revert to later shim method

Author: shikokuchuo

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: nanonext
 Type: Package
 Title: NNG (Nanomsg Next Gen) Lightweight Messaging Library
-Version: 0.13.6.9014
+Version: 0.13.6.9015
 Description: R binding for NNG (Nanomsg Next Gen), a successor to ZeroMQ. NNG is
     a socket library implementing 'Scalability Protocols', a reliable,
     high-performance standard for common communications patterns including

NEWS.md

@@ -1,4 +1,4 @@
-# nanonext 0.13.6.9014 (development)
+# nanonext 0.13.6.9015 (development)
 
 #### New Features
 

src/init.c

@@ -53,12 +53,6 @@ SEXP nano_unresolved;
 
 SEXP nano_precious;
 
-static void (*eln2)(void (*)(void *), void *, double, int);
-
-void later2(void (*fun)(void *), void *data) {
-  eln2(fun, data, 0, 0);
-}
-
 static void RegisterSymbols(void) {
   nano_AioSymbol = Rf_install("aio");
   nano_ContextSymbol = Rf_install("context");
@@ -201,7 +195,6 @@ static const R_ExternalMethodDef externalMethods[] = {
 void attribute_visible R_init_nanonext(DllInfo* dll) {
   RegisterSymbols();
   PreserveObjects();
-  eln2 = (void (*)(void (*)(void *), void *, double, int)) R_GetCCallable("later", "execLaterNative2");
   R_registerRoutines(dll, NULL, callMethods, NULL, externalMethods);
   R_useDynamicSymbols(dll, FALSE);
   R_forceSymbols(dll, TRUE);

src/later_shim.cpp

@@ -0,0 +1,5 @@
+#include <later_api.h>
+
+extern "C" void later2(void (*func)(void*), void* data) {
+  later::later(func, data, 0);
+}