diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/filesystems/.gitignore | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/filesystems/Makefile | 7 | ||||
| -rw-r--r-- | tools/testing/selftests/filesystems/dnotify_test.c | 34 |
3 files changed, 42 insertions, 0 deletions
diff --git a/tools/testing/selftests/filesystems/.gitignore b/tools/testing/selftests/filesystems/.gitignore new file mode 100644 index 000000000000..31d6e426b6d4 --- /dev/null +++ b/tools/testing/selftests/filesystems/.gitignore @@ -0,0 +1 @@ +dnotify_test diff --git a/tools/testing/selftests/filesystems/Makefile b/tools/testing/selftests/filesystems/Makefile new file mode 100644 index 000000000000..0ab11307b414 --- /dev/null +++ b/tools/testing/selftests/filesystems/Makefile @@ -0,0 +1,7 @@ +TEST_PROGS := dnotify_test +all: $(TEST_PROGS) + +include ../lib.mk + +clean: + rm -fr $(TEST_PROGS) diff --git a/tools/testing/selftests/filesystems/dnotify_test.c b/tools/testing/selftests/filesystems/dnotify_test.c new file mode 100644 index 000000000000..8b37b4a1e18d --- /dev/null +++ b/tools/testing/selftests/filesystems/dnotify_test.c @@ -0,0 +1,34 @@ +#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); + } +} |