Date: Tue, 06 Mar 2012 17:18:39 +0400 From: Sergey Matveychuk <sem@semmy.ru> To: Markiyan Kushnir <markiyan.kushnir@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: watching for a directory with kqueue Message-ID: <4F560EAF.40001@semmy.ru> In-Reply-To: <4F5528BF.9030109@gmail.com> References: <4F550227.2010006@FreeBSD.org> <4F5528BF.9030109@gmail.com>
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06.03.2012 0:57, Markiyan Kushnir wrote:
> On 05.03.2012 20:12, Sergey Matveychuk wrote:
>> Hi.
>>
>> I've met a problem with the subj. Could you help?
>>
>> I'm watching for a directory:
>> EV_SET(kq_change_list, fd, EVFILT_VNODE,
>> EV_ADD | EV_ENABLE | EV_ONESHOT,
>> NOTE_DELETE | NOTE_WRITE | NOTE_EXTEND | NOTE_ATTRIB,
>> 0, 0);
>>
>> When the directory changed, I read its contens with opendir, like that:
>> struct kq_event kq_event[1000];
>> ...
>> while(1) {
>> n = kevent(kq, kq_change_list, chlist_used, kq_event, 1000, NULL);
>> for(i = 0; i < n; i++) {
>> if(kq_event[i].fflags & NOTE_EXTEND || kq_event[i].fflags & NOTE_WRITE) {
>> opendir(.....)
>>
>> It works when I create a few files (1-3), but when I create 10 files
>> with touch(1) I see only 3-6 files with opendir. I've got only one event
>> with kevent() (n=1). Looks like I should got a few events, but I did
>> not. Could you give an advice how to get all created files?
>
> Try to put some delay (~10ms) after your call to kevent().
>
Not enough smooth for me, but works.
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