Differences From Artifact [9e8a185a40]:
- File
src/OFKqueueKernelEventObserver.m
— part of check-in
[e702135e17]
at
2019-09-01 16:53:45
on branch trunk
— Remove remaining uses of lrint()
It was used to convert a time interval into seconds and microseconds or
seconds and nanoseconds and introduced inaccuracies. (user: js, size: 5182) [annotate] [blame] [check-ins using]
To Artifact [9821cf501a]:
- File src/OFKqueueKernelEventObserver.m — part of check-in [23ff70bec4] at 2020-01-07 22:59:41 on branch trunk — OFKernelEventObserver: Fix read buffers, select() (user: js, size: 5182) [annotate] [blame] [check-ins using] [more...]
1 2 | /* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, | | | | 1 2 3 4 5 6 7 8 9 10 11 | /* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, * 2018, 2019, 2020 * Jonathan Schleifer <js@nil.im> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * |
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27 28 29 30 31 32 33 | #include <sys/types.h> #include <sys/event.h> #include <sys/time.h> #import "OFKqueueKernelEventObserver.h" #import "OFArray.h" | < < < < < | 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #include <sys/types.h> #include <sys/event.h> #include <sys/time.h> #import "OFKqueueKernelEventObserver.h" #import "OFArray.h" #import "OFInitializationFailedException.h" #import "OFObserveFailedException.h" #import "OFOutOfRangeException.h" #define EVENTLIST_SIZE 64 |
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82 83 84 85 86 87 88 | - (void)dealloc { close(_kernelQueue); [super dealloc]; } | | | > | > | | > | > | | > | > | > > < < | 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | - (void)dealloc { close(_kernelQueue); [super dealloc]; } - (void)addObjectForReading: (id <OFReadyForReadingObserving>)object { struct kevent event; memset(&event, 0, sizeof(event)); event.ident = object.fileDescriptorForReading; event.filter = EVFILT_READ; event.flags = EV_ADD; #ifndef OF_NETBSD event.udata = object; #else event.udata = (intptr_t)object; #endif if (kevent(_kernelQueue, &event, 1, NULL, 0, NULL) != 0) @throw [OFObserveFailedException exceptionWithObserver: self errNo: errno]; [super addObjectForReading: object]; } - (void)addObjectForWriting: (id <OFReadyForWritingObserving>)object { struct kevent event; memset(&event, 0, sizeof(event)); event.ident = object.fileDescriptorForWriting; event.filter = EVFILT_WRITE; event.flags = EV_ADD; #ifndef OF_NETBSD event.udata = object; #else event.udata = (intptr_t)object; #endif if (kevent(_kernelQueue, &event, 1, NULL, 0, NULL) != 0) @throw [OFObserveFailedException exceptionWithObserver: self errNo: errno]; [super addObjectForWriting: object]; } - (void)removeObjectForReading: (id <OFReadyForReadingObserving>)object { struct kevent event; memset(&event, 0, sizeof(event)); event.ident = object.fileDescriptorForReading; event.filter = EVFILT_READ; event.flags = EV_DELETE; if (kevent(_kernelQueue, &event, 1, NULL, 0, NULL) != 0) @throw [OFObserveFailedException exceptionWithObserver: self errNo: errno]; [super removeObjectForReading: object]; } - (void)removeObjectForWriting: (id <OFReadyForWritingObserving>)object { struct kevent event; memset(&event, 0, sizeof(event)); event.ident = object.fileDescriptorForWriting; event.filter = EVFILT_WRITE; event.flags = EV_DELETE; if (kevent(_kernelQueue, &event, 1, NULL, 0, NULL) != 0) @throw [OFObserveFailedException exceptionWithObserver: self errNo: errno]; [super removeObjectForWriting: object]; } - (void)observeForTimeInterval: (of_time_interval_t)timeInterval { struct timespec timeout; struct kevent eventList[EVENTLIST_SIZE]; int events; if ([self of_processReadBuffers]) return; timeout.tv_sec = (time_t)timeInterval; timeout.tv_nsec = (timeInterval - timeout.tv_sec) * 1000000000; events = kevent(_kernelQueue, NULL, 0, eventList, EVENTLIST_SIZE, |
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