129 lines
2.7 KiB
Text
129 lines
2.7 KiB
Text
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file threadSimpleImpl.I
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* @author drose
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* @date 2007-06-18
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*/
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/**
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*
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*/
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INLINE Thread *ThreadSimpleImpl::
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get_current_thread() {
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return ThreadSimpleManager::get_global_ptr()->get_current_thread()->_parent_obj;
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}
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/**
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* Returns true if we are still running within the same OS-level thread that
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* this thread begin in, or false if this appears to be running in a different
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* thread.
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*/
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INLINE bool ThreadSimpleImpl::
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is_same_system_thread() const {
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#ifdef HAVE_POSIX_THREADS
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return pthread_equal(_posix_system_thread_id, pthread_self());
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#endif
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#ifdef WIN32
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return (_win32_system_thread_id == GetCurrentThreadId());
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#endif
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return true;
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}
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/**
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* Associates the indicated Thread object with the currently-executing thread.
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* You should not call this directly; use Thread::bind_thread() instead.
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*/
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INLINE void ThreadSimpleImpl::
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bind_thread(Thread *) {
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}
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/**
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*
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*/
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INLINE bool ThreadSimpleImpl::
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is_threading_supported() {
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return true;
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}
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/**
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*
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*/
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INLINE bool ThreadSimpleImpl::
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is_simple_threads() {
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return true;
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}
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/**
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*
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*/
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INLINE void ThreadSimpleImpl::
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sleep(double seconds) {
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ThreadSimpleManager *manager = ThreadSimpleManager::get_global_ptr();
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if (manager->is_same_system_thread()) {
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ThreadSimpleImpl *thread = manager->get_current_thread();
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thread->sleep_this(seconds);
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} else {
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manager->system_sleep(seconds);
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}
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}
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/**
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*
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*/
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INLINE void ThreadSimpleImpl::
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yield() {
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ThreadSimpleManager *manager = ThreadSimpleManager::get_global_ptr();
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if (manager->is_same_system_thread()) {
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ThreadSimpleImpl *thread = manager->get_current_thread();
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thread->yield_this(true);
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} else {
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manager->system_yield();
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}
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}
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/**
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*
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*/
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INLINE void ThreadSimpleImpl::
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consider_yield() {
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ThreadSimpleManager *manager = ThreadSimpleManager::get_global_ptr();
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if (manager->is_same_system_thread()) {
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ThreadSimpleImpl *thread = manager->get_current_thread();
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thread->consider_yield_this();
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}
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}
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/**
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*
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*/
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INLINE void ThreadSimpleImpl::
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consider_yield_this() {
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double now = _manager->get_current_time();
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if (now >= _stop_time) {
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yield_this(false);
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}
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}
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/**
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*
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*/
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INLINE double ThreadSimpleImpl::
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get_wake_time() const {
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return _wake_time;
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}
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/**
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* Writes a list of threads running and threads blocked.
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*/
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void ThreadSimpleImpl::
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write_status(std::ostream &out) {
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ThreadSimpleManager *manager = ThreadSimpleManager::get_global_ptr();
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manager->write_status(out);
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}
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