audioc: Improve documentation of main().

[paraslash.git] / afs.c

diff --git a/afs.c b/afs.c
index 10f9fa2155fdaee6e19873b814503f3b6169cf51..263f1818a2763522fd04bacbc153ccdaffce1f35 100644 (file)
--- a/afs.c
+++ b/afs.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2007-2012 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -192,7 +192,7 @@ static int dispatch_result(int result_shmid, callback_result_handler *handler,
  * shmid are passed to that function as an osl object. The private_result_data
  * pointer is passed as the second argument to \a result_handler.
  *
- * \return Standard.
+ * \return Number of shared memory areas dispatched on success, negative on errors.
  *
  * \sa send_option_arg_callback_request(), send_standard_callback_request().
  */
@@ -205,7 +205,7 @@ int send_callback_request(callback_function *f, struct osl_object *query,
        void *query_shm;
        char buf[sizeof(afs_socket_cookie) + sizeof(int)];
        size_t query_shm_size = sizeof(*cq);
-       int dispatch_error = 0;
+       int dispatch_error = 0, num_dispatched = 0;
 
        if (query)
                query_shm_size += query->size;
@@ -261,6 +261,7 @@ int send_callback_request(callback_function *f, struct osl_object *query,
                if (ret < 0)
                        PARA_CRIT_LOG("destroy result failed: %s\n",
                                para_strerror(-ret));
+               num_dispatched++;
        }
 out:
        if (shm_destroy(query_shmid) < 0)
@@ -268,7 +269,7 @@ out:
        if (fd >= 0)
                close(fd);
 //     PARA_DEBUG_LOG("callback_ret: %d\n", ret);
-       return ret;
+       return ret < 0? ret : num_dispatched;
 }
 
 /**