Differences From Artifact [0f25fb90be]:
- File
src/OFStreamObserver_kqueue.m
— part of check-in
[417b213d41]
at
2012-07-16 23:49:50
on branch trunk
— Add OF_ENSURE.
This is to be used when the condition includes a statement that needs to
be executed, as with assert, this would not be executed anymore when
NDEBUG is defined. (user: js, size: 3515) [annotate] [blame] [check-ins using]
To Artifact [ef7d60eaa2]:
- File
src/OFStreamObserver_kqueue.m
— part of check-in
[1255f3a11a]
at
2012-08-10 20:08:24
on branch trunk
— Directly use the runtime's autorelease pools.
This greatly improves performance, as it gets rid of the overhead of
OFAutoreleasePool. (user: js, size: 3486) [annotate] [blame] [check-ins using]
| ︙ | ︙ | |||
23 24 25 26 27 28 29 | #include <sys/types.h> #include <sys/event.h> #include <sys/time.h> #import "OFStreamObserver_kqueue.h" #import "OFDataArray.h" | < > | 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 |
#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>
#import "OFStreamObserver_kqueue.h"
#import "OFDataArray.h"
#import "OFInitializationFailedException.h"
#import "OFOutOfMemoryException.h"
#import "autorelease.h"
#import "macros.h"
#define EVENTLIST_SIZE 64
@implementation OFStreamObserver_kqueue
- init
{
|
| ︙ | ︙ | |||
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EV_SET(&event, fd, EVFILT_WRITE, EV_DELETE, 0, 0, 0);
[changeList addItem: &event];
}
- (BOOL)observeWithTimeout: (int)timeout
{
| | | > > < < | < < > > | < < > < < | 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 |
EV_SET(&event, fd, EVFILT_WRITE, EV_DELETE, 0, 0, 0);
[changeList addItem: &event];
}
- (BOOL)observeWithTimeout: (int)timeout
{
void *pool = objc_autoreleasePoolPush();
struct timespec timespec = { timeout, 0 };
struct kevent eventList[EVENTLIST_SIZE];
int i, events;
[self _processQueue];
if ([self _processCache]) {
objc_autoreleasePoolPop(pool);
return YES;
}
objc_autoreleasePoolPop(pool);
events = kevent(kernelQueue, [changeList cArray],
(int)[changeList count], eventList, EVENTLIST_SIZE,
(timeout == -1 ? NULL : ×pec));
if (events == -1) {
switch (errno) {
case EINTR:
return NO;
case ENOMEM:
@throw [OFOutOfMemoryException
exceptionWithClass: [self class]];
default:
assert(0);
}
}
[changeList removeAllItems];
if (events == 0)
return NO;
for (i = 0; i < events; i++) {
if (eventList[i].ident == cancelFD[0]) {
char buffer;
OF_ENSURE(read(cancelFD[0], &buffer, 1) > 0);
continue;
}
pool = objc_autoreleasePoolPush();
if (eventList[i].flags & EV_ERROR) {
[delegate streamDidReceiveException:
FDToStream[eventList[i].ident]];
objc_autoreleasePoolPop(pool);
continue;
}
switch (eventList[i].filter) {
case EVFILT_READ:
[delegate streamIsReadyForReading:
FDToStream[eventList[i].ident]];
break;
case EVFILT_WRITE:
[delegate streamIsReadyForWriting:
FDToStream[eventList[i].ident]];
break;
default:
assert(0);
}
objc_autoreleasePoolPop(pool);
}
return YES;
}
@end
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