| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | //====================================================================================================================== | ||
| 2 | //! @file | ||
| 3 | /* | ||
| 4 | TTS - Tiny Test System | ||
| 5 | Copyright : TTS Contributors & Maintainers | ||
| 6 | SPDX-License-Identifier: BSL-1.0 | ||
| 7 | */ | ||
| 8 | //====================================================================================================================== | ||
| 9 | #pragma once | ||
| 10 | |||
| 11 | #include <tts/engine/abort.hpp> | ||
| 12 | #include <tts/engine/abort_report.hpp> | ||
| 13 | #include <tts/engine/environment.hpp> | ||
| 14 | #include <tts/engine/test.hpp> | ||
| 15 | |||
| 16 | #if defined(__EMSCRIPTEN__) | ||
| 17 | #elif defined(_WIN32) | ||
| 18 | #define WIN32_LEAN_AND_MEAN | ||
| 19 | #define NOMINMAX | ||
| 20 | #include <windows.h> | ||
| 21 | #else | ||
| 22 | #include <csignal> | ||
| 23 | #include <sys/time.h> | ||
| 24 | #endif | ||
| 25 | |||
| 26 | namespace tts::_ | ||
| 27 | { | ||
| 28 | inline nanoseconds watchdog_ns = 0; // NOSONAR - the loop sets it before each case | ||
| 29 | |||
| 30 | 282 | inline nanoseconds default_timeout_ns() | |
| 31 | { | ||
| 32 |
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282 | static nanoseconds that = ::tts::arguments().value<unsigned long long>("--timeout") * 1'000'000; |
| 33 | 282 | return that; | |
| 34 | } | ||
| 35 | |||
| 36 | ✗ | inline void report_timeout() | |
| 37 | { | ||
| 38 | ::tts::text line {"TEST: '%s' - @@ TIMEOUT @@ still running after %s", | ||
| 39 | current_test, | ||
| 40 | ✗ | format_duration(static_cast<double>(watchdog_ns)).data()}; | |
| 41 | |||
| 42 | ✗ | report_abort(line.data(), "TIMEOUT"); | |
| 43 | ✗ | } | |
| 44 | } | ||
| 45 | |||
| 46 | #if defined(__EMSCRIPTEN__) | ||
| 47 | namespace tts::_ | ||
| 48 | { | ||
| 49 | // No process-wide timer here: nothing to arm. | ||
| 50 | struct watchdog | ||
| 51 | { | ||
| 52 | explicit watchdog(nanoseconds) | ||
| 53 | { | ||
| 54 | } | ||
| 55 | }; | ||
| 56 | } | ||
| 57 | #elif defined(_WIN32) | ||
| 58 | namespace tts::_ | ||
| 59 | { | ||
| 60 | inline VOID CALLBACK watchdog_expired(PVOID, BOOLEAN) | ||
| 61 | { | ||
| 62 | static bool reporting = false; | ||
| 63 | if(reporting) exit_now(); | ||
| 64 | reporting = true; | ||
| 65 | |||
| 66 | report_timeout(); | ||
| 67 | perform_abort(0); | ||
| 68 | } | ||
| 69 | |||
| 70 | struct watchdog | ||
| 71 | { | ||
| 72 | explicit watchdog(nanoseconds ns) | ||
| 73 | { | ||
| 74 | if(!ns) return; | ||
| 75 | |||
| 76 | watchdog_ns = ns; | ||
| 77 | CreateTimerQueueTimer(&timer_, | ||
| 78 | nullptr, | ||
| 79 | &watchdog_expired, | ||
| 80 | nullptr, | ||
| 81 | static_cast<DWORD>(ns / 1'000'000u), | ||
| 82 | 0, | ||
| 83 | WT_EXECUTEINTIMERTHREAD); | ||
| 84 | } | ||
| 85 | |||
| 86 | ~watchdog() | ||
| 87 | { | ||
| 88 | // INVALID_HANDLE_VALUE waits for a callback already running, so a case finishing on the | ||
| 89 | // deadline cannot race its own teardown. | ||
| 90 | if(timer_) DeleteTimerQueueTimer(nullptr, timer_, INVALID_HANDLE_VALUE); | ||
| 91 | } | ||
| 92 | |||
| 93 | watchdog(watchdog const&) = delete; | ||
| 94 | watchdog& operator=(watchdog const&) = delete; | ||
| 95 | |||
| 96 | HANDLE timer_ = nullptr; | ||
| 97 | }; | ||
| 98 | } | ||
| 99 | #else | ||
| 100 | extern "C" | ||
| 101 | { | ||
| 102 | ✗ | [[noreturn]] inline void tts_watchdog_expired(int) | |
| 103 | { | ||
| 104 | static bool reporting = false; | ||
| 105 | ✗ | if(reporting) ::tts::_::exit_now(); | |
| 106 | ✗ | reporting = true; | |
| 107 | |||
| 108 | ✗ | ::tts::_::report_timeout(); | |
| 109 | ✗ | ::tts::_::perform_abort(0); | |
| 110 | } | ||
| 111 | } | ||
| 112 | |||
| 113 | namespace tts::_ | ||
| 114 | { | ||
| 115 | struct watchdog | ||
| 116 | { | ||
| 117 | 282 | explicit watchdog(nanoseconds ns) | |
| 118 | 282 | { | |
| 119 |
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282 | if(!ns) return; |
| 120 | |||
| 121 | ✗ | watchdog_ns = ns; | |
| 122 | |||
| 123 | ✗ | struct sigaction action = {}; | |
| 124 | ✗ | action.sa_handler = &tts_watchdog_expired; | |
| 125 | ✗ | action.sa_flags = 0; | |
| 126 | ✗ | sigemptyset(&action.sa_mask); | |
| 127 | ✗ | sigaction(SIGALRM, &action, &previous_); | |
| 128 | |||
| 129 | // A thread blocked in a syscall still takes the signal, which a polling thread would not. | ||
| 130 | ✗ | itimerval deadline {}; | |
| 131 | ✗ | deadline.it_value.tv_sec = static_cast<time_t>(ns / 1'000'000'000u); | |
| 132 | ✗ | deadline.it_value.tv_usec = static_cast<suseconds_t>((ns % 1'000'000'000u) / 1000u); | |
| 133 | ✗ | setitimer(ITIMER_REAL, &deadline, nullptr); | |
| 134 | |||
| 135 | ✗ | armed_ = true; | |
| 136 | } | ||
| 137 | |||
| 138 | 282 | ~watchdog() | |
| 139 | ✗ | { | |
| 140 |
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282 | if(!armed_) return; |
| 141 | |||
| 142 | ✗ | itimerval off {}; | |
| 143 | ✗ | setitimer(ITIMER_REAL, &off, nullptr); | |
| 144 | ✗ | sigaction(SIGALRM, &previous_, nullptr); | |
| 145 | 282 | } | |
| 146 | |||
| 147 | watchdog(watchdog const&) = delete; | ||
| 148 | watchdog& operator=(watchdog const&) = delete; | ||
| 149 | |||
| 150 | private: | ||
| 151 | struct sigaction previous_ = {}; | ||
| 152 | bool armed_ = false; | ||
| 153 | }; | ||
| 154 | } | ||
| 155 | #endif | ||
| 156 |