Changeset e5556e4a in mainline for uspace/srv

Timestamp:

2013-09-11T09:46:38Z (12 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

7969087

Parents:

4c6ade6

Message:

Reverse order of drivers in driver list. Print driver state.

Location:

uspace/srv/devman

Files:

• client_conn.c (modified) (2 diffs)
• devman.h (modified) (2 diffs)
• driver.c (modified) (1 diff)

uspace/srv/devman/client_conn.c

@@ -490 +490 @@
 }
 
+/** Get driver state. */
+static void devman_driver_get_state(ipc_callid_t iid, ipc_call_t *icall)
+{
+        driver_t *drv;
+        
+        drv = driver_find(&drivers_list, IPC_GET_ARG1(*icall));
+        if (drv == NULL) {
+                async_answer_0(iid, ENOENT);
+                return;
+        }
+        
+        async_answer_1(iid, EOK, (sysarg_t) drv->state);
+}
+
 /** Function for handling connections from a client to the device manager. */
 void devman_connection_client(ipc_callid_t iid, ipc_call_t *icall)
@@ -537 +551 @@
                         devman_driver_get_name(callid, &call);
                         break;
+                case DEVMAN_DRIVER_GET_STATE:
+                        devman_driver_get_state(callid, &call);
+                        break;
                 default:
                         async_answer_0(callid, ENOENT);

uspace/srv/devman/devman.h

@@ -62 +62 @@
 } client_t;
 
-typedef enum {
-        /** Driver has not been started. */
-        DRIVER_NOT_STARTED = 0,
-        
-        /**
-         * Driver has been started, but has not registered as running and ready
-         * to receive requests.
-         */
-        DRIVER_STARTING,
-        
-        /** Driver is running and prepared to serve incomming requests. */
-        DRIVER_RUNNING
-} driver_state_t;
-
 /** Representation of device driver. */
 typedef struct driver {
@@ -87 +73 @@
          * and prepared to receive requests.
          */
-        int state;
+        driver_state_t state;
         
         /** Session asociated with this driver. */

uspace/srv/devman/driver.c

@@ -81 +81 @@
 {
         fibril_mutex_lock(&drivers_list->drivers_mutex);
-        list_prepend(&drv->drivers, &drivers_list->drivers);
+        list_append(&drv->drivers, &drivers_list->drivers);
         drv->handle = drivers_list->next_handle++;
         fibril_mutex_unlock(&drivers_list->drivers_mutex);