3960
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1 /*
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2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 // no precompiled headers
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26 #include "runtime/atomic.hpp"
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27 #include "runtime/handles.inline.hpp"
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28 #include "runtime/mutexLocker.hpp"
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29 #include "runtime/os.hpp"
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30 #include "runtime/osThread.hpp"
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31 #include "runtime/safepoint.hpp"
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32 #include "runtime/vmThread.hpp"
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33 #ifdef TARGET_ARCH_x86
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34 # include "assembler_x86.inline.hpp"
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35 #endif
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36 #ifdef TARGET_ARCH_sparc
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37 # include "assembler_sparc.inline.hpp"
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38 #endif
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39 #ifdef TARGET_ARCH_zero
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40 # include "assembler_zero.inline.hpp"
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41 #endif
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42 #ifdef TARGET_ARCH_arm
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43 # include "assembler_arm.inline.hpp"
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44 #endif
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45 #ifdef TARGET_ARCH_ppc
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46 # include "assembler_ppc.inline.hpp"
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47 #endif
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48
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49
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50 void OSThread::pd_initialize() {
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51 assert(this != NULL, "check");
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52 _thread_id = NULL;
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53 _pthread_id = NULL;
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54 _siginfo = NULL;
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55 _ucontext = NULL;
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56 _expanding_stack = 0;
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57 _alt_sig_stack = NULL;
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58
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59 sigemptyset(&_caller_sigmask);
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60
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61 _startThread_lock = new Monitor(Mutex::event, "startThread_lock", true);
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62 assert(_startThread_lock !=NULL, "check");
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63 }
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64
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65 void OSThread::pd_destroy() {
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66 delete _startThread_lock;
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67 }
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