ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Coro/Event/Event.xs
(Generate patch)

Comparing Coro/Event/Event.xs (file contents):
Revision 1.8 by root, Sun Apr 14 01:18:38 2002 UTC vs.
Revision 1.12 by root, Fri Dec 1 02:17:37 2006 UTC

… …
9confess (const char *msg) 9confess (const char *msg)
10{ 10{
11 dSP; 11 dSP;
12 12
13 PUSHMARK(SP); 13 PUSHMARK(SP);
14 XPUSHs (sv_2mortal(newSVpv("only one coroutine can wait for an event",0))); 14 XPUSHs (sv_2mortal(newSVpv("only one coroutine can wait for an event at any given time",0)));
15 PUTBACK; 15 PUTBACK;
16 call_pv ("Carp::confess", G_VOID); 16 call_pv ("Carp::confess", G_VOID);
17} 17}
18 18
19#include "EventAPI.h" 19#include "EventAPI.h"
20#include "../Coro/CoroAPI.h" 20#include "../Coro/CoroAPI.h"
21
22#ifndef PE_PERLCB
23# define PE_PERLCB 0x020 /* not public, but we need it :( */
24#endif
21 25
22#define CD_CORO 0 26#define CD_CORO 0
23#define CD_TYPE 1 27#define CD_TYPE 1
24#define CD_OK 2 28#define CD_OK 2
25#define CD_PRIO 3 /* hardcoded in Coro::Event */ 29#define CD_PRIO 3 /* hardcoded in Coro::Event */
… …
27#define CD_GOT 5 /* hardcoded in Coro::Event, Coro::Handle */ 31#define CD_GOT 5 /* hardcoded in Coro::Event, Coro::Handle */
28#define CD_MAX 5 32#define CD_MAX 5
29 33
30#define EV_CLASS "Coro::Event" 34#define EV_CLASS "Coro::Event"
31 35
32static pe_idle *scheduler;
33static int do_schedule;
34
35#define NEED_SCHEDULE if (!do_schedule) \
36 { \
37 do_schedule = 1; \
38 GEventAPI->now ((pe_watcher *)scheduler); \
39 }
40
41static void 36static void
42coro_std_cb(pe_event *pe) 37coro_std_cb(pe_event *pe)
43{ 38{
44 AV *priv = (AV *)pe->ext_data; 39 AV *priv = (AV *)pe->ext_data;
45 IV type = SvIV (*av_fetch (priv, CD_TYPE, 1)); 40 IV type = SvIV (*av_fetch (priv, CD_TYPE, 1));
46 SV **cd_coro = &AvARRAY(priv)[CD_CORO]; 41 SV **cd_coro;
47 42
48 sv_setiv (AvARRAY(priv)[CD_PRIO], pe->prio); 43 sv_setiv (AvARRAY(priv)[CD_PRIO], pe->prio);
49 sv_setiv (AvARRAY(priv)[CD_HITS], pe->hits); 44 sv_setiv (AvARRAY(priv)[CD_HITS], pe->hits);
50 45
51 if (type == 1) 46 if (type == 1)
52 sv_setiv (AvARRAY(priv)[CD_GOT], ((pe_ioevent *)pe)->got); 47 sv_setiv (AvARRAY(priv)[CD_GOT], ((pe_ioevent *)pe)->got);
53 48
49 GEventAPI->stop (pe->up, 0);
50
51 AvARRAY(priv)[CD_OK] = &PL_sv_yes;
52
53 cd_coro = &AvARRAY(priv)[CD_CORO];
54 if (*cd_coro != &PL_sv_undef) 54 if (*cd_coro != &PL_sv_undef)
55 { 55 {
56 AvARRAY(priv)[CD_OK] = &PL_sv_yes;
56 CORO_READY (*cd_coro); 57 CORO_READY (*cd_coro);
57 SvREFCNT_dec (*cd_coro); 58 SvREFCNT_dec (*cd_coro);
58 *cd_coro = &PL_sv_undef; 59 *cd_coro = &PL_sv_undef;
59 NEED_SCHEDULE;
60 }
61 else
62 {
63 AvARRAY(priv)[CD_OK] = &PL_sv_yes;
64 GEventAPI->stop (pe->up, 0);
65 } 60 }
66} 61}
67 62
68static void 63static double
69scheduler_cb(pe_event *pe) 64prepare_hook (void *data)
70{ 65{
71 while (CORO_NREADY) 66 while (CORO_NREADY)
72 CORO_CEDE; 67 CORO_CEDE;
73 68
74 do_schedule = 0; 69 return 1e10;
75} 70}
76 71
77MODULE = Coro::Event PACKAGE = Coro::Event 72MODULE = Coro::Event PACKAGE = Coro::Event
78 73
79PROTOTYPES: ENABLE 74PROTOTYPES: ENABLE
80 75
81BOOT: 76BOOT:
82{ 77{
83 I_EVENT_API("Coro::Event"); 78 I_EVENT_API ("Coro::Event");
84 I_CORO_API ("Coro::Event"); 79 I_CORO_API ("Coro::Event");
85 80
86 /* create a fake idle handler (we only ever call now) */ 81 GEventAPI->add_hook ("prepare", (void *)prepare_hook, 0);
87 scheduler = GEventAPI->new_idle (0, 0);
88 scheduler->base.callback = scheduler_cb;
89 scheduler->base.prio = PE_PRIO_NORMAL; /* StarvePrio */
90 scheduler->min_interval = newSVnv (0);
91 scheduler->max_interval = newSVnv (0);
92 GEventAPI->stop ((pe_watcher *)scheduler, 0);
93} 82}
94 83
95void 84void
96_install_std_cb(self,type) 85_install_std_cb(self,type)
97 SV * self 86 SV * self
98 int type 87 int type
99 CODE: 88 CODE:
89{
100 pe_watcher *w = GEventAPI->sv_2watcher (self); 90 pe_watcher *w = GEventAPI->sv_2watcher (self);
101 AV *priv = newAV ();
102 SV *rv = newRV_noinc ((SV *)priv);
103 91
104 av_extend (priv, CD_MAX); 92 if (WaFLAGS (w) & PE_PERLCB)
105 av_store (priv, CD_CORO, &PL_sv_undef); 93 croak ("Coro::Event watchers must not have a perl callback (see Coro::Event), caught");
106 av_store (priv, CD_TYPE, newSViv (type)); 94 {
107 av_store (priv, CD_OK , &PL_sv_no); 95 AV *priv = newAV ();
108 av_store (priv, CD_PRIO, newSViv (0)); 96 SV *rv = newRV_noinc ((SV *)priv);
109 av_store (priv, CD_HITS, newSViv (0));
110 av_store (priv, CD_GOT , type ? newSViv (0) : &PL_sv_undef);
111 SvREADONLY_on (priv);
112 97
113 w->callback = coro_std_cb; 98 av_extend (priv, CD_MAX);
114 w->ext_data = priv; 99 av_store (priv, CD_CORO, &PL_sv_undef);
100 av_store (priv, CD_TYPE, newSViv (type));
101 av_store (priv, CD_OK , &PL_sv_no);
102 av_store (priv, CD_PRIO, newSViv (0));
103 av_store (priv, CD_HITS, newSViv (0));
104 av_store (priv, CD_GOT , type ? newSViv (0) : &PL_sv_undef);
105 SvREADONLY_on (priv);
115 106
116 hv_store ((HV *)SvRV (self), 107 w->callback = coro_std_cb;
117 EV_CLASS, strlen (EV_CLASS), 108 w->ext_data = priv;
118 rv, 0);
119 109
110 hv_store ((HV *)SvRV (self),
111 EV_CLASS, strlen (EV_CLASS),
112 rv, 0);
113
120 GEventAPI->start (w, 0); 114 GEventAPI->start (w, 0);
115 }
116}
121 117
122void 118void
123_next(self) 119_next(self)
124 SV * self 120 SV * self
125 CODE: 121 CODE:
122{
126 pe_watcher *w = GEventAPI->sv_2watcher (self); 123 pe_watcher *w = GEventAPI->sv_2watcher (self);
127 AV *priv = (AV *)w->ext_data; 124 AV *priv = (AV *)w->ext_data;
128
129 if (!w->running)
130 GEventAPI->start (w, 1);
131 125
132 if (AvARRAY(priv)[CD_OK] == &PL_sv_yes) 126 if (AvARRAY(priv)[CD_OK] == &PL_sv_yes)
133 { 127 {
134 AvARRAY(priv)[CD_OK] = &PL_sv_no; 128 AvARRAY(priv)[CD_OK] = &PL_sv_no;
135 XSRETURN_NO; 129 XSRETURN_NO;
136 } 130 }
137 else
138 {
139 if (AvARRAY(priv)[CD_CORO] != &PL_sv_undef)
140 confess ("only one coroutine can wait for an event");
141 131
142 AvARRAY(priv)[CD_CORO] = SvREFCNT_inc (CORO_CURRENT); 132 if (!w->running)
143 XSRETURN_YES; 133 GEventAPI->start (w, 1);
144 }
145 134
146MODULE = Coro::Event PACKAGE = Coro 135 if (AvARRAY(priv)[CD_CORO] == &PL_sv_undef)
136 AvARRAY(priv)[CD_CORO] = SvREFCNT_inc (CORO_CURRENT);
147 137
148# overwrite the ready function 138 XSRETURN_YES;
149void 139}
150ready(self)
151 SV * self
152 PROTOTYPE: $
153 CODE:
154 NEED_SCHEDULE;
155 CORO_READY (self);
156 140
157

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines