Kernel: Add queue syscall and improve TCP

1 files changed, 29 insertions, 0 deletions

diff --git a/kernel/queue.h b/kernel/queue.h
new file mode 100644
index 0000000..0885f16
--- /dev/null
+++ b/kernel/queue.h
@@ -0,0 +1,29 @@
+#include <lib/relist.h>
+#include <sched/scheduler.h>
+#include <typedefs.h>
+
+#define QUEUE_WAIT_READ (1 << 0)
+#define QUEUE_WAIT_WRITE (1 << 1)
+
+#define QUEUE_MOD_ADD 0
+#define QUEUE_MOD_CHANGE 1
+#define QUEUE_MOD_DELETE 2
+
+struct queue_entry {
+  int fd;
+  u8 listen;
+  int data_type;
+  void *data;
+};
+
+struct queue_list {
+  struct relist entries; // Store this as a binary tree(red black trees
+                         // are used by epoll) as file
+                         // descriptors will be used for lookups
+  process_t *process;
+};
+
+int queue_create(void);
+int queue_mod_entries(int fd, int flag, struct queue_entry *entries,
+                      int num_entries);
+int queue_wait(int fd, struct queue_entry *events, int num_events);