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#ifndef CORO_API_H |
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#define CORO_API_H |
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|
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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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|
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#ifndef pTHX_ |
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# define pTHX_ |
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# define aTHX_ |
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# define pTHX |
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# define aTHX |
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#endif |
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|
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/* perl-related */ |
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#define CORO_SAVE_DEFAV 0x00000001 /* @_ */ |
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#define CORO_SAVE_DEFSV 0x00000002 /* $_ */ |
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#define CORO_SAVE_ERRSV 0x00000004 /* $@ */ |
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#define CORO_SAVE_IRSSV 0x00000008 /* $/ */ |
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|
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#define CORO_SAVE_ALL ( CORO_SAVE_DEFAV \ |
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| CORO_SAVE_DEFSV \ |
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| CORO_SAVE_ERRSV \ |
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| CORO_SAVE_IRSSV ) |
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|
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/*struct coro;*/ /* opaque */ |
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|
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/* private structure, always use the provided macros below */ |
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struct CoroAPI { |
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I32 ver; |
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#define CORO_API_VERSION 3 |
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#define CORO_API_REVISION 0 |
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|
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/* internal */ |
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/*struct coro *(*sv_to_coro)(SV *arg, const char *funcname, const char *varname);*/ |
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|
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/* private API, Coro::State */ |
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void (*transfer) (SV *prev_sv, SV *next_sv); |
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int (*save) (SV *coro_sv, int new_save); |
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|
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/* private API, Coro */ |
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void (*schedule) (void); |
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void (*cede) (void); |
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int (*ready) (SV *coro_sv); |
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int (*is_ready) (SV *coro_sv); |
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int *nready; |
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SV *current; |
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}; |
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|
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static struct CoroAPI *GCoroAPI; |
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|
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/* public API macros */ |
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#define CORO_TRANSFER(prev,next) GCoroAPI->transfer (aTHX_ (prev), (next)) |
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#define CORO_SCHEDULE GCoroAPI->schedule () |
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#define CORO_CEDE GCoroAPI->cede () |
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#define CORO_READY(coro) GCoroAPI->ready (coro) |
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#define CORO_IS_READY(coro) GCoroAPI->is_ready (coro) |
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#define CORO_NREADY (*GCoroAPI->nready) |
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#define CORO_CURRENT SvRV (GCoroAPI->current) |
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#define CORO_GET_SAVE(coro) GCoroAPI->save ((coro), -1) |
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#define CORO_SET_SAVE(coro,save) GCoroAPI->save ((coro), (save)) |
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|
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#define I_CORO_API(YourName) \ |
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STMT_START { \ |
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SV *sv = perl_get_sv("Coro::API",0); \ |
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if (!sv) croak("Coro::API not found"); \ |
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GCoroAPI = (struct CoroAPI*) SvIV(sv); \ |
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if (GCoroAPI->ver != CORO_API_VERSION) { \ |
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croak("Coro::API version mismatch (%d != %d) -- please recompile %s", \ |
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GCoroAPI->ver, CORO_API_VERSION, YourName); \ |
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} \ |
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} STMT_END |
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|
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#endif |
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