Changeset 87179ca in mainline

Timestamp:

2012-12-04T16:56:33Z (11 years ago)

Author:

Adam Hraska <adam.hraska+hos@…>

Branches:

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

Children:

6c1bb0d

Parents:

df7cbc6

Message:

Backed rwlock with futex lock instead of a futex semaphore.

File:

• uspace/lib/c/include/rwlock.h (modified) (1 diff)

uspace/lib/c/include/rwlock.h

@@ -49 +49 @@
 
 #define rwlock_initialize(rwlock)       futex_initialize((rwlock), 1)
-#define rwlock_read_lock(rwlock)        futex_down((rwlock))
-#define rwlock_write_lock(rwlock)       futex_down((rwlock))
-#define rwlock_read_unlock(rwlock)      futex_up((rwlock))
-#define rwlock_write_unlock(rwlock)     futex_up((rwlock))
+#define rwlock_read_lock(rwlock)        futex_lock((rwlock))
+#define rwlock_write_lock(rwlock)       futex_lock((rwlock))
+#define rwlock_read_unlock(rwlock)      futex_unlock((rwlock))
+#define rwlock_write_unlock(rwlock)     futex_unlock((rwlock))
 
 #endif