Mercurial > hg > truffle
annotate src/os/solaris/vm/osThread_solaris.hpp @ 1624:726b40449bd2
6939019: Source code adjustments for parfait compilation of hotspot
Summary: Minor source code adjustments for parfait compilation, since it uses different compiler vs. JDK
Reviewed-by: never, kamg
| author | zgu |
|---|---|
| date | Tue, 22 Jun 2010 09:46:15 -0400 |
| parents | c18cbe5936b8 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 // This is embedded via include into the class OSThread | |
| 26 | |
| 27 private: | |
| 28 | |
| 29 thread_t _thread_id; // Solaris thread id | |
| 30 unsigned int _lwp_id; // lwp ID, only used with bound threads | |
| 31 sigset_t _caller_sigmask; // Caller's signal mask | |
| 32 bool _vm_created_thread; // true if the VM create this thread | |
| 33 // false if primary thread or attached thread | |
| 34 public: | |
| 35 | |
| 36 thread_t thread_id() const { return _thread_id; } | |
| 37 | |
| 38 unsigned int lwp_id() const { return _lwp_id; } | |
| 39 | |
| 40 // Set and get state of _vm_created_thread flag | |
| 41 void set_vm_created() { _vm_created_thread = true; } | |
| 42 bool is_vm_created() { return _vm_created_thread; } | |
| 43 | |
| 44 // Methods to save/restore caller's signal mask | |
| 45 sigset_t caller_sigmask() const { return _caller_sigmask; } | |
| 46 void set_caller_sigmask(sigset_t sigmask) { _caller_sigmask = sigmask; } | |
| 47 | |
| 48 #ifndef PRODUCT | |
| 49 // Used for debugging, return a unique integer for each thread. | |
| 50 int thread_identifier() const { return _thread_id; } | |
| 51 #endif | |
| 52 #ifdef ASSERT | |
| 53 // On solaris reposition can fail in two ways: | |
| 54 // 1: a mismatched pc, because signal is delivered too late, target thread | |
| 55 // is resumed. | |
| 56 // 2: on a timeout where signal is lost, target thread is resumed. | |
| 57 bool valid_reposition_failure() { | |
| 58 // only 1 and 2 can happen and we can handle both of them | |
| 59 return true; | |
| 60 } | |
| 61 #endif | |
| 62 void set_thread_id(thread_t id) { _thread_id = id; } | |
| 63 void set_lwp_id(unsigned int id){ _lwp_id = id; } | |
| 64 | |
| 65 // *************************************************************** | |
| 66 // interrupt support. interrupts (using signals) are used to get | |
| 67 // the thread context (get_thread_pc), to set the thread context | |
| 68 // (set_thread_pc), and to implement java.lang.Thread.interrupt. | |
| 69 // *************************************************************** | |
| 70 | |
| 71 public: | |
| 72 | |
| 73 class InterruptArguments : StackObj { | |
| 74 private: | |
| 75 Thread* _thread; // the thread to signal was dispatched to | |
| 76 ucontext_t* _ucontext; // the machine context at the time of the signal | |
| 77 | |
| 78 public: | |
| 79 InterruptArguments(Thread* thread, ucontext_t* ucontext) { | |
| 80 _thread = thread; | |
| 81 _ucontext = ucontext; | |
| 82 } | |
| 83 | |
| 84 Thread* thread() const { return _thread; } | |
| 85 ucontext_t* ucontext() const { return _ucontext; } | |
| 86 }; | |
| 87 | |
| 88 // There are currently no asynchronous callbacks - and we'd better not | |
| 89 // support them in the future either, as they need to be deallocated from | |
| 90 // the interrupt handler, which is not safe; they also require locks to | |
| 91 // protect the callback queue. | |
| 92 | |
| 93 class Sync_Interrupt_Callback : private StackObj { | |
| 94 protected: | |
| 95 volatile bool _is_done; | |
| 96 Monitor* _sync; | |
| 97 Thread* _target; | |
| 98 public: | |
| 99 Sync_Interrupt_Callback(Monitor * sync) { | |
| 100 _is_done = false; _target = NULL; _sync = sync; | |
| 101 } | |
| 102 | |
| 103 bool is_done() const { return _is_done; } | |
| 104 Thread* target() const { return _target; } | |
| 105 | |
| 106 int interrupt(Thread * target, int timeout); | |
| 107 | |
| 108 // override to implement the callback. | |
| 109 virtual void execute(InterruptArguments *args) = 0; | |
| 110 | |
| 111 void leave_callback(); | |
| 112 }; | |
| 113 | |
| 114 private: | |
| 115 | |
| 116 Sync_Interrupt_Callback * volatile _current_callback; | |
| 117 enum { | |
| 118 callback_in_progress = 1 | |
| 119 }; | |
| 120 Mutex * _current_callback_lock; // only used on v8 | |
| 121 | |
| 122 public: | |
| 123 | |
| 124 int set_interrupt_callback (Sync_Interrupt_Callback * cb); | |
| 125 void remove_interrupt_callback(Sync_Interrupt_Callback * cb); | |
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726b40449bd2
6939019: Source code adjustments for parfait compilation of hotspot
zgu
parents:
1552
diff
changeset
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126 void do_interrupt_callbacks_at_interrupt(InterruptArguments *args); |
| 0 | 127 |
| 128 // *************************************************************** | |
| 129 // java.lang.Thread.interrupt state. | |
| 130 // *************************************************************** | |
| 131 | |
| 132 private: | |
| 133 | |
| 134 JavaThreadState _saved_interrupt_thread_state; // the thread state before a system call -- restored afterward | |
| 135 | |
| 136 public: | |
| 137 | |
| 138 | |
| 139 JavaThreadState saved_interrupt_thread_state() { return _saved_interrupt_thread_state; } | |
| 140 void set_saved_interrupt_thread_state(JavaThreadState state) { _saved_interrupt_thread_state = state; } | |
| 141 | |
| 142 static void handle_spinlock_contention(int tries); // Used for thread local eden locking | |
| 143 | |
| 144 // *************************************************************** | |
| 145 // Platform dependent initialization and cleanup | |
| 146 // *************************************************************** | |
| 147 | |
| 148 private: | |
| 149 | |
| 150 void pd_initialize(); | |
| 151 void pd_destroy(); |