[libFuzzer] handle SIGUSR1/SIGUSR2 and try to exit grafully on these signals
llvm-svn: 317829
diff --git a/compiler-rt/lib/fuzzer/FuzzerMerge.cpp b/compiler-rt/lib/fuzzer/FuzzerMerge.cpp
index 89b4821..59e34cf 100644
--- a/compiler-rt/lib/fuzzer/FuzzerMerge.cpp
+++ b/compiler-rt/lib/fuzzer/FuzzerMerge.cpp
@@ -223,6 +223,7 @@
std::ofstream OF(CFPath, std::ofstream::out | std::ofstream::app);
Set<size_t> AllFeatures;
for (size_t i = M.FirstNotProcessedFile; i < M.Files.size(); i++) {
+ MaybeExitGracefully();
auto U = FileToVector(M.Files[i].Name);
if (U.size() > MaxInputLen) {
U.resize(MaxInputLen);
@@ -334,6 +335,7 @@
CloneArgsWithoutX(Args, "merge"));
bool Success = false;
for (size_t Attempt = 1; Attempt <= NumAttempts; Attempt++) {
+ MaybeExitGracefully();
Printf("MERGE-OUTER: attempt %zd\n", Attempt);
auto ExitCode =
ExecuteCommand(BaseCmd.first + " -merge_control_file=" + CFPath +