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 |
/* perl-related */ |
9 |
#define TRANSFER_SAVE_DEFAV 0x00000001 |
10 |
#define TRANSFER_SAVE_DEFSV 0x00000002 |
11 |
#define TRANSFER_SAVE_ERRSV 0x00000004 |
12 |
/* c-related */ |
13 |
#define TRANSFER_SAVE_CCTXT 0x00000008 |
14 |
#ifdef CORO_LAZY_STACK |
15 |
# define TRANSFER_LAZY_STACK 0x00000010 |
16 |
#else |
17 |
# define TRANSFER_LAZY_STACK 0x00000000 |
18 |
#endif |
19 |
|
20 |
#define TRANSFER_SAVE_ALL (TRANSFER_SAVE_DEFAV|TRANSFER_SAVE_DEFSV \ |
21 |
|TRANSFER_SAVE_ERRSV|TRANSFER_SAVE_CCTXT) |
22 |
|
23 |
struct coro; /* opaque */ |
24 |
|
25 |
struct CoroAPI { |
26 |
I32 ver; |
27 |
#define CORO_API_VERSION 1 |
28 |
|
29 |
/* internal */ |
30 |
/*struct coro *(*sv_to_coro)(SV *arg, const char *funcname, const char *varname);*/ |
31 |
|
32 |
/* public, state */ |
33 |
void (*transfer)(pTHX_ SV *prev, SV *next, int flags); |
34 |
|
35 |
/* public, coro */ |
36 |
void (*schedule)(void); |
37 |
void (*cede)(void); |
38 |
void (*ready)(SV *sv); |
39 |
int *nready; |
40 |
GV *current; |
41 |
}; |
42 |
|
43 |
static struct CoroAPI *GCoroAPI; |
44 |
|
45 |
#define CORO_TRANSFER(prev,next) GCoroAPI->transfer(aTHX_ (prev),(next)) |
46 |
#define CORO_SCHEDULE GCoroAPI->schedule() |
47 |
#define CORO_CEDE GCoroAPI->cede() |
48 |
#define CORO_READY(coro) GCoroAPI->ready(coro) |
49 |
#define CORO_NREADY (*GCoroAPI->nready) |
50 |
#define CORO_CURRENT SvRV(GvSV(GCoroAPI->current)) |
51 |
|
52 |
#define I_CORO_API(YourName) \ |
53 |
STMT_START { \ |
54 |
SV *sv = perl_get_sv("Coro::API",0); \ |
55 |
if (!sv) croak("Coro::API not found"); \ |
56 |
GCoroAPI = (struct CoroAPI*) SvIV(sv); \ |
57 |
if (GCoroAPI->ver != CORO_API_VERSION) { \ |
58 |
croak("Coro::API version mismatch (%d != %d) -- please recompile %s", \ |
59 |
GCoroAPI->ver, CORO_API_VERSION, YourName); \ |
60 |
} \ |
61 |
} STMT_END |
62 |
|
63 |
#endif |
64 |
|