| /kernel/linux/linux-4.19/Documentation/media/uapi/v4l/ |
| D | func-poll.rst | 3 .. _func-poll:
6 V4L2 poll()
12 v4l2-poll - Wait for some event on a file descriptor
20 #include <sys/poll.h>
23 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
24 :name: v4l2-poll
34 With the :ref:`poll() <func-poll>` function applications can suspend execution
47 On success :ref:`poll() <func-poll>` returns the number of file descriptors
55 :ref:`VIDIOC_STREAMON <VIDIOC_STREAMON>` the :ref:`poll() <func-poll>`
60 :ref:`poll() <func-poll>` function succeeds and sets the ``POLLERR`` flag in
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| /kernel/linux/linux-4.19/drivers/tty/vt/ |
| D | vc_screen.c | 93 struct vcs_poll_data *poll = in vcs_notifier() local
95 int currcons = poll->cons_num; in vcs_notifier()
107 poll->seen_last_update = false; in vcs_notifier()
108 wake_up_interruptible(&poll->waitq); in vcs_notifier()
109 kill_fasync(&poll->fasync, SIGIO, POLL_IN); in vcs_notifier()
114 vcs_poll_data_free(struct vcs_poll_data *poll) in vcs_poll_data_free() argument
116 unregister_vt_notifier(&poll->notifier); in vcs_poll_data_free()
117 kfree(poll); in vcs_poll_data_free()
123 struct vcs_poll_data *poll = file->private_data, *kill = NULL; in vcs_poll_data_get() local
125 if (poll) in vcs_poll_data_get()
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| /kernel/linux/linux-5.10/drivers/tty/vt/ |
| D | vc_screen.c | 89 struct vcs_poll_data *poll = in vcs_notifier() local
91 int currcons = poll->cons_num; in vcs_notifier()
112 poll->event = code; in vcs_notifier()
113 wake_up_interruptible(&poll->waitq); in vcs_notifier()
114 kill_fasync(&poll->fasync, SIGIO, fa_band); in vcs_notifier()
119 vcs_poll_data_free(struct vcs_poll_data *poll) in vcs_poll_data_free() argument
121 unregister_vt_notifier(&poll->notifier); in vcs_poll_data_free()
122 kfree(poll); in vcs_poll_data_free()
128 struct vcs_poll_data *poll = file->private_data, *kill = NULL; in vcs_poll_data_get() local
130 if (poll) in vcs_poll_data_get()
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| /kernel/linux/linux-4.19/Documentation/media/uapi/cec/ |
| D | cec-func-poll.rst | 3 .. _cec-func-poll:
6 cec poll()
12 cec-poll - Wait for some event on a file descriptor
20 #include <sys/poll.h>
23 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
24 :name: cec-poll
42 With the :c:func:`poll() <cec-poll>` function applications can wait for CEC
45 On success :c:func:`poll() <cec-poll>` returns the number of file descriptors
56 For more details see the :c:func:`poll() <cec-poll>` manual page.
62 On success, :c:func:`poll() <cec-poll>` returns the number structures which have
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| /kernel/linux/linux-4.19/arch/um/os-Linux/ |
| D | sigio.c | 38 struct pollfd *poll; member
61 n = poll(fds->poll, fds->used, -1); in write_sigio_thread()
69 p = &fds->poll[i]; in write_sigio_thread()
88 memmove(&fds->poll[i], &fds->poll[i + 1], in write_sigio_thread()
89 (fds->used - i) * sizeof(*fds->poll)); in write_sigio_thread()
117 memcpy(new, polls->poll, polls->used * sizeof(struct pollfd)); in need_poll()
118 kfree(polls->poll); in need_poll()
120 polls->poll = new; in need_poll()
174 if (all_sigio_fds.poll[i].fd == fd) in add_sigio_fd()
180 p = &all_sigio_fds.poll[i]; in add_sigio_fd()
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| /kernel/linux/linux-5.10/arch/um/os-Linux/ |
| D | sigio.c | 38 struct pollfd *poll; member
61 n = poll(fds->poll, fds->used, -1); in write_sigio_thread()
69 p = &fds->poll[i]; in write_sigio_thread()
88 memmove(&fds->poll[i], &fds->poll[i + 1], in write_sigio_thread()
89 (fds->used - i) * sizeof(*fds->poll)); in write_sigio_thread()
117 memcpy(new, polls->poll, polls->used * sizeof(struct pollfd)); in need_poll()
118 kfree(polls->poll); in need_poll()
120 polls->poll = new; in need_poll()
174 if (all_sigio_fds.poll[i].fd == fd) in add_sigio_fd()
180 p = &all_sigio_fds.poll[i]; in add_sigio_fd()
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| /kernel/linux/linux-5.10/Documentation/userspace-api/media/v4l/ |
| D | func-poll.rst | 4 .. _func-poll:
7 V4L2 poll()
13 v4l2-poll - Wait for some event on a file descriptor
20 #include <sys/poll.h>
22 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
31 With the :c:func:`poll()` function applications can suspend execution
44 On success :c:func:`poll()` returns the number of file descriptors
52 :ref:`VIDIOC_STREAMON <VIDIOC_STREAMON>` the :c:func:`poll()`
57 :c:func:`poll()` function succeeds and sets the ``POLLERR`` flag in
59 :c:func:`poll()` to succeed as well, but it sets the ``POLLOUT`` and
[all …]
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| /kernel/linux/linux-5.10/Documentation/userspace-api/media/mediactl/ |
| D | request-func-poll.rst | 4 .. _request-func-poll:
7 request poll()
13 request-poll - Wait for some event on a file descriptor
20 #include <sys/poll.h>
22 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
39 With the :c:func:`poll()` function applications can wait
42 On success :c:func:`poll()` returns the number of file
50 Attempting to poll for a request that is not yet queued will
56 On success, :c:func:`poll()` returns the number of
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| /kernel/linux/linux-5.10/drivers/iio/common/hid-sensors/ |
| D | hid-sensor-attributes.c | 165 st->poll.report_id, in hid_sensor_read_poll_value()
166 st->poll.index, sizeof(value), &value); in hid_sensor_read_poll_value()
171 if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND) in hid_sensor_read_poll_value()
186 st->poll.report_id, in hid_sensor_read_samp_freq_value()
187 st->poll.index, sizeof(value), &value); in hid_sensor_read_samp_freq_value()
192 if (st->poll.units == HID_USAGE_SENSOR_UNITS_MILLISECOND) in hid_sensor_read_samp_freq_value()
194 else if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND) in hid_sensor_read_samp_freq_value()
217 if (st->poll.units == HID_USAGE_SENSOR_UNITS_MILLISECOND) in hid_sensor_write_samp_freq_value()
219 else if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND) in hid_sensor_write_samp_freq_value()
224 ret = sensor_hub_set_feature(st->hsdev, st->poll.report_id, in hid_sensor_write_samp_freq_value()
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| /kernel/linux/linux-4.19/drivers/iio/common/hid-sensors/ |
| D | hid-sensor-attributes.c | 177 st->poll.report_id, in hid_sensor_read_poll_value()
178 st->poll.index, sizeof(value), &value); in hid_sensor_read_poll_value()
183 if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND) in hid_sensor_read_poll_value()
198 st->poll.report_id, in hid_sensor_read_samp_freq_value()
199 st->poll.index, sizeof(value), &value); in hid_sensor_read_samp_freq_value()
204 if (st->poll.units == HID_USAGE_SENSOR_UNITS_MILLISECOND) in hid_sensor_read_samp_freq_value()
206 else if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND) in hid_sensor_read_samp_freq_value()
229 if (st->poll.units == HID_USAGE_SENSOR_UNITS_MILLISECOND) in hid_sensor_write_samp_freq_value()
231 else if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND) in hid_sensor_write_samp_freq_value()
236 ret = sensor_hub_set_feature(st->hsdev, st->poll.report_id, in hid_sensor_write_samp_freq_value()
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| /kernel/linux/linux-5.10/Documentation/userspace-api/media/cec/ |
| D | cec-func-poll.rst | 4 .. _cec-func-poll:
7 cec poll()
13 cec-poll - Wait for some event on a file descriptor
20 #include <sys/poll.h>
22 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
39 With the :c:func:`poll()` function applications can wait for CEC
42 On success :c:func:`poll()` returns the number of file descriptors
53 For more details see the :c:func:`poll()` manual page.
58 On success, :c:func:`poll()` returns the number structures which have
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| /kernel/linux/linux-5.10/include/trace/events/ |
| D | scmi.h | 12 bool poll),
13 TP_ARGS(transfer_id, msg_id, protocol_id, seq, poll),
20 __field(bool, poll)
28 __entry->poll = poll;
33 __entry->seq, __entry->poll)
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | at91-natte.dtsi | 74 poll-interval = <20000>;
90 poll-interval = <20000>;
106 poll-interval = <20000>;
122 poll-interval = <20000>;
138 poll-interval = <20000>;
154 poll-interval = <20000>;
170 poll-interval = <20000>;
186 poll-interval = <20000>;
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| /kernel/linux/linux-4.19/arch/arm/boot/dts/ |
| D | at91-natte.dtsi | 74 poll-interval = <20000>;
90 poll-interval = <20000>;
106 poll-interval = <20000>;
122 poll-interval = <20000>;
138 poll-interval = <20000>;
154 poll-interval = <20000>;
170 poll-interval = <20000>;
186 poll-interval = <20000>;
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/serial/ |
| D | pl011.txt | 30 - auto-poll:
32 - poll-rate-ms:
33 Rate at which poll occurs when auto-poll is set,
35 - poll-timeout-ms:
36 Poll timeout when auto-poll is set, default
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| /kernel/linux/linux-4.19/drivers/input/misc/ |
| D | wm831x-on.c | 45 int poll, ret; in wm831x_poll_on() local
49 poll = !(ret & WM831X_ON_PIN_STS); in wm831x_poll_on()
51 input_report_key(wm831x_on->dev, KEY_POWER, poll); in wm831x_poll_on()
55 poll = 1; in wm831x_poll_on()
58 if (poll) in wm831x_poll_on()
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| /kernel/linux/linux-5.10/drivers/input/misc/ |
| D | wm831x-on.c | 45 int poll, ret; in wm831x_poll_on() local
49 poll = !(ret & WM831X_ON_PIN_STS); in wm831x_poll_on()
51 input_report_key(wm831x_on->dev, KEY_POWER, poll); in wm831x_poll_on()
55 poll = 1; in wm831x_poll_on()
58 if (poll) in wm831x_poll_on()
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| /kernel/linux/linux-4.19/drivers/dma-buf/ |
| D | dma-buf.c | 154 spin_lock_irqsave(&dcb->poll->lock, flags); in dma_buf_poll_cb()
155 wake_up_locked_poll(dcb->poll, dcb->active); in dma_buf_poll_cb()
157 spin_unlock_irqrestore(&dcb->poll->lock, flags); in dma_buf_poll_cb()
160 static __poll_t dma_buf_poll(struct file *file, poll_table *poll) in dma_buf_poll() argument
175 poll_wait(file, &dmabuf->poll, poll); in dma_buf_poll()
177 events = poll_requested_events(poll) & (EPOLLIN | EPOLLOUT); in dma_buf_poll()
203 spin_lock_irq(&dmabuf->poll.lock); in dma_buf_poll()
209 spin_unlock_irq(&dmabuf->poll.lock); in dma_buf_poll()
236 spin_lock_irq(&dmabuf->poll.lock); in dma_buf_poll()
241 spin_unlock_irq(&dmabuf->poll.lock); in dma_buf_poll()
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| /kernel/linux/linux-5.10/kernel/ |
| D | utsname_sysctl.c | 63 proc_sys_poll_notify(table->poll); in proc_do_uts_string()
103 .poll = &hostname_poll,
111 .poll = &domainname_poll,
134 proc_sys_poll_notify(table->poll); in uts_proc_notify()
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| /kernel/linux/linux-4.19/kernel/ |
| D | utsname_sysctl.c | 67 proc_sys_poll_notify(table->poll); in proc_do_uts_string()
107 .poll = &hostname_poll,
115 .poll = &domainname_poll,
138 proc_sys_poll_notify(table->poll); in uts_proc_notify()
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| /kernel/linux/linux-5.10/drivers/input/ |
| D | input-poller.c | 16 void (*poll)(struct input_dev *dev); member
42 poller->poll(poller->input); in input_dev_poller_work()
58 poller->poll(poller->input); in input_dev_poller_start()
87 poller->poll = poll_fn; in input_setup_polling()
180 static DEVICE_ATTR(poll, 0644,
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| /kernel/linux/linux-5.10/tools/testing/selftests/powerpc/nx-gzip/ |
| D | gzip_vas.c | 137 long poll = 0; in nx_wait_for_csb() local
153 ++poll; in nx_wait_for_csb()
167 if (poll > CSB_MAX_POLL) in nx_wait_for_csb()
186 (int) poll); in nx_wait_for_csb()
188 (int) poll); in nx_wait_for_csb()
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| /kernel/linux/linux-5.10/drivers/vhost/ |
| D | vhost.c | 157 struct vhost_poll *poll; in vhost_poll_func() local
159 poll = container_of(pt, struct vhost_poll, table); in vhost_poll_func()
160 poll->wqh = wqh; in vhost_poll_func()
161 add_wait_queue(wqh, &poll->wait); in vhost_poll_func()
167 struct vhost_poll *poll = container_of(wait, struct vhost_poll, wait); in vhost_poll_wakeup() local
168 struct vhost_work *work = &poll->work; in vhost_poll_wakeup()
170 if (!(key_to_poll(key) & poll->mask)) in vhost_poll_wakeup()
173 if (!poll->dev->use_worker) in vhost_poll_wakeup()
176 vhost_poll_queue(poll); in vhost_poll_wakeup()
189 void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn, in vhost_poll_init() argument
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| D | vhost.h | 43 void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn,
45 int vhost_poll_start(struct vhost_poll *poll, struct file *file);
46 void vhost_poll_stop(struct vhost_poll *poll);
47 void vhost_poll_flush(struct vhost_poll *poll);
48 void vhost_poll_queue(struct vhost_poll *poll);
85 struct vhost_poll poll; member
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| /kernel/linux/linux-4.19/drivers/vhost/ |
| D | vhost.h | 41 void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn,
43 int vhost_poll_start(struct vhost_poll *poll, struct file *file);
44 void vhost_poll_stop(struct vhost_poll *poll);
45 void vhost_poll_flush(struct vhost_poll *poll);
46 void vhost_poll_queue(struct vhost_poll *poll);
99 struct vhost_poll poll; member
|