1 | /* |
1 | /* |
2 | * libevent compatibility layer |
2 | * libevent compatibility layer |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * met: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
10 | * |
27 | * |
11 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
12 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
13 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
14 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
15 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
16 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
17 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
18 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 | */ |
38 | */ |
31 | |
39 | |
32 | #include <stddef.h> |
40 | #include <stddef.h> |
33 | #include <stdlib.h> |
41 | #include <stdlib.h> |
34 | #include <assert.h> |
42 | #include <assert.h> |
35 | |
43 | |
36 | #ifndef WIN32 |
44 | #ifdef EV_EVENT_H |
37 | # include <sys/time.h> |
45 | # include EV_EVENT_H |
38 | #endif |
46 | #else |
39 | |
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40 | #include "ev.h" |
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41 | #include "event.h" |
47 | # include "event.h" |
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48 | #endif |
42 | |
49 | |
43 | #if EV_MULTIPLICITY |
50 | #if EV_MULTIPLICITY |
44 | # define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base |
51 | # define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base |
45 | # define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base |
52 | # define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base |
46 | #else |
53 | #else |
… | |
… | |
52 | struct event_base |
59 | struct event_base |
53 | { |
60 | { |
54 | int dummy; |
61 | int dummy; |
55 | }; |
62 | }; |
56 | |
63 | |
57 | static struct event_base *x_cur; |
64 | static struct event_base *ev_x_cur; |
58 | |
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59 | static void |
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60 | tv_set (struct timeval *tv, ev_tstamp at) |
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61 | { |
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62 | tv->tv_sec = (long)at; |
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63 | tv->tv_usec = (long)((at - (ev_tstamp)tv->tv_sec) * 1e6); |
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64 | } |
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65 | |
65 | |
66 | static ev_tstamp |
66 | static ev_tstamp |
67 | tv_get (struct timeval *tv) |
67 | ev_tv_get (struct timeval *tv) |
68 | { |
68 | { |
69 | if (tv) |
69 | if (tv) |
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70 | { |
70 | return tv->tv_sec + tv->tv_usec * 1e-6; |
71 | ev_tstamp after = tv->tv_sec + tv->tv_usec * 1e-6; |
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72 | return after ? after : 1e-6; |
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73 | } |
71 | else |
74 | else |
72 | return -1.; |
75 | return -1.; |
73 | } |
76 | } |
74 | |
77 | |
75 | #define EVENT_VERSION(a,b) # a "." # b |
78 | #define EVENT_STRINGIFY(s) # s |
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79 | #define EVENT_VERSION(a,b) EVENT_STRINGIFY (a) "." EVENT_STRINGIFY (b) |
76 | |
80 | |
77 | const char *event_get_version (void) |
81 | const char *event_get_version (void) |
78 | { |
82 | { |
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83 | /* returns ABI, not API or library, version */ |
79 | return EVENT_VERSION (EV_VERSION_MAJOR, EV_VERSION_MINOR); |
84 | return EVENT_VERSION (EV_VERSION_MAJOR, EV_VERSION_MINOR); |
80 | } |
85 | } |
81 | |
86 | |
82 | const char *event_get_method (void) |
87 | const char *event_get_method (void) |
83 | { |
88 | { |
… | |
… | |
85 | } |
90 | } |
86 | |
91 | |
87 | void *event_init (void) |
92 | void *event_init (void) |
88 | { |
93 | { |
89 | #if EV_MULTIPLICITY |
94 | #if EV_MULTIPLICITY |
90 | if (x_cur) |
95 | if (ev_x_cur) |
91 | x_cur = (struct event_base *)ev_loop_new (EVMETHOD_AUTO); |
96 | ev_x_cur = (struct event_base *)ev_loop_new (EVFLAG_AUTO); |
92 | else |
97 | else |
93 | x_cur = (struct event_base *)ev_default_loop (EVMETHOD_AUTO); |
98 | ev_x_cur = (struct event_base *)ev_default_loop (EVFLAG_AUTO); |
94 | #else |
99 | #else |
95 | assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !x_cur)); |
100 | assert (("libev: multiple event bases not supported when not compiled with EV_MULTIPLICITY", !ev_x_cur)); |
96 | |
101 | |
97 | x_cur = (struct event_base *)(long)ev_default_loop (EVMETHOD_AUTO); |
102 | ev_x_cur = (struct event_base *)(long)ev_default_loop (EVFLAG_AUTO); |
98 | #endif |
103 | #endif |
99 | |
104 | |
100 | return x_cur; |
105 | return ev_x_cur; |
101 | } |
106 | } |
102 | |
107 | |
103 | void event_base_free (struct event_base *base) |
108 | void event_base_free (struct event_base *base) |
104 | { |
109 | { |
105 | dLOOPbase; |
110 | dLOOPbase; |
106 | |
111 | |
107 | #if EV_MULTIPLICITY |
112 | #if EV_MULTIPLICITY |
108 | if (ev_default_loop (EVMETHOD_AUTO) != loop) |
113 | if (ev_default_loop (EVFLAG_AUTO) != loop) |
109 | ev_loop_destroy (loop); |
114 | ev_loop_destroy (loop); |
110 | #endif |
115 | #endif |
111 | } |
116 | } |
112 | |
117 | |
113 | int event_dispatch (void) |
118 | int event_dispatch (void) |
114 | { |
119 | { |
115 | return event_base_dispatch (x_cur); |
120 | return event_base_dispatch (ev_x_cur); |
116 | } |
121 | } |
117 | |
122 | |
118 | #ifdef EV_STANDALONE |
123 | #ifdef EV_STANDALONE |
119 | void event_set_log_callback (event_log_cb cb) |
124 | void event_set_log_callback (event_log_cb cb) |
120 | { |
125 | { |
… | |
… | |
122 | } |
127 | } |
123 | #endif |
128 | #endif |
124 | |
129 | |
125 | int event_loop (int flags) |
130 | int event_loop (int flags) |
126 | { |
131 | { |
127 | return event_base_loop (x_cur, flags); |
132 | return event_base_loop (ev_x_cur, flags); |
128 | } |
133 | } |
129 | |
134 | |
130 | int event_loopexit (struct timeval *tv) |
135 | int event_loopexit (struct timeval *tv) |
131 | { |
136 | { |
132 | return event_base_loopexit (x_cur, tv); |
137 | return event_base_loopexit (ev_x_cur, tv); |
133 | } |
138 | } |
134 | |
139 | |
135 | static void |
140 | static void |
136 | x_cb (struct event *ev, int revents) |
141 | ev_x_cb (struct event *ev, int revents) |
137 | { |
142 | { |
138 | revents &= EV_READ | EV_WRITE | EV_TIMEOUT | EV_SIGNAL; |
143 | revents &= EV_READ | EV_WRITE | EV_TIMER | EV_SIGNAL; |
139 | |
144 | |
140 | ev->ev_res = revents; |
145 | ev->ev_res = revents; |
141 | ev->ev_callback (ev->ev_fd, revents, ev->ev_arg); |
146 | ev->ev_callback (ev->ev_fd, (short)revents, ev->ev_arg); |
142 | } |
147 | } |
143 | |
148 | |
144 | static void |
149 | static void |
145 | x_cb_sig (EV_P_ struct ev_signal *w, int revents) |
150 | ev_x_cb_sig (EV_P_ struct ev_signal *w, int revents) |
146 | { |
151 | { |
147 | x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.sig)), revents); |
152 | struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.sig)); |
148 | } |
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149 | |
153 | |
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154 | if (revents & EV_ERROR) |
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155 | event_del (ev); |
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156 | |
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157 | ev_x_cb (ev, revents); |
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158 | } |
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159 | |
150 | static void |
160 | static void |
151 | x_cb_io (EV_P_ struct ev_io *w, int revents) |
161 | ev_x_cb_io (EV_P_ struct ev_io *w, int revents) |
152 | { |
162 | { |
153 | struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io)); |
163 | struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io)); |
154 | |
164 | |
155 | if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w)) |
165 | if ((revents & EV_ERROR) || !(ev->ev_events & EV_PERSIST)) |
156 | ev_io_stop (EV_A_ w); |
166 | event_del (ev); |
157 | |
167 | |
158 | x_cb (ev, revents); |
168 | ev_x_cb (ev, revents); |
159 | } |
169 | } |
160 | |
170 | |
161 | static void |
171 | static void |
162 | x_cb_to (EV_P_ struct ev_timer *w, int revents) |
172 | ev_x_cb_to (EV_P_ struct ev_timer *w, int revents) |
163 | { |
173 | { |
164 | struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, to)); |
174 | struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, to)); |
165 | |
175 | |
166 | event_del (ev); |
176 | event_del (ev); |
167 | |
177 | |
168 | x_cb (ev, revents); |
178 | ev_x_cb (ev, revents); |
169 | } |
179 | } |
170 | |
180 | |
171 | void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg) |
181 | void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg) |
172 | { |
182 | { |
173 | if (events & EV_SIGNAL) |
183 | if (events & EV_SIGNAL) |
174 | ev_watcher_init (&ev->iosig.sig, x_cb_sig); |
184 | ev_init (&ev->iosig.sig, ev_x_cb_sig); |
175 | else |
185 | else |
176 | ev_watcher_init (&ev->iosig.io, x_cb_io); |
186 | ev_init (&ev->iosig.io, ev_x_cb_io); |
177 | |
187 | |
178 | ev_watcher_init (&ev->to, x_cb_to); |
188 | ev_init (&ev->to, ev_x_cb_to); |
179 | |
189 | |
180 | ev->ev_base = x_cur; /* not threadsafe, but its like libevent works */ |
190 | ev->ev_base = ev_x_cur; /* not threadsafe, but it's how libevent works */ |
181 | ev->ev_fd = fd; |
191 | ev->ev_fd = fd; |
182 | ev->ev_events = events; |
192 | ev->ev_events = events; |
183 | ev->ev_pri = 0; |
193 | ev->ev_pri = 0; |
184 | ev->ev_callback = cb; |
194 | ev->ev_callback = cb; |
185 | ev->ev_arg = arg; |
195 | ev->ev_arg = arg; |
186 | ev->ev_res = 0; |
196 | ev->ev_res = 0; |
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197 | ev->ev_flags = EVLIST_INIT; |
187 | } |
198 | } |
188 | |
199 | |
189 | int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) |
200 | int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) |
190 | { |
201 | { |
191 | return event_base_once (x_cur, fd, events, cb, arg, tv); |
202 | return event_base_once (ev_x_cur, fd, events, cb, arg, tv); |
192 | } |
203 | } |
193 | |
204 | |
194 | int event_add (struct event *ev, struct timeval *tv) |
205 | int event_add (struct event *ev, struct timeval *tv) |
195 | { |
206 | { |
196 | dLOOPev; |
207 | dLOOPev; |
197 | |
208 | |
198 | /* disable all watchers */ |
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199 | event_del (ev); |
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200 | |
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201 | if (ev->ev_events & EV_SIGNAL) |
209 | if (ev->ev_events & EV_SIGNAL) |
202 | { |
210 | { |
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211 | if (!ev_is_active (&ev->iosig.sig)) |
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212 | { |
203 | ev_signal_set (&ev->iosig.sig, ev->ev_fd); |
213 | ev_signal_set (&ev->iosig.sig, ev->ev_fd); |
204 | ev_signal_start (EV_A_ &ev->iosig.sig); |
214 | ev_signal_start (EV_A_ &ev->iosig.sig); |
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215 | |
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216 | ev->ev_flags |= EVLIST_SIGNAL; |
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217 | } |
205 | } |
218 | } |
206 | else if (ev->ev_events & (EV_READ | EV_WRITE)) |
219 | else if (ev->ev_events & (EV_READ | EV_WRITE)) |
207 | { |
220 | { |
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221 | if (!ev_is_active (&ev->iosig.io)) |
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222 | { |
208 | ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE)); |
223 | ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE)); |
209 | ev_io_start (EV_A_ &ev->iosig.io); |
224 | ev_io_start (EV_A_ &ev->iosig.io); |
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225 | |
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226 | ev->ev_flags |= EVLIST_INSERTED; |
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227 | } |
210 | } |
228 | } |
211 | |
229 | |
212 | if (tv) |
230 | if (tv) |
213 | { |
231 | { |
214 | ev_timer_set (&ev->to, tv_get (tv), 0.); |
232 | ev->to.repeat = ev_tv_get (tv); |
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233 | ev_timer_again (EV_A_ &ev->to); |
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234 | ev->ev_flags |= EVLIST_TIMEOUT; |
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235 | } |
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236 | else |
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237 | { |
215 | ev_timer_start (EV_A_ &ev->to); |
238 | ev_timer_stop (EV_A_ &ev->to); |
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239 | ev->ev_flags &= ~EVLIST_TIMEOUT; |
216 | } |
240 | } |
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241 | |
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242 | ev->ev_flags |= EVLIST_ACTIVE; |
217 | |
243 | |
218 | return 0; |
244 | return 0; |
219 | } |
245 | } |
220 | |
246 | |
221 | int event_del (struct event *ev) |
247 | int event_del (struct event *ev) |
222 | { |
248 | { |
223 | dLOOPev; |
249 | dLOOPev; |
224 | |
250 | |
225 | if (ev->ev_events & EV_SIGNAL) |
251 | if (ev->ev_events & EV_SIGNAL) |
226 | { |
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227 | /* sig */ |
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228 | if (ev_is_active (&ev->iosig.sig)) |
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229 | ev_signal_stop (EV_A_ &ev->iosig.sig); |
252 | ev_signal_stop (EV_A_ &ev->iosig.sig); |
230 | } |
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231 | else if (ev->ev_events & (EV_READ | EV_WRITE)) |
253 | else if (ev->ev_events & (EV_READ | EV_WRITE)) |
232 | { |
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233 | /* io */ |
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234 | if (ev_is_active (&ev->iosig.io)) |
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235 | ev_io_stop (EV_A_ &ev->iosig.io); |
254 | ev_io_stop (EV_A_ &ev->iosig.io); |
236 | } |
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237 | |
255 | |
238 | if (ev_is_active (&ev->to)) |
256 | if (ev_is_active (&ev->to)) |
239 | ev_timer_stop (EV_A_ &ev->to); |
257 | ev_timer_stop (EV_A_ &ev->to); |
240 | |
258 | |
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259 | ev->ev_flags = EVLIST_INIT; |
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260 | |
241 | return 0; |
261 | return 0; |
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262 | } |
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263 | |
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264 | void event_active (struct event *ev, int res, short ncalls) |
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265 | { |
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266 | dLOOPev; |
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267 | |
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268 | if (res & EV_TIMEOUT) |
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269 | ev_feed_event (EV_A_ &ev->to, res & EV_TIMEOUT); |
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270 | |
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271 | if (res & EV_SIGNAL) |
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272 | ev_feed_event (EV_A_ &ev->iosig.sig, res & EV_SIGNAL); |
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273 | |
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274 | if (res & (EV_READ | EV_WRITE)) |
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275 | ev_feed_event (EV_A_ &ev->iosig.io, res & (EV_READ | EV_WRITE)); |
242 | } |
276 | } |
243 | |
277 | |
244 | int event_pending (struct event *ev, short events, struct timeval *tv) |
278 | int event_pending (struct event *ev, short events, struct timeval *tv) |
245 | { |
279 | { |
246 | short revents = 0; |
280 | short revents = 0; |
247 | dLOOPev; |
281 | dLOOPev; |
248 | |
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249 | |
282 | |
250 | if (ev->ev_events & EV_SIGNAL) |
283 | if (ev->ev_events & EV_SIGNAL) |
251 | { |
284 | { |
252 | /* sig */ |
285 | /* sig */ |
253 | if (ev_is_active (&ev->iosig.sig) || ev_is_pending (&ev->iosig.sig)) |
286 | if (ev_is_active (&ev->iosig.sig) || ev_is_pending (&ev->iosig.sig)) |
… | |
… | |
263 | if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to)) |
296 | if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to)) |
264 | { |
297 | { |
265 | revents |= EV_TIMEOUT; |
298 | revents |= EV_TIMEOUT; |
266 | |
299 | |
267 | if (tv) |
300 | if (tv) |
268 | tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */ |
301 | EV_TV_SET (tv, ev_now (EV_A)); /* not sure if this is right :) */ |
269 | } |
302 | } |
270 | |
303 | |
271 | return events & revents; |
304 | return events & revents; |
272 | } |
305 | } |
273 | |
306 | |
274 | int event_priority_init (int npri) |
307 | int event_priority_init (int npri) |
275 | { |
308 | { |
276 | return event_base_priority_init (x_cur, npri); |
309 | return event_base_priority_init (ev_x_cur, npri); |
277 | } |
310 | } |
278 | |
311 | |
279 | int event_priority_set (struct event *ev, int pri) |
312 | int event_priority_set (struct event *ev, int pri) |
280 | { |
313 | { |
281 | ev->ev_pri = pri; |
314 | ev->ev_pri = pri; |
… | |
… | |
292 | |
325 | |
293 | int event_base_loop (struct event_base *base, int flags) |
326 | int event_base_loop (struct event_base *base, int flags) |
294 | { |
327 | { |
295 | dLOOPbase; |
328 | dLOOPbase; |
296 | |
329 | |
297 | ev_loop (EV_A_ flags); |
330 | ev_run (EV_A_ flags); |
298 | |
331 | |
299 | return 0; |
332 | return 0; |
300 | } |
333 | } |
301 | |
334 | |
302 | int event_base_dispatch (struct event_base *base) |
335 | int event_base_dispatch (struct event_base *base) |
303 | { |
336 | { |
304 | return event_base_loop (base, 0); |
337 | return event_base_loop (base, 0); |
305 | } |
338 | } |
306 | |
339 | |
307 | static void |
340 | static void |
308 | x_loopexit_cb (int revents, void *base) |
341 | ev_x_loopexit_cb (int revents, void *base) |
309 | { |
342 | { |
310 | dLOOPbase; |
343 | dLOOPbase; |
311 | |
344 | |
312 | ev_unloop (EV_A_ EVUNLOOP_ONCE); |
345 | ev_break (EV_A_ EVBREAK_ONE); |
313 | } |
346 | } |
314 | |
347 | |
315 | int event_base_loopexit (struct event_base *base, struct timeval *tv) |
348 | int event_base_loopexit (struct event_base *base, struct timeval *tv) |
316 | { |
349 | { |
317 | ev_tstamp after = tv_get (tv); |
350 | ev_tstamp after = ev_tv_get (tv); |
318 | dLOOPbase; |
351 | dLOOPbase; |
319 | |
352 | |
320 | ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base); |
353 | ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., ev_x_loopexit_cb, (void *)base); |
321 | |
354 | |
322 | return -1; |
355 | return 0; |
323 | } |
356 | } |
324 | |
357 | |
325 | struct x_once |
358 | struct ev_x_once |
326 | { |
359 | { |
327 | int fd; |
360 | int fd; |
328 | void (*cb)(int, short, void *); |
361 | void (*cb)(int, short, void *); |
329 | void *arg; |
362 | void *arg; |
330 | }; |
363 | }; |
331 | |
364 | |
332 | static void |
365 | static void |
333 | x_once_cb (int revents, void *arg) |
366 | ev_x_once_cb (int revents, void *arg) |
334 | { |
367 | { |
335 | struct x_once *once = arg; |
368 | struct ev_x_once *once = (struct ev_x_once *)arg; |
336 | |
369 | |
337 | once->cb (once->fd, revents, once->arg); |
370 | once->cb (once->fd, (short)revents, once->arg); |
338 | free (once); |
371 | free (once); |
339 | } |
372 | } |
340 | |
373 | |
341 | int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) |
374 | int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) |
342 | { |
375 | { |
343 | struct x_once *once = malloc (sizeof (struct x_once)); |
376 | struct ev_x_once *once = (struct ev_x_once *)malloc (sizeof (struct ev_x_once)); |
344 | dLOOPbase; |
377 | dLOOPbase; |
345 | |
378 | |
346 | if (!once) |
379 | if (!once) |
347 | return -1; |
380 | return -1; |
348 | |
381 | |
349 | once->fd = fd; |
382 | once->fd = fd; |
350 | once->cb = cb; |
383 | once->cb = cb; |
351 | once->arg = arg; |
384 | once->arg = arg; |
352 | |
385 | |
353 | ev_once (EV_A_ fd, events & (EV_READ | EV_WRITE), tv_get (tv), x_once_cb, (void *)once); |
386 | ev_once (EV_A_ fd, events & (EV_READ | EV_WRITE), ev_tv_get (tv), ev_x_once_cb, (void *)once); |
354 | |
387 | |
355 | return 0; |
388 | return 0; |
356 | } |
389 | } |
357 | |
390 | |
358 | int event_base_priority_init (struct event_base *base, int npri) |
391 | int event_base_priority_init (struct event_base *base, int npri) |