1 files changed, 0 insertions, 157 deletions
diff --git a/engines/null.c b/engines/null.c
deleted file mode 100644
index 812cadfe..00000000
--- a/engines/null.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * null engine
- *
- * IO engine that doesn't do any real IO transfers, it just pretends to.
- * The main purpose is to test fio itself.
- *
- * It also can act as external C++ engine - compiled with:
- *
- * g++ -O2 -g -shared -rdynamic -fPIC -o null.so null.c -DFIO_EXTERNAL_ENGINE
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <assert.h>
-
-#include "../fio.h"
-
-struct null_data {
-	struct io_u **io_us;
-	int queued;
-	int events;
-};
-
-static struct io_u *fio_null_event(struct thread_data *td, int event)
-{
-	struct null_data *nd = (struct null_data *) td->io_ops_data;
-
-	return nd->io_us[event];
-}
-
-static int fio_null_getevents(struct thread_data *td, unsigned int min_events,
-			      unsigned int fio_unused max,
-			      const struct timespec fio_unused *t)
-{
-	struct null_data *nd = (struct null_data *) td->io_ops_data;
-	int ret = 0;
-	
-	if (min_events) {
-		ret = nd->events;
-		nd->events = 0;
-	}
-
-	return ret;
-}
-
-static int fio_null_commit(struct thread_data *td)
-{
-	struct null_data *nd = (struct null_data *) td->io_ops_data;
-
-	if (!nd->events) {
-#ifndef FIO_EXTERNAL_ENGINE
-		io_u_mark_submit(td, nd->queued);
-#endif
-		nd->events = nd->queued;
-		nd->queued = 0;
-	}
-
-	return 0;
-}
-
-static int fio_null_queue(struct thread_data *td, struct io_u *io_u)
-{
-	struct null_data *nd = (struct null_data *) td->io_ops_data;
-
-	fio_ro_check(td, io_u);
-
-	if (td->io_ops->flags & FIO_SYNCIO)
-		return FIO_Q_COMPLETED;
-	if (nd->events)
-		return FIO_Q_BUSY;
-
-	nd->io_us[nd->queued++] = io_u;
-	return FIO_Q_QUEUED;
-}
-
-static int fio_null_open(struct thread_data fio_unused *td,
-			 struct fio_file fio_unused *f)
-{
-	return 0;
-}
-
-static void fio_null_cleanup(struct thread_data *td)
-{
-	struct null_data *nd = (struct null_data *) td->io_ops_data;
-
-	if (nd) {
-		free(nd->io_us);
-		free(nd);
-	}
-}
-
-static int fio_null_init(struct thread_data *td)
-{
-	struct null_data *nd = (struct null_data *) malloc(sizeof(*nd));
-
-	memset(nd, 0, sizeof(*nd));
-
-	if (td->o.iodepth != 1) {
-		nd->io_us = (struct io_u **) malloc(td->o.iodepth * sizeof(struct io_u *));
-		memset(nd->io_us, 0, td->o.iodepth * sizeof(struct io_u *));
-	} else
-		td->io_ops->flags |= FIO_SYNCIO;
-
-	td->io_ops_data = nd;
-	return 0;
-}
-
-#ifndef __cplusplus
-static struct ioengine_ops ioengine = {
-	.name		= "null",
-	.version	= FIO_IOOPS_VERSION,
-	.queue		= fio_null_queue,
-	.commit		= fio_null_commit,
-	.getevents	= fio_null_getevents,
-	.event		= fio_null_event,
-	.init		= fio_null_init,
-	.cleanup	= fio_null_cleanup,
-	.open_file	= fio_null_open,
-	.flags		= FIO_DISKLESSIO | FIO_FAKEIO,
-};
-
-static void fio_init fio_null_register(void)
-{
-	register_ioengine(&ioengine);
-}
-
-static void fio_exit fio_null_unregister(void)
-{
-	unregister_ioengine(&ioengine);
-}
-
-#else
-
-#ifdef FIO_EXTERNAL_ENGINE
-extern "C" {
-static struct ioengine_ops ioengine;
-void get_ioengine(struct ioengine_ops **ioengine_ptr)
-{
-	*ioengine_ptr = &ioengine;
-
-	ioengine.name           = "cpp_null";
-	ioengine.version        = FIO_IOOPS_VERSION;
-	ioengine.queue          = fio_null_queue;
-	ioengine.commit         = fio_null_commit;
-	ioengine.getevents      = fio_null_getevents;
-	ioengine.event          = fio_null_event;
-	ioengine.init           = fio_null_init;
-	ioengine.cleanup        = fio_null_cleanup;
-	ioengine.open_file      = fio_null_open;
-	ioengine.flags          = FIO_DISKLESSIO | FIO_FAKEIO;
-}
-}
-#endif /* FIO_EXTERNAL_ENGINE */
-
-#endif /* __cplusplus */