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annotate third_party/wrk/src/ae.h @ 209:3b47e82ac57e

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[MrJuneJune] PWA updates.
author MrJuneJune <me@mrjunejune.com>
date Sun, 15 Feb 2026 15:43:26 -0800
parents 94705b5986b3
children
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178
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1 /* A simple event-driven programming library. Originally I wrote this code
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2 * for the Jim's event-loop (Jim is a Tcl interpreter) but later translated
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3 * it in form of a library for easy reuse.
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4 *
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5 * Copyright (c) 2006-2012, Salvatore Sanfilippo <antirez at gmail dot com>
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6 * All rights reserved.
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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10 *
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11 * * Redistributions of source code must retain the above copyright notice,
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12 * this list of conditions and the following disclaimer.
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13 * * 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 * * Neither the name of Redis nor the names of its contributors may be used
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17 * to endorse or promote products derived from this software without
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18 * specific prior written permission.
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19 *
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20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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30 * POSSIBILITY OF SUCH DAMAGE.
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31 */
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32
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33 #ifndef __AE_H__
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34 #define __AE_H__
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35
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36 #include <time.h>
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37
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38 #define AE_OK 0
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39 #define AE_ERR -1
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40
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41 #define AE_NONE 0
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42 #define AE_READABLE 1
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43 #define AE_WRITABLE 2
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44
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45 #define AE_FILE_EVENTS 1
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46 #define AE_TIME_EVENTS 2
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47 #define AE_ALL_EVENTS (AE_FILE_EVENTS|AE_TIME_EVENTS)
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48 #define AE_DONT_WAIT 4
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49
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50 #define AE_NOMORE -1
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51 #define AE_DELETED_EVENT_ID -1
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52
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53 /* Macros */
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54 #define AE_NOTUSED(V) ((void) V)
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55
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56 struct aeEventLoop;
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57
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58 /* Types and data structures */
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59 typedef void aeFileProc(struct aeEventLoop *eventLoop, int fd, void *clientData, int mask);
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60 typedef int aeTimeProc(struct aeEventLoop *eventLoop, long long id, void *clientData);
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61 typedef void aeEventFinalizerProc(struct aeEventLoop *eventLoop, void *clientData);
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62 typedef void aeBeforeSleepProc(struct aeEventLoop *eventLoop);
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63
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64 /* File event structure */
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65 typedef struct aeFileEvent {
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66 int mask; /* one of AE_(READABLE|WRITABLE) */
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67 aeFileProc *rfileProc;
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68 aeFileProc *wfileProc;
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69 void *clientData;
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70 } aeFileEvent;
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71
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72 /* Time event structure */
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73 typedef struct aeTimeEvent {
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74 long long id; /* time event identifier. */
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75 long when_sec; /* seconds */
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76 long when_ms; /* milliseconds */
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77 aeTimeProc *timeProc;
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78 aeEventFinalizerProc *finalizerProc;
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79 void *clientData;
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80 struct aeTimeEvent *next;
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81 } aeTimeEvent;
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82
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83 /* A fired event */
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84 typedef struct aeFiredEvent {
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85 int fd;
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86 int mask;
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87 } aeFiredEvent;
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88
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89 /* State of an event based program */
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90 typedef struct aeEventLoop {
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91 int maxfd; /* highest file descriptor currently registered */
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92 int setsize; /* max number of file descriptors tracked */
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93 long long timeEventNextId;
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94 time_t lastTime; /* Used to detect system clock skew */
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95 aeFileEvent *events; /* Registered events */
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96 aeFiredEvent *fired; /* Fired events */
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97 aeTimeEvent *timeEventHead;
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98 int stop;
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99 void *apidata; /* This is used for polling API specific data */
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100 aeBeforeSleepProc *beforesleep;
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101 } aeEventLoop;
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102
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103 /* Prototypes */
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104 aeEventLoop *aeCreateEventLoop(int setsize);
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105 void aeDeleteEventLoop(aeEventLoop *eventLoop);
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106 void aeStop(aeEventLoop *eventLoop);
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107 int aeCreateFileEvent(aeEventLoop *eventLoop, int fd, int mask,
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108 aeFileProc *proc, void *clientData);
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109 void aeDeleteFileEvent(aeEventLoop *eventLoop, int fd, int mask);
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110 int aeGetFileEvents(aeEventLoop *eventLoop, int fd);
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111 long long aeCreateTimeEvent(aeEventLoop *eventLoop, long long milliseconds,
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112 aeTimeProc *proc, void *clientData,
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113 aeEventFinalizerProc *finalizerProc);
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114 int aeDeleteTimeEvent(aeEventLoop *eventLoop, long long id);
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115 int aeProcessEvents(aeEventLoop *eventLoop, int flags);
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116 int aeWait(int fd, int mask, long long milliseconds);
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117 void aeMain(aeEventLoop *eventLoop);
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118 char *aeGetApiName(void);
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119 void aeSetBeforeSleepProc(aeEventLoop *eventLoop, aeBeforeSleepProc *beforesleep);
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120 int aeGetSetSize(aeEventLoop *eventLoop);
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121 int aeResizeSetSize(aeEventLoop *eventLoop, int setsize);
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122
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123 #endif