2c54b29337
An option is added to the check to select wich set of functions is defined as asynchronous-safe functions. Reviewed By: aaron.ballman Differential Revision: https://reviews.llvm.org/D90851
50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
//===--- SignalHandlerCheck.h - clang-tidy ----------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SIGNALHANDLERCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SIGNALHANDLERCHECK_H
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#include "../ClangTidyCheck.h"
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#include "llvm/ADT/StringSet.h"
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namespace clang {
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namespace tidy {
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namespace bugprone {
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/// Checker for signal handler functions.
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///
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/// For the user-facing documentation see:
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/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-signal-handler-check.html
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class SignalHandlerCheck : public ClangTidyCheck {
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public:
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enum class AsyncSafeFunctionSetType { Minimal, POSIX };
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SignalHandlerCheck(StringRef Name, ClangTidyContext *Context);
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void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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bool isLanguageVersionSupported(const LangOptions &LangOpts) const override;
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void registerMatchers(ast_matchers::MatchFinder *Finder) override;
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void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
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private:
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void reportBug(const FunctionDecl *CalledFunction, const Expr *CallOrRef,
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const CallExpr *SignalCall, const FunctionDecl *HandlerDecl);
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bool isSystemCallAllowed(const FunctionDecl *FD) const;
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AsyncSafeFunctionSetType AsyncSafeFunctionSet;
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llvm::StringSet<> &ConformingFunctions;
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static llvm::StringSet<> MinimalConformingFunctions;
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static llvm::StringSet<> POSIXConformingFunctions;
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};
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} // namespace bugprone
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SIGNALHANDLERCHECK_H
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