1 | /* |
1 | /* |
2 | * libevent compatibility header, only core events supported |
2 | * libevent compatibility header, only core events supported |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2010,2012 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 modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
11 | * this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
12 | * |
12 | * |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifndef EVENT_H__ |
40 | #ifndef EVENT_H_ |
41 | #define EVENT_H__ |
41 | #define EVENT_H_ |
42 | |
42 | |
43 | #ifdef EV_H |
43 | #ifdef EV_H |
44 | # include EV_H |
44 | # include EV_H |
45 | #else |
45 | #else |
46 | # 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 |
47 | #endif |
57 | #endif |
48 | |
58 | |
49 | #ifdef __cplusplus |
59 | #ifdef __cplusplus |
50 | extern "C" { |
60 | extern "C" { |
51 | #endif |
61 | #endif |
… | |
… | |
63 | #define EVLIST_SIGNAL 0x04 |
73 | #define EVLIST_SIGNAL 0x04 |
64 | #define EVLIST_ACTIVE 0x08 |
74 | #define EVLIST_ACTIVE 0x08 |
65 | #define EVLIST_INTERNAL 0x10 |
75 | #define EVLIST_INTERNAL 0x10 |
66 | #define EVLIST_INIT 0x80 |
76 | #define EVLIST_INIT 0x80 |
67 | |
77 | |
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78 | typedef void (*event_callback_fn)(int, short, void *); |
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79 | |
68 | struct event |
80 | struct event |
69 | { |
81 | { |
70 | /* libev watchers we map onto */ |
82 | /* libev watchers we map onto */ |
71 | union { |
83 | union { |
72 | struct ev_io io; |
84 | struct ev_io io; |
… | |
… | |
74 | } iosig; |
86 | } iosig; |
75 | struct ev_timer to; |
87 | struct ev_timer to; |
76 | |
88 | |
77 | /* compatibility slots */ |
89 | /* compatibility slots */ |
78 | struct event_base *ev_base; |
90 | struct event_base *ev_base; |
79 | void (*ev_callback)(int, short, void *arg); |
91 | event_callback_fn ev_callback; |
80 | void *ev_arg; |
92 | void *ev_arg; |
81 | int ev_fd; |
93 | int ev_fd; |
82 | int ev_pri; |
94 | int ev_pri; |
83 | int ev_res; |
95 | int ev_res; |
84 | int ev_flags; |
96 | int ev_flags; |
85 | short ev_events; |
97 | short ev_events; |
86 | }; |
98 | }; |
87 | |
99 | |
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100 | event_callback_fn event_get_callback (const struct event *ev); |
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101 | |
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102 | #define EV_READ EV_READ |
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103 | #define EV_WRITE EV_WRITE |
88 | #define EV_PERSIST 0x10 |
104 | #define EV_PERSIST 0x10 |
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105 | #define EV_ET 0x20 /* nop */ |
89 | |
106 | |
90 | #define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd) |
107 | #define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd) |
91 | #define EVENT_FD(ev) ((int) (ev)->ev_fd) |
108 | #define EVENT_FD(ev) ((int) (ev)->ev_fd) |
92 | |
109 | |
93 | #define event_initialized(ev) ((ev)->ev_flags & EVLIST_INIT) |
110 | #define event_initialized(ev) ((ev)->ev_flags & EVLIST_INIT) |
… | |
… | |
138 | int event_pending (struct event *ev, short, struct timeval *tv); |
155 | int event_pending (struct event *ev, short, struct timeval *tv); |
139 | |
156 | |
140 | int event_priority_init (int npri); |
157 | int event_priority_init (int npri); |
141 | int event_priority_set (struct event *ev, int pri); |
158 | int event_priority_set (struct event *ev, int pri); |
142 | |
159 | |
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160 | struct event_base *event_base_new (void); |
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161 | const char *event_base_get_method (const struct event_base *); |
143 | int event_base_set (struct event_base *base, struct event *ev); |
162 | int event_base_set (struct event_base *base, struct event *ev); |
144 | int event_base_loop (struct event_base *base, int); |
163 | int event_base_loop (struct event_base *base, int); |
145 | int event_base_loopexit (struct event_base *base, struct timeval *tv); |
164 | int event_base_loopexit (struct event_base *base, struct timeval *tv); |
146 | int event_base_dispatch (struct event_base *base); |
165 | int event_base_dispatch (struct event_base *base); |
147 | int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv); |
166 | int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv); |