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/cvs/Coro/Coro/CoroAPI.h
Revision: 1.7
Committed: Sat Nov 25 00:40:26 2006 UTC (18 years ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.6: +3 -9 lines
Log Message:
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File Contents

# Content
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 1
29
30 /* internal */
31 /*struct coro *(*sv_to_coro)(SV *arg, const char *funcname, const char *varname);*/
32
33 /* public, state */
34 void (*transfer)(pTHX_ SV *prev, SV *next, int flags);
35
36 /* public, coro */
37 void (*schedule)(void);
38 void (*cede)(void);
39 void (*ready)(SV *sv);
40 int *nready;
41 GV *current;
42 };
43
44 static struct CoroAPI *GCoroAPI;
45
46 #define CORO_TRANSFER(prev,next,flags) GCoroAPI->transfer(aTHX_ (prev), (next), (flags))
47 #define CORO_SCHEDULE GCoroAPI->schedule ()
48 #define CORO_CEDE GCoroAPI->cede ()
49 #define CORO_READY(coro) GCoroAPI->ready (coro)
50 #define CORO_NREADY (*GCoroAPI->nready)
51 #define CORO_CURRENT SvRV(GvSV(GCoroAPI->current))
52
53 #define I_CORO_API(YourName) \
54 STMT_START { \
55 SV *sv = perl_get_sv("Coro::API",0); \
56 if (!sv) croak("Coro::API not found"); \
57 GCoroAPI = (struct CoroAPI*) SvIV(sv); \
58 if (GCoroAPI->ver != CORO_API_VERSION) { \
59 croak("Coro::API version mismatch (%d != %d) -- please recompile %s", \
60 GCoroAPI->ver, CORO_API_VERSION, YourName); \
61 } \
62 } STMT_END
63
64 #endif
65