var) (*(volatile type*) &(var)) - -static unsigned int callbacks; -static volatile int done; - -static const char running[] = "running"; -static const char stop[] = "stop"; -static const char stopped[] = "stopped"; - - -static void async_cb(uv_async_t* handle) { - if (++callbacks == NUM_PINGS) { - /* Tell the pummel thread to stop. */ - ACCESS_ONCE(const char*, handle->data) = stop; - - /* Wait for for the pummel thread to acknowledge that it has stoppped. */ - while (ACCESS_ONCE(const char*, handle->data) != stopped) - uv_sleep(0); - - uv_close((uv_handle_t*) handle, NULL); - } -} - - -static void pummel(void* arg) { - uv_async_t* handle = (uv_async_t*) arg; - - while (ACCESS_ONCE(const char*, handle->data) == running) - uv_async_send(handle); - - /* Acknowledge that we've seen handle->data change. */ - ACCESS_ONCE(const char*, handle->data) = stopped; -} - - -static int test_async_pummel(int nthreads) { - uv_thread_t* tids; - uv_async_t handle; - uint64_t time; - int i; - - tids = calloc(nthreads, sizeof(tids[0])); - ASSERT(tids != NULL); - - ASSERT(0 == uv_async_init(uv_default_loop(), &handle, async_cb)); - ACCESS_ONCE(const char*, handle.data) = running; - - for (i = 0; i < nthreads; i++) - ASSERT(0 == uv_thread_create(tids + i, pummel, &handle)); - - time = uv_hrtime(); - - ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT)); - - time = uv_hrtime() - time; - done = 1; - - for (i = 0; i < nthreads; i++) - ASSERT(0 == uv_thread_join(tids + i)); - - printf("async_pummel_%d: %s callbacks in %.2f seconds (%s/sec)\n", - nthreads, - fmt(callbacks), - time / 1e9, - fmt(callbacks / (time / 1e9))); - - free(tids); - - MAKE_VALGRIND_HAPPY(); - return 0; -} - - -BENCHMARK_IMPL(async_pummel_1) { - return test_async_pummel(1); -} - - -BENCHMARK_IMPL(async_pummel_2) { - return test_async_pummel(2); -} - - -BENCHMARK_IMPL(async_pummel_4) { - return test_async_pummel(4); -} - - -BENCHMARK_IMPL(async_pummel_8) { - return test_async_pummel(8); -} |