Document Message Queue variables.

[wsti_so.git] / src / process2.c

diff --git a/src/process2.c b/src/process2.c
index d498f1c8300de57ab9eefc5caf00629f09e4af0e..03aea04af4ae7233f54d1ee3fcb70d469358add5 100644 (file)
--- a/src/process2.c
+++ b/src/process2.c
@@ -52,11 +52,24 @@ struct message {
 struct message * processes = NULL;
 
 /**
- * Message queue variables
+ * Message Queue variables
+ */
+
+/**
+ * Unique key of message queue.
  */
 key_t qkey = 12356;
+
+/**
+ * Queue descriptor.
+ */
 int qid;
 
+/**
+ * Structure holding queue message data.
+ * Parameter mtype describes process to whom message is sent.
+ * Parameter signo is a signal to raise after getting message.
+ */
 struct queue_message {
        long mtype;
        int signo[1];