libresman

diff src/filewatch_bsd.c @ 26:6b9974a8bdae

started BSD/mac support for file watching
author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 31 Mar 2014 19:51:00 +0300
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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/filewatch_bsd.c	Mon Mar 31 19:51:00 2014 +0300
     1.3 @@ -0,0 +1,25 @@
     1.4 +/* file modification monitoring with kqueue */
     1.5 +#if defined(__FreeBSD__) || defined(__APPLE__)
     1.6 +#include <stdio.h>
     1.7 +#include <fcntl.h>
     1.8 +#include <sys/event.h>
     1.9 +#include "filewatch.h"
    1.10 +#include "resman.h"
    1.11 +#include "resman_impl.h"
    1.12 +
    1.13 +int resman_init_file_monitor(struct resman *rman)
    1.14 +{
    1.15 +	if((rman->kq = kqueue()) == -1) {
    1.16 +		return -1;
    1.17 +	}
    1.18 +	/* set non-blocking flag, to allow polling by reading */
    1.19 +	fcntl(rman->kq, F_SETFL, fcntl(rman->kq, F_GETFL) | O_NONBLOCK);
    1.20 +
    1.21 +	/* createh the fd->resource map */
    1.22 +	rman->nresmap = rb_create(RB_KEY_INT);
    1.23 +	return 0;
    1.24 +}
    1.25 +
    1.26 +#else
    1.27 +int resman_filewatch_bsd_silence_empty_file_warning;
    1.28 +#endif	/* __FreeBSD__ or __APPLE__ */