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-rw-r--r--src/include/kernel/msg.H28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/include/kernel/msg.H b/src/include/kernel/msg.H
new file mode 100644
index 000000000..7a32197f5
--- /dev/null
+++ b/src/include/kernel/msg.H
@@ -0,0 +1,28 @@
+#ifndef __KERNEL_MSG_H
+#define __KERNEL_MSG_H
+
+#include <kernel/types.h>
+#include <sys/msg.h>
+#include <util/locked/list.H>
+#include <util/locked/queue.H>
+
+struct MessagePending
+{
+ typedef msg_t* key_type;
+ key_type key;
+ task_t* task;
+
+ MessagePending* prev;
+ MessagePending* next;
+};
+
+class MessageQueue
+{
+ public:
+ Spinlock lock;
+ Util::Locked::List<MessagePending, MessagePending::key_type> messages;
+ Util::Locked::List<MessagePending, MessagePending::key_type> responses;
+ Util::Locked::Queue<task_t> waiting;
+};
+
+#endif
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