Changeset 9e889f6 in mainline for uspace/lib/c/generic/thread/futex.c

Timestamp:

2018-11-11T15:46:26Z (6 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

0b5203b

Parents:

d314571

git-author:

Jakub Jermar <jakub@…> (2018-11-10 14:53:45)

git-committer:

Jakub Jermar <jakub@…> (2018-11-11 15:46:26)

Message:

Switch userspace futexes to using waitq kobjects

This replaces futexes entirely when they are not shared across address
spaces.

File:

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

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

@@ -53 +53 @@
 {
         atomic_store_explicit(&futex->val, val, memory_order_relaxed);
+        atomic_store_explicit(&futex->alloc_lock, 0, memory_order_relaxed);
+        futex->whandle = CAP_NIL;
 }