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Searched refs:poll (Results 1 – 25 of 1968) sorted by relevance

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/linux/drivers/tty/vt/
A Dvc_screen.c122 kfree(poll); in vcs_poll_data_free()
130 if (poll) in vcs_poll_data_get()
131 return poll; in vcs_poll_data_get()
133 poll = kzalloc(sizeof(*poll), GFP_KERNEL); in vcs_poll_data_get()
134 if (!poll) in vcs_poll_data_get()
149 kfree(poll); in vcs_poll_data_get()
166 kill = poll; in vcs_poll_data_get()
173 return poll; in vcs_poll_data_get()
710 if (poll) { in vcs_poll()
737 if (!poll) in vcs_fasync()
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/linux/arch/um/os-Linux/
A Dsigio.c38 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()
118 kfree(polls->poll); in need_poll()
120 polls->poll = new; in need_poll()
179 p = &all_sigio_fds.poll[i]; in __add_sigio_fd()
191 memcpy(next_poll.poll, current_poll.poll, in __add_sigio_fd()
193 next_poll.poll[n] = *p; in __add_sigio_fd()
237 p = &current_poll.poll[i]; in __ignore_sigio_fd()
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/linux/Documentation/userspace-api/media/v4l/
A Dfunc-poll.rst4 .. _func-poll:
7 V4L2 poll()
13 v4l2-poll - Wait for some event on a file descriptor
20 #include <sys/poll.h>
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()`
64 :c:func:`poll()` will return.
80 the ``events`` field), then :c:func:`poll()` will *not* start
82 just poll for events and not for buffers.
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/linux/Documentation/devicetree/bindings/serial/
A Dpl011.yaml77 auto-poll:
82 poll-rate-ms:
84 Rate at which poll occurs when auto-poll is set.
88 poll-timeout-ms:
90 Poll timeout when auto-poll is set, default
100 poll-rate-ms: [ auto-poll ]
101 poll-timeout-ms: [ auto-poll ]
/linux/Documentation/userspace-api/media/mediactl/
A Drequest-func-poll.rst4 .. _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
/linux/Documentation/userspace-api/media/cec/
A Dcec-func-poll.rst4 .. _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
/linux/drivers/iio/common/hid-sensors/
A Dhid-sensor-attributes.c160 st->poll.report_id, in hid_sensor_read_poll_value()
161 st->poll.index, sizeof(value), &value); in hid_sensor_read_poll_value()
166 if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND) in hid_sensor_read_poll_value()
181 st->poll.report_id, in hid_sensor_read_samp_freq_value()
182 st->poll.index, sizeof(value), &value); in hid_sensor_read_samp_freq_value()
220 st->poll.index, sizeof(value), &value); in hid_sensor_write_samp_freq_value()
225 st->poll.report_id, in hid_sensor_write_samp_freq_value()
226 st->poll.index, sizeof(value), &value); in hid_sensor_write_samp_freq_value()
443 &st->poll); in hid_sensor_get_reporting_interval()
445 if (st->poll.units == 0) in hid_sensor_get_reporting_interval()
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/linux/include/trace/events/
A Dscmi.h12 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)
/linux/arch/arm/boot/dts/
A Dat91-natte.dtsi74 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>;
/linux/drivers/input/misc/
A Dwm831x-on.c45 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()
/linux/Documentation/translations/zh_CN/accounting/
A Dpsi.rst63 用户可注册触发器，通过poll()监控资源压力是否超过门限。
69 所打开的文件描述符用于等待事件，可使用select()、poll()、epoll()。
102 #include <poll.h>
128 n = poll(&fds, 1, -1);
130 printf("poll error: %s\n", strerror(errno));
/linux/drivers/dma-buf/
A Ddma-buf.c200 struct dma_buf *dmabuf = container_of(dcb->poll, struct dma_buf, poll); in dma_buf_poll_cb()
203 spin_lock_irqsave(&dcb->poll->lock, flags); in dma_buf_poll_cb()
204 wake_up_locked_poll(dcb->poll, dcb->active); in dma_buf_poll_cb()
242 poll_wait(file, &dmabuf->poll, poll); in dma_buf_poll()
254 spin_lock_irq(&dmabuf->poll.lock); in dma_buf_poll()
259 spin_unlock_irq(&dmabuf->poll.lock); in dma_buf_poll()
277 spin_lock_irq(&dmabuf->poll.lock); in dma_buf_poll()
282 spin_unlock_irq(&dmabuf->poll.lock); in dma_buf_poll()
405 .poll = dma_buf_poll,
538 init_waitqueue_head(&dmabuf->poll); in dma_buf_export()
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/linux/kernel/
A Dutsname_sysctl.c63 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()
/linux/drivers/vhost/
A Dvhost.c157 struct vhost_poll *poll; in vhost_poll_func() local
160 poll->wqh = wqh; in vhost_poll_func()
194 poll->mask = mask; in vhost_poll_init()
195 poll->dev = dev; in vhost_poll_init()
196 poll->wqh = NULL; in vhost_poll_init()
208 if (poll->wqh) in vhost_poll_start()
215 vhost_poll_stop(poll); in vhost_poll_start()
227 if (poll->wqh) { in vhost_poll_stop()
228 remove_wait_queue(poll->wqh, &poll->wait); in vhost_poll_stop()
229 poll->wqh = NULL; in vhost_poll_stop()
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A Dvhost.h43 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);
84 struct vhost_poll poll; member
A Dnet.c406 vhost_poll_queue(&vq->poll); in vhost_zerocopy_callback()
427 struct vhost_poll *poll = n->poll + (nvq - n->vqs); in vhost_net_disable_vq() local
430 vhost_poll_stop(poll); in vhost_net_disable_vq()
438 struct vhost_poll *poll = n->poll + (nvq - n->vqs); in vhost_net_enable_vq() local
511 vhost_poll_queue(&vq->poll); in vhost_net_busy_poll_try_queue()
514 vhost_poll_queue(&vq->poll); in vhost_net_busy_poll_try_queue()
798 vhost_poll_queue(&vq->poll); in handle_tx_copy()
892 vhost_poll_queue(&vq->poll); in handle_tx_zerocopy()
1245 vhost_poll_queue(&vq->poll); in handle_rx()
1256 poll.work); in handle_tx_kick()
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/linux/drivers/input/
A Dinput-poller.c16 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,
/linux/tools/testing/selftests/powerpc/nx-gzip/
A Dgzip_vas.c137 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()
/linux/drivers/isdn/mISDN/
A Ddsp_core.c167 static int poll; variable
1126 dsp_poll = poll; in dsp_init()
1140 dsp_tics = poll * HZ / 8000; in dsp_init()
1144 "%d HZ.\n", poll, HZ); in dsp_init()
1149 poll = 8; in dsp_init()
1150 while (poll <= MAX_POLL) { in dsp_init()
1151 tics = (poll * HZ) / 8000; in dsp_init()
1152 if (tics * 8000 == poll * HZ) { in dsp_init()
1154 dsp_poll = poll; in dsp_init()
1155 if (poll >= 64) in dsp_init()
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/linux/include/linux/
A Dsysctl.h103 static inline void *proc_sys_poll_event(struct ctl_table_poll *poll) in proc_sys_poll_event() argument
105 return (void *)(unsigned long)atomic_read(&poll->event); in proc_sys_poll_event()
123 struct ctl_table_poll *poll; member
181 void proc_sys_poll_notify(struct ctl_table_poll *poll);
/linux/drivers/media/mc/
A Dmc-devnode.c95 struct poll_table_struct *poll) in media_poll() argument
101 if (!devnode->fops->poll) in media_poll()
103 return devnode->fops->poll(filp, poll); in media_poll()
207 .poll = media_poll,
/linux/drivers/pci/hotplug/
A Dcpcihp_zt5550.c42 static bool poll; variable
201 if (!poll) { in zt5550_hc_init_one()
308 module_param(poll, bool, 0644);
309 MODULE_PARM_DESC(poll, "#ENUM polling mode enabled or not");
/linux/drivers/firmware/arm_scmi/
A Dperf.c437 u32 domain, u32 level, bool poll) in scmi_perf_mb_level_set() argument
447 t->hdr.poll_completion = poll; in scmi_perf_mb_level_set()
459 u32 domain, u32 level, bool poll) in scmi_perf_level_set() argument
470 return scmi_perf_mb_level_set(ph, domain, level, poll); in scmi_perf_level_set()
474 u32 domain, u32 *level, bool poll) in scmi_perf_mb_level_get() argument
484 t->hdr.poll_completion = poll; in scmi_perf_mb_level_get()
496 u32 domain, u32 *level, bool poll) in scmi_perf_level_get() argument
506 return scmi_perf_mb_level_get(ph, domain, level, poll); in scmi_perf_level_get()
689 unsigned long freq, bool poll) in scmi_dvfs_freq_set() argument
698 unsigned long *freq, bool poll) in scmi_dvfs_freq_get() argument
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/linux/drivers/comedi/drivers/
A Dpcl816.c456 unsigned int poll; in pcl816_ai_poll() local
461 poll = comedi_isadma_poll(dma); in pcl816_ai_poll()
462 poll = comedi_bytes_to_samples(s, poll); in pcl816_ai_poll()
463 if (poll > devpriv->ai_poll_ptr) { in pcl816_ai_poll()
467 poll - devpriv->ai_poll_ptr); in pcl816_ai_poll()
469 devpriv->ai_poll_ptr = poll; in pcl816_ai_poll()
642 s->poll = pcl816_ai_poll; in pcl816_attach()
/linux/fs/
A Dio_uring.c5347 add_wait_queue(poll->head, &poll->wait); in io_poll_rewait()
5376 if (poll && poll->head) { in io_poll_remove_double()
5434 add_wait_queue(req->poll.head, &req->poll.wait); in io_poll_task_func()
5460 return poll->wait.func(&poll->wait, mode, sync, key); in io_poll_double_wake()
5476 poll->wait.func(&poll->wait, mode, sync, key); in io_poll_double_wake()
5526 poll = kmalloc(sizeof(*poll), GFP_ATOMIC); in __io_queue_proc()
5527 if (!poll) { in __io_queue_proc()
5585 struct io_poll_iocb *poll = &req->apoll->poll; in io_async_wake() local
5847 struct io_poll_iocb *poll = &req->poll; in io_poll_wake() local
5862 struct io_poll_iocb *poll = &req->poll; in io_poll_add_prep() local
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