refactor: started lnm library

lnm/src/_include/lnm/loop_internal.h

@@ -0,0 +1,5 @@
+#include "lnm/loop.h"
+
+lnm_err lnm_loop_conn_init(lnm_loop_conn **out, lnm_loop *l);
+
+void lnm_loop_conn_free(lnm_loop *l, lnm_loop_conn *conn);

lnm/src/loop/lnm_loop.c

@@ -0,0 +1 @@
+#include "lnm/loop.h"

lnm/src/loop/lnm_loop_conn.c

@@ -0,0 +1,22 @@
+#include "lnm/loop_internal.h"
+
+lnm_err lnm_loop_conn_init(lnm_loop_conn **out, lnm_loop *l) {
+  lnm_loop_conn *conn = calloc(1, sizeof(lnm_loop_conn));
+
+  if (conn == NULL) {
+    return lnm_err_failed_alloc;
+  }
+
+  void *ctx;
+  LNM_RES2(l->ctx_init(&ctx, l->gctx), free(conn));
+
+  conn->ctx = ctx;
+  *out = conn;
+
+  return lnm_err_ok;
+}
+
+void lnm_loop_conn_free(lnm_loop *l, lnm_loop_conn *conn) {
+  l->ctx_free(conn->ctx);
+  free(conn);
+}