1 files changed, 0 insertions, 109 deletions
diff --git a/src/uctx-setjmp.h b/src/uctx-setjmp.h
deleted file mode 100644
index 33e187e..0000000
--- a/src/uctx-setjmp.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/* uctx-setjmp.h - setjmp based user-space context switching
- *
- * Copyright (C) 2009 Timo Teräs <timo.teras@iki.fi>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 or later as
- * published by the Free Software Foundation.
- *
- * See http://www.gnu.org/ for details.
- */
-
-#include <libtf/fiber.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <setjmp.h>
-#ifdef VALGRIND
-#include <valgrind/valgrind.h>
-#endif
-
-#define STACK_GUARD		0xbad57ac4
-
-struct tf_uctx {
-	int *stack_guard;
-	void *alloc;
-	jmp_buf jmpbuf;
-#ifdef VALGRIND
-	unsigned int stack_id;
-#endif
-	struct tf_fiber fiber;
-};
-
-#define set_stack(ptr) ({ __asm__("movl %0, %%esp" : : "r"(ptr)); })
-#define get_stack() ({ void *ptr; __asm__("movl %%esp, %0" : "=r"(ptr)); ptr; })
-
-attribute_never_inline
-static void *tf_uctx_start(tf_fiber_proc fiber_main, size_t private_size)
-{
-	struct tf_uctx *uctx;
-
-	uctx = alloca(private_size);
-	if (setjmp(uctx->jmpbuf) != 0) {
-		fiber_main(uctx->fiber.data);
-		tf_exit();
-	}
-	return uctx;
-}
-
-static inline
-struct tf_fiber *tf_uctx_create(tf_fiber_proc fiber_main, int private_size)
-{
-	size_t size = TF_STACK_SIZE;
-	struct tf_uctx *uctx;
-	void *stack, *old_stack, *stack_head, *stack_tail;
-#ifdef VALGRIND
-	int stack_id;
-#endif
-
-	stack = malloc(size);
-	if (stack == NULL)
-		return NULL;
-#ifdef VALGRIND
-	stack_id = VALGRIND_STACK_REGISTER(stack, size);
-#endif
-
-	/* Assumes stack grows up */
-	stack_head = stack + size - 8;
-	stack_tail = stack;
-
-	old_stack = get_stack();
-	set_stack(stack_head);
-	uctx = tf_uctx_start(fiber_main, private_size + sizeof(struct tf_uctx));
-	set_stack(old_stack);
-
-#ifdef VALGRIND
-	uctx->stack_id = stack_id;
-#endif
-	uctx->alloc = stack;
-	uctx->stack_guard = stack_tail;
-	*uctx->stack_guard = STACK_GUARD;
-
-	return &uctx->fiber;
-}
-
-static inline
-void tf_uctx_destroy(struct tf_fiber *fiber)
-{
-	struct tf_uctx *uctx = container_of(fiber, struct tf_uctx, fiber);
-#ifdef VALGRIND
-	VALGRIND_STACK_DEREGISTER(uctx->stack_id);
-#endif
-	free(uctx->alloc);
-}
-
-static inline
-int tf_uctx_transfer(struct tf_fiber *from, struct tf_fiber *to, int value)
-{
-	struct tf_uctx *ufrom = container_of(from, struct tf_uctx, fiber);
-	struct tf_uctx *uto   = container_of(to,   struct tf_uctx, fiber);
-	int r;
-
-	TF_BUG_ON(unlikely(*ufrom->stack_guard != STACK_GUARD));
-
-	r = setjmp(ufrom->jmpbuf);
-	if (r == 0)
-		longjmp(uto->jmpbuf, value);
-	return r;
-}