… | |
… | |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
28 | */ |
29 | |
29 | |
30 | #ifndef EV_H |
30 | #ifndef EV_H__ |
31 | #define EV_H |
31 | #define EV_H__ |
32 | |
32 | |
33 | #ifdef __cplusplus |
33 | #ifdef __cplusplus |
34 | extern "C" { |
34 | extern "C" { |
35 | #endif |
35 | #endif |
36 | |
36 | |
… | |
… | |
42 | #endif |
42 | #endif |
43 | #ifndef EV_MAXPRI |
43 | #ifndef EV_MAXPRI |
44 | # define EV_MAXPRI +2 |
44 | # define EV_MAXPRI +2 |
45 | #endif |
45 | #endif |
46 | |
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_PERIODICS |
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52 | # define EV_PERIODICS 1 |
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53 | #endif |
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54 | |
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55 | /* support multiple event loops? */ |
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56 | #if EV_MULTIPLICITY |
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57 | struct ev_loop; |
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58 | # define EV_P struct ev_loop *loop |
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59 | # define EV_P_ EV_P, |
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60 | # define EV_A loop |
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61 | # define EV_A_ EV_A, |
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62 | # define EV_DEFAULT_A ev_default_loop (0) |
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63 | # define EV_DEFAULT_A_ EV_DEFAULT_A, |
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64 | #else |
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65 | # define EV_P void |
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66 | # define EV_P_ |
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67 | # define EV_A |
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68 | # define EV_A_ |
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69 | # define EV_DEFAULT_A |
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70 | # define EV_DEFAULT_A_ |
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71 | #endif |
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72 | |
47 | /* eventmask, revents, events... */ |
73 | /* eventmask, revents, events... */ |
48 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
74 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
49 | #define EV_NONE 0x00 |
75 | #define EV_NONE 0x00 |
50 | #define EV_READ 0x01 |
76 | #define EV_READ 0x01 /* io only */ |
51 | #define EV_WRITE 0x02 |
77 | #define EV_WRITE 0x02 /* io only */ |
52 | #define EV_TIMEOUT 0x000100 |
78 | #define EV_TIMEOUT 0x000100 /* timer only */ |
53 | #define EV_PERIODIC 0x000200 |
79 | #define EV_PERIODIC 0x000200 /* periodic timer only */ |
54 | #define EV_SIGNAL 0x000400 |
80 | #define EV_SIGNAL 0x000400 /* signal only */ |
55 | #define EV_IDLE 0x000800 |
81 | #define EV_IDLE 0x000800 /* idle only */ |
56 | #define EV_CHECK 0x001000 |
82 | #define EV_CHECK 0x001000 /* check only */ |
57 | #define EV_PREPARE 0x002000 |
83 | #define EV_PREPARE 0x002000 /* prepare only */ |
58 | #define EV_CHILD 0x004000 |
84 | #define EV_CHILD 0x004000 /* child/pid only */ |
59 | #define EV_ERROR 0x800000 /* sent when an error occurs */ |
85 | #define EV_ERROR 0x800000 /* sent when an error occurs */ |
60 | |
86 | |
61 | /* can be used to add custom fields to all watchers */ |
87 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
62 | #ifndef EV_COMMON |
88 | #ifndef EV_COMMON |
63 | # define EV_COMMON void *data |
89 | # define EV_COMMON void *data; |
64 | #endif |
90 | #endif |
65 | #ifndef EV_PROTOTYPES |
91 | #ifndef EV_PROTOTYPES |
66 | # define EV_PROTOTYPES 1 |
92 | # define EV_PROTOTYPES 1 |
67 | #endif |
93 | #endif |
68 | |
94 | |
69 | #define EV_VERSION_MAJOR 1 |
95 | #define EV_VERSION_MAJOR 1 |
70 | #define EV_VERSION_MINOR 1 |
96 | #define EV_VERSION_MINOR 1 |
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97 | |
|
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98 | #ifndef EV_CB_DECLARE |
|
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99 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
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100 | #endif |
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101 | #ifndef EV_CB_INVOKE |
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102 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
|
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103 | #endif |
71 | |
104 | |
72 | /* |
105 | /* |
73 | * struct member types: |
106 | * struct member types: |
74 | * private: you can look at them, but not change them, and they might not mean anything to you. |
107 | * private: you can look at them, but not change them, and they might not mean anything to you. |
75 | * ro: can be read anytime, but only changed when the watcher isn't active |
108 | * ro: can be read anytime, but only changed when the watcher isn't active |
… | |
… | |
78 | |
111 | |
79 | /* shared by all watchers */ |
112 | /* shared by all watchers */ |
80 | #define EV_WATCHER(type) \ |
113 | #define EV_WATCHER(type) \ |
81 | int active; /* private */ \ |
114 | int active; /* private */ \ |
82 | int pending; /* private */ \ |
115 | int pending; /* private */ \ |
83 | int priority; /* ro */ \ |
116 | int priority; /* private */ \ |
84 | EV_COMMON; /* rw */ \ |
117 | EV_COMMON /* rw */ \ |
85 | void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
118 | EV_CB_DECLARE (type) /* private */ |
86 | |
119 | |
87 | #define EV_WATCHER_LIST(type) \ |
120 | #define EV_WATCHER_LIST(type) \ |
88 | EV_WATCHER (type); \ |
121 | EV_WATCHER (type) \ |
89 | struct type *next /* private */ |
122 | struct ev_watcher_list *next; /* private */ |
90 | |
123 | |
91 | #define EV_WATCHER_TIME(type) \ |
124 | #define EV_WATCHER_TIME(type) \ |
92 | EV_WATCHER (type); \ |
125 | EV_WATCHER (type) \ |
93 | ev_tstamp at /* private */ |
126 | ev_tstamp at; /* private */ |
94 | |
127 | |
95 | /* base class, nothing to see here unless you subclass */ |
128 | /* base class, nothing to see here unless you subclass */ |
96 | struct ev_watcher { |
129 | struct ev_watcher |
|
|
130 | { |
97 | EV_WATCHER (ev_watcher); |
131 | EV_WATCHER (ev_watcher) |
98 | }; |
132 | }; |
99 | |
133 | |
100 | /* base class, nothing to see here unless you subclass */ |
134 | /* base class, nothing to see here unless you subclass */ |
101 | struct ev_watcher_list { |
135 | struct ev_watcher_list |
|
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136 | { |
102 | EV_WATCHER_LIST (ev_watcher_list); |
137 | EV_WATCHER_LIST (ev_watcher_list) |
103 | }; |
138 | }; |
104 | |
139 | |
105 | /* base class, nothing to see here unless you subclass */ |
140 | /* base class, nothing to see here unless you subclass */ |
106 | struct ev_watcher_time { |
141 | struct ev_watcher_time |
|
|
142 | { |
107 | EV_WATCHER_TIME (ev_watcher_time); |
143 | EV_WATCHER_TIME (ev_watcher_time) |
108 | }; |
144 | }; |
109 | |
145 | |
110 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
146 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
111 | /* revent EV_TIMEOUT */ |
147 | /* revent EV_TIMEOUT */ |
112 | struct ev_timer |
148 | struct ev_timer |
113 | { |
149 | { |
114 | EV_WATCHER_TIME (ev_timer); |
150 | EV_WATCHER_TIME (ev_timer) |
115 | |
151 | |
116 | ev_tstamp repeat; /* rw */ |
152 | ev_tstamp repeat; /* rw */ |
117 | }; |
153 | }; |
118 | |
154 | |
119 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
155 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
120 | /* revent EV_PERIODIC */ |
156 | /* revent EV_PERIODIC */ |
121 | struct ev_periodic |
157 | struct ev_periodic |
122 | { |
158 | { |
123 | EV_WATCHER_TIME (ev_periodic); |
159 | EV_WATCHER_TIME (ev_periodic) |
124 | |
160 | |
125 | ev_tstamp interval; /* rw */ |
161 | ev_tstamp interval; /* rw */ |
|
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162 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
126 | }; |
163 | }; |
127 | |
164 | |
128 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
165 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
129 | /* revent EV_READ, EV_WRITE */ |
166 | /* revent EV_READ, EV_WRITE */ |
130 | struct ev_io |
167 | struct ev_io |
131 | { |
168 | { |
132 | EV_WATCHER_LIST (ev_io); |
169 | EV_WATCHER_LIST (ev_io) |
133 | |
170 | |
134 | int fd; /* ro */ |
171 | int fd; /* ro */ |
135 | int events; /* ro */ |
172 | int events; /* ro */ |
136 | }; |
173 | }; |
137 | |
174 | |
138 | /* invoked when the given signal has been received */ |
175 | /* invoked when the given signal has been received */ |
139 | /* revent EV_SIGNAL */ |
176 | /* revent EV_SIGNAL */ |
140 | struct ev_signal |
177 | struct ev_signal |
141 | { |
178 | { |
142 | EV_WATCHER_LIST (ev_signal); |
179 | EV_WATCHER_LIST (ev_signal) |
143 | |
180 | |
144 | int signum; /* ro */ |
181 | int signum; /* ro */ |
145 | }; |
182 | }; |
146 | |
183 | |
147 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
184 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
148 | /* revent EV_IDLE */ |
185 | /* revent EV_IDLE */ |
149 | struct ev_idle |
186 | struct ev_idle |
150 | { |
187 | { |
151 | EV_WATCHER (ev_idle); |
188 | EV_WATCHER (ev_idle) |
152 | }; |
189 | }; |
153 | |
190 | |
154 | /* invoked for each run of the mainloop, just before the blocking call */ |
191 | /* invoked for each run of the mainloop, just before the blocking call */ |
155 | /* you can still change events in any way you like */ |
192 | /* you can still change events in any way you like */ |
156 | /* revent EV_PREPARE */ |
193 | /* revent EV_PREPARE */ |
157 | struct ev_prepare |
194 | struct ev_prepare |
158 | { |
195 | { |
159 | EV_WATCHER (ev_prepare); |
196 | EV_WATCHER (ev_prepare) |
160 | }; |
197 | }; |
161 | |
198 | |
162 | /* invoked for each run of the mainloop, just after the blocking call */ |
199 | /* invoked for each run of the mainloop, just after the blocking call */ |
163 | /* revent EV_CHECK */ |
200 | /* revent EV_CHECK */ |
164 | struct ev_check |
201 | struct ev_check |
165 | { |
202 | { |
166 | EV_WATCHER (ev_check); |
203 | EV_WATCHER (ev_check) |
167 | }; |
204 | }; |
168 | |
205 | |
169 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
206 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
170 | /* revent EV_CHILD */ |
207 | /* revent EV_CHILD */ |
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208 | /* does not support priorities */ |
171 | struct ev_child |
209 | struct ev_child |
172 | { |
210 | { |
173 | EV_WATCHER_LIST (ev_child); |
211 | EV_WATCHER_LIST (ev_child) |
174 | |
212 | |
175 | int pid; /* ro */ |
213 | int pid; /* ro */ |
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214 | int rpid; /* rw, holds the received pid */ |
176 | int status; /* rw, holds the exit status, use the macros from sys/wait.h */ |
215 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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216 | }; |
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217 | |
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218 | /* the presence of this union forces similar struct layout */ |
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219 | union ev_any_watcher |
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220 | { |
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221 | struct ev_watcher w; |
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222 | struct ev_watcher_list wl; |
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223 | |
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224 | struct ev_io io; |
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225 | struct ev_timer timer; |
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226 | struct ev_periodic periodic; |
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227 | struct ev_idle idle; |
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228 | struct ev_prepare prepare; |
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229 | struct ev_check check; |
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230 | struct ev_signal signal; |
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231 | struct ev_child child; |
177 | }; |
232 | }; |
178 | |
233 | |
179 | #define EVMETHOD_AUTO 0 /* consults environment */ |
234 | #define EVMETHOD_AUTO 0 /* consults environment */ |
180 | #define EVMETHOD_SELECT 1 |
235 | #define EVMETHOD_SELECT 1 |
181 | #define EVMETHOD_POLL 2 |
236 | #define EVMETHOD_POLL 2 |
182 | #define EVMETHOD_EPOLL 4 |
237 | #define EVMETHOD_EPOLL 4 |
183 | #define EVMETHOD_KQUEUE 8 |
238 | #define EVMETHOD_KQUEUE 8 |
184 | #define EVMETHOD_DEVPOLL 16 |
239 | #define EVMETHOD_DEVPOLL 16 /* NYI */ |
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240 | #define EVMETHOD_PORT 32 /* NYI */ |
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241 | #define EVMETHOD_WIN32 64 /* NYI */ |
185 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
242 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
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243 | |
186 | #if EV_PROTOTYPES |
244 | #if EV_PROTOTYPES |
187 | extern int ev_method; |
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188 | int ev_init (int methods); /* returns ev_method */ |
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189 | int ev_version_major (void); |
245 | int ev_version_major (void); |
190 | int ev_version_minor (void); |
246 | int ev_version_minor (void); |
191 | |
247 | |
192 | /* these three calls are suitable for plugging into pthread_atfork */ |
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193 | void ev_fork_prepare (void); |
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194 | void ev_fork_parent (void); |
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195 | void ev_fork_child (void); |
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196 | |
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197 | extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ |
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198 | ev_tstamp ev_time (void); |
248 | ev_tstamp ev_time (void); |
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249 | |
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250 | /* Sets the allocation function to use, works like realloc. |
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251 | * It is used to allocate and free memory. |
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252 | * If it returns zero when memory needs to be allocated, the library might abort |
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253 | * or take some potentially destructive action. |
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254 | * The default is your system realloc function. |
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255 | */ |
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256 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
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257 | |
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258 | /* set the callback function to call on a |
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259 | * retryable syscall error |
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260 | * (such as failed select, poll, epoll_wait) |
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261 | */ |
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262 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
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263 | |
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264 | # if EV_MULTIPLICITY |
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265 | /* the default loop is the only one that handles signals and child watchers */ |
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266 | /* you can call this as often as you like */ |
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267 | struct ev_loop *ev_default_loop (int methods); /* returns default loop */ |
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268 | |
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269 | /* create and destroy alternative loops that don't handle signals */ |
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270 | struct ev_loop *ev_loop_new (int methods); |
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271 | void ev_loop_destroy (EV_P); |
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272 | void ev_loop_fork (EV_P); |
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273 | |
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274 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
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275 | |
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276 | # else |
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277 | |
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278 | int ev_default_loop (int methods); /* returns true when successful */ |
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279 | |
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280 | static ev_tstamp |
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281 | ev_now (void) |
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282 | { |
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283 | extern ev_tstamp ev_rt_now; |
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284 | |
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285 | return ev_rt_now; |
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286 | } |
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287 | # endif |
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288 | |
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289 | void ev_default_destroy (void); /* destroy the default loop */ |
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290 | /* this needs to be called after fork, to duplicate the default loop */ |
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291 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
|
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292 | /* you can call it in either the parent or the child */ |
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293 | /* you can actually call it at any time, anywhere :) */ |
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294 | void ev_default_fork (void); |
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295 | |
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296 | int ev_method (EV_P); |
199 | #endif |
297 | #endif |
200 | |
298 | |
201 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
299 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
202 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
300 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
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301 | #define EVUNLOOP_ONCE 1 /* unloop once */ |
|
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302 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
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303 | |
203 | #if EV_PROTOTYPES |
304 | #if EV_PROTOTYPES |
204 | void ev_loop (int flags); |
305 | void ev_loop (EV_P_ int flags); |
205 | extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
306 | 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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307 | |
|
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308 | /* |
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309 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
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310 | * keeps one reference. if you have a long-runing watcher you never unregister that |
|
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311 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
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312 | */ |
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313 | void ev_ref (EV_P); |
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314 | void ev_unref (EV_P); |
206 | |
315 | |
207 | /* convinience function, wait for a single event, without registering an event watcher */ |
316 | /* convinience function, wait for a single event, without registering an event watcher */ |
208 | /* if timeout is < 0, do wait indefinitely */ |
317 | /* if timeout is < 0, do wait indefinitely */ |
209 | void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
318 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
210 | #endif |
319 | #endif |
211 | |
320 | |
212 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
321 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
213 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
322 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
214 | #define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) |
323 | #define ev_init(ev,cb_) do { \ |
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324 | ((struct ev_watcher *)(void *)(ev))->active = \ |
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325 | ((struct ev_watcher *)(void *)(ev))->pending = \ |
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326 | ((struct ev_watcher *)(void *)(ev))->priority = 0; \ |
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327 | ev_set_cb ((ev), cb_); \ |
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328 | } while (0) |
215 | |
329 | |
216 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
330 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
217 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
331 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
218 | #define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
332 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
219 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
333 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
220 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
334 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
221 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
335 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
222 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
336 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
223 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
337 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
224 | |
338 | |
225 | #define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
339 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
226 | #define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
340 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
227 | #define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) |
341 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
228 | #define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
342 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
229 | #define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
343 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
230 | #define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
344 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
231 | #define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
345 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
232 | #define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
346 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
233 | |
347 | |
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348 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
234 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
349 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
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350 | |
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351 | #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ |
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352 | #define ev_cb(ev) (ev)->cb /* rw */ |
235 | #define ev_set_priority(ev,pri) (ev)->priority = pri |
353 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
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354 | |
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355 | #ifndef ev_set_cb |
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356 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
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357 | #endif |
236 | |
358 | |
237 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
359 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
238 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
360 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
239 | #if EV_PROTOTYPES |
361 | #if EV_PROTOTYPES |
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362 | |
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363 | /* feeds an event into a watcher as if the event actually occured */ |
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364 | /* accepts any ev_watcher type */ |
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365 | void ev_feed_event (EV_P_ void *w, int revents); |
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366 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
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367 | void ev_feed_signal_event (EV_P_ int signum); |
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368 | |
240 | void ev_io_start (struct ev_io *w); |
369 | void ev_io_start (EV_P_ struct ev_io *w); |
241 | void ev_io_stop (struct ev_io *w); |
370 | void ev_io_stop (EV_P_ struct ev_io *w); |
242 | |
371 | |
243 | void ev_timer_start (struct ev_timer *w); |
372 | void ev_timer_start (EV_P_ struct ev_timer *w); |
244 | void ev_timer_stop (struct ev_timer *w); |
373 | void ev_timer_stop (EV_P_ struct ev_timer *w); |
245 | void ev_timer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
374 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
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375 | void ev_timer_again (EV_P_ struct ev_timer *w); |
246 | |
376 | |
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377 | #if EV_PERIODICS |
247 | void ev_periodic_start (struct ev_periodic *w); |
378 | void ev_periodic_start (EV_P_ struct ev_periodic *w); |
248 | void ev_periodic_stop (struct ev_periodic *w); |
379 | void ev_periodic_stop (EV_P_ struct ev_periodic *w); |
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380 | void ev_periodic_again (EV_P_ struct ev_periodic *w); |
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381 | #endif |
249 | |
382 | |
250 | void ev_signal_start (struct ev_signal *w); |
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251 | void ev_signal_stop (struct ev_signal *w); |
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252 | |
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253 | void ev_idle_start (struct ev_idle *w); |
383 | void ev_idle_start (EV_P_ struct ev_idle *w); |
254 | void ev_idle_stop (struct ev_idle *w); |
384 | void ev_idle_stop (EV_P_ struct ev_idle *w); |
255 | |
385 | |
256 | void ev_prepare_start (struct ev_prepare *w); |
386 | void ev_prepare_start (EV_P_ struct ev_prepare *w); |
257 | void ev_prepare_stop (struct ev_prepare *w); |
387 | void ev_prepare_stop (EV_P_ struct ev_prepare *w); |
258 | |
388 | |
259 | void ev_check_start (struct ev_check *w); |
389 | void ev_check_start (EV_P_ struct ev_check *w); |
260 | void ev_check_stop (struct ev_check *w); |
390 | void ev_check_stop (EV_P_ struct ev_check *w); |
261 | |
391 | |
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392 | /* only supported in the default loop */ |
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393 | void ev_signal_start (EV_P_ struct ev_signal *w); |
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394 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
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395 | |
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396 | /* only supported in the default loop */ |
262 | void ev_child_start (struct ev_child *w); |
397 | void ev_child_start (EV_P_ struct ev_child *w); |
263 | void ev_child_stop (struct ev_child *w); |
398 | void ev_child_stop (EV_P_ struct ev_child *w); |
264 | #endif |
399 | #endif |
265 | |
400 | |
266 | #ifdef __cplusplus |
401 | #ifdef __cplusplus |
267 | } |
402 | } |
268 | #endif |
403 | #endif |