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33 | |
33 | |
34 | ev.h |
34 | ev.h |
35 | ev.c |
35 | ev.c |
36 | ev_vars.h |
36 | ev_vars.h |
37 | ev_wrap.h |
37 | ev_wrap.h |
38 | ev_win32.c |
38 | |
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39 | ev_win32.c required on win32 platforms only |
39 | |
40 | |
40 | ev_select.c only when select backend is enabled (which is is by default) |
41 | ev_select.c only when select backend is enabled (which is is by default) |
41 | ev_poll.c only when poll backend is enabled (disabled by default) |
42 | ev_poll.c only when poll backend is enabled (disabled by default) |
42 | ev_epoll.c only when the epoll backend is enabled (disabled by default) |
43 | ev_epoll.c only when the epoll backend is enabled (disabled by default) |
43 | ev_kqueue.c only when the kqueue backend is enabled (disabled by default) |
44 | ev_kqueue.c only when the kqueue backend is enabled (disabled by default) |
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59 | You need the following additional files for this: |
60 | You need the following additional files for this: |
60 | |
61 | |
61 | event.h |
62 | event.h |
62 | event.c |
63 | event.c |
63 | |
64 | |
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65 | AUTOCONF SUPPORT |
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66 | |
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67 | Instead of using EV_STANDALONE=1 and providing your config in whatever |
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68 | way you want, you can also m4_include([libev.m4]) in your configure.ac |
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69 | and leave EV_STANDALONE off. ev.c will then include "config.h" and |
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70 | configure itself accordingly. |
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71 | |
64 | PREPROCESSOR SYMBOLS |
72 | PREPROCESSOR SYMBOLS |
65 | |
73 | |
66 | Libev can be configured via a variety of preprocessor symbols you have to define |
74 | Libev can be configured via a variety of preprocessor symbols you have to define |
67 | before including any of its files. The default is not to build for mulciplicity |
75 | before including any of its files. The default is not to build for multiplicity |
68 | and only include the select backend. |
76 | and only include the select backend. |
69 | |
77 | |
70 | EV_STANDALONE |
78 | EV_STANDALONE |
71 | |
79 | |
72 | Must always be "1", which keeps libev from including config.h or |
80 | Must always be "1", which keeps libev from including config.h or |
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124 | EV_USE_KQUEUE |
132 | EV_USE_KQUEUE |
125 | |
133 | |
126 | If defined to be "1", libev will compile in support for the BSD |
134 | If defined to be "1", libev will compile in support for the BSD |
127 | style kqueue backend. Its availability will be detected at runtime, |
135 | style kqueue backend. Its availability will be detected at runtime, |
128 | otherwise another method will be used as fallback. This is the |
136 | otherwise another method will be used as fallback. This is the |
129 | preferred backend for BSD and BSd-like systems. Darwin brokenness |
137 | preferred backend for BSD and BSD-like systems. Darwin brokenness |
130 | will be detected at runtime and routed around by disabling this |
138 | will be detected at runtime and routed around by disabling this |
131 | backend. |
139 | backend. |
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140 | |
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141 | EV_USE_DEVPOLL |
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142 | EV_USE_PORTS |
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143 | |
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144 | reserved for future expansion, works like the USE symbols above. |
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145 | |
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146 | EV_H |
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147 | |
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148 | The name of the ev.h header file used to include it. The default |
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149 | if undefined is <ev.h> in event.h and "ev.h" in ev.c. This can |
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150 | be used to virtually rename the ev.h header file in case of |
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151 | conflicts. |
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152 | |
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153 | EV_EVENT_H |
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154 | |
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155 | Similarly to EV_H, this macro cna be used to override event.c's idea |
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156 | of how the event.h header can be found. |
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157 | |
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158 | EV_PROTOTYPES |
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159 | |
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160 | If defined to be "0", then "ev.h" will not define any function |
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161 | prototypes, but still define all the structs and other |
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162 | symbols. This is occasionally useful. |
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163 | |
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164 | EV_MULTIPLICITY |
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165 | |
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166 | If undefined or defined to "1", then all event-loop-specific |
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167 | functions will have the "struct ev_loop *" as first argument, and |
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168 | you can create additional independent event loops. Otherwise there |
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169 | will be no support for multiple event loops and there is no first |
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170 | event loop pointer argument. Instead, all functions act on the |
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171 | single default loop. |
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172 | |
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173 | EV_PERIODICS |
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174 | |
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175 | If undefined or defined to be "1", then periodic timers are |
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176 | supported, otherwise not. This saves a few kb of code. |
132 | |
177 | |
133 | EV_COMMON |
178 | EV_COMMON |
134 | |
179 | |
135 | By default, all watchers have a "void *data" member. By redefining |
180 | By default, all watchers have a "void *data" member. By redefining |
136 | this macro to a something else you can include more and other types |
181 | this macro to a something else you can include more and other types |
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141 | |
186 | |
142 | #define EV_COMMON \ |
187 | #define EV_COMMON \ |
143 | SV *self; /* contains this struct */ \ |
188 | SV *self; /* contains this struct */ \ |
144 | SV *cb_sv, *fh /* note no trailing ";" */ |
189 | SV *cb_sv, *fh /* note no trailing ";" */ |
145 | |
190 | |
146 | EV_PROTOTYPES |
191 | EV_CB_DECLARE(type) |
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192 | EV_CB_INVOKE(watcher,revents) |
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193 | ev_set_cb(ev,cb) |
147 | |
194 | |
148 | If defined to be "0", then "ev.h" will not define any function |
195 | Can be used to change the callback member declaration in each |
149 | prototypes, but still define all the structs and other |
196 | watcher, and the way callbacks are invoked and set. Must expand |
150 | symbols. This is occasionally useful. |
197 | to a struct member definition and a statement, respectively. See |
151 | |
198 | the ev.v header file for their default definitions. One possible |
152 | EV_MULTIPLICITY |
199 | use for overriding these is to avoid the ev_loop pointer as first |
153 | |
200 | argument in all cases, or to use method calls instead of plain |
154 | If undefined or defined to "1", then all event-loop-specific |
201 | function calls in C++. |
155 | functions will have the "struct ev_loop *" as first argument, and |
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156 | you can create additional independent event loops. Otherwise there |
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157 | will be no support for multiple event loops and there is no first |
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158 | event loop pointer argument. Instead, all functions act on the |
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159 | single default loop. |
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160 | |
202 | |
161 | EXAMPLES |
203 | EXAMPLES |
162 | |
204 | |
163 | For a real-world example of a program the includes libev |
205 | For a real-world example of a program the includes libev |
164 | verbatim, you can have a look at the EV perl module |
206 | verbatim, you can have a look at the EV perl module |