1 /* 2 Open Tracker License 3 4 Terms and Conditions 5 6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining a copy of 9 this software and associated documentation files (the "Software"), to deal in 10 the Software without restriction, including without limitation the rights to 11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 12 of the Software, and to permit persons to whom the Software is furnished to do 13 so, subject to the following conditions: 14 15 The above copyright notice and this permission notice applies to all licensees 16 and shall be included in all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY, 20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION 23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 25 Except as contained in this notice, the name of Be Incorporated shall not be 26 used in advertising or otherwise to promote the sale, use or other dealings in 27 this Software without prior written authorization from Be Incorporated. 28 29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks 30 of Be Incorporated in the United States and other countries. Other brand product 31 names are registered trademarks or trademarks of their respective holders. 32 All rights reserved. 33 */ 34 35 36 #include "Thread.h" 37 #include "FunctionObject.h" 38 39 40 SimpleThread::SimpleThread(int32 priority, const char* name) 41 : fScanThread(-1), 42 fPriority(priority), 43 fName(name) 44 { 45 } 46 47 48 SimpleThread::~SimpleThread() 49 { 50 if (fScanThread > 0 && fScanThread != find_thread(NULL)) { 51 // kill the thread if it is not the one we are running in 52 kill_thread(fScanThread); 53 } 54 } 55 56 57 void 58 SimpleThread::Go() 59 { 60 fScanThread = spawn_thread(SimpleThread::RunBinder, 61 fName ? fName : "TrackerTaskLoop", fPriority, this); 62 resume_thread(fScanThread); 63 } 64 65 66 status_t 67 SimpleThread::RunBinder(void* castToThis) 68 { 69 SimpleThread* self = static_cast<SimpleThread*>(castToThis); 70 self->Run(); 71 return B_OK; 72 } 73 74 75 void 76 Thread::Launch(FunctionObject* functor, int32 priority, const char* name) 77 { 78 new Thread(functor, priority, name); 79 } 80 81 82 Thread::Thread(FunctionObject* functor, int32 priority, const char* name) 83 : SimpleThread(priority, name), 84 fFunctor(functor) 85 { 86 Go(); 87 } 88 89 90 Thread::~Thread() 91 { 92 delete fFunctor; 93 } 94 95 96 void 97 Thread::Run() 98 { 99 (*fFunctor)(); 100 delete this; 101 // commit suicide 102 } 103 104 105 void 106 ThreadSequence::Launch(BObjectList<FunctionObject>* list, bool async, 107 int32 priority) 108 { 109 if (!async) { 110 // if not async, don't even create a thread, just do it right away 111 Run(list); 112 } else 113 new ThreadSequence(list, priority); 114 } 115 116 117 ThreadSequence::ThreadSequence(BObjectList<FunctionObject>* list, 118 int32 priority) 119 : SimpleThread(priority), 120 fFunctorList(list) 121 { 122 Go(); 123 } 124 125 126 ThreadSequence::~ThreadSequence() 127 { 128 delete fFunctorList; 129 } 130 131 132 void 133 ThreadSequence::Run(BObjectList<FunctionObject>* list) 134 { 135 int32 count = list->CountItems(); 136 for (int32 index = 0; index < count; index++) 137 (*list->ItemAt(index))(); 138 } 139 140 141 void 142 ThreadSequence::Run() 143 { 144 Run(fFunctorList); 145 delete this; 146 // commit suicide 147 } 148