Panda3D
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00001 // Filename: asyncTaskChain.I 00002 // Created by: drose (23Aug06) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 00016 //////////////////////////////////////////////////////////////////// 00017 // Function: AsyncTaskChain::is_started 00018 // Access: Published 00019 // Description: Returns true if the thread(s) have been started and 00020 // are ready to service requests, false otherwise. If 00021 // this is false, the next call to add() or add_and_do() 00022 // will automatically start the threads. 00023 //////////////////////////////////////////////////////////////////// 00024 INLINE bool AsyncTaskChain:: 00025 is_started() const { 00026 return (_state == S_started); 00027 } 00028 00029 //////////////////////////////////////////////////////////////////// 00030 // Function: AsyncTaskChain::do_get_next_wake_time 00031 // Access: Protected 00032 // Description: Returns the time at which the next sleeping thread 00033 // will awaken, or -1 if there are no sleeping threads. 00034 // Assumes the lock is already held. 00035 //////////////////////////////////////////////////////////////////// 00036 INLINE double AsyncTaskChain:: 00037 do_get_next_wake_time() const { 00038 if (!_sleeping.empty()) { 00039 return _sleeping.front()->_wake_time; 00040 } 00041 return -1.0; 00042 } 00043 00044 //////////////////////////////////////////////////////////////////// 00045 // Function: AsyncTaskChain::get_wake_time 00046 // Access: Protected, Static 00047 // Description: Returns the time at which the indicated thread 00048 // will awaken. Assumes the lock is already held. 00049 //////////////////////////////////////////////////////////////////// 00050 INLINE double AsyncTaskChain:: 00051 get_wake_time(AsyncTask *task) { 00052 return task->_wake_time; 00053 }