1 //===--- CloexecEpollCreateCheck.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 "CloexecEpollCreateCheck.h"
10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
12 
13 using namespace clang::ast_matchers;
14 
15 namespace clang {
16 namespace tidy {
17 namespace android {
18 
registerMatchers(MatchFinder * Finder)19 void CloexecEpollCreateCheck::registerMatchers(MatchFinder *Finder) {
20   registerMatchersImpl(
21       Finder, functionDecl(returns(isInteger()), hasName("epoll_create"),
22                            hasParameter(0, hasType(isInteger()))));
23 }
24 
check(const MatchFinder::MatchResult & Result)25 void CloexecEpollCreateCheck::check(const MatchFinder::MatchResult &Result) {
26   replaceFunc(Result,
27               "prefer epoll_create() to epoll_create1() "
28               "because epoll_create1() allows "
29               "EPOLL_CLOEXEC",
30               "epoll_create1(EPOLL_CLOEXEC)");
31 }
32 
33 } // namespace android
34 } // namespace tidy
35 } // namespace clang
36