| 1 |
#ifndef CORO_API_H |
| 2 |
#define CORO_API_H |
| 3 |
|
| 4 |
#include "EXTERN.h" |
| 5 |
#include "perl.h" |
| 6 |
#include "XSUB.h" |
| 7 |
|
| 8 |
#ifndef pTHX_ |
| 9 |
# define pTHX_ |
| 10 |
# define aTHX_ |
| 11 |
# define pTHX |
| 12 |
# define aTHX |
| 13 |
#endif |
| 14 |
|
| 15 |
/* perl-related */ |
| 16 |
#define TRANSFER_SAVE_DEFAV 0x00000001 /* @_ */ |
| 17 |
#define TRANSFER_SAVE_DEFSV 0x00000002 /* $_ */ |
| 18 |
#define TRANSFER_SAVE_ERRSV 0x00000004 /* $@ */ |
| 19 |
|
| 20 |
#define TRANSFER_SAVE_ALL ( TRANSFER_SAVE_DEFAV \ |
| 21 |
| TRANSFER_SAVE_DEFSV \ |
| 22 |
| TRANSFER_SAVE_ERRSV ) |
| 23 |
|
| 24 |
/*struct coro;*/ /* opaque */ |
| 25 |
|
| 26 |
struct CoroAPI { |
| 27 |
I32 ver; |
| 28 |
#define CORO_API_VERSION 2 |
| 29 |
#define CORO_API_REVISION 0 |
| 30 |
|
| 31 |
/* internal */ |
| 32 |
/*struct coro *(*sv_to_coro)(SV *arg, const char *funcname, const char *varname);*/ |
| 33 |
|
| 34 |
/* public, state */ |
| 35 |
void (*transfer) (SV *prev, SV *next, int flags); |
| 36 |
|
| 37 |
/* public, coro */ |
| 38 |
void (*schedule) (void); |
| 39 |
void (*cede) (void); |
| 40 |
int (*ready) (SV *coro_sv); |
| 41 |
int (*is_ready) (SV *coro_sv); |
| 42 |
int *nready; |
| 43 |
GV *current; |
| 44 |
}; |
| 45 |
|
| 46 |
static struct CoroAPI *GCoroAPI; |
| 47 |
|
| 48 |
#define CORO_TRANSFER(prev,next,flags) GCoroAPI->transfer (aTHX_ (prev), (next), (flags)) |
| 49 |
#define CORO_SCHEDULE GCoroAPI->schedule () |
| 50 |
#define CORO_CEDE GCoroAPI->cede () |
| 51 |
#define CORO_READY(coro) GCoroAPI->ready (coro) |
| 52 |
#define CORO_IS_READY(coro) GCoroAPI->is_ready (coro) |
| 53 |
#define CORO_NREADY (*GCoroAPI->nready) |
| 54 |
#define CORO_CURRENT SvRV (GvSV (GCoroAPI->current)) |
| 55 |
|
| 56 |
#define I_CORO_API(YourName) \ |
| 57 |
STMT_START { \ |
| 58 |
SV *sv = perl_get_sv("Coro::API",0); \ |
| 59 |
if (!sv) croak("Coro::API not found"); \ |
| 60 |
GCoroAPI = (struct CoroAPI*) SvIV(sv); \ |
| 61 |
if (GCoroAPI->ver != CORO_API_VERSION) { \ |
| 62 |
croak("Coro::API version mismatch (%d != %d) -- please recompile %s", \ |
| 63 |
GCoroAPI->ver, CORO_API_VERSION, YourName); \ |
| 64 |
} \ |
| 65 |
} STMT_END |
| 66 |
|
| 67 |
#endif |
| 68 |
|
