[libFuzzer][Windows] Port fork mode to Windows
Summary:
Port libFuzzer's fork mode to Windows.
Implement Windows versions of MkDir, RmDir, and IterateDirRecursive to do this.
Don't print error messages under new normal uses of FileSize (on a non-existent file).
Implement portable way of piping output to /dev/null.
Fix test for Windows and comment fork-sigusr.test on why it won't be ported to Win.
Reviewers: zturner
Reviewed By: zturner
Subscribers: kcc, zturner, jdoerfert, #sanitizers, llvm-commits
Tags: #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D58513
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer@355019 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/FuzzerIOPosix.cpp b/FuzzerIOPosix.cpp
index 92d19d3..953848a 100644
--- a/FuzzerIOPosix.cpp
+++ b/FuzzerIOPosix.cpp
@@ -170,6 +170,11 @@
rmdir(Path.c_str());
}
+const std::string &getDevNull() {
+ static const std::string devNull = "/dev/null";
+ return devNull;
+}
+
} // namespace fuzzer
#endif // LIBFUZZER_POSIX