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/linux-6.14.4/tools/testing/selftests/ftrace/test.d/trigger/
Dtrigger-hist-poll.tc3 # description: event trigger - test poll wait on histogram
7 POLL=${FTRACETEST_ROOT}/poll
9 if [ ! -x ${POLL} ]; then
10 echo "poll program is not compiled!"
16 # Check poll ops is supported. Before implementing poll on hist file, it
21 ${POLL} -I -t 1000 ${EVENT}/hist
25 echo "poll on hist file is not supported"
37 # if timeout happens, poll returns 1.
38 ${POLL} -I -t 4000 ${EVENT}/hist
42 echo "poll exits too soon"
[all …]
/linux-6.14.4/io_uring/
Dpoll.c8 #include <linux/poll.h>
22 #include "poll.h"
40 /* output value, set only if arm poll returns >0 */
92 * arming poll and wakeups.
108 /* pure poll stashes this in ->async_data, poll driven retry elsewhere */ in io_poll_get_double()
118 return &req->apoll->poll; in io_poll_get_single()
131 static void io_init_poll_iocb(struct io_poll *poll, __poll_t events) in io_init_poll_iocb() argument
133 poll->head = NULL; in io_init_poll_iocb()
136 poll->events = events | IO_POLL_UNMASK; in io_init_poll_iocb()
137 INIT_LIST_HEAD(&poll->wait.entry); in io_init_poll_iocb()
[all …]
/linux-6.14.4/Documentation/userspace-api/media/v4l/
Dfunc-poll.rst4 .. _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 …]
/linux-6.14.4/drivers/tty/vt/
Dvc_screen.c44 #include <linux/poll.h>
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
[all …]
/linux-6.14.4/Documentation/devicetree/bindings/serial/
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-6.14.4/Documentation/userspace-api/media/mediactl/
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-6.14.4/arch/um/os-Linux/
Dsigio.c9 #include <poll.h>
38 struct pollfd *poll; member
62 n = poll(fds->poll, fds->used, -1); in write_sigio_thread()
66 printk(UM_KERN_ERR "write_sigio_thread : poll returned " in write_sigio_thread()
70 p = &fds->poll[i]; in write_sigio_thread()
89 memmove(&fds->poll[i], &fds->poll[i + 1], in write_sigio_thread()
90 (fds->used - i) * sizeof(*fds->poll)); in write_sigio_thread()
118 memcpy(new, polls->poll, polls->used * sizeof(struct pollfd)); in need_poll()
119 kfree(polls->poll); in need_poll()
121 polls->poll = new; in need_poll()
[all …]
/linux-6.14.4/include/trace/events/
Dscmi.h39 bool poll),
40 TP_ARGS(transfer_id, msg_id, protocol_id, seq, poll),
47 __field(bool, poll)
55 __entry->poll = poll;
58 TP_printk("pt=%02X msg_id=%02X seq=%04X transfer_id=%X poll=%u",
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;
[all …]
/linux-6.14.4/Documentation/userspace-api/media/cec/
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-6.14.4/include/linux/
Dpoll.h12 #include <uapi/linux/poll.h>
29 * structures and helpers for f_op->poll implementations
57 * Return the set of events that the application wants to poll for.
59 * to be started implicitly on poll(). You typically only want to do that
75 return file->f_op->poll; in file_can_poll()
80 if (unlikely(!file->f_op->poll)) in vfs_poll()
82 return file->f_op->poll(file, pt); in vfs_poll()
93 * Structures and helpers for select/poll syscall
123 #define M(X) __MAP(v, (__force __u16)EPOLL##X, POLL##X) in mangle_poll()
132 #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X) in demangle_poll()
Diopoll.h17 * read_poll_timeout - Periodically poll an address until a condition is
27 * @args: arguments for @op poll
62 * read_poll_timeout_atomic - Periodically poll an address until a condition is
72 * @args: arguments for @op poll
117 * readx_poll_timeout - Periodically poll an address until a condition is met or a timeout occurs
119 * @addr: Address to poll
138 …* readx_poll_timeout_atomic - Periodically poll an address until a condition is met or a timeout o…
140 * @addr: Address to poll
/linux-6.14.4/Documentation/networking/
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
69 packets driver can process in a single poll. Rx specific APIs like page
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()
104 of calls. The poll method may be called without the driver scheduling
[all …]
/linux-6.14.4/tools/testing/selftests/ftrace/
Dpoll.c3 * Simple poll on a file.
10 #include <poll.h>
20 * poll [-I|-P] [-t timeout] FILE
58 /* Reset poll by read if POLLIN is specified. */ in main()
62 ret = poll(&pfd, 1, timeout); in main()
64 perror("poll"); in main()
/linux-6.14.4/drivers/iio/common/hid-sensors/
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()
187 if (st->poll.units == HID_USAGE_SENSOR_UNITS_MILLISECOND) in hid_sensor_read_samp_freq_value()
189 else if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND) in hid_sensor_read_samp_freq_value()
212 if (st->poll.units == HID_USAGE_SENSOR_UNITS_MILLISECOND) in hid_sensor_write_samp_freq_value()
214 else if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND) in hid_sensor_write_samp_freq_value()
219 ret = sensor_hub_set_feature(st->hsdev, st->poll.report_id, in hid_sensor_write_samp_freq_value()
[all …]
/linux-6.14.4/tools/testing/selftests/pidfd/
Dpidfd_poll_test.c6 #include <poll.h>
44 ksft_print_msg("running pidfd poll test for %d iterations\n", in main()
86 nevents = poll(&fds, 1, -1); in main()
90 ksft_exit_fail_msg("%s - poll failed\n", in main()
94 ksft_exit_fail_msg("unexpected poll result: %d\n", in main()
114 ksft_test_result_pass("pidfd poll test: pass\n"); in main()
/linux-6.14.4/arch/arm/boot/dts/microchip/
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-6.14.4/drivers/staging/gpib/include/
Dgpib_types.h113 /* configure parallel poll */
115 /* conduct parallel poll */
119 /* select local parallel poll configuration mode PP2 versus remote PP1 */
140 /* Sets the byte the board should send in response to a serial poll.
148 * This method should implement the serial poll response method described
153 /* Sets the byte the board should send in response to a serial poll.
161 * This method implements the serial poll response method described
169 /* returns the byte the board will send in response to a serial poll.
276 /* board's parallel poll configuration byte */
299 /* one means local parallel poll mode ieee 488.1 PP2 (or no parallel poll PP0),
[all …]
Dnec7210_registers.h28 SPMR, // serial poll mode
43 SPSR, // serial poll status
101 // SPSR, serial poll status register
106 // SPMR, serial poll mode register
184 // parallel poll register
193 AUX_CPPF = 0x1, /* Clear Parallel Poll Flag */
200 AUX_SPPF = 0x9, /* Set Parallel Poll Flag */
212 AUX_EPP = 0x1d, /* Execute Parallel Poll */
/linux-6.14.4/lib/
Dstmp_device.c22 * Clear the bit and poll it cleared. This is usually called with
43 /* clear and poll SFTRST */ in stmp_reset_block()
55 /* poll CLKGATE becoming set */ in stmp_reset_block()
61 /* clear and poll SFTRST */ in stmp_reset_block()
66 /* clear and poll CLKGATE */ in stmp_reset_block()
Dirq_poll.c3 * Functions related to interrupt-poll handling in the block layer. This
24 * Add this irq_poll structure to the pending poll list and trigger the
102 * entries to the tail of this list, and only ->poll() in irq_poll_softirq()
110 work = iop->poll(iop, weight); in irq_poll_softirq()
184 iop->poll = poll_fn; in irq_poll_init()
192 * set the POLL softirq bit. The local_bh_disable()/enable() pair in irq_poll_cpu_dead()
194 * reach idle with the POLL softirq pending. in irq_poll_cpu_dead()
/linux-6.14.4/drivers/cpuidle/governors/
Dhaltpoll.c39 /* allow shrinking guest halt poll */
63 /* Last state was poll? */ in haltpoll_select()
65 /* Halt if no event occurred on poll window */ in haltpoll_select()
70 /* Otherwise, poll again */ in haltpoll_select()
75 /* Last state was halt: poll */ in haltpoll_select()
116 * haltpoll_reflect - update variables and update poll time
/linux-6.14.4/drivers/input/misc/
Dwm831x-on.c38 * then need to poll to see when the pin is deasserted.
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()
/linux-6.14.4/tools/leds/
Dled_hw_brightness_mon.c17 #include <poll.h>
50 * but it is required to avoid spurious poll notifications in in main()
59 ret = poll(&pollfd, 1, -1); in main()
61 printf("Failed to poll %s file (%d)\n", in main()
/linux-6.14.4/tools/testing/selftests/cgroup/
Dwait_inotify.c13 #include <poll.h>
62 * poll waiting loop in main()
65 int ret = poll(&fds, 1, 10000); in main()
70 perror("poll"); in main()
/linux-6.14.4/Documentation/devicetree/bindings/input/
Dclps711x-keypad.txt6 - poll-interval: Poll interval time in milliseconds.
17 poll-interval = <120>;

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