[PATCH] gdbserver: Reset current_thread when its process is removed.

[Aleksandar Ristovski <aristovski@qnx.com>]

In case of running gdbserver with --multi, if a nat file
removes a process, current_thread may remain set to now
freed 'process' entry.

This may lead to wrong operation or a crash.

gdb/gdbserver/ChangeLog:
	* inferiors.c (remove_process): Reset current_thread if its
	associated process gets removed.
---
 gdb/gdbserver/inferiors.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gdb/gdbserver/inferiors.c b/gdb/gdbserver/inferiors.c
index 21f45fa..4688a44 100644
--- a/gdb/gdbserver/inferiors.c
+++ b/gdb/gdbserver/inferiors.c
@@ -291,6 +291,11 @@ remove_process (struct process_info *process)
 {
   clear_symbol_cache (&process->symbol_cache);
   free_all_breakpoints (process);
+  if (current_thread && get_thread_process (current_thread) == process)
+    {
+      remove_thread (current_thread);
+      current_thread = NULL;
+    }
   remove_inferior (&all_processes, &process->entry);
   free (process);
 }
-- 
1.9.1