Last change
on this file since 69ab896 was
678f259,
checked in by Andrew Beach <ajbeach@…>, 3 years ago
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Some clean-up in the exception benchmark directory. Mostly just shortening names.
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-
Property mode set to
100644
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File size:
1.1 KB
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Rev | Line | |
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[f79ee0d] | 1 | // Resume Across Fixup |
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| 2 | #include <chrono> |
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| 3 | #include <cstdlib> |
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| 4 | #include <exception> |
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| 5 | #include <iostream> |
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| 6 | #include <iomanip> |
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| 7 | #include <functional> |
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| 8 | |
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| 9 | using namespace std; |
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| 10 | using namespace chrono; |
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| 11 | |
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| 12 | void nounwind_fixup(unsigned int frames, function<void (int &)> raised_rtn ) { |
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| 13 | if (frames) { |
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| 14 | nounwind_fixup(frames - 1, raised_rtn); |
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| 15 | } else { |
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| 16 | int fixup = 17; |
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| 17 | raised_rtn(fixup); |
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| 18 | } |
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| 19 | } |
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| 20 | |
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| 21 | int main(int argc, char * argv[]) { |
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| 22 | unsigned int times = 1; |
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| 23 | unsigned int total_frames = 1; |
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| 24 | if (1 < argc) { |
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| 25 | times = strtol(argv[1], nullptr, 10); |
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| 26 | } |
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| 27 | if (2 < argc) { |
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| 28 | total_frames = strtol(argv[2], nullptr, 10); |
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| 29 | } |
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| 30 | |
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| 31 | auto raised = [=] (int & fixup) -> void { |
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| 32 | fixup = total_frames + 42; // use local scope => lexical link |
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| 33 | }; |
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| 34 | time_point<steady_clock> start_time = steady_clock::now(); |
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| 35 | for (unsigned int count = 0 ; count < times ; ++count) { |
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| 36 | nounwind_fixup(total_frames, raised); |
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| 37 | } |
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| 38 | time_point<steady_clock> end_time = steady_clock::now(); |
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| 39 | nanoseconds duration = duration_cast<nanoseconds>(end_time - start_time); |
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| 40 | cout << "Run-Time (s): " << fixed << setprecision(1) << duration.count() / 1'000'000'000. << endl; |
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| 41 | } |
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