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//===--- ThreadCanceltypeAsynchronousCheck.cpp - clang-tidy ---------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "ThreadCanceltypeAsynchronousCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang::tidy::concurrency {
void ThreadCanceltypeAsynchronousCheck::registerMatchers(MatchFinder *Finder) {
Finder->addMatcher(
callExpr(
callee(functionDecl(hasName("::pthread_setcanceltype"))),
argumentCountIs(2),
hasArgument(0, isExpandedFromMacro("PTHREAD_CANCEL_ASYNCHRONOUS")))
.bind("setcanceltype"),
this);
}
void ThreadCanceltypeAsynchronousCheck::check(
const MatchFinder::MatchResult &Result) {
const auto *MatchedExpr = Result.Nodes.getNodeAs<Expr>("setcanceltype");
diag(MatchedExpr->getBeginLoc(), "the cancel type for a pthread should not "
"be 'PTHREAD_CANCEL_ASYNCHRONOUS'");
}
} // namespace clang::tidy::concurrency
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