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Issue 181453002: Reset trunk to 3.24.35.4 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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38 static const int kSweeperThreadStackSize = 64 * KB; 38 static const int kSweeperThreadStackSize = 64 * KB;
39 39
40 SweeperThread::SweeperThread(Isolate* isolate) 40 SweeperThread::SweeperThread(Isolate* isolate)
41 : Thread(Thread::Options("v8:SweeperThread", kSweeperThreadStackSize)), 41 : Thread(Thread::Options("v8:SweeperThread", kSweeperThreadStackSize)),
42 isolate_(isolate), 42 isolate_(isolate),
43 heap_(isolate->heap()), 43 heap_(isolate->heap()),
44 collector_(heap_->mark_compact_collector()), 44 collector_(heap_->mark_compact_collector()),
45 start_sweeping_semaphore_(0), 45 start_sweeping_semaphore_(0),
46 end_sweeping_semaphore_(0), 46 end_sweeping_semaphore_(0),
47 stop_semaphore_(0) { 47 stop_semaphore_(0) {
48 ASSERT(!FLAG_job_based_sweeping);
49 NoBarrier_Store(&stop_thread_, static_cast<AtomicWord>(false)); 48 NoBarrier_Store(&stop_thread_, static_cast<AtomicWord>(false));
50 } 49 }
51 50
52 51
53 void SweeperThread::Run() { 52 void SweeperThread::Run() {
54 Isolate::SetIsolateThreadLocals(isolate_, NULL); 53 Isolate::SetIsolateThreadLocals(isolate_, NULL);
55 DisallowHeapAllocation no_allocation; 54 DisallowHeapAllocation no_allocation;
56 DisallowHandleAllocation no_handles; 55 DisallowHandleAllocation no_handles;
57 DisallowHandleDereference no_deref; 56 DisallowHandleDereference no_deref;
58 57
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91 90
92 int SweeperThread::NumberOfThreads(int max_available) { 91 int SweeperThread::NumberOfThreads(int max_available) {
93 if (!FLAG_concurrent_sweeping && !FLAG_parallel_sweeping) return 0; 92 if (!FLAG_concurrent_sweeping && !FLAG_parallel_sweeping) return 0;
94 if (FLAG_sweeper_threads > 0) return FLAG_sweeper_threads; 93 if (FLAG_sweeper_threads > 0) return FLAG_sweeper_threads;
95 if (FLAG_concurrent_sweeping) return max_available - 1; 94 if (FLAG_concurrent_sweeping) return max_available - 1;
96 ASSERT(FLAG_parallel_sweeping); 95 ASSERT(FLAG_parallel_sweeping);
97 return max_available; 96 return max_available;
98 } 97 }
99 98
100 } } // namespace v8::internal 99 } } // namespace v8::internal
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