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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 1.50 by root, Mon Aug 8 22:00:18 2011 UTC

1/* 1/*
2 * Copyright (c) 2001-2008 Marc Alexander Lehmann <schmorp@schmorp.de> 2 * Copyright (c) 2001-2011 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).
72 * 2010-12-03 tentative support for uclibc (which lacks all sorts of things).
73 * 2011-05-30 set initial callee-saved-registers to zero with CORO_ASM.
74 * use .cfi_undefined rip on linux-amd64 for better backtraces.
75 * 2011-06-08 maybe properly implement weird windows amd64 calling conventions.
76 * 2011-07-03 rely on __GCC_HAVE_DWARF2_CFI_ASM for cfi detection.
77 * 2011-08-08 cygwin trashes stacks, use pthreads with double stack on cygwin.
70 */ 78 */
71 79
72#ifndef CORO_H 80#ifndef CORO_H
73#define CORO_H 81#define CORO_H
82
83#if __cplusplus
84extern "C" {
85#endif
74 86
75#define CORO_VERSION 2 87#define CORO_VERSION 2
76 88
77/* 89/*
78 * Changes since API version 1: 90 * Changes since API version 1:
… …
195 207
196#if !defined(CORO_LOSER) && !defined(CORO_UCONTEXT) \ 208#if !defined(CORO_LOSER) && !defined(CORO_UCONTEXT) \
197 && !defined(CORO_SJLJ) && !defined(CORO_LINUX) \ 209 && !defined(CORO_SJLJ) && !defined(CORO_LINUX) \
198 && !defined(CORO_IRIX) && !defined(CORO_ASM) \ 210 && !defined(CORO_IRIX) && !defined(CORO_ASM) \
199 && !defined(CORO_PTHREAD) 211 && !defined(CORO_PTHREAD)
200# if defined(WINDOWS) 212# if defined(WINDOWS) || defined(_WIN32)
201# define CORO_LOSER 1 /* you don't win with windoze */ 213# define CORO_LOSER 1 /* you don't win with windoze */
202# elif defined(__linux) && (defined(__x86) || defined (__amd64)) 214# elif defined(__linux) && (defined(__x86) || defined (__amd64))
203# define CORO_ASM 1 215# define CORO_ASM 1
204# elif defined(HAVE_UCONTEXT_H) 216# elif defined(HAVE_UCONTEXT_H)
205# define CORO_UCONTEXT 1 217# define CORO_UCONTEXT 1
… …
239# define _XOPEN_UNIX 1 251# define _XOPEN_UNIX 1
240# endif 252# endif
241 253
242# include <setjmp.h> 254# include <setjmp.h>
243 255
256# if _XOPEN_UNIX > 0 || defined (_setjmp)
257# define coro_jmp_buf jmp_buf
258# define coro_setjmp(env) _setjmp (env)
259# define coro_longjmp(env) _longjmp ((env), 1)
260# elif CORO_LOSER
261# define coro_jmp_buf jmp_buf
262# define coro_setjmp(env) setjmp (env)
263# define coro_longjmp(env) longjmp ((env), 1)
264# else
265# define coro_jmp_buf sigjmp_buf
266# define coro_setjmp(env) sigsetjmp (env, 0)
267# define coro_longjmp(env) siglongjmp ((env), 1)
268# endif
269
244struct coro_context { 270struct coro_context {
245#if _XOPEN_UNIX > 0 || CORO_LOSER
246 jmp_buf env; 271 coro_jmp_buf env;
247#else
248 sigjmp_buf env;
249#endif
250}; 272};
251 273
252# if _XOPEN_UNIX > 0
253# define coro_transfer(p,n) do { if (! _setjmp ((p)->env )) _longjmp ((n)->env, 1); } while (0) 274# 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) 275# define coro_destroy(ctx) (void *)(ctx)
261 276
262#elif CORO_ASM 277#elif CORO_ASM
263 278
264struct coro_context { 279struct coro_context {
… …
284void coro_transfer (coro_context *prev, coro_context *next); 299void coro_transfer (coro_context *prev, coro_context *next);
285void coro_destroy (coro_context *ctx); 300void coro_destroy (coro_context *ctx);
286 301
287#endif 302#endif
288 303
304#if __cplusplus
305}
289#endif 306#endif
290 307
308#endif
309

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