Changeset 8bf1eeb in mainline

Timestamp:

2011-02-10T21:48:07Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

0a6fa9f

Parents:

0397e5a4

Message:

Add async_data_read() function to libc

The function is an asynchronous version of async_data_read_start().

Location:

uspace/lib/c

Files:

• generic/async.c (modified) (1 diff)
• include/async.h (modified) (1 diff)

uspace/lib/c/generic/async.c

@@ -1567 +1567 @@
 }
 
+/** Start IPC_M_DATA_READ using the async framework.
+ *
+ * @param phoneid Phone that will be used to contact the receiving side.
+ * @param dst Address of the beginning of the destination buffer.
+ * @param size Size of the destination buffer (in bytes).
+ * @param dataptr Storage of call data (arg 2 holds actual data size).
+ * @return Hash of the sent message or 0 on error.
+ */
+aid_t async_data_read(int phoneid, void *dst, size_t size, ipc_call_t *dataptr)
+{
+        return async_send_2(phoneid, IPC_M_DATA_READ, (sysarg_t) dst,
+            (sysarg_t) size, dataptr);
+}
+
 /** Wrapper for IPC_M_DATA_READ calls using the async framework.
  *

uspace/lib/c/include/async.h

@@ -340 +340 @@
             (arg4), (answer))
 
+extern aid_t async_data_read(int, void *, size_t, ipc_call_t *);
 extern int async_data_read_start(int, void *, size_t);
 extern bool async_data_read_receive(ipc_callid_t *, size_t *);