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9 | confess (const char *msg) |
9 | confess (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" |
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21 | |
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22 | #ifndef PE_PERLCB |
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23 | # define PE_PERLCB 0x020 /* not public, but we need it :( */ |
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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 */ |
26 | #define CD_HITS 4 /* hardcoded in Coro::Event */ |
30 | #define CD_HITS 4 /* 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 | |
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32 | static pe_idle *scheduler; |
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33 | static int do_schedule; |
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34 | |
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35 | #define NEED_SCHEDULE if (!do_schedule) \ |
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36 | { \ |
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37 | do_schedule = 1; \ |
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38 | GEventAPI->now ((pe_watcher *)scheduler); \ |
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39 | } |
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40 | |
35 | |
41 | static void |
36 | static void |
42 | coro_std_cb(pe_event *pe) |
37 | coro_std_cb(pe_event *pe) |
43 | { |
38 | { |
44 | AV *priv = (AV *)pe->ext_data; |
39 | AV *priv = (AV *)pe->ext_data; |
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54 | if (*cd_coro != &PL_sv_undef) |
49 | if (*cd_coro != &PL_sv_undef) |
55 | { |
50 | { |
56 | CORO_READY (*cd_coro); |
51 | CORO_READY (*cd_coro); |
57 | SvREFCNT_dec (*cd_coro); |
52 | SvREFCNT_dec (*cd_coro); |
58 | *cd_coro = &PL_sv_undef; |
53 | *cd_coro = &PL_sv_undef; |
59 | NEED_SCHEDULE; |
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60 | } |
54 | } |
61 | else |
55 | else |
62 | { |
56 | { |
63 | AvARRAY(priv)[CD_OK] = &PL_sv_yes; |
57 | AvARRAY(priv)[CD_OK] = &PL_sv_yes; |
64 | GEventAPI->stop (pe->up, 0); |
58 | GEventAPI->stop (pe->up, 0); |
65 | } |
59 | } |
66 | } |
60 | } |
67 | |
61 | |
68 | static void |
62 | static double |
69 | scheduler_cb(pe_event *pe) |
63 | prepare_hook (void *data) |
70 | { |
64 | { |
71 | while (CORO_NREADY) |
65 | while (CORO_NREADY) |
72 | CORO_CEDE; |
66 | CORO_CEDE; |
73 | |
67 | |
74 | do_schedule = 0; |
68 | return 1e20; |
75 | } |
69 | } |
76 | |
70 | |
77 | MODULE = Coro::Event PACKAGE = Coro::Event |
71 | MODULE = Coro::Event PACKAGE = Coro::Event |
78 | |
72 | |
79 | PROTOTYPES: ENABLE |
73 | PROTOTYPES: ENABLE |
80 | |
74 | |
81 | BOOT: |
75 | BOOT: |
82 | { |
76 | { |
83 | I_EVENT_API("Coro::Event"); |
77 | I_EVENT_API ("Coro::Event"); |
84 | I_CORO_API ("Coro::Event"); |
78 | I_CORO_API ("Coro::Event"); |
85 | |
79 | |
86 | /* create a fake idle handler (we only ever call now) */ |
80 | GEventAPI->add_hook ("prepare", (void *)prepare_hook, 0); |
87 | scheduler = GEventAPI->new_idle (0, 0); |
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88 | scheduler->base.callback = scheduler_cb; |
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89 | scheduler->base.prio = PE_PRIO_NORMAL; /* StarvePrio */ |
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90 | scheduler->min_interval = newSVnv (0); |
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91 | scheduler->max_interval = newSVnv (0); |
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92 | GEventAPI->stop ((pe_watcher *)scheduler, 0); |
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93 | } |
81 | } |
94 | |
82 | |
95 | void |
83 | void |
96 | _install_std_cb(self,type) |
84 | _install_std_cb(self,type) |
97 | SV * self |
85 | SV * self |
98 | int type |
86 | int type |
99 | CODE: |
87 | CODE: |
100 | pe_watcher *w = GEventAPI->sv_2watcher (self); |
88 | pe_watcher *w = GEventAPI->sv_2watcher (self); |
101 | AV *priv = newAV (); |
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102 | SV *rv = newRV_noinc ((SV *)priv); |
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103 | |
89 | |
104 | av_extend (priv, CD_MAX); |
90 | if (WaFLAGS (w) & PE_PERLCB) |
105 | av_store (priv, CD_CORO, &PL_sv_undef); |
91 | croak ("Coro::Event watchers must not have a perl callback (see Coro::Event), caught"); |
106 | av_store (priv, CD_TYPE, newSViv (type)); |
92 | { |
107 | av_store (priv, CD_OK , &PL_sv_no); |
93 | AV *priv = newAV (); |
108 | av_store (priv, CD_PRIO, newSViv (0)); |
94 | SV *rv = newRV_noinc ((SV *)priv); |
109 | av_store (priv, CD_HITS, newSViv (0)); |
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110 | av_store (priv, CD_GOT , type ? newSViv (0) : &PL_sv_undef); |
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111 | SvREADONLY_on (priv); |
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112 | |
95 | |
113 | w->callback = coro_std_cb; |
96 | av_extend (priv, CD_MAX); |
114 | w->ext_data = priv; |
97 | av_store (priv, CD_CORO, &PL_sv_undef); |
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98 | av_store (priv, CD_TYPE, newSViv (type)); |
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99 | av_store (priv, CD_OK , &PL_sv_no); |
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100 | av_store (priv, CD_PRIO, newSViv (0)); |
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101 | av_store (priv, CD_HITS, newSViv (0)); |
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102 | av_store (priv, CD_GOT , type ? newSViv (0) : &PL_sv_undef); |
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103 | SvREADONLY_on (priv); |
115 | |
104 | |
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105 | w->callback = coro_std_cb; |
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106 | w->ext_data = priv; |
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107 | |
116 | hv_store ((HV *)SvRV (self), |
108 | hv_store ((HV *)SvRV (self), |
117 | EV_CLASS, strlen (EV_CLASS), |
109 | EV_CLASS, strlen (EV_CLASS), |
118 | rv, 0); |
110 | rv, 0); |
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111 | |
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112 | GEventAPI->start (w, 0); |
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113 | } |
119 | |
114 | |
120 | void |
115 | void |
121 | _next(self) |
116 | _next(self) |
122 | SV * self |
117 | SV * self |
123 | CODE: |
118 | CODE: |
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139 | |
134 | |
140 | AvARRAY(priv)[CD_CORO] = SvREFCNT_inc (CORO_CURRENT); |
135 | AvARRAY(priv)[CD_CORO] = SvREFCNT_inc (CORO_CURRENT); |
141 | XSRETURN_YES; |
136 | XSRETURN_YES; |
142 | } |
137 | } |
143 | |
138 | |
144 | MODULE = Coro::Event PACKAGE = Coro |
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145 | |
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146 | # overwrite the ready function |
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147 | void |
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148 | ready(self) |
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149 | SV * self |
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150 | CODE: |
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151 | NEED_SCHEDULE; |
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152 | CORO_READY (self); |
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153 | |
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154 | |
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