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#ifndef CORO_API_H |
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#define CORO_API_H |
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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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/* perl-related */ |
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#define TRANSFER_SAVE_DEFAV 0x00000001 |
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#define TRANSFER_SAVE_DEFSV 0x00000002 |
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#define TRANSFER_SAVE_ERRSV 0x00000004 |
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/* c-related */ |
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#define TRANSFER_SAVE_CCTXT 0x00000008 |
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#ifdef CORO_LAZY_STACK |
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# define TRANSFER_LAZY_STACK 0x00000010 |
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#else |
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# define TRANSFER_LAZY_STACK 0x00000000 |
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#endif |
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#define TRANSFER_SAVE_ALL (TRANSFER_SAVE_DEFAV|TRANSFER_SAVE_DEFSV \ |
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|TRANSFER_SAVE_ERRSV|TRANSFER_SAVE_CCTXT) |
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struct coro; /* opaque */ |
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struct CoroAPI { |
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I32 ver; |
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#define CORO_API_VERSION 1 |
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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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/* public, state */ |
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void (*transfer)(pTHX_ SV *prev, SV *next, int flags); |
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/* public, coro */ |
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void (*schedule)(int cede); |
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void (*ready)(SV *sv); |
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int *nready; |
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GV *current; |
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}; |
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static struct CoroAPI *GCoroAPI; |
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#define CORO_TRANSFER(prev,next) GCoroAPI->transfer(aTHX_ (prev),(next)) |
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#define CORO_SCHEDULE GCoroAPI->schedule(0) |
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#define CORO_CEDE GCoroAPI->schedule(1) |
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#define CORO_READY(coro) GCoroAPI->ready(coro) |
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#define CORO_NREADY (*GCoroAPI->nready) |
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#define CORO_CURRENT GvSV(GCoroAPI->current) |
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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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#endif |
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