Changeset 3679f51a in mainline for uspace/lib/c/generic/thread.c

Timestamp:

2018-06-25T20:41:09Z (6 years ago)

Author:

Jiří Zárevúcky <jiri.zarevucky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

95838f1

Parents:

d73d992

git-author:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-06-25 20:30:35)

git-committer:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-06-25 20:41:09)

Message:

Remove the option of RCU-upgradable futexes for now.
They complicate threading design too much.

File:

• uspace/lib/c/generic/thread.c (modified) (3 diffs)

uspace/lib/c/generic/thread.c

@@ -48 +48 @@
 #include "private/fibril.h"
 
-#ifdef FUTEX_UPGRADABLE
-#include <rcu.h>
-#endif
-
-
 /** Main thread function.
  *
@@ -69 +64 @@
 
         __tcb_set(fibril->tcb);
-
-#ifdef FUTEX_UPGRADABLE
-        rcu_register_fibril();
-        futex_upgrade_all_and_wait();
-#endif
 
         uarg->uspace_thread_function(uarg->uspace_thread_arg);
@@ -85 +75 @@
         /* If there is a manager, destroy it */
         async_destroy_manager();
-
-#ifdef FUTEX_UPGRADABLE
-        rcu_deregister_fibril();
-#endif
 
         fibril_teardown(fibril, false);