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Comparing libcoro/coro.h (file contents):
Revision 1.33 by root, Sat Nov 8 04:31:28 2008 UTC vs.
Revision 1.38 by root, Fri Nov 14 05:27:08 2008 UTC

… …
63 * speed up CORO_PTHREAD. Do no longer leak threads either. 63 * speed up CORO_PTHREAD. Do no longer leak threads either.
64 * coro_create now allows one to create source coro_contexts. 64 * coro_create now allows one to create source coro_contexts.
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 */ 69 */
69 70
70#ifndef CORO_H 71#ifndef CORO_H
71#define CORO_H 72#define CORO_H
72 73
… …
146 * and the single pointer value that is given to it as argument. 147 * and the single pointer value that is given to it as argument.
147 * 148 *
148 * Allocating/deallocating the stack is your own responsibility. 149 * Allocating/deallocating the stack is your own responsibility.
149 * 150 *
150 * As a special case, if coro, arg, sptr and ssize are all zero, 151 * As a special case, if coro, arg, sptr and ssize are all zero,
151 * then an "empty" coro_contetx will be created that is suitable 152 * then an "empty" coro_context will be created that is suitable
152 * as an initial source for coro_transfer. 153 * as an initial source for coro_transfer.
153 * 154 *
154 * This function is not reentrant, but putting a mutex around it 155 * This function is not reentrant, but putting a mutex around it
155 * will work. 156 * will work.
156 */ 157 */
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171#endif 172#endif
172 173
173/* 174/*
174 * The following prototype defines the coroutine destroy function. It is 175 * The following prototype defines the coroutine destroy function. It is
175 * usually implemented as a macro, so watch out. It also serves 176 * usually implemented as a macro, so watch out. It also serves
176 * no purpose unless you want to use the CORO_PTHREAD backend. 177 * no purpose unless you want to use the CORO_PTHREAD backend,
178 * where it is used to clean up the thread. You are responsible
179 * for freeing the stack and the context itself.
177 * 180 *
178 * This function is thread-safe and reentrant. 181 * This function is thread-safe and reentrant.
179 */ 182 */
180#if 0 183#if 0
181void coro_destroy (coro_context *ctx); 184void coro_destroy (coro_context *ctx);
… …
225 228
226# if !CORO_LOSER 229# if !CORO_LOSER
227# include <unistd.h> 230# include <unistd.h>
228# endif 231# endif
229 232
233/* solaris is hopelessly borked, it expands _XOPEN_UNIX to nothing */
234# if __sun
235# undef _XOPEN_UNIX
236# define _XOPEN_UNIX 1
237# endif
238
230# include <setjmp.h> 239# include <setjmp.h>
231 240
232struct coro_context { 241struct coro_context {
242#if _XOPEN_UNIX > 0 || CORO_LOSER
233 jmp_buf env; 243 jmp_buf env;
244#else
245 sigjmp_buf env;
246#endif
234}; 247};
235 248
236# if _XOPEN_UNIX > 0 249# if _XOPEN_UNIX > 0
237# define coro_transfer(p,n) do { if (!_setjmp ((p)->env)) _longjmp ((n)->env, 1); } while (0) 250# define coro_transfer(p,n) do { if (! _setjmp ((p)->env )) _longjmp ((n)->env, 1); } while (0)
251# elif CORO_LOSER
252# define coro_transfer(p,n) do { if (! setjmp ((p)->env )) longjmp ((n)->env, 1); } while (0)
238# else 253# else
239# define coro_transfer(p,n) do { if (! setjmp ((p)->env)) longjmp ((n)->env, 1); } while (0) 254# define coro_transfer(p,n) do { if (!sigsetjmp ((p)->env, 0)) siglongjmp ((n)->env, 1); } while (0)
240# endif 255# endif
241 256
242# define coro_destroy(ctx) (void *)(ctx) 257# define coro_destroy(ctx) (void *)(ctx)
243 258
244#elif CORO_ASM 259#elif CORO_ASM
245 260
246struct coro_context { 261struct coro_context {
247 volatile void **sp; /* must be at offset 0 */ 262 void **sp; /* must be at offset 0 */
248}; 263};
249 264
250void __attribute__ ((__noinline__, __regparm__(2))) 265void __attribute__ ((__noinline__, __regparm__(2)))
251coro_transfer (coro_context *prev, coro_context *next); 266coro_transfer (coro_context *prev, coro_context *next);
252 267

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