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7 | #include "EventAPI.h" |
7 | #include "EventAPI.h" |
8 | #include "../Coro/CoroAPI.h" |
8 | #include "../Coro/CoroAPI.h" |
9 | |
9 | |
10 | #define CD_CORO 0 |
10 | #define CD_CORO 0 |
11 | #define CD_TYPE 1 |
11 | #define CD_TYPE 1 |
12 | #define CD_W 2 |
12 | #define CD_OK 2 |
13 | #define CD_GOT 3 |
13 | #define CD_GOT 3 /* hardcoded in Coro::Event, Coro::Handle */ |
14 | #define CD_MAX 3 |
14 | #define CD_MAX 3 |
15 | /* no support for hits and prio so far. */ |
15 | /* no support for hits and prio so far. */ |
16 | |
16 | |
17 | #define EV_CLASS "Coro::Event::Ev" |
17 | #define EV_CLASS "Coro::Event" |
18 | |
18 | |
19 | static HV *ev_stash; |
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20 | static pe_idle *scheduler; |
19 | static pe_idle *scheduler; |
21 | static int do_schedule; |
20 | static int do_schedule; |
22 | |
21 | |
23 | #define NEED_SCHEDULE if (!do_schedule) \ |
22 | #define NEED_SCHEDULE if (!do_schedule) \ |
24 | { \ |
23 | { \ |
25 | do_schedule = 1; \ |
24 | do_schedule = 1; \ |
26 | GEventAPI->now ((pe_watcher *)scheduler); \ |
25 | GEventAPI->now ((pe_watcher *)scheduler); \ |
27 | } |
26 | } |
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27 | |
28 | static void |
28 | static void |
29 | coro_std_cb(pe_event *pe) |
29 | coro_std_cb(pe_event *pe) |
30 | { |
30 | { |
31 | AV *av = (AV *)SvRV ((SV *)pe->ext_data); |
31 | AV *priv = (AV *)SvRV ((SV *)pe->ext_data); |
32 | IV type = SvIV (*av_fetch (av, CD_TYPE, 1)); |
32 | IV type = SvIV (*av_fetch (priv, CD_TYPE, 1)); |
33 | SV *cd_coro = *av_fetch (av, CD_CORO, 1); |
33 | SV *cd_coro = *av_fetch (priv, CD_CORO, 1); |
34 | |
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35 | av_store (av, CD_W, SvREFCNT_inc (pe->up->mysv)); |
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36 | |
34 | |
37 | if (type == 1) |
35 | if (type == 1) |
38 | av_store (av, CD_GOT, newSViv (((pe_ioevent *)pe)->got)); |
36 | av_store (priv, CD_GOT, newSViv (((pe_ioevent *)pe)->got)); |
39 | |
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40 | GEventAPI->stop (pe->up, 0); |
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41 | |
37 | |
42 | if (SvROK (cd_coro)) |
38 | if (SvROK (cd_coro)) |
43 | { |
39 | { |
44 | CORO_READY (cd_coro); |
40 | CORO_READY (cd_coro); |
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41 | av_store (priv, CD_CORO, &PL_sv_undef); |
45 | NEED_SCHEDULE; |
42 | NEED_SCHEDULE; |
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43 | } |
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44 | else |
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45 | { |
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46 | av_store (priv, CD_OK, &PL_sv_yes); |
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47 | GEventAPI->stop (pe->up, 0); |
46 | } |
48 | } |
47 | } |
49 | } |
48 | |
50 | |
49 | static void |
51 | static void |
50 | scheduler_cb(pe_event *pe) |
52 | scheduler_cb(pe_event *pe) |
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62 | BOOT: |
64 | BOOT: |
63 | { |
65 | { |
64 | I_EVENT_API("Coro::Event"); |
66 | I_EVENT_API("Coro::Event"); |
65 | I_CORO_API ("Coro::Event"); |
67 | I_CORO_API ("Coro::Event"); |
66 | |
68 | |
67 | ev_stash = gv_stashpv (EV_CLASS, TRUE); |
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68 | |
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69 | /* create a fake idle handler (we only ever call now) */ |
69 | /* create a fake idle handler (we only ever call now) */ |
70 | scheduler = GEventAPI->new_idle (0, 0); |
70 | scheduler = GEventAPI->new_idle (0, 0); |
71 | scheduler->base.callback = scheduler_cb; |
71 | scheduler->base.callback = scheduler_cb; |
72 | scheduler->min_interval = newSVnv (0); |
72 | scheduler->min_interval = newSVnv (0); |
73 | scheduler->max_interval = newSVnv (0); |
73 | scheduler->max_interval = newSVnv (0); |
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79 | SV * self |
79 | SV * self |
80 | int type |
80 | int type |
81 | CODE: |
81 | CODE: |
82 | pe_watcher *w = GEventAPI->sv_2watcher (self); |
82 | pe_watcher *w = GEventAPI->sv_2watcher (self); |
83 | AV *priv = newAV (); |
83 | AV *priv = newAV (); |
84 | SV *rv; |
84 | SV *rv = newRV_noinc ((SV *)priv); |
85 | |
85 | |
86 | av_extend (priv, CD_MAX); |
86 | av_extend (priv, CD_MAX); |
87 | av_store (priv, CD_TYPE, newSViv (type)); |
87 | av_store (priv, CD_TYPE, newSViv (type)); |
88 | |
88 | |
89 | rv = sv_bless (newRV_noinc ((SV *)priv), ev_stash); |
89 | w->callback = coro_std_cb; |
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90 | w->ext_data = rv; |
90 | |
91 | |
91 | hv_store ((HV *)SvRV (self), |
92 | hv_store ((HV *)SvRV (self), |
92 | EV_CLASS, strlen (EV_CLASS), |
93 | EV_CLASS, strlen (EV_CLASS), |
93 | rv, 0); |
94 | rv, 0); |
94 | |
95 | |
95 | w->ext_data = rv; |
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96 | w->callback = coro_std_cb; |
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97 | |
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98 | void |
96 | void |
99 | _next0(self) |
97 | _next(self) |
100 | SV * self |
98 | SV * self |
101 | CODE: |
99 | CODE: |
102 | pe_watcher *w = GEventAPI->sv_2watcher (self); |
100 | pe_watcher *w = GEventAPI->sv_2watcher (self); |
103 | AV *priv = (AV *)SvRV ((SV *)w->ext_data); |
101 | AV *priv = (AV *)SvRV ((SV *)w->ext_data); |
104 | |
102 | |
105 | GEventAPI->start (w, 1); |
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106 | |
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107 | if (SvROK (*av_fetch (priv, CD_CORO, 1))) |
103 | if (SvOK (*av_fetch (priv, CD_CORO, 1))) |
108 | croak ("only one coroutine can wait for an event"); |
104 | croak ("only one coroutine can wait for an event"); |
109 | |
105 | |
110 | av_store (priv, CD_CORO, SvREFCNT_inc (CORO_CURRENT)); |
106 | if (!w->running) |
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107 | GEventAPI->start (w, 1); |
111 | |
108 | |
112 | SV * |
109 | if (*av_fetch (priv, CD_OK, 1) == &PL_sv_yes) |
113 | _next1(self) |
110 | { |
114 | SV * self |
111 | av_store (priv, CD_OK, &PL_sv_no); |
115 | CODE: |
112 | XSRETURN_NO; |
116 | pe_watcher *w = GEventAPI->sv_2watcher (self); |
113 | } |
117 | AV *priv = (AV *)SvRV ((SV *)w->ext_data); |
114 | else |
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115 | { |
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116 | av_store (priv, CD_CORO, SvREFCNT_inc (CORO_CURRENT)); |
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117 | XSRETURN_YES; |
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118 | } |
118 | |
119 | |
119 | av_store (priv, CD_CORO, &PL_sv_undef); |
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120 | |
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121 | RETVAL = SvREFCNT_inc ((SV *)w->ext_data); |
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122 | OUTPUT: |
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123 | RETVAL |
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124 | |
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