Files
android/tools/testing/selftests/filesystems/dnotify_test.c
T
threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

36 lines
808 B
C

// SPDX-License-Identifier: GPL-2.0
#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);
}
}