| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/profiler/stack_sampler.h" |
| |
| #include "base/profiler/native_unwinder_mac.h" |
| #include "base/profiler/stack_sampler_impl.h" |
| #include "base/profiler/thread_delegate_mac.h" |
| |
| namespace base { |
| |
| // static |
| std::unique_ptr<StackSampler> StackSampler::Create( |
| PlatformThreadId thread_id, |
| ModuleCache* module_cache, |
| StackSamplerTestDelegate* test_delegate) { |
| return std::make_unique<StackSamplerImpl>( |
| std::make_unique<ThreadDelegateMac>(thread_id), |
| std::make_unique<NativeUnwinderMac>(module_cache), module_cache, |
| test_delegate); |
| } |
| |
| // static |
| size_t StackSampler::GetStackBufferSize() { |
| size_t stack_size = PlatformThread::GetDefaultThreadStackSize(); |
| |
| // If getrlimit somehow fails, return the default macOS main thread stack size |
| // of 8 MB (DFLSSIZ in <i386/vmparam.h>) with extra wiggle room. |
| return stack_size > 0 ? stack_size : 12 * 1024 * 1024; |
| } |
| |
| } // namespace base |