设备创新后台
9bb810d9ed
The old ColdMutex (interprocess_mutex) was in process-local anonymous namespace storage, so each process had its own copy — no actual cross-process exclusion. Even if moved to SHM, interprocess_mutex is not robust: a crash while holding the lock would deadlock on restart. New design: - ShmSpinLock: atomic<pid_t> in shared memory, kill(pid,0) detects dead owners (ESRCH → takeover), crash-safe by construction - std::mutex: process-local, handles intra-process thread contention without burning CPU on the SHM spinlock - DualLock: locks local first, then shm; unlocks in reverse 9 lock sites in MapRuleStat upgraded to std::lock_guard<DualLock>. |
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| .vscode | ||
| cmake_include | ||
| config | ||
| dsm | ||
| eqpalg | ||
| eqpm | ||
| inc | ||
| mix_cc | ||
| py | ||
| RICS | ||
| script/table | ||
| shm | ||
| src | ||
| TestProject | ||
| third_party | ||
| .gitignore | ||
| EIS_README.md | ||