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