| //===--- SignalHandlerCheck.h - clang-tidy ----------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SIGNALHANDLERCHECK_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SIGNALHANDLERCHECK_H |
| |
| #include "../ClangTidyCheck.h" |
| #include "llvm/ADT/StringSet.h" |
| |
| namespace clang { |
| namespace tidy { |
| namespace bugprone { |
| |
| /// Checker for signal handler functions. |
| /// |
| /// For the user-facing documentation see: |
| /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-signal-handler-check.html |
| class SignalHandlerCheck : public ClangTidyCheck { |
| public: |
| enum class AsyncSafeFunctionSetType { Minimal, POSIX }; |
| |
| SignalHandlerCheck(StringRef Name, ClangTidyContext *Context); |
| void storeOptions(ClangTidyOptions::OptionMap &Opts) override; |
| bool isLanguageVersionSupported(const LangOptions &LangOpts) const override; |
| void registerMatchers(ast_matchers::MatchFinder *Finder) override; |
| void check(const ast_matchers::MatchFinder::MatchResult &Result) override; |
| |
| private: |
| void reportBug(const FunctionDecl *CalledFunction, const Expr *CallOrRef, |
| const CallExpr *SignalCall, const FunctionDecl *HandlerDecl); |
| bool isSystemCallAllowed(const FunctionDecl *FD) const; |
| |
| AsyncSafeFunctionSetType AsyncSafeFunctionSet; |
| llvm::StringSet<> &ConformingFunctions; |
| |
| static llvm::StringSet<> MinimalConformingFunctions; |
| static llvm::StringSet<> POSIXConformingFunctions; |
| }; |
| |
| } // namespace bugprone |
| } // namespace tidy |
| } // namespace clang |
| |
| #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SIGNALHANDLERCHECK_H |