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Searched refs:poll (Results 1 – 25 of 1070) sorted by relevance

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/linux/io_uring/
A Dpoll.c118 return &req->apoll->poll; in io_poll_get_single()
174 poll->head = NULL; in io_init_poll_iocb()
189 poll->head = NULL; in io_poll_remove_entry()
370 struct io_poll *poll; in io_poll_task_func() local
456 poll->head = NULL; in io_poll_wake()
519 poll = kmalloc(sizeof(*poll), GFP_ATOMIC); in __io_queue_proc()
520 if (!poll) { in __io_queue_proc()
530 kfree(poll); in __io_queue_proc()
533 *poll_ptr = poll; in __io_queue_proc()
540 poll->head = head; in __io_queue_proc()
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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()
717 if (poll) { in vcs_poll()
744 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/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/include/trace/events/
A Dscmi.h39 bool poll),
40 TP_ARGS(transfer_id, msg_id, protocol_id, seq, poll),
47 __field(bool, poll)
55 __entry->poll = poll;
60 __entry->transfer_id, __entry->poll)
65 u32 timeout, bool poll),
66 TP_ARGS(transfer_id, msg_id, protocol_id, seq, timeout, poll),
74 __field(bool, poll)
83 __entry->poll = poll;
88 __entry->transfer_id, __entry->timeout, __entry->poll)
/linux/Documentation/devicetree/bindings/serial/
A Dpl011.yaml78 auto-poll:
83 poll-rate-ms:
85 Rate at which poll occurs when auto-poll is set.
89 poll-timeout-ms:
91 Poll timeout when auto-poll is set, default
110 poll-rate-ms: [ auto-poll ]
111 poll-timeout-ms: [ auto-poll ]
/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/arch/arm/boot/dts/microchip/
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/sound/core/
A Dmisc.c92 int poll; member
110 kill_fasync(&fasync->fasync, fasync->signal, fasync->poll); in snd_fasync_work_fn()
147 void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll) in snd_kill_fasync() argument
155 fasync->poll = poll; in snd_kill_fasync()
/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/kernel/
A Dutsname_sysctl.c65 proc_sys_poll_notify(table->poll); in proc_do_uts_string()
113 .poll = &hostname_poll,
121 .poll = &domainname_poll,
134 proc_sys_poll_notify(table->poll); in uts_proc_notify()
/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/Documentation/networking/
A Dnapi.rst16 interrupts first (:ref:`busy polling<poll>`).
29 and the associated poll method. struct napi_struct holds the state
45 A disabled NAPI can't be scheduled and its poll method is guaranteed
57 napi_schedule() is the basic method of scheduling a NAPI poll.
62 Later, after NAPI is scheduled, the driver's poll method will be
79 The poll method returns the amount of work done. If the driver still
81 the poll method should return exactly ``budget``. In that case,
86 processed) the poll method should call napi_complete_done()
106 it's not guaranteed that the poll method will be called, even
111 to be released, not for the poll method to exit. This means that
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/linux/drivers/dma-buf/
A Ddma-buf.c222 struct dma_buf *dmabuf = container_of(dcb->poll, struct dma_buf, poll); in dma_buf_poll_cb()
225 spin_lock_irqsave(&dcb->poll->lock, flags); in dma_buf_poll_cb()
226 wake_up_locked_poll(dcb->poll, dcb->active); in dma_buf_poll_cb()
265 poll_wait(file, &dmabuf->poll, poll); 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()
300 spin_lock_irq(&dmabuf->poll.lock); in dma_buf_poll()
305 spin_unlock_irq(&dmabuf->poll.lock); in dma_buf_poll()
529 .poll = dma_buf_poll,
671 init_waitqueue_head(&dmabuf->poll); in dma_buf_export()
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/linux/drivers/vhost/
A Dvhost.c160 poll->wqh = wqh; in vhost_poll_func()
195 poll->mask = mask; in vhost_poll_init()
196 poll->dev = dev; in vhost_poll_init()
197 poll->wqh = NULL; in vhost_poll_init()
198 poll->vq = vq; in vhost_poll_init()
210 if (poll->wqh) in vhost_poll_start()
217 vhost_poll_stop(poll); in vhost_poll_start()
229 if (poll->wqh) { in vhost_poll_stop()
230 remove_wait_queue(poll->wqh, &poll->wait); in vhost_poll_stop()
231 poll->wqh = NULL; in vhost_poll_stop()
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A Dnet.c406 vhost_poll_queue(&vq->poll); in vhost_zerocopy_complete()
431 struct vhost_poll *poll = n->poll + (nvq - n->vqs); in vhost_net_disable_vq() local
434 vhost_poll_stop(poll); in vhost_net_disable_vq()
442 struct vhost_poll *poll = n->poll + (nvq - n->vqs); in vhost_net_enable_vq() local
516 vhost_poll_queue(&vq->poll); in vhost_net_busy_poll_try_queue()
519 vhost_poll_queue(&vq->poll); in vhost_net_busy_poll_try_queue()
773 vhost_poll_queue(&vq->poll); in handle_tx_copy()
867 vhost_poll_queue(&vq->poll); in handle_tx_zerocopy()
1225 vhost_poll_queue(&vq->poll); in handle_rx()
1236 poll.work); in handle_tx_kick()
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/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()
206 .poll = media_poll,
/linux/drivers/isdn/mISDN/
A Ddsp_core.c167 static int poll; variable
1127 dsp_poll = poll; in dsp_init()
1141 dsp_tics = poll * HZ / 8000; in dsp_init()
1145 "%d HZ.\n", poll, HZ); in dsp_init()
1150 poll = 8; in dsp_init()
1151 while (poll <= MAX_POLL) { in dsp_init()
1152 tics = (poll * HZ) / 8000; in dsp_init()
1153 if (tics * 8000 == poll * HZ) { in dsp_init()
1155 dsp_poll = poll; in dsp_init()
1156 if (poll >= 64) in dsp_init()
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/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/include/linux/
A Dsysctl.h122 static inline void *proc_sys_poll_event(struct ctl_table_poll *poll) in proc_sys_poll_event() argument
124 return (void *)(unsigned long)atomic_read(&poll->event); in proc_sys_poll_event()
141 struct ctl_table_poll *poll; member
217 void proc_sys_poll_notify(struct ctl_table_poll *poll);
/linux/drivers/firmware/arm_scmi/
A Dperf.c692 u32 domain, u32 level, bool poll) in scmi_perf_msg_level_set() argument
702 t->hdr.poll_completion = poll; in scmi_perf_msg_level_set()
715 bool poll) in __scmi_perf_level_set() argument
731 u32 domain, u32 level, bool poll) in scmi_perf_level_set() argument
756 u32 domain, u32 *level, bool poll) in scmi_perf_msg_level_get() argument
766 t->hdr.poll_completion = poll; in scmi_perf_msg_level_get()
779 bool poll) in __scmi_perf_level_get() argument
792 u32 domain, u32 *level, bool poll) in scmi_perf_level_get() argument
801 ret = __scmi_perf_level_get(ph, dom, level, poll); in scmi_perf_level_get()
946 unsigned long freq, bool poll) in scmi_dvfs_freq_set() argument
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