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/*
* Copyright (c) 2010-2011 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 <stdlib.h>
#include <stdio.h>
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#include <unistd.h>
#endif
#include <assert.h>
#include <bsdtests.h>
#include "dispatch_test.h"
#if DISPATCH_API_VERSION >= 20100825 && DISPATCH_API_VERSION != 20101110
static const char *ctxts[] = {"ctxt for app", "ctxt for key 1",
"ctxt for key 2", "ctxt for key 1 bis", "ctxt for key 4"};
volatile long ctxts_destroyed;
static dispatch_group_t g;
static void
destructor(void *ctxt)
{
fprintf(stderr, "destructor of %s\n", (char*)ctxt);
(void)__sync_add_and_fetch(&ctxts_destroyed, 1);
dispatch_group_leave(g);
}
static void
test_context_for_key(void)
{
g = dispatch_group_create();
dispatch_queue_t q = dispatch_queue_create("q", NULL);
#if DISPATCH_API_VERSION >= 20100518
dispatch_queue_t tq = dispatch_queue_create("tq", DISPATCH_QUEUE_CONCURRENT);
#else
dispatch_queue_t tq = dispatch_queue_create("tq", NULL);
dispatch_queue_set_width(tq, LONG_MAX);
#endif
dispatch_queue_t ttq = dispatch_get_global_queue(0, 0);
dispatch_group_enter(g);
#if DISPATCH_API_VERSION >= 20101011
dispatch_queue_set_specific(tq, &ctxts[4], (char *)ctxts[4], destructor);
#else
dispatch_set_context_for_key(tq, &ctxts[4], ctxts[4], ttq, destructor);
#endif
dispatch_set_target_queue(tq, ttq);
dispatch_group_enter(g);
dispatch_set_context(q, (char *)ctxts[0]);
dispatch_set_target_queue(q, tq);
dispatch_set_finalizer_f(q, destructor);
dispatch_async(q, ^{
dispatch_group_enter(g);
#if DISPATCH_API_VERSION >= 20101011
dispatch_queue_set_specific(q, &ctxts[1], (char *)ctxts[1], destructor);
#else
dispatch_set_context_for_key(q, &ctxts[1], ctxts[1], ttq, destructor);
#endif
});
dispatch_retain(q);
dispatch_async(dispatch_get_global_queue(0, 0), ^{
dispatch_group_enter(g);
#if DISPATCH_API_VERSION >= 20101011
dispatch_queue_set_specific(q, &ctxts[2], (char *)ctxts[2], destructor);
#else
dispatch_set_context_for_key(q, &ctxts[2], ctxts[2], ttq, destructor);
#endif
dispatch_async(dispatch_get_global_queue(0, 0), ^{
void *ctxt;
#if DISPATCH_API_VERSION >= 20101011
ctxt = dispatch_queue_get_specific(q, &ctxts[2]);
#else
ctxt = dispatch_get_context_for_key(q, &ctxts[2]);
#endif
test_ptr("get context for key 2", ctxt, ctxts[2]);
dispatch_release(q);
});
});
dispatch_async(q, ^{
void *ctxt;
#if DISPATCH_API_VERSION >= 20101011
ctxt = dispatch_get_specific(&ctxts[1]);
test_ptr("get current context for key 1", ctxt, ctxts[1]);
ctxt = dispatch_get_specific(&ctxts[4]);
test_ptr("get current context for key 4 (on target queue)", ctxt, ctxts[4]);
ctxt = dispatch_queue_get_specific(q, &ctxts[1]);
#else
ctxt = dispatch_get_context_for_key(tq, &ctxts[4]);
test_ptr("get context for key 4 (on target queue)", ctxt, ctxts[4]);
ctxt = dispatch_get_context_for_key(q, &ctxts[1]);
#endif
test_ptr("get context for key 1", ctxt, ctxts[1]);
});
dispatch_async(q, ^{
dispatch_group_enter(g);
void *ctxt;
#if DISPATCH_API_VERSION >= 20101011
dispatch_queue_set_specific(q, &ctxts[1], (char *)ctxts[3], destructor);
ctxt = dispatch_queue_get_specific(q, &ctxts[1]);
#else
dispatch_set_context_for_key(q, &ctxts[1], ctxts[3], ttq, destructor);
ctxt = dispatch_get_context_for_key(q, &ctxts[1]);
#endif
test_ptr("get context for key 1", ctxt, ctxts[3]);
});
dispatch_async(q, ^{
void *ctxt;
#if DISPATCH_API_VERSION >= 20101011
dispatch_queue_set_specific(q, &ctxts[1], NULL, destructor);
ctxt = dispatch_queue_get_specific(q, &ctxts[1]);
#else
dispatch_set_context_for_key(q, &ctxts[1], NULL, ttq, destructor);
ctxt = dispatch_get_context_for_key(q, &ctxts[1]);
#endif
test_ptr("get context for key 1", ctxt, NULL);
});
void *ctxt = dispatch_get_context(q);
test_ptr("get context for app", ctxt, ctxts[0]);
dispatch_release(tq);
dispatch_release(q);
dispatch_group_wait(g, DISPATCH_TIME_FOREVER);
test_long("contexts destroyed", ctxts_destroyed, 5);
dispatch_release(g);
}
#endif
int
main(void)
{
dispatch_test_start("Dispatch Queue Specific"); // rdar://problem/8429188
dispatch_async(dispatch_get_main_queue(), ^{
#if DISPATCH_API_VERSION >= 20100825 && DISPATCH_API_VERSION != 20101110
test_context_for_key();
#endif
test_stop();
});
dispatch_main();
}
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