patacongo commented on a change in pull request #1187:
URL: https://github.com/apache/incubator-nuttx/pull/1187#discussion_r438960780
##########
File path: include/nuttx/sched.h
##########
@@ -714,6 +714,23 @@ struct tcb_s
FAR struct mqueue_inode_s *msgwaitq; /* Waiting for this message queue
*/
#endif
+ /* Robust mutex support
*******************************************************/
+
+#if !defined(CONFIG_DISABLE_PTHREAD) && !defined(CONFIG_PTHREAD_MUTEX_UNSAFE)
+ FAR struct pthread_mutex_s *mhead; /* List of mutexes held by thread
*/
+#endif
+
+ /* Clean-up stack
*************************************************************/
+
+#ifdef CONFIG_PTHREAD_CLEANUP
+ /* tos - The index to the next available entry at the top of the stack.
+ * stack - The pre-allocated clean-up stack memory.
+ */
+
+ uint8_t tos;
+ struct pthread_cleanup_s stack[CONFIG_PTHREAD_CLEANUP_STACKSIZE];
+#endif
+
Review comment:
Wouldn't it be better to move these into TLS? They should only be used
by user space applications and, hence, should be accessed in the same way that
the errno variable is.
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