| 1 | //===--- ThreadCanceltypeAsynchronousCheck.cpp - clang-tidy ---------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "ThreadCanceltypeAsynchronousCheck.h" |
| 10 | #include "clang/AST/ASTContext.h" |
| 11 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
| 12 | #include "clang/Lex/Preprocessor.h" |
| 13 | |
| 14 | using namespace clang::ast_matchers; |
| 15 | |
| 16 | namespace clang::tidy::concurrency { |
| 17 | |
| 18 | void ThreadCanceltypeAsynchronousCheck::registerMatchers(MatchFinder *Finder) { |
| 19 | Finder->addMatcher( |
| 20 | NodeMatch: callExpr( |
| 21 | callee(InnerMatcher: functionDecl(hasName(Name: "::pthread_setcanceltype"))), |
| 22 | argumentCountIs(N: 2), |
| 23 | hasArgument(N: 0, InnerMatcher: isExpandedFromMacro(MacroName: "PTHREAD_CANCEL_ASYNCHRONOUS"))) |
| 24 | .bind(ID: "setcanceltype"), |
| 25 | Action: this); |
| 26 | } |
| 27 | |
| 28 | void ThreadCanceltypeAsynchronousCheck::check( |
| 29 | const MatchFinder::MatchResult &Result) { |
| 30 | const auto *MatchedExpr = Result.Nodes.getNodeAs<Expr>(ID: "setcanceltype"); |
| 31 | diag(MatchedExpr->getBeginLoc(), "the cancel type for a pthread should not " |
| 32 | "be 'PTHREAD_CANCEL_ASYNCHRONOUS'"); |
| 33 | } |
| 34 | |
| 35 | } // namespace clang::tidy::concurrency |
| 36 |