gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gold / workqueue.h

diff --git a/gold/workqueue.h b/gold/workqueue.h
index 7c87d15adb3fe44f04e5ff44059d2d559326ddc9..96ceb4c58df47c92e7934a280c734eba27ac4b2b 100644 (file)
--- a/gold/workqueue.h
+++ b/gold/workqueue.h
@@ -1,6 +1,6 @@
 // workqueue.h -- the work queue for gold   -*- C++ -*-
 
-// Copyright 2006, 2007 Free Software Foundation, Inc.
+// Copyright (C) 2006-2020 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -152,7 +152,7 @@ class Task_function : public Task
   Task_function(Task_function_runner* runner, Task_token* blocker,
                const char* name)
     : runner_(runner), blocker_(blocker), name_(name)
-  { }
+  { gold_assert(blocker != NULL); }
 
   ~Task_function()
   {
@@ -227,6 +227,12 @@ class Workqueue
   void
   set_thread_count(int);
 
+  // Add a new blocker to an existing Task_token. This must be done
+  // with the workqueue lock held.  This should not be done routinely,
+  // only in special circumstances.
+  void
+  add_blocker(Task_token*);
+
  private:
   // This class can not be copied.
   Workqueue(const Workqueue&);
@@ -262,7 +268,7 @@ class Workqueue
 
   // Return whether to cancel this thread.
   bool
-  should_cancel_thread();
+  should_cancel_thread(int thread_number);
 
   // Master Workqueue lock.  This controls access to the following
   // member variables.