root/VMPI/ThreadsPosix.cpp

DEFINITIONS

1. VMPI_tlsCreate
2. VMPI_tlsDestroy
3. VMPI_tlsSetValue
4. VMPI_tlsGetValue
5. VMPI_currentThread

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is [Open Source Virtual Machine.].
*
* The Initial Developer of the Original Code is
* Adobe System Incorporated.
* Portions created by the Initial Developer are Copyright (C) 2004-2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*   Adobe AS3 Team
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */

#include "MMgc.h"

#include <pthread.h>

bool VMPI_tlsCreate(uintptr_t* tlsId)
{
        pthread_key_t key;
        const int r = pthread_key_create(&key, NULL);
        
        if(r == 0)
        {
                // we expect the value to default to zero
                GCAssert(pthread_getspecific(key) == 0);
                *tlsId = (uintptr_t) key;
                return true;
        }

        return false;
}

void VMPI_tlsDestroy(uintptr_t tlsId)
{
        pthread_key_delete((pthread_key_t)tlsId);
}

bool VMPI_tlsSetValue(uintptr_t tlsId, void* value)
{
        const int r = pthread_setspecific((pthread_key_t)tlsId, value);
        GCAssert(pthread_getspecific((pthread_key_t)tlsId) == value);
        return (r == 0);
}

void* VMPI_tlsGetValue(uintptr_t tlsId)
{
        return pthread_getspecific((pthread_key_t)tlsId);
}

vmpi_thread_t VMPI_currentThread()
{
        return (void*)pthread_self();
}