Changeset 66374df in rtems

Timestamp:

04/29/16 07:27:11 (7 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

5, master

Children:

981eed2

Parents:

259d885

git-author:

Sebastian Huber <sebastian.huber@…> (04/29/16 07:27:11)

git-committer:

Sebastian Huber <sebastian.huber@…> (05/02/16 05:46:17)

Message:

posix: Avoid Giant lock in _POSIX_signals_Send()

Update #2555.
Update #2690.

File:

• cpukit/posix/src/killinfo.c (modified) (6 diffs)

cpukit/posix/src/killinfo.c

@@ -77 +77 @@
   Thread_queue_Heads          *heads;
   ISR_lock_Context             lock_context;
+  Per_CPU_Control             *cpu_self;
 
   /*
@@ -121 +122 @@
   }
 
-  _Thread_Disable_dispatch();
+  /* FIXME: https://devel.rtems.org/ticket/2690 */
+  cpu_self = _Thread_Dispatch_disable();
 
   /*
@@ -127 +129 @@
    *  get it an execute it as soon as the dispatcher executes.
    */
-  the_thread = _Thread_Executing;
+  the_thread = _Per_CPU_Get_executing( cpu_self );
 
   api = the_thread->API_Extensions[ THREAD_API_POSIX ];
@@ -321 +323 @@
    */
   if ( _POSIX_signals_Unblock_thread( the_thread, sig, siginfo ) ) {
-    _Thread_Enable_dispatch();
+    _Thread_Dispatch_enable( cpu_self );
     return 0;
   }
@@ -341 +343 @@
     if ( !psiginfo ) {
       _POSIX_signals_Release( &lock_context );
-      _Thread_Enable_dispatch();
+      _Thread_Dispatch_enable( cpu_self );
       rtems_set_errno_and_return_minus_one( EAGAIN );
     }
@@ -355 +357 @@
   _POSIX_signals_Release( &lock_context );
   DEBUG_STEP("\n");
-  _Thread_Enable_dispatch();
+  _Thread_Dispatch_enable( cpu_self );
   return 0;
 }