2 * Copyright (c) 2014 David T Chisnall
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * Declares a block variable. This macro is defined in the trivial way for
32 * compilers that support blocks and exposing the ABI in the source for other
35 #define DECLARE_BLOCK(retTy, name, argTys, ...)\
36 retTy(^name)(argTys, ## __VA_ARGS__)
38 * Calls a block variable. This macro is defined in the trivial way for
39 * compilers that support blocks and exposing the ABI in the source for other
42 #define CALL_BLOCK(name, ...) name(__VA_ARGS__)
44 #define DECLARE_BLOCK(retTy, name, argTys, ...)\
49 retTy (*invoke)(void *, ...);\
51 #define CALL_BLOCK(name, ...) (name)->invoke(name, __VA_ARGS__)
54 * Returns the pointer to the block-invoke function. This is used for passing
55 * blocks to functions that want a function pointer and a data pointer.
57 #define GET_BLOCK_FUNCTION(x) \
62 void (*invoke)(void *, ...);\