Changeset 77bd004 in mainline

Timestamp:

2006-03-23T11:01:03Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

17242c6e

Parents:

29a9f62

Message:

Fix futexes to correctly wake sleeping threads.

File:

• libc/generic/futex.c (modified) (1 diff)

libc/generic/futex.c

@@ -50 +50 @@
 int futex_up(atomic_t *futex)
 {
-        if (atomic_preinc(futex) == 0)
+        long val;
+        
+        val = atomic_postinc(futex);
+        if (val < 0)
                 return __SYSCALL1(SYS_FUTEX_WAKEUP, (sysarg_t) &futex->count);