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/cvs/Coro/Coro/CoroAPI.h
Revision: 1.10
Committed: Fri Dec 1 19:41:06 2006 UTC (18 years ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-3_0, rel-3_01
Changes since 1.9: +5 -4 lines
Log Message:
*** empty log message ***

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 /* private structure, always use the provided macros below */
27 struct CoroAPI {
28 I32 ver;
29 #define CORO_API_VERSION 2
30 #define CORO_API_REVISION 0
31
32 /* internal */
33 /*struct coro *(*sv_to_coro)(SV *arg, const char *funcname, const char *varname);*/
34
35 /* public API, Coro::State */
36 void (*transfer) (SV *prev, SV *next, int flags);
37
38 /* public API, Coro */
39 void (*schedule) (void);
40 void (*cede) (void);
41 int (*ready) (SV *coro_sv);
42 int (*is_ready) (SV *coro_sv);
43 int *nready;
44 SV *current;
45 };
46
47 static struct CoroAPI *GCoroAPI;
48
49 #define CORO_TRANSFER(prev,next,flags) GCoroAPI->transfer (aTHX_ (prev), (next), (flags))
50 #define CORO_SCHEDULE GCoroAPI->schedule ()
51 #define CORO_CEDE GCoroAPI->cede ()
52 #define CORO_READY(coro) GCoroAPI->ready (coro)
53 #define CORO_IS_READY(coro) GCoroAPI->is_ready (coro)
54 #define CORO_NREADY (*GCoroAPI->nready)
55 #define CORO_CURRENT SvRV (GCoroAPI->current)
56
57 #define I_CORO_API(YourName) \
58 STMT_START { \
59 SV *sv = perl_get_sv("Coro::API",0); \
60 if (!sv) croak("Coro::API not found"); \
61 GCoroAPI = (struct CoroAPI*) SvIV(sv); \
62 if (GCoroAPI->ver != CORO_API_VERSION) { \
63 croak("Coro::API version mismatch (%d != %d) -- please recompile %s", \
64 GCoroAPI->ver, CORO_API_VERSION, YourName); \
65 } \
66 } STMT_END
67
68 #endif
69