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36e6f3b339
Summary: #125682 (D56586844) added support for lazy symbolization to `Error` and adopted it for internal use cases; this commit adopts it for `get_backtrace()` as well. Test Plan: Sandcastle and GH CI. NOTE: This is a resubmit of D56881683, a spurious copypasted line in the Android implementation broke the build, but this was not surfaced by diff tests. Reproed the breakage with ``` $ fbpython scripts/build_android_app/build_android_app.py --buck-config-files='@//fbandroid/mode/have_libgflags @//fbandroid/mode/static_linking @//xplat/langtech/mobile/android_opt_buck_config_with_et_boltnn' --build-target='fbsource//xplat/langtech/mobile:transcribe_binAndroid-android-arm64' ``` Verified that the fixed diff builds successfully. Differential Revision: D57275456 Pull Request resolved: https://github.com/pytorch/pytorch/pull/126064 Approved by: https://github.com/ezyang
32 lines
797 B
C++
32 lines
797 B
C++
#ifndef C10_UTIL_BACKTRACE_H_
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#define C10_UTIL_BACKTRACE_H_
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#include <cstddef>
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#include <memory>
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#include <string>
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#include <typeinfo>
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#include <c10/macros/Macros.h>
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#include <c10/util/Lazy.h>
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namespace c10 {
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// Symbolizing the backtrace can be expensive; pass it around as a lazy string
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// so it is symbolized only if actually needed.
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using Backtrace = std::shared_ptr<const LazyValue<std::string>>;
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// DEPRECATED: Prefer get_lazy_backtrace().
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C10_API std::string get_backtrace(
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size_t frames_to_skip = 0,
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size_t maximum_number_of_frames = 64,
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bool skip_python_frames = true);
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C10_API Backtrace get_lazy_backtrace(
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size_t frames_to_skip = 0,
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size_t maximum_number_of_frames = 64,
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bool skip_python_frames = true);
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} // namespace c10
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#endif // C10_UTIL_BACKTRACE_H_
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