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Comparing libcoro/coro.h (file contents):
Revision 1.2 by root, Mon Jul 23 18:04:59 2001 UTC vs.
Revision 1.5 by root, Mon Sep 3 02:50:18 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
… …
55 * 57 *
56 * This flavour uses SUSv'2 setjmp/longjmp and sigaltstack functions to 58 * This flavour uses SUSv'2 setjmp/longjmp and sigaltstack functions to
57 * do it's job. Coroutine creation is much slower than UCONTEXT, but 59 * do it's job. Coroutine creation is much slower than UCONTEXT, but
58 * context switching is often a bit cheaper. It should work on almost 60 * context switching is often a bit cheaper. It should work on almost
59 * all unices. Use this for GNU/Linux + glibc-2.2. glibc-2.1 and below 61 * all unices. Use this for GNU/Linux + glibc-2.2. glibc-2.1 and below
60 * do not work with any model (neither sigaltstack nor context functions 62 * do not work with any sane model (neither sigaltstack nor context
61 * are implemented) 63 * functions are implemented)
64 *
65 * -DCORO_LINUX
66 *
67 * Old GNU/Linux systems (<= glibc-2.1) work with this implementation
68 * (very fast).
62 * 69 *
63 * -DCORO_LOOSE 70 * -DCORO_LOOSE
64 * 71 *
65 * Microsoft's highly proprietary platform doesn't support sigaltstack, and 72 * Microsoft's highly proprietary platform doesn't support sigaltstack, and
66 * this automatically selects a suitable workaround for this platform. 73 * this automatically selects a suitable workaround for this platform.
67 * (untested) 74 * (untested)
75 *
76 * -DCORO_IRIX
77 *
78 * SGI's version of Microsoft's NT ;)
68 * 79 *
69 * 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
70 * 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
71 * alternatives you should check (e.g. using autoconf) and define the 82 * alternatives you should check (e.g. using autoconf) and define the
72 * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK. 83 * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK.
… …
106 117
107/* 118/*
108 * That was it. No other user-visible functions are implemented here. 119 * That was it. No other user-visible functions are implemented here.
109 */ 120 */
110 121
122/*****************************************************************************/
123
111#if !defined(CORO_LOOSE) && !defined(CORO_UCONTEXT) && !defined(CORO_SJLJ) 124#if !defined(CORO_LOOSE) && !defined(CORO_UCONTEXT) \
125 && !defined(CORO_SJLJ) && !defined(CORO_LINUX) \
126 && !defined(CORO_IRIX)
112# if defined(WINDOWS) 127# if defined(WINDOWS)
113# define CORO_LOOSE 1 /* you don't win with windoze */ 128# define CORO_LOOSE 1 /* you don't win with windoze */
129# elif defined(__linux) && defined(__x86)
114# elif defined(HAVE_UCONTEXT_H) 130# elif defined(HAVE_UCONTEXT_H)
115# define CORO_UCONTEXT 1 131# define CORO_UCONTEXT 1
116# elif defined(HAVE_SETJMP_H) && defined(HAVE_SIGALTSTACK) 132# elif defined(HAVE_SETJMP_H) && defined(HAVE_SIGALTSTACK)
117# define CORO_SJLJ 1 133# define CORO_SJLJ 1
118# else 134# else
119error unknown or unsupported architecture 135error unknown or unsupported architecture
120# endif 136# endif
121#endif 137#endif
138
139/*****************************************************************************/
122 140
123#if CORO_UCONTEXT 141#if CORO_UCONTEXT
124 142
125#include <ucontext.h> 143#include <ucontext.h>
126 144
… …
128 ucontext_t uc; 146 ucontext_t uc;
129}; 147};
130 148
131#define coro_transfer(p,n) swapcontext(&((p)->uc), &((n)->uc)) 149#define coro_transfer(p,n) swapcontext(&((p)->uc), &((n)->uc))
132 150
133#elif CORO_SJLJ || CORO_LOOSE 151#elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX
134 152
135#include <setjmp.h> 153#include <setjmp.h>
136 154
137struct coro_context { 155struct coro_context {
138 jmp_buf env; 156 jmp_buf env;

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