35 lines · cpp
1//===----------------------------------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "ThreadCanceltypeAsynchronousCheck.h"10#include "clang/AST/ASTContext.h"11#include "clang/ASTMatchers/ASTMatchFinder.h"12 13using namespace clang::ast_matchers;14 15namespace clang::tidy::concurrency {16 17void ThreadCanceltypeAsynchronousCheck::registerMatchers(MatchFinder *Finder) {18 Finder->addMatcher(19 callExpr(20 callee(functionDecl(hasName("::pthread_setcanceltype"))),21 argumentCountIs(2),22 hasArgument(0, isExpandedFromMacro("PTHREAD_CANCEL_ASYNCHRONOUS")))23 .bind("setcanceltype"),24 this);25}26 27void ThreadCanceltypeAsynchronousCheck::check(28 const MatchFinder::MatchResult &Result) {29 const auto *MatchedExpr = Result.Nodes.getNodeAs<Expr>("setcanceltype");30 diag(MatchedExpr->getBeginLoc(), "the cancel type for a pthread should not "31 "be 'PTHREAD_CANCEL_ASYNCHRONOUS'");32}33 34} // namespace clang::tidy::concurrency35