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45 | static void |
45 | static void |
46 | select_modify (EV_P_ int fd, int oev, int nev) |
46 | select_modify (EV_P_ int fd, int oev, int nev) |
47 | { |
47 | { |
48 | int offs = fd >> 3; |
48 | int offs = fd >> 3; |
49 | int mask = 1 << (fd & 7); |
49 | int mask = 1 << (fd & 7); |
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50 | |
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51 | if (oev == nev) |
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52 | return; |
50 | |
53 | |
51 | if (vec_max < (fd >> 5) + 1) |
54 | if (vec_max < (fd >> 5) + 1) |
52 | { |
55 | { |
53 | int new_max = (fd >> 5) + 1; |
56 | int new_max = (fd >> 5) + 1; |
54 | |
57 | |
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105 | int events = 0; |
108 | int events = 0; |
106 | events |= byte_r & (1 << bit) ? EV_READ : 0; |
109 | events |= byte_r & (1 << bit) ? EV_READ : 0; |
107 | events |= byte_w & (1 << bit) ? EV_WRITE : 0; |
110 | events |= byte_w & (1 << bit) ? EV_WRITE : 0; |
108 | |
111 | |
109 | if (events) |
112 | if (events) |
110 | fd_event (idx * 8 + bit, events); |
113 | fd_event (EV_A_ idx * 8 + bit, events); |
111 | } |
114 | } |
112 | } |
115 | } |
113 | } |
116 | } |
114 | } |
117 | } |
115 | else if (res < 0) |
118 | else if (res < 0) |
116 | { |
119 | { |
117 | if (errno == EBADF) |
120 | if (errno == EBADF) |
118 | fd_ebadf (); |
121 | fd_ebadf (EV_A); |
119 | else if (errno == ENOMEM) |
122 | else if (errno == ENOMEM) |
120 | fd_enomem (); |
123 | fd_enomem (EV_A); |
121 | } |
124 | } |
122 | } |
125 | } |
123 | |
126 | |
124 | static int |
127 | static int |
125 | select_init (EV_P_ int flags) |
128 | select_init (EV_P_ int flags) |
126 | { |
129 | { |
127 | method_fudge = 1e-2; /* needed to compensate for select returning early, very conservative */ |
130 | method_fudge = 1e-2; /* needed to compensate for select returning early, very conservative */ |
128 | method_modify = select_modify; |
131 | method_modify = select_modify; |
129 | method_poll = select_poll; |
132 | method_poll = select_poll; |
130 | |
133 | |
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134 | vec_max = 0; |
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135 | vec_ri = 0; |
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136 | vec_ri = 0; |
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137 | vec_wo = 0; |
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138 | vec_wo = 0; |
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139 | |
131 | return EVMETHOD_SELECT; |
140 | return EVMETHOD_SELECT; |
132 | } |
141 | } |
133 | |
142 | |
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143 | static void |
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144 | select_destroy (EV_P) |
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145 | { |
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146 | free (vec_ri); |
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147 | free (vec_ro); |
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148 | free (vec_wi); |
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149 | free (vec_wo); |
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150 | } |
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151 | |
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152 | |