diff options
Diffstat (limited to 'include/stc/algo/cco.h')
| -rw-r--r-- | include/stc/algo/cco.h | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/include/stc/algo/cco.h b/include/stc/algo/cco.h index fdb8ece3..c94382b1 100644 --- a/include/stc/algo/cco.h +++ b/include/stc/algo/cco.h @@ -99,38 +99,36 @@ * `c_' macros for re-entrant coroutines. */ typedef struct { - int _ccoline; + int cco_line; } *cco_handle; -#define cco_context(cref, ...) \ +#define cco_context(handle, ...) \ struct ccoContext { \ - int _ccoline; \ + int cco_line; \ __VA_ARGS__ \ - } **_ccoparam = (struct ccoContext **)cref + } **_ccoparam = (struct ccoContext **)handle + 0*sizeof((*(handle))->cco_line) #define cco_routine(ctx, ...) \ - do { \ - if (!*_ccoparam) { \ - *_ccoparam = malloc(sizeof **_ccoparam); \ - (*_ccoparam)->_ccoline = 0; \ - } \ - struct ccoContext *ctx = *_ccoparam; \ - switch (ctx->_ccoline) { \ - case 0: __VA_ARGS__ break; \ - default: assert(!"cco_finish: missing"); \ - } \ - free(ctx), *_ccoparam = 0; \ - } while (0) + if (!*_ccoparam) { \ + *_ccoparam = (struct ccoContext *)malloc(sizeof **_ccoparam); \ + (*_ccoparam)->cco_line = 0; \ + } \ + struct ccoContext *ctx = *_ccoparam; \ + switch (ctx->cco_line) { \ + case 0: __VA_ARGS__ break; \ + default: assert(!"cco_finish: missing"); \ + } \ + free(ctx), *_ccoparam = NULL #define cco_yield(ret) \ do { \ - (*_ccoparam)->_ccoline = __LINE__; return ret; \ + (*_ccoparam)->cco_line = __LINE__; return ret; \ case __LINE__:; \ } while (0) #define cco_finish case -1 #define cco_stop(ctx) \ - ((*(ctx))->_ccoline = -1, (ctx)) + ((*(ctx))->cco_line = -1, (ctx)) #endif /* COROUTINE_H */ |