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-rw-r--r--src/libmdsserver/linked-list.h9
-rw-r--r--src/mds-server.c29
2 files changed, 16 insertions, 22 deletions
diff --git a/src/libmdsserver/linked-list.h b/src/libmdsserver/linked-list.h
index 69298ca..30808fc 100644
--- a/src/libmdsserver/linked-list.h
+++ b/src/libmdsserver/linked-list.h
@@ -266,6 +266,15 @@ void linked_list_marshal(const linked_list_t* restrict this, char* restrict data
*/
int linked_list_unmarshal(linked_list_t* restrict this, char* restrict data);
+/**
+ * Wrapper for `for` keyword that iterates over each element in a linked list
+ *
+ * @param list:linked_list_t The linked list
+ * @param node:ssize_t The variable to store the node in at each iteration
+ */
+#define foreach_linked_list_node(list, node) \
+ for (node = list.edge; (node = list.next[node]) != list.edge;)
+
#endif
diff --git a/src/mds-server.c b/src/mds-server.c
index 8c9a863..d3ef424 100644
--- a/src/mds-server.c
+++ b/src/mds-server.c
@@ -683,13 +683,9 @@ void sigusr1_trap(int signo)
pthread_kill(master_thread, signo);
with_mutex(slave_mutex,
- for (node = client_list.edge;;)
+ foreach_linked_list_node (client_list, node)
{
- client_t* value;
- if ((node = client_list.next[node]) == client_list.edge)
- break;
-
- value = (client_t*)(void*)(client_list.values[node]);
+ client_t* value = (client_t*)(void*)(client_list.values[node]);
if (pthread_equal(current_thread, value->thread) == 0)
pthread_kill(value->thread, signo);
});
@@ -751,19 +747,12 @@ int marshal_server(int fd)
buf_set_next(state_buf_, size_t, list_elements);
/* Marshal the clients. */
- for (node = client_list.edge;;)
+ foreach_linked_list_node (client_list, node)
{
- size_t value_address;
- client_t* value;
-
- /* Get the next client's node in the linked list. */
- if ((node = client_list.next[node]) == client_list.edge)
- break;
-
/* Get the memory address of the client. */
- value_address = client_list.values[node];
+ size_t value_address = client_list.values[node];
/* Get the client's information. */
- value = (client_t*)(void*)value_address;
+ client_t* value = (client_t*)(void*)value_address;
/* Get the marshalled size of the message. */
msg_size = mds_message_marshal_size(&(value->message), 1);
@@ -1004,14 +993,10 @@ int unmarshal_server(int fd)
client_map.used[i / 64] &= ~((uint64_t)1 << (i % 64));
/* Remap the linked list and remove non-found elements, and start the clients. */
- for (node = client_list.edge;;)
+ foreach_linked_list_node (client_list, node)
{
- size_t new_address;
- if ((node = client_list.next[node]) == client_list.edge)
- break;
-
/* Remap the linked list and remove non-found elements. */
- new_address = unmarshal_remapper(client_list.values[node]);
+ size_t new_address = unmarshal_remapper(client_list.values[node]);
client_list.values[node] = new_address;
if (new_address == 0) /* Returned if missing (or if the address is the invalid NULL.) */
linked_list_remove(&client_list, node);