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