From: Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
Date: Mon, 13 Dec 2021 11:22:48 +0000 (+0100)
Subject: gdbserver/linux-low: replace direct assignment to current_thread
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=20ac1cdb8c76397a314c248c3db733d7db1f8339;p=binutils-gdb.git

gdbserver/linux-low: replace direct assignment to current_thread

Use scoped_restore_current_thread and switch_to_thread in
linux_process_target::wait_for_sigstop.
---

diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc
index 373bacbb74d..185dab4527f 100644
--- a/gdbserver/linux-low.cc
+++ b/gdbserver/linux-low.cc
@@ -3826,6 +3826,8 @@ linux_process_target::wait_for_sigstop ()
   else
     saved_tid = null_ptid; /* avoid bogus unused warning */
 
+  scoped_restore_current_thread restore_thread;
+
   if (debug_threads)
     debug_printf ("wait_for_sigstop: pulling events\n");
 
@@ -3836,7 +3838,7 @@ linux_process_target::wait_for_sigstop ()
   gdb_assert (ret == -1);
 
   if (saved_thread == NULL || mythread_alive (saved_tid))
-    current_thread = saved_thread;
+    return;
   else
     {
       if (debug_threads)
@@ -3845,7 +3847,8 @@ linux_process_target::wait_for_sigstop ()
       /* We can't change the current inferior behind GDB's back,
 	 otherwise, a subsequent command may apply to the wrong
 	 process.  */
-      current_thread = NULL;
+      restore_thread.dont_restore ();
+      switch_to_thread (nullptr);
     }
 }