ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libcoro/coro.c
(Generate patch)

Comparing libcoro/coro.c (file contents):
Revision 1.14 by root, Mon Mar 21 14:17:44 2005 UTC vs.
Revision 1.22 by root, Sat Nov 25 00:27:00 2006 UTC

1/* 1/*
2 * Copyright (c) 2001-2005 Marc Alexander Lehmann <schmorp@schmorp.de> 2 * Copyright (c) 2001-2006 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,
… …
38# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) 38# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8)
39# define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8) 39# define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8)
40# elif __i386__ && CORO_LINUX 40# elif __i386__ && CORO_LINUX
41# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss)) 41# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss))
42# define STACK_ADJUST_SIZE(sp,ss) (ss) 42# define STACK_ADJUST_SIZE(sp,ss) (ss)
43# elif __amd64__ && CORO_LINUX
44# define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8)
45# define STACK_ADJUST_SIZE(sp,ss) (ss)
43# else 46# else
44# define STACK_ADJUST_PTR(sp,ss) (sp) 47# define STACK_ADJUST_PTR(sp,ss) (sp)
45# define STACK_ADJUST_SIZE(sp,ss) (ss) 48# define STACK_ADJUST_SIZE(sp,ss) (ss)
46# endif 49# endif
47#endif 50#endif
48 51
52#if CORO_UCONTEXT
53# include <stddef.h>
54#endif
55
49#if CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX 56#if CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX
57
58#include <stdlib.h>
50 59
51#if CORO_SJLJ 60#if CORO_SJLJ
61# include <stdio.h>
52# include <signal.h> 62# include <signal.h>
63# include <unistd.h>
53#endif 64#endif
54 65
55static volatile coro_func coro_init_func; 66static volatile coro_func coro_init_func;
56static volatile void *coro_init_arg; 67static volatile void *coro_init_arg;
57static volatile coro_context *new_coro, *create_coro; 68static volatile coro_context *new_coro, *create_coro;
… …
102 ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize); 113 ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize);
103 ctx->uc.uc_stack.ss_flags = 0; 114 ctx->uc.uc_stack.ss_flags = 0;
104 115
105 makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); 116 makecontext (&(ctx->uc), (void (*)()) coro, 1, arg);
106 117
107#elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX 118#elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX
108 119
109# if CORO_SJLJ 120# if CORO_SJLJ
110 stack_t ostk, nstk; 121 stack_t ostk, nstk;
111 struct sigaction osa, nsa; 122 struct sigaction osa, nsa;
112 sigset_t nsig, osig; 123 sigset_t nsig, osig;
… …
158 abort (); 169 abort ();
159 170
160 if (~ostk.ss_flags & SS_DISABLE) 171 if (~ostk.ss_flags & SS_DISABLE)
161 sigaltstack (&ostk, 0); 172 sigaltstack (&ostk, 0);
162 173
163 sigaction (SIGUSR1, &osa, 0); 174 sigaction (SIGUSR2, &osa, 0);
164 175
165 sigprocmask (SIG_SETMASK, &osig, 0); 176 sigprocmask (SIG_SETMASK, &osig, 0);
166 177
167# elif CORO_LOOSE 178# elif CORO_LOSER
168 179
169 setjmp (ctx->env); 180 setjmp (ctx->env);
181#if __CYGWIN__
170 ctx->env[7] = (long)((char *)sptr + ssize); 182 ctx->env[7] = (long)((char *)sptr + ssize);
171 ctx->env[8] = (long)coro_init; 183 ctx->env[8] = (long)coro_init;
184#elif defined(_M_IX86)
185 ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init;
186 ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr,ssize);
187#elif defined(_M_AMD64)
188 ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init;
189 ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr,ssize);
190#elif defined(_M_IA64)
191 ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init;
192 ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr,ssize);
193#else
194#error "microsoft libc or architecture not supported"
195#endif
172 196
173# elif CORO_LINUX 197# elif CORO_LINUX
174 198
175 setjmp (ctx->env); 199 _setjmp (ctx->env);
176#if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ 200#if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \
177 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP) 201 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP)
178 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; 202 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init;
179 ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr,ssize); 203 ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr,ssize);
180#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ 204#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \
… …
184#elif defined(__GNU_LIBRARY__) && defined(__i386__) 208#elif defined(__GNU_LIBRARY__) && defined(__i386__)
185 ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; 209 ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init;
186 ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); 210 ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize);
187#elif defined(__GNU_LIBRARY__) && defined(__amd64__) 211#elif defined(__GNU_LIBRARY__) && defined(__amd64__)
188 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; 212 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init;
189 ctx->env[0].__jmpbuf[JB_RSP] = (long)((char *)sptr + ssize); 213 ctx->env[0].__jmpbuf[JB_RSP] = (long)STACK_ADJUST_PTR (sptr,ssize);
190#else 214#else
191#error "linux libc or architecture not supported" 215#error "linux libc or architecture not supported"
192#endif 216#endif
193 217
194# elif CORO_IRIX 218# elif CORO_IRIX

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines