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-rw-r--r--source/Host/common/OptionParser.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/source/Host/common/OptionParser.cpp b/source/Host/common/OptionParser.cpp
index a91e764bfe3b..a9784592a738 100644
--- a/source/Host/common/OptionParser.cpp
+++ b/source/Host/common/OptionParser.cpp
@@ -16,8 +16,10 @@
using namespace lldb_private;
void
-OptionParser::Prepare()
+OptionParser::Prepare(Mutex::Locker &locker)
{
+ static Mutex g_mutex(Mutex::eMutexTypeNormal);
+ locker.Lock(g_mutex);
#ifdef __GLIBC__
optind = 0;
#else