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67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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* Copyright (c) 2008-2011 Apple Inc. All rights reserved.
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*
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* @APPLE_APACHE_LICENSE_HEADER_START@
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @APPLE_APACHE_LICENSE_HEADER_END@
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*/
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#include <dispatch/dispatch.h>
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#include <stdio.h>
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#include <bsdtests.h>
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#include "dispatch_test.h"
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uint32_t count = 0;
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const uint32_t final = 1000000; // 10M
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static void
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pingpongloop(dispatch_group_t group, dispatch_queue_t ping, dispatch_queue_t pong, size_t counter)
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{
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//printf("[%p] %s: %lu\n", (void*)(uintptr_t)pthread_self(), dispatch_queue_get_label(dispatch_get_current_queue()), counter);
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if (counter < final) {
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dispatch_group_async(group, pong, ^{ pingpongloop(group, pong, ping, counter+1); });
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} else {
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count = (uint32_t)counter;
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}
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}
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int
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main(void)
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{
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dispatch_test_start("Dispatch Ping Pong");
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dispatch_queue_t ping = dispatch_queue_create("ping", NULL);
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test_ptr_notnull("dispatch_queue_create(ping)", ping);
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dispatch_queue_t pong = dispatch_queue_create("pong", NULL);
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test_ptr_notnull("dispatch_queue_create(pong)", pong);
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dispatch_group_t group = dispatch_group_create();
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test_ptr_notnull("dispatch_group_create", group);
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pingpongloop(group, ping, pong, 0);
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dispatch_group_wait(group, DISPATCH_TIME_FOREVER);
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test_long("count", count, final);
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dispatch_release(ping);
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dispatch_release(pong);
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dispatch_release(group);
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test_stop();
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return 0;
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}
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