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Searched refs:event_fd (Results 1 – 10 of 10) sorted by relevance

/linux/tools/testing/selftests/filesystems/
H A Ddnotify_test.c9 static volatile int event_fd; variable
13 event_fd = si->si_fd; in handler()
33 printf("Got event on fd=%d\n", event_fd); in main()
/linux/tools/iio/
H A Diio_event_monitor.c354 int fd, event_fd; in main() local
402 ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd); in main()
403 if (ret == -1 || event_fd == -1) { in main()
422 ret = read(event_fd, &event, sizeof(event)); in main()
443 if (close(event_fd) == -1) in main()
/linux/Documentation/userspace-api/gpio/
H A Dgpio-lineevent-data-read.rst21 ``int read(int event_fd, void *buf, size_t count)``
26 ``event_fd``
76 The `read()` will block if no event is available and the ``event_fd`` has not
79 The presence of an event can be tested for by checking that the ``event_fd`` is
H A Dgpio-handle-get-line-values-ioctl.rst54 substituting the ``event_fd`` for the ``handle_fd``. As there is only
H A Dchardev_v1.rst98 as ``event_fd``.
/linux/samples/bpf/
H A Dtask_fd_query_user.c96 int err, event_fd; in test_debug_fs_kprobe() local
100 event_fd = bpf_link__fd(links[link_idx]); in test_debug_fs_kprobe()
101 err = bpf_task_fd_query(getpid(), event_fd, 0, buf, &len, in test_debug_fs_kprobe()
/linux/include/uapi/xen/
H A Dprivcmd.h121 __u32 event_fd; member
/linux/drivers/xen/
H A Dprivcmd.c1373 f = fdget(ioeventfd->event_fd); in privcmd_ioeventfd_assign()
1422 eventfd = eventfd_ctx_fdget(ioeventfd->event_fd); in privcmd_ioeventfd_deassign()
/linux/Documentation/admin-guide/cgroup-v1/
H A Dmemory.rst67 cgroup.event_control an interface for event_fd()
843 - write string like "<event_fd> <fd of memory.usage_in_bytes> <threshold>" to
868 - write string like "<event_fd> <fd of memory.oom_control>" to
970 - write string as "<event_fd> <fd of memory.pressure_level> <level[,mode]>"
/linux/kernel/events/
H A Dcore.c12670 int event_fd; in SYSCALL_DEFINE5() local
12734 event_fd = get_unused_fd_flags(f_flags); in SYSCALL_DEFINE5()
12735 if (event_fd < 0) in SYSCALL_DEFINE5()
12736 return event_fd; in SYSCALL_DEFINE5()
13026 fd_install(event_fd, event_file); in SYSCALL_DEFINE5()
13027 return event_fd; in SYSCALL_DEFINE5()
13047 put_unused_fd(event_fd); in SYSCALL_DEFINE5()