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/cvs/libcoro/coro.h
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Comparing libcoro/coro.h (file contents):
Revision 1.39 by root, Sun Nov 16 00:55:41 2008 UTC vs.
Revision 1.43 by root, Tue Jul 27 14:42:34 2010 UTC

1/* 1/*
2 * Copyright (c) 2001-2008 Marc Alexander Lehmann <schmorp@schmorp.de> 2 * Copyright (c) 2001-2009 Marc Alexander Lehmann <schmorp@schmorp.de>
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without modifica- 4 * Redistribution and use in source and binary forms, with or without modifica-
5 * tion, are permitted provided that the following conditions are met: 5 * tion, are permitted provided that the following conditions are met:
6 * 6 *
7 * 1. Redistributions of source code must retain the above copyright notice, 7 * 1. Redistributions of source code must retain the above copyright notice,
… …
65 * do not rely on makecontext passing a void * correctly. 65 * do not rely on makecontext passing a void * correctly.
66 * try harder to get _setjmp/_longjmp. 66 * try harder to get _setjmp/_longjmp.
67 * major code cleanup/restructuring. 67 * major code cleanup/restructuring.
68 * 2008-11-10 the .cfi hacks are no longer needed. 68 * 2008-11-10 the .cfi hacks are no longer needed.
69 * 2008-11-16 work around a freebsd pthread bug. 69 * 2008-11-16 work around a freebsd pthread bug.
70 * 2008-11-19 define coro_*jmp symbols for easier porting.
71 * 2009-06-23 tentative win32-backend support for mingw32 (Yasuhiro Matsumoto).
70 */ 72 */
71 73
72#ifndef CORO_H 74#ifndef CORO_H
73#define CORO_H 75#define CORO_H
76
77#if __cplusplus
78extern "C" {
79#endif
74 80
75#define CORO_VERSION 2 81#define CORO_VERSION 2
76 82
77/* 83/*
78 * Changes since API version 1: 84 * Changes since API version 1:
… …
239# define _XOPEN_UNIX 1 245# define _XOPEN_UNIX 1
240# endif 246# endif
241 247
242# include <setjmp.h> 248# include <setjmp.h>
243 249
250# if _XOPEN_UNIX > 0 || defined (_setjmp)
251# define coro_jmp_buf jmp_buf
252# define coro_setjmp(env) _setjmp (env)
253# define coro_longjmp(env) _longjmp ((env), 1)
254# elif CORO_LOSER
255# define coro_jmp_buf jmp_buf
256# define coro_setjmp(env) setjmp (env)
257# define coro_longjmp(env) longjmp ((env), 1)
258# else
259# define coro_jmp_buf sigjmp_buf
260# define coro_setjmp(env) sigsetjmp (env, 0)
261# define coro_longjmp(env) siglongjmp ((env), 1)
262# endif
263
244struct coro_context { 264struct coro_context {
245#if _XOPEN_UNIX > 0 || CORO_LOSER
246 jmp_buf env; 265 coro_jmp_buf env;
247#else
248 sigjmp_buf env;
249#endif
250}; 266};
251 267
252# if _XOPEN_UNIX > 0
253# define coro_transfer(p,n) do { if (! _setjmp ((p)->env )) _longjmp ((n)->env, 1); } while (0) 268# define coro_transfer(p,n) do { if (!coro_setjmp ((p)->env)) coro_longjmp ((n)->env); } while (0)
254# elif CORO_LOSER
255# define coro_transfer(p,n) do { if (! setjmp ((p)->env )) longjmp ((n)->env, 1); } while (0)
256# else
257# define coro_transfer(p,n) do { if (!sigsetjmp ((p)->env, 0)) siglongjmp ((n)->env, 1); } while (0)
258# endif
259
260# define coro_destroy(ctx) (void *)(ctx) 269# define coro_destroy(ctx) (void *)(ctx)
261 270
262#elif CORO_ASM 271#elif CORO_ASM
263 272
264struct coro_context { 273struct coro_context {
… …
284void coro_transfer (coro_context *prev, coro_context *next); 293void coro_transfer (coro_context *prev, coro_context *next);
285void coro_destroy (coro_context *ctx); 294void coro_destroy (coro_context *ctx);
286 295
287#endif 296#endif
288 297
298#if __cplusplus
299}
289#endif 300#endif
290 301
302#endif
303

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