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14 | #define CD_HITS 3 /* hardcoded in Coro::Event */ |
14 | #define CD_HITS 3 /* hardcoded in Coro::Event */ |
15 | #define CD_GOT 4 /* hardcoded in Coro::Event, Coro::Handle */ |
15 | #define CD_GOT 4 /* hardcoded in Coro::Event, Coro::Handle */ |
16 | #define CD_MAX 4 |
16 | #define CD_MAX 4 |
17 | |
17 | |
18 | static HV *coro_event_event_stash; |
18 | static HV *coro_event_event_stash; |
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19 | |
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20 | #define PERL_MAGIC_coro_event 0x18 /* to avoid clashes with e.g. event */ |
19 | |
21 | |
20 | static void |
22 | static void |
21 | coro_std_cb (pe_event *pe) |
23 | coro_std_cb (pe_event *pe) |
22 | { |
24 | { |
23 | AV *priv = (AV *)pe->ext_data; |
25 | AV *priv = (AV *)pe->ext_data; |
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67 | } |
69 | } |
68 | else |
70 | else |
69 | return 85197.73; /* this is as good as any value, but it factors badly with common values */ |
71 | return 85197.73; /* this is as good as any value, but it factors badly with common values */ |
70 | } |
72 | } |
71 | |
73 | |
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74 | static SV * |
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75 | event_next (SV *watcher, int cancel, int wantev) |
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76 | { |
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77 | pe_watcher *w = GEventAPI->sv_2watcher (watcher); |
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78 | AV *priv = (AV *)w->ext_data; |
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79 | |
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80 | if (AvARRAY (priv)[CD_OK] == &PL_sv_yes) |
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81 | { |
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82 | AvARRAY (priv)[CD_OK] = &PL_sv_no; |
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83 | |
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84 | if (cancel) |
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85 | GEventAPI->cancel (w); |
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86 | |
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87 | if (wantev) |
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88 | { |
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89 | SV *ev = newRV_inc ((SV *)priv); |
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90 | |
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91 | /* may need to bless it now */ |
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92 | if (!SvOBJECT (priv)) |
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93 | { |
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94 | SvREADONLY_off ((SV *)priv); |
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95 | sv_bless (ev, coro_event_event_stash); |
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96 | SvREADONLY_on ((SV *)priv); |
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97 | } |
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98 | |
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99 | return sv_2mortal (ev); |
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100 | } |
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101 | else |
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102 | return &PL_sv_undef; |
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103 | } |
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104 | |
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105 | av_push ((AV *)AvARRAY (priv)[CD_WAIT], SvREFCNT_inc (CORO_CURRENT)); |
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106 | |
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107 | if (!w->running) |
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108 | GEventAPI->start (w, 1); |
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109 | |
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110 | return 0; /* schedule */ |
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111 | } |
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112 | |
72 | MODULE = Coro::Event PACKAGE = Coro::Event |
113 | MODULE = Coro::Event PACKAGE = Coro::Event |
73 | |
114 | |
74 | PROTOTYPES: ENABLE |
115 | PROTOTYPES: ENABLE |
75 | |
116 | |
76 | BOOT: |
117 | BOOT: |
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80 | I_EVENT_API ("Coro::Event"); |
121 | I_EVENT_API ("Coro::Event"); |
81 | I_CORO_API ("Coro::Event"); |
122 | I_CORO_API ("Coro::Event"); |
82 | |
123 | |
83 | GEventAPI->add_hook ("asynccheck", (void *)asynccheck_hook, 0); |
124 | GEventAPI->add_hook ("asynccheck", (void *)asynccheck_hook, 0); |
84 | GEventAPI->add_hook ("prepare", (void *)prepare_hook, 0); |
125 | GEventAPI->add_hook ("prepare", (void *)prepare_hook, 0); |
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126 | |
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127 | GCoroAPI->coro_event_next = event_next; |
85 | } |
128 | } |
86 | |
129 | |
87 | void |
130 | void |
88 | _install_std_cb (SV *self, int type) |
131 | _install_std_cb (SV *self, int type) |
89 | CODE: |
132 | CODE: |
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105 | SvREADONLY_on (priv); |
148 | SvREADONLY_on (priv); |
106 | |
149 | |
107 | w->callback = coro_std_cb; |
150 | w->callback = coro_std_cb; |
108 | w->ext_data = priv; |
151 | w->ext_data = priv; |
109 | |
152 | |
110 | /* make sure Event does not use PERL_MAGIC_uvar, which */ |
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111 | /* we abuse for non-uvar purposes. */ |
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112 | sv_magicext (SvRV (self), newRV_noinc ((SV *)priv), PERL_MAGIC_uvar, 0, 0, 0); |
153 | sv_magicext (SvRV (self), newRV_noinc ((SV *)priv), PERL_MAGIC_coro_event, 0, (char *)w, 0); |
113 | } |
154 | } |
114 | } |
155 | } |
115 | |
156 | |
116 | void |
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117 | _next (SV *self) |
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118 | CODE: |
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119 | { |
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120 | pe_watcher *w = GEventAPI->sv_2watcher (self); |
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121 | AV *priv = (AV *)w->ext_data; |
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122 | |
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123 | if (AvARRAY (priv)[CD_OK] == &PL_sv_yes) |
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124 | { |
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125 | AvARRAY (priv)[CD_OK] = &PL_sv_no; |
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126 | XSRETURN_NO; /* got an event */ |
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127 | } |
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128 | |
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129 | av_push ((AV *)AvARRAY (priv)[CD_WAIT], SvREFCNT_inc (CORO_CURRENT)); |
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130 | |
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131 | if (!w->running) |
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132 | GEventAPI->start (w, 1); |
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133 | |
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134 | XSRETURN_YES; /* schedule */ |
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135 | } |
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136 | |
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137 | SV * |
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138 | _event (SV *self) |
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139 | CODE: |
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140 | { |
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141 | if (GIMME_V == G_VOID) |
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142 | XSRETURN_EMPTY; |
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143 | |
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144 | { |
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145 | pe_watcher *w = GEventAPI->sv_2watcher (self); |
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146 | AV *priv = (AV *)w->ext_data; |
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147 | |
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148 | RETVAL = newRV_inc ((SV *)priv); |
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149 | |
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150 | /* may need to bless it now */ |
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151 | if (!SvOBJECT (priv)) |
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152 | { |
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153 | SvREADONLY_off ((SV *)priv); |
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154 | sv_bless (RETVAL, coro_event_event_stash); |
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155 | SvREADONLY_on ((SV *)priv); |
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156 | } |
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157 | } |
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158 | } |
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159 | OUTPUT: |
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160 | RETVAL |
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161 | |
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