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#import "OFKqueueKernelEventObserver.h"
#import "OFArray.h"
#import "OFInitializationFailedException.h"
#import "OFObserveFailedException.h"
#import "OFOutOfRangeException.h"
#define EVENTLIST_SIZE 64
#define eventListSize 64
@implementation OFKqueueKernelEventObserver
- (instancetype)init
{
self = [super init];
@try {
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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
- (void)observeForTimeInterval: (OFTimeInterval)timeInterval
{
struct timespec timeout;
struct kevent eventList[EVENTLIST_SIZE];
struct kevent eventList[eventListSize];
int events;
if ([self of_processReadBuffers])
return;
timeout.tv_sec = (time_t)timeInterval;
timeout.tv_nsec = (long)((timeInterval - timeout.tv_sec) * 1000000000);
events = kevent(_kernelQueue, NULL, 0, eventList, EVENTLIST_SIZE,
events = kevent(_kernelQueue, NULL, 0, eventList, eventListSize,
(timeInterval != -1 ? &timeout : NULL));
if (events < 0)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: errno];
for (int i = 0; i < events; i++) {
void *pool;
if (eventList[i].flags & EV_ERROR)
@throw [OFObserveFailedException
exceptionWithObserver: self
errNo: (int)eventList[i].data];
if (eventList[i].ident == (uintptr_t)_cancelFD[0]) {
char buffer;
assert(eventList[i].filter == EVFILT_READ);
OF_ENSURE(read(_cancelFD[0], &buffer, 1) == 1);
OFEnsure(read(_cancelFD[0], &buffer, 1) == 1);
continue;
}
pool = objc_autoreleasePoolPush();
switch (eventList[i].filter) {
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