Changeset 7707954 in mainline for uspace/lib/libc/generic/devman.c

Timestamp:

2010-03-18T21:20:17Z (14 years ago)

Author:

Lenka Trochtova <trochtova.lenka@…>

Branches:

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

Children:

bda60d9

Parents:

084ff99

Message:

child device registration - parts of code

File:

• uspace/lib/libc/generic/devman.c (modified) (1 diff)

uspace/lib/libc/generic/devman.c

@@ -106 +106 @@
 }
 
+int devman_child_device_register(const char *name, long parent_handle, long *handle)
+{       
+        int phone = devman_get_phone(DEVMAN_DRIVER, IPC_FLAG_BLOCKING);
+        
+        if (phone < 0)
+                return phone;
+        
+        async_serialize_start();
+        
+        ipc_call_t answer;
+        aid_t req = async_send_1(phone, DEVMAN_ADD_CHILD_DEVICE, parent_handle, &answer);
+
+        ipcarg_t retval = async_data_write_start(phone, name, str_size(name));
+        if (retval != EOK) {
+                async_wait_for(req, NULL);
+                async_serialize_end();
+                return retval;
+        }
+        
+        async_wait_for(req, &retval);
+        
+        async_serialize_end();
+        
+        if (retval != EOK) {
+                if (handle != NULL) {
+                        *handle = -1;
+                }
+                return retval;
+        }       
+        
+        if (handle != NULL)
+                *handle = (int) IPC_GET_ARG1(answer);   
+}
+
 void devman_hangup_phone(devman_interface_t iface)
 {