Changeset 45c8eea in mainline for uspace/lib/c/generic/async/ports.c

Timestamp:

2018-11-11T15:47:39Z (5 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

f4cb6c5f

Parents:

269bc459

git-author:

Jakub Jermar <jakub@…> (2018-11-10 17:49:44)

git-committer:

Jakub Jermar <jakub@…> (2018-11-11 15:47:39)

Message:

Preallocate waitq handle during initialization

Do not clutter futex_down_composable() with the preallocation of the
wait queue handle and do it single-threadedly in futex_initialize().

File:

• uspace/lib/c/generic/async/ports.c (modified) (2 diffs)

uspace/lib/c/generic/async/ports.c

@@ -100 +100 @@
 
 /** Futex guarding the interface hash table. */
-static FIBRIL_RMUTEX_INITIALIZE(interface_mutex);
+static fibril_rmutex_t interface_mutex;
 static hash_table_t interface_hash_table;
 
@@ -292 +292 @@
 void __async_ports_init(void)
 {
+        if (fibril_rmutex_initialize(&interface_mutex) != EOK)
+                abort();
+
         if (!hash_table_create(&interface_hash_table, 0, 0,
             &interface_hash_table_ops))