[clang] [clang][analyzer] Fix false positive of BlockInCriticalSectionChecker (PR #127049)
via cfe-commits
cfe-commits at lists.llvm.org
Fri Feb 14 05:08:43 PST 2025
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@@ -0,0 +1,50 @@
+// RUN: %clang_analyze_cc1 \
+// RUN: -analyzer-checker=unix.BlockInCriticalSection \
+// RUN: -std=c++11 \
+// RUN: -analyzer-output text \
+// RUN: -verify %s
+
+// expected-no-diagnostics
+
+namespace std {
+ struct mutex {
+ void lock() {}
+ void unlock() {}
+ };
+ template<typename T>
+ struct lock_guard {
+ lock_guard<T>(std::mutex) {}
+ ~lock_guard<T>() {}
+ };
+ template<typename T>
+ struct unique_lock {
+ unique_lock<T>(std::mutex) {}
+ ~unique_lock<T>() {}
+ };
+ template<typename T>
+ struct not_real_lock {
+ not_real_lock<T>(std::mutex) {}
+ };
+ } // namespace std
----------------
flovent wrote:
releated std locks code is moved to a new sytem header simulator file `system-header-simulator-cxx-std-locks.h`
https://github.com/llvm/llvm-project/pull/127049
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