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/cvs/Coro/Coro/CoroAPI.h
Revision: 1.3
Committed: Tue Nov 27 01:41:41 2001 UTC (23 years ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.2: +8 -6 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1 #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 root 1.3 #define TRANSFER_SAVE_DEFAV 0x00000001 /* @_ */
10     #define TRANSFER_SAVE_DEFSV 0x00000002 /* $_ */
11     #define TRANSFER_SAVE_ERRSV 0x00000004 /* $@ */
12     #define TRANSFER_SAVE_CURPM 0x00000008 /* regex results */
13 root 1.1 /* c-related */
14 root 1.3 #define TRANSFER_SAVE_CCTXT 0x00000100
15 root 1.1 #ifdef CORO_LAZY_STACK
16 root 1.3 # define TRANSFER_LAZY_STACK 0x00000200
17 root 1.1 #else
18     # define TRANSFER_LAZY_STACK 0x00000000
19     #endif
20    
21     #define TRANSFER_SAVE_ALL (TRANSFER_SAVE_DEFAV|TRANSFER_SAVE_DEFSV \
22 root 1.3 |TRANSFER_SAVE_ERRSV|TRANSFER_SAVE_CURPM \
23     |TRANSFER_SAVE_CCTXT)
24 root 1.1
25     struct coro; /* opaque */
26    
27     struct CoroAPI {
28     I32 ver;
29     #define CORO_API_VERSION 1
30    
31     /* internal */
32     /*struct coro *(*sv_to_coro)(SV *arg, const char *funcname, const char *varname);*/
33    
34     /* public, state */
35     void (*transfer)(pTHX_ SV *prev, SV *next, int flags);
36    
37     /* public, coro */
38 root 1.2 void (*schedule)(void);
39     void (*cede)(void);
40 root 1.1 void (*ready)(SV *sv);
41     int *nready;
42     GV *current;
43     };
44    
45     static struct CoroAPI *GCoroAPI;
46    
47     #define CORO_TRANSFER(prev,next) GCoroAPI->transfer(aTHX_ (prev),(next))
48 root 1.2 #define CORO_SCHEDULE GCoroAPI->schedule()
49     #define CORO_CEDE GCoroAPI->cede()
50 root 1.1 #define CORO_READY(coro) GCoroAPI->ready(coro)
51     #define CORO_NREADY (*GCoroAPI->nready)
52 root 1.2 #define CORO_CURRENT SvRV(GvSV(GCoroAPI->current))
53 root 1.1
54     #define I_CORO_API(YourName) \
55     STMT_START { \
56     SV *sv = perl_get_sv("Coro::API",0); \
57     if (!sv) croak("Coro::API not found"); \
58     GCoroAPI = (struct CoroAPI*) SvIV(sv); \
59     if (GCoroAPI->ver != CORO_API_VERSION) { \
60     croak("Coro::API version mismatch (%d != %d) -- please recompile %s", \
61     GCoroAPI->ver, CORO_API_VERSION, YourName); \
62     } \
63     } STMT_END
64    
65     #endif
66