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32 | |
32 | |
33 | typedef double ev_tstamp; |
33 | typedef double ev_tstamp; |
34 | |
34 | |
35 | /* eventmask, revents, events... */ |
35 | /* eventmask, revents, events... */ |
36 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
36 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
37 | #define EV_NONE 0x00 |
37 | #define EV_NONE 0x000000 |
38 | #define EV_READ 0x01 |
38 | #define EV_READ 0x000001 |
39 | #define EV_WRITE 0x02 |
39 | #define EV_WRITE 0x000002 |
40 | #define EV_TIMEOUT 0x04 |
40 | #define EV_TIMEOUT 0x000004 |
41 | #define EV_SIGNAL 0x08 |
41 | #define EV_SIGNAL 0x000008 |
42 | #define EV_IDLE 0x10 |
42 | #define EV_IDLE 0x000010 |
43 | #define EV_CHECK 0x20 |
43 | #define EV_CHECK 0x000020 |
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44 | #define EV_PREPARE 0x000040 |
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45 | #define EV_CHILD 0x000080 |
44 | #define EV_ERROR (0x3f|0x80) |
46 | #define EV_ERROR 0x800000 |
45 | |
47 | |
46 | /* can be used to add custom fields to all watchers */ |
48 | /* can be used to add custom fields to all watchers */ |
47 | #ifndef EV_COMMON |
49 | #ifndef EV_COMMON |
48 | # define EV_COMMON void *data |
50 | # define EV_COMMON void *data |
49 | #endif |
51 | #endif |
50 | #ifndef EV_PROTOTYPES |
52 | #ifndef EV_PROTOTYPES |
51 | # define EV_PROTOTYPES 1 |
53 | # define EV_PROTOTYPES 1 |
52 | #endif |
54 | #endif |
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55 | |
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56 | #define EV_VERSION_MAJOR 1 |
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57 | #define EV_VERSION_MINOR 1 |
53 | |
58 | |
54 | /* |
59 | /* |
55 | * struct member types: |
60 | * struct member types: |
56 | * private: you can look at them, but not change them, and they might not mean anything to you. |
61 | * private: you can look at them, but not change them, and they might not mean anything to you. |
57 | * ro: can be read anytime, but only changed when the watcher isn't active |
62 | * ro: can be read anytime, but only changed when the watcher isn't active |
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125 | struct ev_idle |
130 | struct ev_idle |
126 | { |
131 | { |
127 | EV_WATCHER (ev_idle); |
132 | EV_WATCHER (ev_idle); |
128 | }; |
133 | }; |
129 | |
134 | |
130 | /* invoked for each run of the mainloop, just before the next blocking vall is initiated */ |
135 | /* invoked for each run of the mainloop, just before the blocking call */ |
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136 | /* you can still change events in any way you like */ |
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137 | struct ev_prepare |
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138 | { |
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139 | EV_WATCHER (ev_prepare); |
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140 | }; |
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141 | |
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142 | /* invoked for each run of the mainloop, just after the blocking call */ |
131 | struct ev_check |
143 | struct ev_check |
132 | { |
144 | { |
133 | EV_WATCHER (ev_check); |
145 | EV_WATCHER (ev_check); |
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146 | }; |
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147 | |
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148 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
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149 | struct ev_child |
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150 | { |
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151 | EV_WATCHER_LIST (ev_child); |
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152 | |
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153 | int pid; /* ro */ |
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154 | int status; /* rw, holds the exit status, use the macros from sys/wait.h */ |
134 | }; |
155 | }; |
135 | |
156 | |
136 | #define EVMETHOD_NONE 0 |
157 | #define EVMETHOD_NONE 0 |
137 | #define EVMETHOD_SELECT 1 |
158 | #define EVMETHOD_SELECT 1 |
138 | #define EVMETHOD_EPOLL 2 |
159 | #define EVMETHOD_EPOLL 2 |
139 | #if EV_PROTOTYPES |
160 | #if EV_PROTOTYPES |
140 | extern int ev_method; |
161 | extern int ev_method; |
141 | int ev_init (int flags); /* returns ev_method */ |
162 | int ev_init (int flags); /* returns ev_method */ |
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163 | int ev_version_major (void); |
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164 | int ev_version_minor (void); |
142 | |
165 | |
143 | /* these three calls are suitable for plugging into pthread_atfork */ |
166 | /* these three calls are suitable for plugging into pthread_atfork */ |
144 | void ev_prefork (void); |
167 | void ev_prefork (void); |
145 | void ev_postfork_parent (void); |
168 | void ev_postfork_parent (void); |
146 | void ev_postfork_child (void); |
169 | void ev_postfork_child (void); |
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166 | |
189 | |
167 | #define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
190 | #define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
168 | #define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
191 | #define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
169 | #define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
192 | #define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
170 | #define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
193 | #define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
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194 | #define evidle_set(ev) /* nop, yes, this is a serious in-joke */ |
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195 | #define evprepare_set(ev) /* nop, yes, this is a serious in-joke */ |
171 | #define evcheck_set(ev) /* nop, yes, this is a serious in-joke */ |
196 | #define evcheck_set(ev) /* nop, yes, this is a serious in-joke */ |
172 | #define evidle_set(ev) /* nop, yes, this is a serious in-joke */ |
197 | #define evchild_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
173 | |
198 | |
174 | #define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0) |
199 | #define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0) |
175 | #define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0) |
200 | #define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0) |
176 | #define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0) |
201 | #define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0) |
177 | #define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0) |
202 | #define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0) |
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203 | #define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0) |
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204 | #define evprepare_init(ev,cb) do { evw_init ((ev), (cb)); evprepare_set ((ev)); } while (0) |
178 | #define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0) |
205 | #define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0) |
179 | #define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0) |
206 | #define evchild_init(ev,cb,pid) do { evw_init ((ev), (cb)); evchild_set ((ev),(pid)); } while (0) |
180 | |
207 | |
181 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
208 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
182 | |
209 | |
183 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
210 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
184 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
211 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
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197 | void evsignal_stop (struct ev_signal *w); |
224 | void evsignal_stop (struct ev_signal *w); |
198 | |
225 | |
199 | void evidle_start (struct ev_idle *w); |
226 | void evidle_start (struct ev_idle *w); |
200 | void evidle_stop (struct ev_idle *w); |
227 | void evidle_stop (struct ev_idle *w); |
201 | |
228 | |
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229 | void evprepare_start (struct ev_prepare *w); |
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230 | void evprepare_stop (struct ev_prepare *w); |
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231 | |
202 | void evcheck_start (struct ev_check *w); |
232 | void evcheck_start (struct ev_check *w); |
203 | void evcheck_stop (struct ev_check *w); |
233 | void evcheck_stop (struct ev_check *w); |
204 | #endif |
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205 | |
234 | |
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235 | void evchild_start (struct ev_child *w); |
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236 | void evchild_stop (struct ev_child *w); |
206 | #endif |
237 | #endif |
207 | |
238 | |
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239 | #endif |
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240 | |