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Issue 9328042: Move the thread local functions to the Thread class in runtime/platform (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Addressed review comments from asiva@ Created 8 years, 10 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4
5 #include "vm/isolate.h"
6
7 #include <errno.h>
8 #include <pthread.h>
9
10 #include "platform/assert.h"
11
12 namespace dart {
13
14 #define VALIDATE_PTHREAD_RESULT(result) \
15 if (result != 0) { \
16 FATAL2("pthread error: %d (%s)", result, strerror(result)); \
17 }
18
19
20 // The single pthread key which stores all the thread local data for a
21 // thread. Since an Isolate is the central repository for storing all
22 // isolate specific information a single pthread key is sufficient.
23 pthread_key_t isolate_key = PTHREAD_KEY_UNSET;
24
25
26 void Isolate::SetCurrent(Isolate* current) {
27 ASSERT(isolate_key != PTHREAD_KEY_UNSET);
28 int result = pthread_setspecific(isolate_key, current);
29 VALIDATE_PTHREAD_RESULT(result);
30 }
31
32
33 void Isolate::InitOnce() {
34 ASSERT(isolate_key == PTHREAD_KEY_UNSET);
35 int result = pthread_key_create(&isolate_key, NULL);
36 // Make sure creating a key was successful.
37 VALIDATE_PTHREAD_RESULT(result);
38 ASSERT(isolate_key != PTHREAD_KEY_UNSET);
39 create_callback_ = NULL;
40 }
41
42 } // namespace dart
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