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Comparing libcoro/coro.h (file contents):
Revision 1.16 by root, Sat Nov 25 00:27:00 2006 UTC vs.
Revision 1.19 by root, Thu Nov 30 18:21:14 2006 UTC

… …
36 */ 36 */
37 37
38/* 38/*
39 * 2006-10-26 Include stddef.h on OS X to work around one of its bugs. 39 * 2006-10-26 Include stddef.h on OS X to work around one of its bugs.
40 * Reported by Michael_G_Schwern. 40 * Reported by Michael_G_Schwern.
41 * 2006-11-25 Use _setjmp instead of setjmp on GNU/Linux. 41 * 2006-11-26 Use _setjmp instead of setjmp on GNU/Linux.
42 */ 42 */
43 43
44#ifndef CORO_H 44#ifndef CORO_H
45#define CORO_H 45#define CORO_H
46 46
… …
99 * This is the type for the initialization function of a new coroutine. 99 * This is the type for the initialization function of a new coroutine.
100 */ 100 */
101typedef void (*coro_func)(void *); 101typedef void (*coro_func)(void *);
102 102
103/* 103/*
104 * A coroutine state is saved in the following structure. Treat it as a 104 * A coroutine state is saved in the following structure. Treat it as an
105 * opaque type. errno and sigmask might be saved, but don't rely on it, 105 * opaque type. errno and sigmask might be saved, but don't rely on it,
106 * implement your own switching primitive if you need it. 106 * implement your own switching primitive if you need that.
107 */ 107 */
108typedef struct coro_context coro_context; 108typedef struct coro_context coro_context;
109 109
110/* 110/*
111 * This function creates a new coroutine. Apart from a pointer to an 111 * This function creates a new coroutine. Apart from a pointer to an
… …
113 * and the single pointer value that is given to it as argument. 113 * and the single pointer value that is given to it as argument.
114 * 114 *
115 * Allocating/deallocating the stack is your own responsibility, so there is 115 * Allocating/deallocating the stack is your own responsibility, so there is
116 * no coro_destroy function. 116 * no coro_destroy function.
117 */ 117 */
118void coro_create (coro_context *ctx, 118void coro_create (coro_context *ctx, /* an uninitialised coro_context */
119 coro_func coro, void *arg, 119 coro_func coro, /* the coroutine code to be executed */
120 void *sptr, long ssize); 120 void *arg, /* a single pointer passed to the coro */
121 void *sptr, /* start of stack area */
122 long ssize); /* size of stack area */
121 123
122/* 124/*
123 * The following prototype defines the coroutine switching function. It is 125 * The following prototype defines the coroutine switching function. It is
124 * usually implemented as a macro, so watch out. 126 * usually implemented as a macro, so watch out.
125 * 127 *
… …
160#define coro_transfer(p,n) swapcontext (&((p)->uc), &((n)->uc)) 162#define coro_transfer(p,n) swapcontext (&((p)->uc), &((n)->uc))
161 163
162#elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX 164#elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX
163 165
164#if defined(CORO_LINUX) && !defined(_GNU_SOURCE) 166#if defined(CORO_LINUX) && !defined(_GNU_SOURCE)
165# define _GNU_SOURCE // for linux libc 167# define _GNU_SOURCE /* for linux libc */
166#endif 168#endif
167 169
168#include <setjmp.h> 170#include <setjmp.h>
169 171
170struct coro_context { 172struct coro_context {
171 jmp_buf env; 173 jmp_buf env;
172}; 174};
173 175
176#if CORO_LINUX
174#define coro_transfer(p,n) do { if (!setjmp ((p)->env)) longjmp ((n)->env, 1); } while(0) 177# define coro_transfer(p,n) do { if (!_setjmp ((p)->env)) _longjmp ((n)->env, 1); } while (0)
178#else
179# define coro_transfer(p,n) do { if (!setjmp ((p)->env)) longjmp ((n)->env, 1); } while (0)
180#endif
175 181
176#endif 182#endif
177 183
178#endif 184#endif
179 185

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