Changeset 9f7276d in mainline for uspace/lib/usb/src/hc.c

Timestamp:

2011-06-17T16:47:46Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

d37d1b77

Parents:

4d3c13e

Message:

Use atomic exchanges where possible

File:

• uspace/lib/usb/src/hc.c (modified) (3 diffs)

uspace/lib/usb/src/hc.c

@@ -98 +98 @@
                 return EBUSY;
         
-        async_sess_t *sess = devman_device_connect(EXCHANGE_SERIALIZE,
+        async_sess_t *sess = devman_device_connect(EXCHANGE_ATOMIC,
             connection->hc_handle, 0);
         if (!sess)
@@ -177 +177 @@
 {
         async_sess_t *parent_sess =
-            devman_parent_device_connect(EXCHANGE_SERIALIZE, dev_handle,
+            devman_parent_device_connect(EXCHANGE_ATOMIC, dev_handle,
             IPC_FLAG_BLOCKING);
         if (!parent_sess)
@@ -241 +241 @@
 {
         async_sess_t *parent_sess =
-            devman_parent_device_connect(EXCHANGE_SERIALIZE, device_handle,
+            devman_parent_device_connect(EXCHANGE_ATOMIC, device_handle,
             IPC_FLAG_BLOCKING);
         if (!parent_sess)