Fix race condition when using --threads with linker plugins.

[external/binutils.git] / gold / plugin.cc

diff --git a/gold/plugin.cc b/gold/plugin.cc
index 0339d42..4b0f3cf 100644 (file)
--- a/gold/plugin.cc
+++ b/gold/plugin.cc
@@ -427,6 +427,7 @@ Plugin_manager::~Plugin_manager()
        ++obj)
     delete *obj;
   this->objects_.clear();
+  delete this->lock_;
 }
 
 // Load all plugin libraries.
@@ -447,6 +448,10 @@ Pluginobj*
 Plugin_manager::claim_file(Input_file* input_file, off_t offset,
                            off_t filesize, Object* elf_object)
 {
+  bool lock_initialized = this->initialize_lock_.initialize();
+
+  gold_assert(lock_initialized);
+  Hold_lock hl(*this->lock_);
   if (this->in_replacement_phase_)
     return NULL;