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35 #include "ThreadIdentifierDataPthreads.h"
37 #include "Threading.h"
40 // PTHREAD_KEYS_MAX is not defined in bionic, so explicitly define it here.
41 #define PTHREAD_KEYS_MAX 1024
48 pthread_key_t ThreadIdentifierData::m_key = PTHREAD_KEYS_MAX;
50 void clearPthreadHandleForIdentifier(ThreadIdentifier);
52 ThreadIdentifierData::~ThreadIdentifierData()
54 clearPthreadHandleForIdentifier(m_identifier);
57 void ThreadIdentifierData::initializeOnce()
59 if (pthread_key_create(&m_key, destruct))
63 ThreadIdentifier ThreadIdentifierData::identifier()
65 ASSERT(m_key != PTHREAD_KEYS_MAX);
66 ThreadIdentifierData* threadIdentifierData = static_cast<ThreadIdentifierData*>(pthread_getspecific(m_key));
68 return threadIdentifierData ? threadIdentifierData->m_identifier : 0;
71 void ThreadIdentifierData::initialize(ThreadIdentifier id)
73 ASSERT(!identifier());
74 pthread_setspecific(m_key, new ThreadIdentifierData(id));
77 void ThreadIdentifierData::destruct(void* data)
79 ThreadIdentifierData* threadIdentifierData = static_cast<ThreadIdentifierData*>(data);
80 ASSERT(threadIdentifierData);
82 if (threadIdentifierData->m_isDestroyedOnce) {
83 delete threadIdentifierData;
87 threadIdentifierData->m_isDestroyedOnce = true;
88 // Re-setting the value for key causes another destruct() call after all other thread-specific destructors were called.
89 pthread_setspecific(m_key, threadIdentifierData);
94 #endif // USE(PTHREADS)