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Comparing libcoro/coro.h (file contents):
Revision 1.14 by root, Thu Oct 26 05:20:47 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 * 2006-11-26 Use _setjmp instead of setjmp on GNU/Linux.
41 */ 42 */
42 43
43#ifndef CORO_H 44#ifndef CORO_H
44#define CORO_H 45#define CORO_H
45 46
… …
98 * 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.
99 */ 100 */
100typedef void (*coro_func)(void *); 101typedef void (*coro_func)(void *);
101 102
102/* 103/*
103 * 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
104 * 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,
105 * implement your own switching primitive. 106 * implement your own switching primitive if you need that.
106 */ 107 */
107typedef struct coro_context coro_context; 108typedef struct coro_context coro_context;
108 109
109/* 110/*
110 * 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
… …
112 * 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.
113 * 114 *
114 * Allocating/deallocating the stack is your own responsibility, so there is 115 * Allocating/deallocating the stack is your own responsibility, so there is
115 * no coro_destroy function. 116 * no coro_destroy function.
116 */ 117 */
117void coro_create (coro_context *ctx, 118void coro_create (coro_context *ctx, /* an uninitialised coro_context */
118 coro_func coro, void *arg, 119 coro_func coro, /* the coroutine code to be executed */
119 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 */
120 123
121/* 124/*
122 * The following prototype defines the coroutine switching function. It is 125 * The following prototype defines the coroutine switching function. It is
123 * usually implemented as a macro, so watch out. 126 * usually implemented as a macro, so watch out.
124 * 127 *
… …
159#define coro_transfer(p,n) swapcontext (&((p)->uc), &((n)->uc)) 162#define coro_transfer(p,n) swapcontext (&((p)->uc), &((n)->uc))
160 163
161#elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX 164#elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX
162 165
163#if defined(CORO_LINUX) && !defined(_GNU_SOURCE) 166#if defined(CORO_LINUX) && !defined(_GNU_SOURCE)
164# define _GNU_SOURCE // for linux libc 167# define _GNU_SOURCE /* for linux libc */
165#endif 168#endif
166 169
167#include <setjmp.h> 170#include <setjmp.h>
168 171
169struct coro_context { 172struct coro_context {
170 jmp_buf env; 173 jmp_buf env;
171}; 174};
172 175
176#if CORO_LINUX
173#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
174 181
175#endif 182#endif
176 183
177#endif 184#endif
178 185

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