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Move _Thread_queue_Queue::_Lock for RTEMS 

Move _Thread_queue_Queue::_Lock to begin of the structure.  On RTEMS,
the presence of a lock component in the thread queue structures actually
depends on the build-time RTEMS_SMP configuration option.  A move of
this part to the begin of the structure allows an implementation re-use
for the other parts.

Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
This commit is contained in:
Jeff Johnston 2016-05-03 14:17:47 -04:00
parent f310e8d951
commit 4f81837d78
1 changed files with 3 additions and 3 deletions
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6
newlib/libc/sys/rtems/include/sys/lock.h
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2015 embedded brains GmbH. All rights reserved. * Copyright (c) 2015, 2016 embedded brains GmbH. All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
@ -43,8 +43,8 @@ struct _Ticket_lock_Control {
}; };
struct _Thread_queue_Queue { struct _Thread_queue_Queue {
struct _Thread_queue_Heads *_heads;
struct _Ticket_lock_Control _Lock; struct _Ticket_lock_Control _Lock;
struct _Thread_queue_Heads *_heads;
}; };
struct _Mutex_Control { struct _Mutex_Control {
@ -70,7 +70,7 @@ struct _Futex_Control {
struct _Thread_queue_Queue _Queue; struct _Thread_queue_Queue _Queue;
}; };
#define _THREAD_QUEUE_INITIALIZER { 0, { 0, 0 } } #define _THREAD_QUEUE_INITIALIZER { { 0, 0 }, 0 }
#define _MUTEX_INITIALIZER { _THREAD_QUEUE_INITIALIZER, 0 } #define _MUTEX_INITIALIZER { _THREAD_QUEUE_INITIALIZER, 0 }