Changeset e5556e4a in mainline for uspace/lib/c

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/lib/c

Files:

• generic/devman.c (modified) (1 diff)
• include/devman.h (modified) (1 diff)
• include/ipc/devman.h (modified) (2 diffs)

uspace/lib/c/generic/devman.c

@@ -604 +604 @@
 }
 
+int devman_driver_get_state(devman_handle_t drvh, driver_state_t *rstate)
+{
+        sysarg_t state;
+        async_exch_t *exch = devman_exchange_begin(DEVMAN_CLIENT);
+        if (exch == NULL)
+                return ENOMEM;
+        
+        int rc = async_req_1_1(exch, DEVMAN_DRIVER_GET_STATE, drvh,
+            &state);
+        
+        devman_exchange_end(exch);
+        if (rc != EOK)
+                return rc;
+
+        *rstate = state;
+        return rc;
+}
+
 /** @}
  */

uspace/lib/c/include/devman.h

@@ -73 +73 @@
 extern int devman_get_drivers(devman_handle_t **, size_t *);
 extern int devman_driver_get_name(devman_handle_t, char *, size_t);
+extern int devman_driver_get_state(devman_handle_t, driver_state_t *);
 
 #endif

uspace/lib/c/include/ipc/devman.h

@@ -42 +42 @@
 
 typedef sysarg_t devman_handle_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;
 
 typedef enum {
@@ -163 +177 @@
         DEVMAN_FUN_SID_TO_HANDLE,
         DEVMAN_GET_DRIVERS,
-        DEVMAN_DRIVER_GET_NAME
+        DEVMAN_DRIVER_GET_NAME,
+        DEVMAN_DRIVER_GET_STATE
 } client_to_devman_t;