| /* |
| * 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@ |
| */ |
| |
| #ifdef __linux__ |
| // for asprintf |
| #define _GNU_SOURCE 1 |
| #endif |
| #include <dispatch/dispatch.h> |
| #include <dispatch/private.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| #ifdef __APPLE__ |
| #include <libkern/OSAtomic.h> |
| #endif |
| |
| #include <bsdtests.h> |
| #include "dispatch_test.h" |
| |
| int32_t count = 0; |
| const int32_t final = 32; |
| |
| int |
| main(void) |
| { |
| dispatch_test_start("Dispatch Overcommit"); |
| |
| int i; |
| for (i = 0; i < final; ++i) { |
| char* name; |
| asprintf(&name, "test.overcommit.%d", i); |
| |
| dispatch_queue_t queue = dispatch_queue_create(name, NULL); |
| test_ptr_notnull("dispatch_queue_create", queue); |
| free(name); |
| dispatch_set_target_queue(queue, dispatch_get_global_queue(0, DISPATCH_QUEUE_OVERCOMMIT)); |
| |
| dispatch_async(queue, ^{ |
| OSAtomicIncrement32(&count); |
| if (count == final) { |
| test_long("count", count, final); |
| test_stop(); |
| } else { |
| while (1); // spin |
| } |
| }); |
| } |
| |
| dispatch_main(); |
| |
| return 0; |
| } |