src/worker.cpp
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "DetourModKit/worker.hpp" | ||
| 2 | #include "DetourModKit/logger.hpp" | ||
| 3 | #include "platform.hpp" | ||
| 4 | |||
| 5 | #include <utility> | ||
| 6 | |||
| 7 | namespace DetourModKit | ||
| 8 | { | ||
| 9 | 135 | StoppableWorker::StoppableWorker(std::string_view name, | |
| 10 | 135 | std::function<void(std::stop_token)> body) | |
| 11 |
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405 | : name_(name) |
| 12 | { | ||
| 13 |
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135 | if (!body) |
| 14 | { | ||
| 15 |
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1 | Logger::get_instance().error( |
| 16 |
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1 | "StoppableWorker '{}': empty body; no thread started.", name_); |
| 17 | 1 | joined_.store(true, std::memory_order_release); | |
| 18 | 1 | return; | |
| 19 | } | ||
| 20 | |||
| 21 | 134 | thread_ = std::jthread( | |
| 22 |
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268 | [fn = std::move(body), label = name_](std::stop_token st) |
| 23 | { | ||
| 24 | try | ||
| 25 | { | ||
| 26 |
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136 | fn(st); |
| 27 | } | ||
| 28 |
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2 | catch (const std::exception &e) |
| 29 | { | ||
| 30 |
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1 | Logger::get_instance().error( |
| 31 |
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1 | "StoppableWorker '{}': unhandled exception: {}", label, e.what()); |
| 32 | 1 | } | |
| 33 | 1 | catch (...) | |
| 34 | { | ||
| 35 |
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1 | Logger::get_instance().error( |
| 36 |
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1 | "StoppableWorker '{}': unknown exception escaped body.", label); |
| 37 | 1 | } | |
| 38 |
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268 | }); |
| 39 | |||
| 40 |
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134 | Logger::get_instance().debug("StoppableWorker '{}' started.", name_); |
| 41 | ✗ | } | |
| 42 | |||
| 43 | 131 | StoppableWorker::~StoppableWorker() noexcept | |
| 44 | { | ||
| 45 | 131 | shutdown(); | |
| 46 | 131 | } | |
| 47 | |||
| 48 | 6 | void StoppableWorker::request_stop() noexcept | |
| 49 | { | ||
| 50 |
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6 | if (thread_.joinable()) |
| 51 | { | ||
| 52 | 4 | thread_.request_stop(); | |
| 53 | } | ||
| 54 | 6 | } | |
| 55 | |||
| 56 | 21 | bool StoppableWorker::is_running() const noexcept | |
| 57 | { | ||
| 58 |
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21 | return thread_.joinable() && !joined_.load(std::memory_order_acquire); |
| 59 | } | ||
| 60 | |||
| 61 | 258 | void StoppableWorker::shutdown() noexcept | |
| 62 | { | ||
| 63 | 258 | bool expected = false; | |
| 64 |
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258 | if (!joined_.compare_exchange_strong(expected, true, |
| 65 | std::memory_order_acq_rel)) | ||
| 66 | { | ||
| 67 | 124 | return; | |
| 68 | } | ||
| 69 | |||
| 70 |
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134 | if (!thread_.joinable()) |
| 71 | { | ||
| 72 | ✗ | return; | |
| 73 | } | ||
| 74 | |||
| 75 | 134 | thread_.request_stop(); | |
| 76 | |||
| 77 |
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134 | if (detail::is_loader_lock_held()) |
| 78 | { | ||
| 79 | ✗ | detail::pin_current_module(); | |
| 80 | ✗ | thread_.detach(); | |
| 81 | ✗ | return; | |
| 82 | } | ||
| 83 | |||
| 84 | 134 | thread_.join(); | |
| 85 | } | ||
| 86 | } // namespace DetourModKit | ||
| 87 |