1 | /* |
1 | /* |
2 | * libevent compatibility header, only core events supported |
2 | * libevent compatibility header, only core events supported |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2010 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: |
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10 | * |
9 | * |
11 | * * Redistributions of source code must retain the above copyright |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
12 | * notice, this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
13 | * |
12 | * |
14 | * * Redistributions in binary form must reproduce the above |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
15 | * copyright notice, this list of conditions and the following |
14 | * notice, this list of conditions and the following disclaimer in the |
16 | * disclaimer in the documentation and/or other materials provided |
15 | * documentation and/or other materials provided with the distribution. |
17 | * with the distribution. |
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18 | * |
16 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | * Alternatively, the contents of this file may be used under the terms of |
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29 | * the GNU General Public License ("GPL") version 2 or any later version, |
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30 | * in which case the provisions of the GPL are applicable instead of |
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31 | * the above. If you wish to allow the use of your version of this file |
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32 | * only under the terms of the GPL and not to allow others to use your |
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33 | * version of this file under the BSD license, indicate your decision |
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34 | * by deleting the provisions above and replace them with the notice |
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35 | * and other provisions required by the GPL. If you do not delete the |
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36 | * provisions above, a recipient may use your version of this file under |
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37 | * either the BSD or the GPL. |
30 | */ |
38 | */ |
31 | #ifndef _EVENT_H_ |
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32 | #define _EVENT_H_ |
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33 | |
39 | |
34 | #ifndef EV_EMBED |
40 | #ifndef EVENT_H_ |
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41 | #define EVENT_H_ |
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42 | |
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43 | #ifdef EV_H |
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44 | # include EV_H |
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45 | #else |
35 | # include "ev.h" |
46 | # include "ev.h" |
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47 | #endif |
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48 | |
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49 | #ifndef EVLOOP_NONBLOCK |
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50 | # define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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51 | #endif |
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52 | #ifndef EVLOOP_ONESHOT |
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53 | # define EVLOOP_ONESHOT EVRUN_ONCE |
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54 | #endif |
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55 | #ifndef EV_TIMEOUT |
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56 | # define EV_TIMEOUT EV_TIMER |
36 | #endif |
57 | #endif |
37 | |
58 | |
38 | #ifdef __cplusplus |
59 | #ifdef __cplusplus |
39 | extern "C" { |
60 | extern "C" { |
40 | #endif |
61 | #endif |
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62 | |
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63 | /* we need sys/time.h for struct timeval only */ |
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64 | #if !defined (WIN32) || defined (__MINGW32__) |
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65 | # include <time.h> /* mingw seems to need this, for whatever reason */ |
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66 | # include <sys/time.h> |
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67 | #endif |
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68 | |
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69 | struct event_base; |
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70 | |
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71 | #define EVLIST_TIMEOUT 0x01 |
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72 | #define EVLIST_INSERTED 0x02 |
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73 | #define EVLIST_SIGNAL 0x04 |
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74 | #define EVLIST_ACTIVE 0x08 |
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75 | #define EVLIST_INTERNAL 0x10 |
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76 | #define EVLIST_INIT 0x80 |
41 | |
77 | |
42 | struct event |
78 | struct event |
43 | { |
79 | { |
44 | /* libev watchers we map onto */ |
80 | /* libev watchers we map onto */ |
45 | union { |
81 | union { |
… | |
… | |
53 | void (*ev_callback)(int, short, void *arg); |
89 | void (*ev_callback)(int, short, void *arg); |
54 | void *ev_arg; |
90 | void *ev_arg; |
55 | int ev_fd; |
91 | int ev_fd; |
56 | int ev_pri; |
92 | int ev_pri; |
57 | int ev_res; |
93 | int ev_res; |
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94 | int ev_flags; |
58 | short ev_events; |
95 | short ev_events; |
59 | |
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60 | char initialised; /* flag to work around some idiosynchrasies in the API */ |
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61 | }; |
96 | }; |
62 | |
97 | |
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98 | #define EV_READ EV_READ |
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99 | #define EV_WRITE EV_WRITE |
63 | #define EV_PERSIST 0x10 |
100 | #define EV_PERSIST 0x10 |
64 | |
101 | |
65 | #define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd) |
102 | #define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd) |
66 | #define EVENT_FD(ev) ((int) (ev)->ev_fd) |
103 | #define EVENT_FD(ev) ((int) (ev)->ev_fd) |
67 | |
104 | |
68 | #define event_initialized(ev) ((ev)->initialised) |
105 | #define event_initialized(ev) ((ev)->ev_flags & EVLIST_INIT) |
69 | |
106 | |
70 | #define evtimer_add(ev,tv) event_add (ev, tv) |
107 | #define evtimer_add(ev,tv) event_add (ev, tv) |
71 | #define evtimer_set(ev,cb,data) event_set (ev, -1, 0, cb, data) |
108 | #define evtimer_set(ev,cb,data) event_set (ev, -1, 0, cb, data) |
72 | #define evtimer_del(ev) event_del (ev) |
109 | #define evtimer_del(ev) event_del (ev) |
73 | #define evtimer_pending(ev,tv) event_pending (ev, EV_TIMEOUT, tv) |
110 | #define evtimer_pending(ev,tv) event_pending (ev, EV_TIMEOUT, tv) |
… | |
… | |
106 | void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg); |
143 | void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg); |
107 | int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv); |
144 | int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv); |
108 | |
145 | |
109 | int event_add (struct event *ev, struct timeval *tv); |
146 | int event_add (struct event *ev, struct timeval *tv); |
110 | int event_del (struct event *ev); |
147 | int event_del (struct event *ev); |
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148 | void event_active (struct event *ev, int res, short ncalls); /* ncalls is being ignored */ |
111 | |
149 | |
112 | int event_pending (struct event *ev, short, struct timeval *tv); |
150 | int event_pending (struct event *ev, short, struct timeval *tv); |
113 | |
151 | |
114 | int event_priority_init (int npri); |
152 | int event_priority_init (int npri); |
115 | int event_priority_set (struct event *ev, int pri); |
153 | int event_priority_set (struct event *ev, int pri); |
116 | |
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117 | struct event_base; |
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118 | |
154 | |
119 | int event_base_set (struct event_base *base, struct event *ev); |
155 | int event_base_set (struct event_base *base, struct event *ev); |
120 | int event_base_loop (struct event_base *base, int); |
156 | int event_base_loop (struct event_base *base, int); |
121 | int event_base_loopexit (struct event_base *base, struct timeval *tv); |
157 | int event_base_loopexit (struct event_base *base, struct timeval *tv); |
122 | int event_base_dispatch (struct event_base *base); |
158 | int event_base_dispatch (struct event_base *base); |
123 | int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv); |
159 | int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv); |
124 | int event_base_priority_init (struct event_base *base, int fd); |
160 | int event_base_priority_init (struct event_base *base, int fd); |
125 | |
161 | |
126 | #ifndef EV_EMBED |
162 | /* next line is different in the libevent+libev version */ |
127 | # include "event_compat.h" |
163 | /*libevent-include*/ |
128 | #endif |
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129 | |
164 | |
130 | #ifdef __cplusplus |
165 | #ifdef __cplusplus |
131 | } |
166 | } |
132 | #endif |
167 | #endif |
133 | |
168 | |