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Comparing libcoro/coro.h (file contents):
Revision 1.3 by root, Tue Jul 24 19:52:55 2001 UTC vs.
Revision 1.6 by root, Sun Sep 16 01:34:36 2001 UTC

30 * go to Ralf S. Engelschall <rse@engelschall.com>. 30 * go to Ralf S. Engelschall <rse@engelschall.com>.
31 * 31 *
32 * This coroutine library is very much stripped down. You should either 32 * This coroutine library is very much stripped down. You should either
33 * build your own process avstraction using it or - better - just use GNU 33 * build your own process avstraction using it or - better - just use GNU
34 * Portable Threads, http://www.gnu.org/software/pth/. 34 * Portable Threads, http://www.gnu.org/software/pth/.
35 *
36 * VERSION: 0.1
35 */ 37 */
36 38
37#ifndef CORO_H 39#ifndef CORO_H
38#define CORO_H 40#define CORO_H
39 41
69 * 71 *
70 * Microsoft's highly proprietary platform doesn't support sigaltstack, and 72 * Microsoft's highly proprietary platform doesn't support sigaltstack, and
71 * this automatically selects a suitable workaround for this platform. 73 * this automatically selects a suitable workaround for this platform.
72 * (untested) 74 * (untested)
73 * 75 *
76 * -DCORO_IRIX
77 *
78 * SGI's version of Microsoft's NT ;)
79 *
74 * If you define neither of these symbols, coro.h will try to autodetect 80 * If you define neither of these symbols, coro.h will try to autodetect
75 * the model. This currently works for CORO_LOOSE only. For the other 81 * the model. This currently works for CORO_LOOSE only. For the other
76 * alternatives you should check (e.g. using autoconf) and define the 82 * alternatives you should check (e.g. using autoconf) and define the
77 * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK. 83 * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK.
78 */ 84 */
79 85
80/* 86/*
81 * This is the type for the top function of a new coroutine. 87 * This is the type for the initialization function of a new coroutine.
82 */ 88 */
83typedef void (*coro_func)(void *); 89typedef void (*coro_func)(void *);
84
85 90
86/* 91/*
87 * A coroutine state is saved in the following structure. Treat it as a 92 * A coroutine state is saved in the following structure. Treat it as a
88 * opaque type. errno and sigmask might be saved, but don't rely on it, 93 * opaque type. errno and sigmask might be saved, but don't rely on it,
89 * implement your own switching primitive. 94 * implement your own switching primitive.
111 116
112/* 117/*
113 * That was it. No other user-visible functions are implemented here. 118 * That was it. No other user-visible functions are implemented here.
114 */ 119 */
115 120
121/*****************************************************************************/
122
116#if !defined(CORO_LOOSE) && !defined(CORO_UCONTEXT) \ 123#if !defined(CORO_LOOSE) && !defined(CORO_UCONTEXT) \
117 && !defined(CORO_SJLJ) && !defined(CORO_LINUX) 124 && !defined(CORO_SJLJ) && !defined(CORO_LINUX) \
125 && !defined(CORO_IRIX)
118# if defined(WINDOWS) 126# if defined(WINDOWS)
119# define CORO_LOOSE 1 /* you don't win with windoze */ 127# define CORO_LOOSE 1 /* you don't win with windoze */
120# elif defined(__linux) && defined(__x86) 128# elif defined(__linux) && defined(__x86)
121# elif defined(HAVE_UCONTEXT_H) 129# elif defined(HAVE_UCONTEXT_H)
122# define CORO_UCONTEXT 1 130# define CORO_UCONTEXT 1
125# else 133# else
126error unknown or unsupported architecture 134error unknown or unsupported architecture
127# endif 135# endif
128#endif 136#endif
129 137
138/*****************************************************************************/
139
130#if CORO_UCONTEXT 140#if CORO_UCONTEXT
131 141
132#include <ucontext.h> 142#include <ucontext.h>
133 143
134struct coro_context { 144struct coro_context {
135 ucontext_t uc; 145 ucontext_t uc;
136}; 146};
137 147
138#define coro_transfer(p,n) swapcontext(&((p)->uc), &((n)->uc)) 148#define coro_transfer(p,n) swapcontext(&((p)->uc), &((n)->uc))
139 149
140#elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX 150#elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX
141 151
142#include <setjmp.h> 152#include <setjmp.h>
143 153
144struct coro_context { 154struct coro_context {
145 jmp_buf env; 155 jmp_buf env;

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