#define _GNU_SOURCE	/* needed to get the defines */
#include <fcntl.h>	/* in glibc 2.2 this has the needed
				   values defined */
#include <signal.h>
#include <stdio.h>
#include <unistd.h>

static volatile int event_fd;

static void handler(int sig, siginfo_t *si, void *data)
{
	event_fd = si->si_fd;
}

int main(void)
{
	struct sigaction act;
	int fd;

	act.sa_sigaction = handler;
	sigemptyset(&act.sa_mask);
	act.sa_flags = SA_SIGINFO;
	sigaction(SIGRTMIN + 1, &act, NULL);

	fd = open(".", O_RDONLY);
	fcntl(fd, F_SETSIG, SIGRTMIN + 1);
	fcntl(fd, F_NOTIFY, DN_MODIFY|DN_CREATE|DN_MULTISHOT);
	/* we will now be notified if any of the files
	   in "." is modified or new files are created */
	while (1) {
		pause();
		printf("Got event on fd=%d\n", event_fd);
	}
}
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<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/atm/Makefile?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/atm/Makefile'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/atm?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>atm</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>Makefile</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='c14024dbb156c8392908aaa822097d27c6af8ec8'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Jens Axboe &lt;axboe@fb.com&gt;</td><td class='right'>2017-01-27 11:56:06 -0700</td></tr>
<tr><th>committer</th><td>Jens Axboe &lt;axboe@fb.com&gt;</td><td class='right'>2017-01-27 11:56:06 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>c14024dbb156c8392908aaa822097d27c6af8ec8</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/atm/Makefile?id=c14024dbb156c8392908aaa822097d27c6af8ec8'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>02f6ffa664b16bd76750c05f62708a518de2acdc</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>drivers/usb/atm/Makefile</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=08965c2eba135bdfb6e86cf25308e01421c7e0ce'>08965c2eba135bdfb6e86cf25308e01421c7e0ce</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8&amp;id2=08965c2eba135bdfb6e86cf25308e01421c7e0ce'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=3b4f18843e511193e7eb616710e838f5852e661d'>3b4f18843e511193e7eb616710e838f5852e661d</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/atm/Makefile?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8&amp;id2=3b4f18843e511193e7eb616710e838f5852e661d'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'stable/for-jens-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-linus</div><div class='commit-msg'>Konrad writes:

Please pull in your 'for-linus' branch two little fixes for Xen
block front:

One fix is for handling the XEN_PAGE_SIZE != PAGE_SIZE (4KB vs 64KB
on ARM for example) mishandling while the other is fixing
the accounting for the configuration changes.
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>Diffstat</a> (limited to 'drivers/usb/atm/Makefile')</div><table summary='diffstat' class='diffstat'>