Changeset aaa3c457 in mainline for uspace/lib/c/generic/thread/futex.c

Timestamp:

2018-11-12T10:36:10Z (3 years ago)

Author:

GitHub <noreply@…>

Branches:

lfn, master

Children:

a43dfcb

Parents:

3ce781f4 (diff), 6874bd2 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

git-author:

Jakub Jermář <jakub@…> (2018-11-12 10:36:10)

git-committer:

GitHub <noreply@…> (2018-11-12 10:36:10)

Message:

Merge pull request #56 from jermar/futexremoval

Remove kernel support for futexes in favor of waitq kobjects.

File:

• uspace/lib/c/generic/thread/futex.c (modified) (1 diff)

uspace/lib/c/generic/thread/futex.c

@@ -49 +49 @@
  * @param val   Initialization value.
  *
+ * @return      Error code.
  */
-void futex_initialize(futex_t *futex, int val)
+errno_t futex_initialize(futex_t *futex, int val)
 {
         atomic_store_explicit(&futex->val, val, memory_order_relaxed);
+        futex->whandle = CAP_NIL;
+        return futex_allocate_waitq(futex);
 }