[msan] A runtime option to disable wrapping of signal handlers.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@178865 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/msan/msan.cc b/lib/msan/msan.cc
index 6470144df..dd5e31b34 100644
--- a/lib/msan/msan.cc
+++ b/lib/msan/msan.cc
@@ -129,6 +129,7 @@ static void ParseFlagsFromString(Flags *f, const char *str) {
   ParseFlag(str, &f->strip_path_prefix, "strip_path_prefix");
   ParseFlag(str, &f->fast_unwind_on_fatal, "fast_unwind_on_fatal");
   ParseFlag(str, &f->fast_unwind_on_malloc, "fast_unwind_on_malloc");
+  ParseFlag(str, &f->wrap_signals, "wrap_signals");
 }
 
 static void InitializeFlags(Flags *f, const char *options) {
@@ -144,6 +145,7 @@ static void InitializeFlags(Flags *f, const char *options) {
   f->strip_path_prefix = "";
   f->fast_unwind_on_fatal = false;
   f->fast_unwind_on_malloc = true;
+  f->wrap_signals = true;
 
   // Override from user-specified string.
   if (__msan_default_options)