Mercurial > hg > graal-compiler
view src/os/solaris/vm/osThread_solaris.hpp @ 13918:22bf5a8ba9eb
Ruby: restore prototype debugger.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Mon, 10 Feb 2014 03:39:21 +0000 |
parents | f2110083203d |
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/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef OS_SOLARIS_VM_OSTHREAD_SOLARIS_HPP #define OS_SOLARIS_VM_OSTHREAD_SOLARIS_HPP // This is embedded via include into the class OSThread public: typedef thread_t thread_id_t; private: uint _lwp_id; // lwp ID, only used with bound threads int _native_priority; // Saved native priority when starting // a bound thread sigset_t _caller_sigmask; // Caller's signal mask bool _vm_created_thread; // true if the VM created this thread, // false if primary thread or attached thread public: uint lwp_id() const { return _lwp_id; } int native_priority() const { return _native_priority; } // Set and get state of _vm_created_thread flag void set_vm_created() { _vm_created_thread = true; } bool is_vm_created() { return _vm_created_thread; } // Methods to save/restore caller's signal mask sigset_t caller_sigmask() const { return _caller_sigmask; } void set_caller_sigmask(sigset_t sigmask) { _caller_sigmask = sigmask; } #ifndef PRODUCT // Used for debugging, return a unique integer for each thread. int thread_identifier() const { return _thread_id; } #endif #ifdef ASSERT // On solaris reposition can fail in two ways: // 1: a mismatched pc, because signal is delivered too late, target thread // is resumed. // 2: on a timeout where signal is lost, target thread is resumed. bool valid_reposition_failure() { // only 1 and 2 can happen and we can handle both of them return true; } #endif void set_lwp_id(uint id) { _lwp_id = id; } void set_native_priority(int prio) { _native_priority = prio; } // *************************************************************** // interrupt support. interrupts (using signals) are used to get // the thread context (get_thread_pc), to set the thread context // (set_thread_pc), and to implement java.lang.Thread.interrupt. // *************************************************************** public: os::SuspendResume sr; private: ucontext_t* _ucontext; public: ucontext_t* ucontext() const { return _ucontext; } void set_ucontext(ucontext_t* ptr) { _ucontext = ptr; } static void SR_handler(Thread* thread, ucontext_t* uc); // *************************************************************** // java.lang.Thread.interrupt state. // *************************************************************** private: JavaThreadState _saved_interrupt_thread_state; // the thread state before a system call -- restored afterward public: JavaThreadState saved_interrupt_thread_state() { return _saved_interrupt_thread_state; } void set_saved_interrupt_thread_state(JavaThreadState state) { _saved_interrupt_thread_state = state; } static void handle_spinlock_contention(int tries); // Used for thread local eden locking // *************************************************************** // Platform dependent initialization and cleanup // *************************************************************** private: void pd_initialize(); void pd_destroy(); #endif // OS_SOLARIS_VM_OSTHREAD_SOLARIS_HPP