yawanng updated this revision to Diff 110751.
https://reviews.llvm.org/D35367
Files:
clang-tidy/android/AndroidTidyModule.cpp
clang-tidy/android/CMakeLists.txt
clang-tidy/android/CloexecEpollCreateCheck.cpp
clang-tidy/android/CloexecEpollCreateCheck.h
docs/ReleaseNotes.rst
docs/clang-tidy/checks/android-cloexec-epoll-create.rst
docs/clang-tidy/checks/list.rst
test/clang-tidy/android-cloexec-epoll-create.cpp
Index: test/clang-tidy/android-cloexec-epoll-create.cpp
===================================================================
--- /dev/null
+++ test/clang-tidy/android-cloexec-epoll-create.cpp
@@ -0,0 +1,24 @@
+// RUN: %check_clang_tidy %s android-cloexec-epoll-create %t
+
+extern "C" int epoll_create(int size);
+
+void f() {
+ epoll_create(0);
+ // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: prefer epoll_create() to epoll_create1() because epoll_create1() allows EPOLL_CLOEXEC [android-cloexec-epoll-create]
+ // CHECK-FIXES: epoll_create1(EPOLL_CLOEXEC);
+}
+
+namespace i {
+int epoll_create(int size);
+void g() {
+ epoll_create(0);
+}
+} // namespace i
+
+class C {
+public:
+ int epoll_create(int size);
+ void h() {
+ epoll_create(0);
+ }
+};
Index: docs/clang-tidy/checks/list.rst
===================================================================
--- docs/clang-tidy/checks/list.rst
+++ docs/clang-tidy/checks/list.rst
@@ -5,6 +5,7 @@
.. toctree::
android-cloexec-creat
+ android-cloexec-epoll-create
android-cloexec-fopen
android-cloexec-memfd-create
android-cloexec-open
Index: docs/clang-tidy/checks/android-cloexec-epoll-create.rst
===================================================================
--- /dev/null
+++ docs/clang-tidy/checks/android-cloexec-epoll-create.rst
@@ -0,0 +1,17 @@
+.. title:: clang-tidy - android-cloexec-epoll-create
+
+android-cloexec-epoll-create
+============================
+
+The usage of ``epoll_create()`` is not recommended, it's better to use
+``epoll_create1()``, which allows close-on-exec.
+
+Examples:
+
+.. code-block:: c++
+
+ epoll_create(size);
+
+ // becomes
+
+ epoll_create1(EPOLL_CLOEXEC);
Index: docs/ReleaseNotes.rst
===================================================================
--- docs/ReleaseNotes.rst
+++ docs/ReleaseNotes.rst
@@ -70,6 +70,11 @@
``AllowConditionalIntegerCasts`` -> ``AllowIntegerConditions``,
``AllowConditionalPointerCasts`` -> ``AllowPointerConditions``.
+- New `android-cloexec-epoll-create
+ <http://clang.llvm.org/extra/clang-tidy/checks/android-cloexec-epoll-create.html>`_ check
+
+ Detects usage of ``epoll_create()``.
+
- New `android-cloexec-memfd_create
<http://clang.llvm.org/extra/clang-tidy/checks/android-cloexec-memfd_create.html>`_ check
Index: clang-tidy/android/CloexecEpollCreateCheck.h
===================================================================
--- /dev/null
+++ clang-tidy/android/CloexecEpollCreateCheck.h
@@ -0,0 +1,35 @@
+//===--- CloexecEpollCreateCheck.h - clang-tidy------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CLOEXEC_EPOLL_CREATE_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CLOEXEC_EPOLL_CREATE_H
+
+#include "CloexecCheck.h"
+
+namespace clang {
+namespace tidy {
+namespace android {
+
+/// epoll_create() is better to be replaced by epoll_create1().
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/android-cloexec-epoll-create.html
+class CloexecEpollCreateCheck : public CloexecCheck {
+public:
+ CloexecEpollCreateCheck(StringRef Name, ClangTidyContext *Context)
+ : CloexecCheck(Name, Context) {}
+ void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+ void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+};
+
+} // namespace android
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CLOEXEC_EPOLL_CREATE_H
Index: clang-tidy/android/CloexecEpollCreateCheck.cpp
===================================================================
--- /dev/null
+++ clang-tidy/android/CloexecEpollCreateCheck.cpp
@@ -0,0 +1,36 @@
+//===--- CloexecEpollCreateCheck.cpp - clang-tidy--------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CloexecEpollCreateCheck.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang {
+namespace tidy {
+namespace android {
+
+void CloexecEpollCreateCheck::registerMatchers(MatchFinder *Finder) {
+ registerMatchersImpl(
+ Finder, functionDecl(returns(isInteger()), hasName("epoll_create"),
+ hasParameter(0, hasType(isInteger()))));
+}
+
+void CloexecEpollCreateCheck::check(const MatchFinder::MatchResult &Result) {
+ replaceFunc(Result, /*WarningMsg=*/
+ "prefer epoll_create() to epoll_create1() "
+ "because epoll_create1() allows "
+ "EPOLL_CLOEXEC", /*FixMsg=*/
+ "epoll_create1(EPOLL_CLOEXEC)");
+}
+
+} // namespace android
+} // namespace tidy
+} // namespace clang
Index: clang-tidy/android/CMakeLists.txt
===================================================================
--- clang-tidy/android/CMakeLists.txt
+++ clang-tidy/android/CMakeLists.txt
@@ -4,6 +4,7 @@
AndroidTidyModule.cpp
CloexecCheck.cpp
CloexecCreatCheck.cpp
+ CloexecEpollCreateCheck.cpp
CloexecFopenCheck.cpp
CloexecMemfdCreateCheck.cpp
CloexecOpenCheck.cpp
Index: clang-tidy/android/AndroidTidyModule.cpp
===================================================================
--- clang-tidy/android/AndroidTidyModule.cpp
+++ clang-tidy/android/AndroidTidyModule.cpp
@@ -11,6 +11,7 @@
#include "../ClangTidyModule.h"
#include "../ClangTidyModuleRegistry.h"
#include "CloexecCreatCheck.h"
+#include "CloexecEpollCreateCheck.h"
#include "CloexecFopenCheck.h"
#include "CloexecMemfdCreateCheck.h"
#include "CloexecOpenCheck.h"
@@ -27,6 +28,8 @@
public:
void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override {
CheckFactories.registerCheck<CloexecCreatCheck>("android-cloexec-creat");
+ CheckFactories.registerCheck<CloexecEpollCreateCheck>(
+ "android-cloexec-epoll-create");
CheckFactories.registerCheck<CloexecFopenCheck>("android-cloexec-fopen");
CheckFactories.registerCheck<CloexecMemfdCreateCheck>(
"android-cloexec-memfd-create");
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
