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comparison: other-licenses/android/eventlib.h

other-licenses/android/eventlib.h

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1 /* $NetBSD: eventlib.h,v 1.1.1.3 2005/12/21 23:15:22 christos Exp $ */
2
3 /*
4 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (c) 1995-1999 by Internet Software Consortium
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
17 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 /* eventlib.h - exported interfaces for eventlib
21 * vix 09sep95 [initial]
22 *
23 * Id: eventlib.h,v 1.1.2.1.4.2 2005/07/28 07:43:18 marka Exp
24 */
25
26 /*
27 * This version of this file is derived from Android 2.3 "Gingerbread",
28 * which contains uncredited changes by Android/Google developers. It has
29 * been modified in 2011 for use in the Android build of Mozilla Firefox by
30 * Mozilla contributors (including Michael Edwards <m.k.edwards@gmail.com>,
31 * and Steve Workman <sjhworkman@gmail.com>).
32 * These changes are offered under the same license as the original NetBSD
33 * file, whose copyright and license are unchanged above.
34 */
35
36 #ifndef _EVENTLIB_H
37 #define _EVENTLIB_H
38
39 #include <sys/types.h>
40 #include <sys/uio.h>
41 #include <sys/time.h>
42 #include <stdio.h>
43
44 #ifndef __P
45 # define __EVENTLIB_P_DEFINED
46 # ifdef __STDC__
47 # define __P(x) x
48 # else
49 # define __P(x) ()
50 # endif
51 #endif
52
53 /* In the absence of branded types... */
54 typedef struct { void *opaque; } evConnID;
55 typedef struct { void *opaque; } evFileID;
56 typedef struct { void *opaque; } evStreamID;
57 typedef struct { void *opaque; } evTimerID;
58 typedef struct { void *opaque; } evWaitID;
59 typedef struct { void *opaque; } evContext;
60 typedef struct { void *opaque; } evEvent;
61
62 #define evInitID(id) ((id)->opaque = NULL)
63 #define evTestID(id) ((id).opaque != NULL)
64
65 typedef void (*evConnFunc)__P((evContext, void *, int, const void *, int,
66 const void *, int));
67 typedef void (*evFileFunc)__P((evContext, void *, int, int));
68 typedef void (*evStreamFunc)__P((evContext, void *, int, int));
69 typedef void (*evTimerFunc)__P((evContext, void *,
70 struct timespec, struct timespec));
71 typedef void (*evWaitFunc)__P((evContext, void *, const void *));
72
73 typedef struct { unsigned char mask[256/8]; } evByteMask;
74 #define EV_BYTEMASK_BYTE(b) ((b) / 8)
75 #define EV_BYTEMASK_MASK(b) (1 << ((b) % 8))
76 #define EV_BYTEMASK_SET(bm, b) \
77 ((bm).mask[EV_BYTEMASK_BYTE(b)] |= EV_BYTEMASK_MASK(b))
78 #define EV_BYTEMASK_CLR(bm, b) \
79 ((bm).mask[EV_BYTEMASK_BYTE(b)] &= ~EV_BYTEMASK_MASK(b))
80 #define EV_BYTEMASK_TST(bm, b) \
81 ((bm).mask[EV_BYTEMASK_BYTE(b)] & EV_BYTEMASK_MASK(b))
82
83 #define EV_POLL 1
84 #define EV_WAIT 2
85 #define EV_NULL 4
86
87 #define EV_READ 1
88 #define EV_WRITE 2
89 #define EV_EXCEPT 4
90
91 #define EV_WASNONBLOCKING 8 /* Internal library use. */
92
93 /* eventlib.c */
94 #define evCreate __evCreate
95 #define evSetDebug __evSetDebug
96 #define evDestroy __evDestroy
97 #define evGetNext __evGetNext
98 #define evDispatch __evDispatch
99 #define evDrop __evDrop
100 #define evMainLoop __evMainLoop
101 #define evHighestFD __evHighestFD
102 #define evGetOption __evGetOption
103 #define evSetOption __evSetOption
104
105 int evCreate __P((evContext *));
106 void evSetDebug __P((evContext, int, FILE *));
107 int evDestroy __P((evContext));
108 int evGetNext __P((evContext, evEvent *, int));
109 int evDispatch __P((evContext, evEvent));
110 void evDrop __P((evContext, evEvent));
111 int evMainLoop __P((evContext));
112 int evHighestFD __P((evContext));
113 int evGetOption __P((evContext *, const char *, int *));
114 int evSetOption __P((evContext *, const char *, int));
115
116 /* ev_connects.c */
117 #define evListen __evListen
118 #define evConnect __evConnect
119 #define evCancelConn __evCancelConn
120 #define evHold __evHold
121 #define evUnhold __evUnhold
122 #define evTryAccept __evTryAccept
123
124 int evListen __P((evContext, int, int, evConnFunc, void *, evConnID *));
125 int evConnect __P((evContext, int, const void *, int,
126 evConnFunc, void *, evConnID *));
127 int evCancelConn __P((evContext, evConnID));
128 int evHold __P((evContext, evConnID));
129 int evUnhold __P((evContext, evConnID));
130 int evTryAccept __P((evContext, evConnID, int *));
131
132 /* ev_files.c */
133 #define evSelectFD __evSelectFD
134 #define evDeselectFD __evDeselectFD
135
136 int evSelectFD __P((evContext, int, int, evFileFunc, void *, evFileID *));
137 int evDeselectFD __P((evContext, evFileID));
138
139 /* ev_streams.c */
140 #define evConsIovec __evConsIovec
141 #define evWrite __evWrite
142 #define evRead __evRead
143 #define evTimeRW __evTimeRW
144 #define evUntimeRW __evUntimeRW
145 #define evCancelRW __evCancelRW
146
147 struct iovec evConsIovec __P((void *, size_t));
148 int evWrite __P((evContext, int, const struct iovec *, int,
149 evStreamFunc func, void *, evStreamID *));
150 int evRead __P((evContext, int, const struct iovec *, int,
151 evStreamFunc func, void *, evStreamID *));
152 int evTimeRW __P((evContext, evStreamID, evTimerID timer));
153 int evUntimeRW __P((evContext, evStreamID));
154 int evCancelRW __P((evContext, evStreamID));
155
156 /* ev_timers.c */
157 #define evConsTime __evConsTime
158 #define evAddTime __evAddTime
159 #define evSubTime __evSubTime
160 #define evCmpTime __evCmpTime
161 #define evTimeSpec __evTimeSpec
162 #define evTimeVal __evTimeVal
163
164 #define evNowTime __evNowTime
165 #define evUTCTime __evUTCTime
166 #define evLastEventTime __evLastEventTime
167 #define evSetTimer __evSetTimer
168 #define evClearTimer __evClearTimer
169 #define evConfigTimer __evConfigTimer
170 #define evResetTimer __evResetTimer
171 #define evSetIdleTimer __evSetIdleTimer
172 #define evClearIdleTimer __evClearIdleTimer
173 #define evResetIdleTimer __evResetIdleTimer
174 #define evTouchIdleTimer __evTouchIdleTimer
175
176 struct timespec evConsTime __P((time_t sec, long nsec));
177 struct timespec evAddTime __P((struct timespec, struct timespec));
178 struct timespec evSubTime __P((struct timespec, struct timespec));
179 struct timespec evNowTime __P((void));
180 struct timespec evUTCTime __P((void));
181 struct timespec evLastEventTime __P((evContext));
182 struct timespec evTimeSpec __P((struct timeval));
183 struct timeval evTimeVal __P((struct timespec));
184 int evCmpTime __P((struct timespec, struct timespec));
185 int evSetTimer __P((evContext, evTimerFunc, void *, struct timespec,
186 struct timespec, evTimerID *));
187 int evClearTimer __P((evContext, evTimerID));
188 int evConfigTimer __P((evContext, evTimerID, const char *param,
189 int value));
190 int evResetTimer __P((evContext, evTimerID, evTimerFunc, void *,
191 struct timespec, struct timespec));
192 int evSetIdleTimer __P((evContext, evTimerFunc, void *, struct timespec,
193 evTimerID *));
194 int evClearIdleTimer __P((evContext, evTimerID));
195 int evResetIdleTimer __P((evContext, evTimerID, evTimerFunc, void *,
196 struct timespec));
197 int evTouchIdleTimer __P((evContext, evTimerID));
198
199 /* ev_waits.c */
200 #define evWaitFor __evWaitFor
201 #define evDo __evDo
202 #define evUnwait __evUnwait
203 #define evDefer __evDefer
204
205 int evWaitFor __P((evContext, const void *, evWaitFunc, void *, evWaitID *));
206 int evDo __P((evContext, const void *));
207 int evUnwait __P((evContext, evWaitID));
208 int evDefer __P((evContext, evWaitFunc, void *));
209
210 #ifdef __EVENTLIB_P_DEFINED
211 # undef __P
212 #endif
213
214 #endif /*_EVENTLIB_H*/

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