| // Copyright (c) 2008, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // --- |
| // Author: Ken Ashcraft <opensource@google.com> |
| |
| #include "static_vars.h" |
| #include <stddef.h> // for NULL |
| #include <new> // for operator new |
| #include "internal_logging.h" // for CHECK_CONDITION |
| #include "common.h" |
| #include "sampler.h" // for Sampler |
| |
| namespace tcmalloc { |
| |
| SpinLock Static::pageheap_lock_(SpinLock::LINKER_INITIALIZED); |
| SizeMap Static::sizemap_; |
| CentralFreeListPadded Static::central_cache_[kNumClasses]; |
| PageHeapAllocator<Span> Static::span_allocator_; |
| PageHeapAllocator<StackTrace> Static::stacktrace_allocator_; |
| Span Static::sampled_objects_; |
| PageHeapAllocator<StackTraceTable::Bucket> Static::bucket_allocator_; |
| StackTrace* Static::growth_stacks_ = NULL; |
| PageHeap* Static::pageheap_ = NULL; |
| |
| void Static::InitStaticVars() { |
| sizemap_.Init(); |
| span_allocator_.Init(); |
| span_allocator_.New(); // Reduce cache conflicts |
| span_allocator_.New(); // Reduce cache conflicts |
| stacktrace_allocator_.Init(); |
| bucket_allocator_.Init(); |
| // Do a bit of sanitizing: make sure central_cache is aligned properly |
| CHECK_CONDITION((sizeof(central_cache_[0]) % 64) == 0); |
| for (int i = 0; i < kNumClasses; ++i) { |
| central_cache_[i].Init(i); |
| } |
| // It's important to have PageHeap allocated, not in static storage, |
| // so that HeapLeakChecker does not consider all the byte patterns stored |
| // in is caches as pointers that are sources of heap object liveness, |
| // which leads to it missing some memory leaks. |
| pageheap_ = new (MetaDataAlloc(sizeof(PageHeap))) PageHeap; |
| DLL_Init(&sampled_objects_); |
| Sampler::InitStatics(); |
| } |
| |
| } // namespace tcmalloc |
