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1 | /* |
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2 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are |
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7 | * met: |
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8 | * |
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9 | * * Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * * Redistributions in binary form must reproduce the above |
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13 | * copyright notice, this list of conditions and the following |
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14 | * disclaimer in the documentation and/or other materials provided |
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15 | * with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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21 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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23 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |
1 | #ifndef EV_H |
30 | #ifndef EV_H__ |
2 | #define EV_H |
31 | #define EV_H__ |
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32 | |
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33 | #ifdef __cplusplus |
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34 | extern "C" { |
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35 | #endif |
3 | |
36 | |
4 | typedef double ev_tstamp; |
37 | typedef double ev_tstamp; |
5 | |
38 | |
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39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
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40 | #ifndef EV_MINPRI |
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41 | # define EV_MINPRI -2 |
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42 | #endif |
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43 | #ifndef EV_MAXPRI |
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44 | # define EV_MAXPRI +2 |
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45 | #endif |
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46 | |
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47 | #ifndef EV_MULTIPLICITY |
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48 | # define EV_MULTIPLICITY 1 |
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49 | #endif |
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50 | |
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51 | #ifndef EV_PERIODIC_ENABLE |
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52 | # define EV_PERIODIC_ENABLE 1 |
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53 | #endif |
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54 | |
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55 | #ifndef EV_STAT_ENABLE |
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56 | # define EV_STAT_ENABLE 1 |
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57 | #endif |
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58 | |
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59 | #ifndef EV_IDLE_ENABLE |
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60 | # define EV_IDLE_ENABLE 1 |
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61 | #endif |
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62 | |
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63 | #ifndef EV_FORK_ENABLE |
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64 | # define EV_FORK_ENABLE 1 |
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65 | #endif |
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66 | |
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67 | #ifndef EV_EMBED_ENABLE |
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68 | # define EV_EMBED_ENABLE 1 |
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69 | #endif |
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70 | |
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71 | /*****************************************************************************/ |
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72 | |
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73 | #if EV_STAT_ENABLE |
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74 | # include <sys/stat.h> |
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75 | #endif |
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76 | |
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77 | /* support multiple event loops? */ |
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78 | #if EV_MULTIPLICITY |
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79 | struct ev_loop; |
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80 | # define EV_P struct ev_loop *loop |
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81 | # define EV_P_ EV_P, |
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82 | # define EV_A loop |
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83 | # define EV_A_ EV_A, |
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84 | # define EV_DEFAULT ev_default_loop (0) |
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85 | # define EV_DEFAULT_ EV_DEFAULT, |
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86 | #else |
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87 | # define EV_P void |
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88 | # define EV_P_ |
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89 | # define EV_A |
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90 | # define EV_A_ |
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91 | # define EV_DEFAULT |
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92 | # define EV_DEFAULT_ |
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93 | |
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94 | # undef EV_EMBED_ENABLE |
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95 | #endif |
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96 | |
6 | /* eventmask, revents, events... */ |
97 | /* eventmask, revents, events... */ |
7 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
98 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
8 | #define EV_NONE 0x00 |
99 | #define EV_NONE 0x00L /* no events */ |
9 | #define EV_READ 0x01 |
100 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
10 | #define EV_WRITE 0x02 |
101 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
11 | #define EV_TIMEOUT 0x04 |
102 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
12 | #define EV_SIGNAL 0x08 |
103 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
13 | #define EV_IDLE 0x10 |
104 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
14 | #define EV_CHECK 0x20 |
105 | #define EV_CHILD 0x00000800L /* child/pid had status change */ |
15 | #define EV_ERROR (0x3f|0x80) |
106 | #define EV_STAT 0x00001000L /* stat data changed */ |
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107 | #define EV_IDLE 0x00002000L /* event loop is idling */ |
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108 | #define EV_PREPARE 0x00004000L /* event loop about to poll */ |
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109 | #define EV_CHECK 0x00008000L /* event loop finished poll */ |
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110 | #define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ |
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111 | #define EV_FORK 0x00020000L /* event loop resumed in child */ |
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112 | #define EV_ERROR 0x80000000L /* sent when an error occurs */ |
16 | |
113 | |
17 | /* can be used to add custom fields to all watchers */ |
114 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
18 | #ifndef EV_COMMON |
115 | #ifndef EV_COMMON |
19 | # define EV_COMMON void *data |
116 | # define EV_COMMON void *data; |
20 | #endif |
117 | #endif |
21 | #ifndef EV_PROTOTYPES |
118 | #ifndef EV_PROTOTYPES |
22 | # define EV_PROTOTYPES 1 |
119 | # define EV_PROTOTYPES 1 |
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120 | #endif |
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121 | |
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122 | #define EV_VERSION_MAJOR 1 |
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123 | #define EV_VERSION_MINOR 1 |
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124 | |
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125 | #ifndef EV_CB_DECLARE |
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126 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
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127 | #endif |
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128 | #ifndef EV_CB_INVOKE |
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129 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
23 | #endif |
130 | #endif |
24 | |
131 | |
25 | /* |
132 | /* |
26 | * struct member types: |
133 | * struct member types: |
27 | * private: you can look at them, but not change them, and they might not mean anything to you. |
134 | * private: you can look at them, but not change them, and they might not mean anything to you. |
… | |
… | |
31 | |
138 | |
32 | /* shared by all watchers */ |
139 | /* shared by all watchers */ |
33 | #define EV_WATCHER(type) \ |
140 | #define EV_WATCHER(type) \ |
34 | int active; /* private */ \ |
141 | int active; /* private */ \ |
35 | int pending; /* private */ \ |
142 | int pending; /* private */ \ |
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143 | int priority; /* private */ \ |
36 | EV_COMMON; /* rw */ \ |
144 | EV_COMMON /* rw */ \ |
37 | void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
145 | EV_CB_DECLARE (type) /* private */ |
38 | |
146 | |
39 | #define EV_WATCHER_LIST(type) \ |
147 | #define EV_WATCHER_LIST(type) \ |
40 | EV_WATCHER (type); \ |
148 | EV_WATCHER (type) \ |
41 | struct type *next /* private */ |
149 | struct ev_watcher_list *next; /* private */ |
42 | |
150 | |
43 | #define EV_WATCHER_TIME(type) \ |
151 | #define EV_WATCHER_TIME(type) \ |
44 | EV_WATCHER (type); \ |
152 | EV_WATCHER (type) \ |
45 | ev_tstamp at /* private */ |
153 | ev_tstamp at; /* private */ |
46 | |
154 | |
47 | /* base class, nothing to see here unless you subclass */ |
155 | /* base class, nothing to see here unless you subclass */ |
48 | struct ev_watcher { |
156 | typedef struct ev_watcher |
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157 | { |
49 | EV_WATCHER (ev_watcher); |
158 | EV_WATCHER (ev_watcher) |
50 | }; |
159 | } ev_watcher; |
51 | |
160 | |
52 | /* base class, nothing to see here unless you subclass */ |
161 | /* base class, nothing to see here unless you subclass */ |
53 | struct ev_watcher_list { |
162 | typedef struct ev_watcher_list |
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163 | { |
54 | EV_WATCHER_LIST (ev_watcher_list); |
164 | EV_WATCHER_LIST (ev_watcher_list) |
55 | }; |
165 | } ev_watcher_list; |
56 | |
166 | |
57 | /* base class, nothing to see here unless you subclass */ |
167 | /* base class, nothing to see here unless you subclass */ |
58 | struct ev_watcher_time { |
168 | typedef struct ev_watcher_time |
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169 | { |
59 | EV_WATCHER_TIME (ev_watcher_time); |
170 | EV_WATCHER_TIME (ev_watcher_time) |
60 | }; |
171 | } ev_watcher_time; |
61 | |
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62 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
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63 | struct ev_timer |
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64 | { |
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65 | EV_WATCHER_TIME (ev_timer); |
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66 | |
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67 | ev_tstamp repeat; /* rw */ |
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68 | }; |
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69 | |
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70 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
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71 | struct ev_periodic |
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72 | { |
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73 | EV_WATCHER_TIME (ev_periodic); |
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74 | |
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75 | ev_tstamp interval; /* rw */ |
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76 | }; |
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77 | |
172 | |
78 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
173 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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174 | /* revent EV_READ, EV_WRITE */ |
79 | struct ev_io |
175 | typedef struct ev_io |
80 | { |
176 | { |
81 | EV_WATCHER_LIST (ev_io); |
177 | EV_WATCHER_LIST (ev_io) |
82 | |
178 | |
83 | int fd; /* ro */ |
179 | int fd; /* ro */ |
84 | int events; /* ro */ |
180 | int events; /* ro */ |
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181 | } ev_io; |
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182 | |
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183 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
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184 | /* revent EV_TIMEOUT */ |
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185 | typedef struct ev_timer |
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186 | { |
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187 | EV_WATCHER_TIME (ev_timer) |
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188 | |
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189 | ev_tstamp repeat; /* rw */ |
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190 | } ev_timer; |
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191 | |
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192 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
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193 | /* revent EV_PERIODIC */ |
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194 | typedef struct ev_periodic |
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195 | { |
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196 | EV_WATCHER_TIME (ev_periodic) |
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197 | |
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198 | ev_tstamp interval; /* rw */ |
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199 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
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200 | } ev_periodic; |
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201 | |
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202 | /* invoked when the given signal has been received */ |
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203 | /* revent EV_SIGNAL */ |
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204 | typedef struct ev_signal |
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205 | { |
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206 | EV_WATCHER_LIST (ev_signal) |
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207 | |
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208 | int signum; /* ro */ |
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209 | } ev_signal; |
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210 | |
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211 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
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212 | /* revent EV_CHILD */ |
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213 | /* does not support priorities */ |
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214 | typedef struct ev_child |
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215 | { |
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216 | EV_WATCHER_LIST (ev_child) |
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217 | |
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218 | int pid; /* ro */ |
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219 | int rpid; /* rw, holds the received pid */ |
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220 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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221 | } ev_child; |
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222 | |
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223 | #if EV_STAT_ENABLE |
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224 | /* st_nlink = 0 means missing file or other error */ |
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225 | # ifdef _WIN32 |
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226 | typedef struct _stati64 ev_statdata; |
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227 | # else |
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228 | typedef struct stat ev_statdata; |
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229 | # endif |
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230 | |
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231 | /* invoked each time the stat data changes for a given path */ |
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232 | /* revent EV_STAT */ |
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233 | typedef struct ev_stat |
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234 | { |
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235 | EV_WATCHER_LIST (ev_stat) |
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236 | |
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237 | ev_timer timer; /* private */ |
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238 | ev_tstamp interval; /* ro */ |
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239 | const char *path; /* ro */ |
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240 | ev_statdata prev; /* ro */ |
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241 | ev_statdata attr; /* ro */ |
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242 | |
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243 | int wd; /* wd for inotify, fd for kqueue */ |
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244 | } ev_stat; |
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245 | #endif |
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246 | |
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247 | #if EV_IDLE_ENABLE |
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248 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
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249 | /* revent EV_IDLE */ |
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250 | typedef struct ev_idle |
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251 | { |
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252 | EV_WATCHER (ev_idle) |
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253 | } ev_idle; |
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254 | #endif |
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255 | |
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256 | /* invoked for each run of the mainloop, just before the blocking call */ |
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257 | /* you can still change events in any way you like */ |
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258 | /* revent EV_PREPARE */ |
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259 | typedef struct ev_prepare |
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260 | { |
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261 | EV_WATCHER (ev_prepare) |
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262 | } ev_prepare; |
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263 | |
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264 | /* invoked for each run of the mainloop, just after the blocking call */ |
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265 | /* revent EV_CHECK */ |
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266 | typedef struct ev_check |
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267 | { |
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268 | EV_WATCHER (ev_check) |
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269 | } ev_check; |
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270 | |
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271 | #if EV_FORK_ENABLE |
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272 | /* the callback gets invoked before check in the child process when a fork was detected */ |
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273 | typedef struct ev_fork |
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274 | { |
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275 | EV_WATCHER (ev_fork) |
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276 | } ev_fork; |
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277 | #endif |
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278 | |
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279 | #if EV_EMBED_ENABLE |
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280 | /* used to embed an event loop inside another */ |
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281 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
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282 | typedef struct ev_embed |
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283 | { |
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284 | EV_WATCHER (ev_embed) |
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285 | |
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286 | ev_io io; /* private */ |
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287 | struct ev_loop *loop; /* ro */ |
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288 | } ev_embed; |
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289 | #endif |
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290 | |
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291 | /* the presence of this union forces similar struct layout */ |
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292 | union ev_any_watcher |
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293 | { |
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294 | struct ev_watcher w; |
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295 | struct ev_watcher_list wl; |
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296 | |
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297 | struct ev_io io; |
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298 | struct ev_timer timer; |
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299 | struct ev_periodic periodic; |
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300 | struct ev_signal signal; |
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301 | struct ev_child child; |
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302 | #if EV_STAT_ENABLE |
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303 | struct ev_stat stat; |
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304 | #endif |
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305 | #if EV_IDLE_ENABLE |
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306 | struct ev_idle idle; |
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307 | #endif |
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308 | struct ev_prepare prepare; |
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309 | struct ev_check check; |
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310 | #if EV_FORK_ENABLE |
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311 | struct ev_fork fork; |
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312 | #endif |
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313 | #if EV_EMBED_ENABLE |
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314 | struct ev_embed embed; |
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315 | #endif |
85 | }; |
316 | }; |
86 | |
317 | |
87 | /* invoked when the given signal has been received */ |
318 | /* bits for ev_default_loop and ev_loop_new */ |
88 | struct ev_signal |
319 | /* the default */ |
89 | { |
320 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
90 | EV_WATCHER_LIST (ev_signal); |
321 | /* flag bits */ |
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322 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
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323 | #define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ |
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324 | /* method bits to be ored together */ |
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325 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
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326 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
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327 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
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328 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
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329 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
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330 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
91 | |
331 | |
92 | int signum; /* ro */ |
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93 | }; |
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94 | |
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95 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
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96 | struct ev_idle |
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97 | { |
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98 | EV_WATCHER (ev_idle); |
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99 | }; |
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100 | |
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101 | /* invoked for each run of the mainloop, just before the next blocking vall is initiated */ |
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102 | struct ev_check |
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103 | { |
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104 | EV_WATCHER (ev_check); |
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105 | }; |
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106 | |
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107 | #define EVMETHOD_NONE 0 |
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108 | #define EVMETHOD_SELECT 1 |
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109 | #define EVMETHOD_EPOLL 2 |
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110 | #if EV_PROTOTYPES |
332 | #if EV_PROTOTYPES |
111 | extern int ev_method; |
333 | int ev_version_major (void); |
112 | int ev_init (int flags); /* returns ev_method */ |
334 | int ev_version_minor (void); |
113 | |
335 | |
114 | /* these three calls are suitable for plugging into pthread_atfork */ |
336 | unsigned int ev_supported_backends (void); |
115 | void ev_prefork (void); |
337 | unsigned int ev_recommended_backends (void); |
116 | void ev_postfork_parent (void); |
338 | unsigned int ev_embeddable_backends (void); |
117 | void ev_postfork_child (void); |
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118 | |
339 | |
119 | extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ |
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120 | ev_tstamp ev_time (void); |
340 | ev_tstamp ev_time (void); |
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341 | |
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342 | /* Sets the allocation function to use, works like realloc. |
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343 | * It is used to allocate and free memory. |
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344 | * If it returns zero when memory needs to be allocated, the library might abort |
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345 | * or take some potentially destructive action. |
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346 | * The default is your system realloc function. |
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347 | */ |
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348 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
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349 | |
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350 | /* set the callback function to call on a |
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351 | * retryable syscall error |
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352 | * (such as failed select, poll, epoll_wait) |
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353 | */ |
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354 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
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355 | |
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356 | # if EV_MULTIPLICITY |
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357 | /* the default loop is the only one that handles signals and child watchers */ |
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358 | /* you can call this as often as you like */ |
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359 | static struct ev_loop * |
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360 | ev_default_loop (unsigned int flags) |
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361 | { |
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362 | extern struct ev_loop *ev_default_loop_ptr; |
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363 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
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364 | |
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365 | if (!ev_default_loop_ptr) |
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366 | ev_default_loop_init (flags); |
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367 | |
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368 | return ev_default_loop_ptr; |
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369 | } |
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370 | |
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371 | /* create and destroy alternative loops that don't handle signals */ |
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372 | struct ev_loop *ev_loop_new (unsigned int flags); |
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373 | void ev_loop_destroy (EV_P); |
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374 | void ev_loop_fork (EV_P); |
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375 | |
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376 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
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377 | |
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378 | # else |
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379 | |
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380 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
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381 | |
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382 | static ev_tstamp |
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383 | ev_now (void) |
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384 | { |
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385 | extern ev_tstamp ev_rt_now; |
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386 | |
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387 | return ev_rt_now; |
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388 | } |
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389 | # endif |
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390 | |
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391 | void ev_default_destroy (void); /* destroy the default loop */ |
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392 | /* this needs to be called after fork, to duplicate the default loop */ |
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393 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
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394 | /* you can call it in either the parent or the child */ |
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395 | /* you can actually call it at any time, anywhere :) */ |
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396 | void ev_default_fork (void); |
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397 | |
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398 | unsigned int ev_backend (EV_P); |
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399 | unsigned int ev_loop_count (EV_P); |
121 | #endif |
400 | #endif |
122 | |
401 | |
123 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
402 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
124 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
403 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
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404 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
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405 | #define EVUNLOOP_ONE 1 /* unloop once */ |
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406 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
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407 | |
125 | #if EV_PROTOTYPES |
408 | #if EV_PROTOTYPES |
126 | void ev_loop (int flags); |
409 | void ev_loop (EV_P_ int flags); |
127 | extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
410 | void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
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411 | |
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412 | /* |
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413 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
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414 | * keeps one reference. if you have a long-runing watcher you never unregister that |
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415 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
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416 | */ |
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417 | void ev_ref (EV_P); |
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418 | void ev_unref (EV_P); |
128 | |
419 | |
129 | /* convinience function, wait for a single event, without registering an event watcher */ |
420 | /* convinience function, wait for a single event, without registering an event watcher */ |
130 | /* if timeout is < 0, do wait indefinitely */ |
421 | /* if timeout is < 0, do wait indefinitely */ |
131 | void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
422 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
132 | #endif |
423 | #endif |
133 | |
424 | |
134 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
425 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
135 | /* either use evw_init + evXXX_set, or the evXXX_init macro, below, to first initialise a watcher */ |
426 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
136 | #define evw_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) |
427 | #define ev_init(ev,cb_) do { \ |
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428 | ((ev_watcher *)(void *)(ev))->active = \ |
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429 | ((ev_watcher *)(void *)(ev))->pending = \ |
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430 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
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431 | ev_set_cb ((ev), cb_); \ |
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432 | } while (0) |
137 | |
433 | |
138 | #define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
434 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
139 | #define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
435 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
140 | #define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
436 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
141 | #define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
437 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
142 | #define evcheck_set(ev) /* nop, yes, this is a serious in-joke */ |
438 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
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439 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
143 | #define evidle_set(ev) /* nop, yes, this is a serious in-joke */ |
440 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
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441 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
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442 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
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443 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
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444 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
144 | |
445 | |
145 | #define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0) |
446 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
146 | #define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0) |
447 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
147 | #define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0) |
448 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
148 | #define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0) |
449 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
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450 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
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451 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) |
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452 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
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453 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
149 | #define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0) |
454 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
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455 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
150 | #define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0) |
456 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
151 | |
457 | |
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458 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
152 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
459 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
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460 | |
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461 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
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462 | #define ev_cb(ev) (ev)->cb /* rw */ |
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463 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
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464 | |
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465 | #ifndef ev_set_cb |
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466 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
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467 | #endif |
153 | |
468 | |
154 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
469 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
155 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
470 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
156 | #if EV_PROTOTYPES |
471 | #if EV_PROTOTYPES |
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472 | |
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473 | /* feeds an event into a watcher as if the event actually occured */ |
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474 | /* accepts any ev_watcher type */ |
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475 | void ev_feed_event (EV_P_ void *w, int revents); |
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476 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
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477 | void ev_feed_signal_event (EV_P_ int signum); |
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478 | int ev_clear_pending (EV_P_ void *w); |
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479 | |
157 | void evio_start (struct ev_io *w); |
480 | void ev_io_start (EV_P_ ev_io *w); |
158 | void evio_stop (struct ev_io *w); |
481 | void ev_io_stop (EV_P_ ev_io *w); |
159 | |
482 | |
160 | void evtimer_start (struct ev_timer *w); |
483 | void ev_timer_start (EV_P_ ev_timer *w); |
161 | void evtimer_stop (struct ev_timer *w); |
484 | void ev_timer_stop (EV_P_ ev_timer *w); |
162 | void evtimer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
485 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
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486 | void ev_timer_again (EV_P_ ev_timer *w); |
163 | |
487 | |
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488 | #if EV_PERIODIC_ENABLE |
164 | void evperiodic_start (struct ev_periodic *w); |
489 | void ev_periodic_start (EV_P_ ev_periodic *w); |
165 | void evperiodic_stop (struct ev_periodic *w); |
490 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
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491 | void ev_periodic_again (EV_P_ ev_periodic *w); |
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492 | #endif |
166 | |
493 | |
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494 | /* only supported in the default loop */ |
167 | void evsignal_start (struct ev_signal *w); |
495 | void ev_signal_start (EV_P_ ev_signal *w); |
168 | void evsignal_stop (struct ev_signal *w); |
496 | void ev_signal_stop (EV_P_ ev_signal *w); |
169 | |
497 | |
170 | void evidle_start (struct ev_idle *w); |
498 | /* only supported in the default loop */ |
171 | void evidle_stop (struct ev_idle *w); |
499 | void ev_child_start (EV_P_ ev_child *w); |
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500 | void ev_child_stop (EV_P_ ev_child *w); |
172 | |
501 | |
173 | void evcheck_start (struct ev_check *w); |
502 | # if EV_STAT_ENABLE |
174 | void evcheck_stop (struct ev_check *w); |
503 | void ev_stat_start (EV_P_ ev_stat *w); |
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504 | void ev_stat_stop (EV_P_ ev_stat *w); |
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505 | void ev_stat_stat (EV_P_ ev_stat *w); |
175 | #endif |
506 | # endif |
176 | |
507 | |
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508 | # if EV_IDLE_ENABLE |
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509 | void ev_idle_start (EV_P_ ev_idle *w); |
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510 | void ev_idle_stop (EV_P_ ev_idle *w); |
177 | #endif |
511 | # endif |
178 | |
512 | |
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513 | void ev_prepare_start (EV_P_ ev_prepare *w); |
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514 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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515 | |
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516 | void ev_check_start (EV_P_ ev_check *w); |
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517 | void ev_check_stop (EV_P_ ev_check *w); |
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518 | |
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519 | # if EV_FORK_ENABLE |
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520 | void ev_fork_start (EV_P_ ev_fork *w); |
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521 | void ev_fork_stop (EV_P_ ev_fork *w); |
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522 | # endif |
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523 | |
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524 | # if EV_EMBED_ENABLE |
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525 | /* only supported when loop to be embedded is in fact embeddable */ |
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526 | void ev_embed_start (EV_P_ ev_embed *w); |
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527 | void ev_embed_stop (EV_P_ ev_embed *w); |
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528 | void ev_embed_sweep (EV_P_ ev_embed *w); |
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529 | # endif |
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530 | |
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531 | #endif |
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532 | |
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533 | #ifdef __cplusplus |
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534 | } |
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535 | #endif |
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536 | |
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537 | #endif |
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538 | |