Keywords - I

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I/O Vector

See IOV

IBM PC

· Preface to the First Edition by Rob Krten ·

in*()

· ISR functions ·

in8()

· Using InterruptAttach() ·

inactivity shutdown

· Periodic server maintenance cycles ·

initializing

struct sigevent

· Kernel timeouts with pthread_join() ·

shortcut

· Kernel timeouts with pthread_join() ·

interrupt

10 millisecond

· Operating periodically ·

8259 chip

· Clearing the interrupt source ·

analogy

· Neutrino and interrupts ·

associated thread

· Clearing the interrupt source · Telling a thread to do something ·

associating with thread or process

· The flags parameter ·

attaching handler

· Attaching an interrupt handler · Attaching with InterruptAttach() ·

BSP specific

· Level-sensitivity versus edge-sensitivity ·

causes

· Neutrino and interrupts ·

chained

· Level-sensitivity versus edge-sensitivity ·

chaining

· The flags parameter · The trade-offs ·

clearing

· Clearing the interrupt source · Using InterruptAttachEvent() ·

clock

diagram

· Clock interrupt sources ·

complex

· Clearing the interrupt source ·

context switches

· InterruptAttach() versus InterruptAttachEvent() ·

defined

· Neutrino and interrupts ·

detach on death of thread or process

· Detaching an interrupt handler ·

disabling

· ISR functions · Neutrino and interrupts ·

cli

· Neutrino and interrupts ·

doing nothing in the ISR

· Neutrino and interrupts ·

doing the work in a thread

· Clearing the interrupt source ·

edge-sensitive

· Level-sensitivity versus edge-sensitivity ·

and cleanup

· Detaching an interrupt handler ·

diagram

· Level-sensitivity versus edge-sensitivity ·

problems

· Level-sensitivity versus edge-sensitivity ·

enabling

· ISR functions · Neutrino and interrupts ·

sti

· Neutrino and interrupts ·

end of interrupt (EOI)

· Level-sensitivity versus edge-sensitivity ·

environment

· ISR functions ·

EOI

· Level-sensitivity versus edge-sensitivity ·

ethernet device

· Level-sensitivity versus edge-sensitivity ·

events

· Telling a thread to do something ·

exit()

· Detaching an interrupt handler ·

filtering out unnecessary

· The trade-offs ·

floppy disk controller

· Clearing the interrupt source · Level-sensitivity versus edge-sensitivity ·

functions

InterruptAttach() diagram

· InterruptAttach() versus InterruptAttachEvent() ·

InterruptAttachEvent() diagram

· InterruptAttach() versus InterruptAttachEvent() ·

InterruptAttachEvent() example

· Using InterruptAttachEvent() ·

InterruptWait() example

· Using InterruptAttachEvent() ·

handlers

detaching

· Detaching an interrupt handler ·

detaching the last handler

· Detaching an interrupt handler ·

events

· Using InterruptAttach() ·

example

· Now that you've attached an interrupt · Using InterruptAttach() ·

goals

· ISR functions ·

safe functions

· ISR functions ·

volatile

· Using InterruptAttach() ·

handling

· Neutrino and interrupts ·

hardware

· Rescheduling — hardware interrupts ·

hardware acknowledgment

· Clearing the interrupt source ·

high frequency

· The trade-offs ·

ignoring

· Clearing the interrupt source ·

impact on scheduling

· Clearing the interrupt source ·

informing the kernel

· Neutrino and interrupts ·

interrupt identifier

· Using InterruptAttachEvent() ·

InterruptAttach()

· Attaching an interrupt handler ·

InterruptAttachEvent()

· Attaching an interrupt handler ·

InterruptAttachEvent() versus InterruptAttach()

· InterruptAttach() versus InterruptAttachEvent() · Using InterruptAttachEvent() ·

InterruptDetach()

· Detaching an interrupt handler ·

ISRs

· Interrupt service routine · Neutrino and interrupts ·

detaching

· Detaching an interrupt handler ·

detaching the last handler

· Detaching an interrupt handler ·

events

· Using InterruptAttach() ·

example

· Now that you've attached an interrupt · Using InterruptAttach() ·

goals

· ISR functions ·

pseudo-code example

· Telling a thread to do something ·

safe functions

· ISR functions ·

volatile

· Using InterruptAttach() ·

kernel

· InterruptAttach() versus InterruptAttachEvent() ·

kernel ISR for timer

· Operating periodically ·

latency

· Neutrino and interrupts ·

level-sensitive

· Level-sensitivity versus edge-sensitivity ·

and cleanup

· Detaching an interrupt handler ·

diagram

· Level-sensitivity versus edge-sensitivity ·

low frequency

· The trade-offs ·

managing

· Neutrino and interrupts ·

masking

· Clearing the interrupt source ·

masking after detaching

· Detaching an interrupt handler ·

masking on detach of last handler

· Detaching an interrupt handler ·

minimizing latency

· The trade-offs ·

minimizing time spent in

· Clearing the interrupt source ·

not clearing the source

· Clearing the interrupt source ·

_NTO_INTR_FLAGS_END

· The flags parameter ·

_NTO_INTR_FLAGS_PROCESS

· The flags parameter ·

_NTO_INTR_FLAGS_TRK_MSK

· The flags parameter ·

order of processing

· Level-sensitivity versus edge-sensitivity ·

permissions required

· Now that you've attached an interrupt ·

PIC

· Clearing the interrupt source · Level-sensitivity versus edge-sensitivity ·

edge-sensitive mode

· Level-sensitivity versus edge-sensitivity ·

edge-sensitive mode diagram

· Level-sensitivity versus edge-sensitivity ·

level-sensitive mode

· Level-sensitivity versus edge-sensitivity ·

level-sensitive mode diagram

· Level-sensitivity versus edge-sensitivity ·

priority

· Interrupt service routine ·

processing

· Telling a thread to do something ·

programmable interrupt controller

· Clearing the interrupt source ·

edge-sensitive mode

· Level-sensitivity versus edge-sensitivity ·

edge-sensitive mode diagram

· Level-sensitivity versus edge-sensitivity ·

level-sensitive mode

· Level-sensitivity versus edge-sensitivity ·

level-sensitive mode diagram

· Level-sensitivity versus edge-sensitivity ·

pulses

· Telling a thread to do something · The MsgReceivePulse() function ·

readying a thread

· Attaching with InterruptAttach() · Attaching with InterruptAttachEvent() · Clearing the interrupt source · InterruptAttach() versus InterruptAttachEvent() · Neutrino and interrupts · Telling a thread to do something · Using InterruptAttach() ·

realtime

· Neutrino and interrupts ·

realtime clock

· Rescheduling — hardware interrupts ·

relationship to thread

· Clearing the interrupt source ·

responsibilities

· Interrupt service routine ·

returning struct sigevent

· Using InterruptAttach() ·

role of ISR

· Clearing the interrupt source ·

scheduling

· Neutrino and interrupts · Operating periodically · Rescheduling — hardware interrupts · Scheduling and the real world ·

SCSI device

· Level-sensitivity versus edge-sensitivity ·

serial handler

· Clearing the interrupt source ·

servers

· Detaching an interrupt handler ·

sharing

· Level-sensitivity versus edge-sensitivity · Now that you've attached an interrupt ·

diagram

· Level-sensitivity versus edge-sensitivity ·

problem

· Level-sensitivity versus edge-sensitivity ·

problems

· Level-sensitivity versus edge-sensitivity ·

SIGEV_INTR

· How to fill in the struct sigevent · The trade-offs · Using InterruptAttachEvent() ·

SIGEV_SIGNAL

· Using InterruptAttachEvent() ·

SIGEV_THREAD

· Using InterruptAttachEvent() ·

signals

· Telling a thread to do something ·

SMP

· ISR functions · Things to watch out for when using SMP ·

source

· Clearing the interrupt source ·

specifying order

· The flags parameter ·

spending a long time in ISR

· Clearing the interrupt source ·

startup code

· Attaching an interrupt handler ·

struct sigevent

· Attaching with InterruptAttach() · Attaching with InterruptAttachEvent() · Telling a thread to do something · Using InterruptAttach() · Using InterruptAttachEvent() ·

tail-end polling

· Clearing the interrupt source ·

thread interaction

· ISR functions ·

thread-level interactions

· Using InterruptAttach() ·

threads

· Telling a thread to do something ·

timing

· Operating periodically ·

tracking mask/unmasks

· The flags parameter ·

unmasking

· Clearing the interrupt source ·

unmasking when attaching

· Now that you've attached an interrupt ·

unnecessary wakeups

diagram

· InterruptAttach() versus InterruptAttachEvent() ·

used for timing

· Operating periodically ·

used with timers

· Clock interrupt sources ·

using InterruptWait()

· Using InterruptAttachEvent() ·

volatile

· Summary · Using InterruptAttach() ·

waiting in thread

· Using InterruptAttachEvent() ·

waking up only when required

· InterruptAttach() versus InterruptAttachEvent() ·

waking up unnecessarily

· InterruptAttach() versus InterruptAttachEvent() ·

writing

· Writing interrupt handlers ·

interrupt service routine

defined

· Glossary ·

See also Interrupts

Interrupt() family

· ISR functions ·

InterruptAttach()

· Attaching an interrupt handler · Attaching with InterruptAttach() · InterruptAttach() versus InterruptAttachEvent() · Now that you've attached an interrupt · Summary · The flags parameter · The interrupt service routine · The trade-offs · Using InterruptAttachEvent() ·

diagram

· InterruptAttach() versus InterruptAttachEvent() ·

example

· Using InterruptAttach() ·

flags parameter

· The flags parameter ·

InterruptAttachEvent()

· Attaching an interrupt handler · Attaching with InterruptAttach() · Attaching with InterruptAttachEvent() · Interrupt service routines · InterruptAttach() versus InterruptAttachEvent() · ISR functions · Now that you've attached an interrupt · Summary · The flags parameter · The interrupt service routine · The trade-offs · Using InterruptAttachEvent() ·

diagram

· InterruptAttach() versus InterruptAttachEvent() ·

example

· Using InterruptAttachEvent() ·

flags parameter

· The flags parameter ·

pseudo-code

· InterruptAttach() versus InterruptAttachEvent() ·

returning interrupt identifier

· Using InterruptAttachEvent() ·

InterruptAttachEvent() versus InterruptAttach()

· InterruptAttach() versus InterruptAttachEvent() · Using InterruptAttachEvent() ·

InterruptDetach()

· Detaching an interrupt handler ·

example

· Detaching an interrupt handler ·

InterruptDisable()

· ISR functions · Neutrino and interrupts ·

InterruptEnable()

· ISR functions · Neutrino and interrupts ·

InterruptLock()

· Glossary · ISR functions · Neutrino and interrupts · Summary ·

InterruptMask()

· ISR functions ·

InterruptUnlock()

· Glossary · ISR functions · Neutrino and interrupts · Summary ·

InterruptUnmask()

· ISR functions ·

InterruptWait()

· Kernel states, the complete list · The trade-offs · Using InterruptAttachEvent() ·

and SIGEV_INTR

· The trade-offs · Using InterruptAttachEvent() ·

example

· Using InterruptAttachEvent() ·

_IO_CHMOD

· io_chmod() ·

io_chmod()

· io_chmod() ·

io_chmod_t

· io_chmod() · io_chown() ·

_IO_CHOWN

· io_chown() ·

io_chown()

· io_chown() ·

io_close()

· Locking, unlocking, and combine message handling ·

_IO_CLOSE_DUP

· io_close_dup() · The struct dirent structure and friends ·

io_close_dup()

· io_close_dup() · io_dup() ·

io_close_ocb()

· io_close_dup() · io_close_ocb() ·

io_close_t

· io_close_dup() · io_close_ocb() ·

_IO_CONNECT

· Client/Server using an I/O manager · io_link() · io_mknod() · io_mount() · io_open() · io_readlink() · io_rename() · io_unlink() · The struct dirent structure and friends ·

_IO_CONNECT_COMBINE

· io_open() ·

_IO_CONNECT_COMBINE_CLOSE

· io_open() · Messages that should be connect messages but aren't ·

_IO_CONNECT_LINK

· io_link() ·

_IO_CONNECT_MKNOD

· io_mknod() ·

_IO_CONNECT_MOUNT

· io_mount() ·

_IO_CONNECT_OPEN

· io_open() ·

_IO_CONNECT_READLINK

· io_readlink() ·

_IO_CONNECT_RENAME

· io_rename() ·

_IO_CONNECT_UNLINK

· io_unlink() ·

_IO_DEVCTL

· A simple io_devctl() example · io_devctl() · The other_func message handler ·

io_devctl()

· A simple io_devctl() example · An io_devctl() example that deals with data · io_devctl() · Putting in your own functions · Step 1 · Step 1 · Step 2 ·

io_devctl_t

· io_devctl() ·

_IO_DUP

· io_dup() ·

io_dup()

· io_dup() ·

io_dup_t

· io_dup() ·

_IO_FDINFO

· io_fdinfo() ·

io_fdinfo()

· io_fdinfo() ·

_IO_FLAG_RD

· The iofunc_ocb_t OCB structure ·

_IO_FLAG_WR

· The iofunc_ocb_t OCB structure ·

io_link()

· io_link() ·

io_link_extra_t

· io_link() ·

io_link_t

· io_link() ·

io_lock()

· io_lock() ·

io_lock_ocb()

· io_lock_ocb() · io_unlock_ocb() ·

io_lock_t

· io_lock() ·

_IO_LSEEK

· io_lseek() · The struct dirent structure and friends ·

io_lseek()

· io_lseek() · Offsets ·

io_lseek_t

· io_lseek() ·

io_mknod()

· io_mknod() ·

io_mknod_t

· io_mknod() ·

_IO_MMAP

· io_mmap() ·

io_mmap()

· io_mmap() ·

io_mmap_t

· io_mmap() · io_notify() ·

io_mount()

· io_mount() ·

io_mount_t

· io_mount() ·

_IO_MSG

· Client/server using the global namespace · io_msg() · The other_func message handler · Translating messages to devctl() or _IO_MSG ·

io_msg()

· io_msg() ·

io_msg_t

· io_msg() ·

_IO_NOTIFY

· io_notify() ·

io_notify()

· io_notify() ·

io_open()

· Alphabetical listing of connect and I/O functions · io_close_dup() · io_open() · io_openfd() · OCB monitor · Putting in your own functions · The general flow of a resource manager · The resmgr_context_t internal context block ·

io_open_default()

· Putting in your own functions ·

io_open_t

· io_open() · io_readlink() ·

_IO_OPENFD

· io_openfd() ·

io_openfd()

· io_openfd() ·

io_openfd_t

· io_openfd() ·

_IO_PATHCONF

· io_pathconf() ·

io_pathconf()

· io_pathconf() ·

io_pathconf_t

· io_pathconf() ·

io_power()

· io_power() ·

_IO_READ

· io_read() · Step 2 · The struct dirent structure and friends ·

io_read()

· A simple io_read() example · A simple io_write() example · Blocking within the resource manager · Data area size considerations · Effective use of other messaging functions · Generally speaking … · io_read() · Offsets · Putting in your own functions · Returning directory entries · Step 4 · Step 6 · Step 7 · The struct dirent structure and friends ·

example

· A simple io_read() example ·

io_read_t

· io_read() ·

io_readlink()

· io_readlink() ·

io_rename()

· io_rename() ·

io_rename_extra_t

· io_rename() ·

io_rename_t

· io_rename() ·

_IO_SET_CONNECT_RET

· io_mount() · io_open() ·

_IO_SET_FDINFO_LEN

· io_fdinfo() ·

_IO_SET_PATHCONF_VALUE

· io_pathconf() ·

_IO_SET_READ_NBYTES

· io_read() ·

_IO_SET_WRITE_NBYTES

· io_write() ·

_IO_SET_WRITE_NBYTES()

· Step 6 · Step 8 ·

io_shutdown()

· io_shutdown() ·

_IO_SPACE

· io_space() ·

io_space()

· io_space() ·

io_space_t

· io_space() ·

_IO_STAT

· io_stat() ·

io_stat()

· io_stat() · Step 6 ·

io_stat_t

· io_stat() ·

_IO_SYNC

· io_sync() ·

io_sync()

· io_sync() ·

io_sync_t

· io_sync() ·

io_unblock()

· Extending the OCB · io_unblock() [CONNECT] · io_unblock() [I/O] ·

io_unlink()

· io_unlink() ·

io_unlink_t

· io_unlink() ·

io_unlock_ocb()

· io_unlock_ocb() ·

_IO_UTIME

· io_utime() ·

io_utime()

· io_utime() ·

io_utime_t

· io_utime() ·

_IO_WRITE

· A simple io_write() example · io_write() ·

io_write()

· A simple io_write() example · Important note · io_read() · io_write() · Putting in your own functions · Step 4 ·

example

· A simple io_write() example ·

io_write_t

· io_write() ·

_IO_XTYPE_NONE

· Step 2 ·

_IO_XTYPE_OFFSET

· A simple io_write() example · io_read() · Step 2 · Step 7 · Step 7 ·

IOFUNC_ATTR_ATIME

· Step 6 · Step 7 ·

IOFUNC_ATTR_DIRTY_TIME

· Step 6 ·

iofunc_attr_init()

· The library really does what we just talked about ·

IOFUNC_ATTR_MTIME

· Step 7 ·

iofunc_attr_t

· POSIX-layer data structures · The iofunc_attr_t attributes structure ·

iofunc_chmod_default()

· io_chmod() ·

iofunc_chown()

· io_chown() ·

iofunc_chown_default()

· io_chown() ·

iofunc_close_dup()

· io_close_dup() ·

iofunc_close_dup_default()

· io_close_dup() ·

iofunc_close_ocb_default()

· io_close_ocb() ·

iofunc_devctl()

· io_devctl() ·

iofunc_devctl_default()

· io_devctl() · Step 1 ·

iofunc_func_init()

· Alphabetical listing of connect and I/O functions · Examples · Putting in your own functions · resmgr_connect_funcs_t connect table · resmgr_io_funcs_t I/O table · Step 1 · Step 2 · The library really does what we just talked about ·

iofunc_link()

· io_link() ·

iofunc_lock_default()

· io_lock() · The iofunc_attr_t attributes structure ·

iofunc_lock_ocb_default()

· io_lock_ocb() · Locking, unlocking, and combine message handling ·

iofunc_lseek()

· io_lseek() ·

iofunc_lseek_default()

· io_lseek() ·

iofunc_mknod()

· io_mknod() ·

iofunc_mmap()

· io_mmap() ·

iofunc_mmap_default()

· io_mmap() · The iofunc_attr_t attributes structure ·

IOFUNC_MOUNT_32BIT

· The iofunc_mount_t mount structure ·

IOFUNC_MOUNT_FLAGS_PRIVATE

· The iofunc_mount_t mount structure ·

iofunc_mount_t

· POSIX-layer data structures · The iofunc_attr_t attributes structure · The iofunc_mount_t mount structure ·

_IOFUNC_NFUNCS

· The iofunc_mount_t mount structure ·

iofunc_notify()

· io_notify() ·

iofunc_notify_remove()

· io_notify() ·

iofunc_notify_trigger()

· io_notify() ·

iofunc_ocb_attach()

· io_open() ·

iofunc_ocb_calloc()

· io_mmap() ·

IOFUNC_OCB_FLAGS_PRIVATE

· The iofunc_ocb_t OCB structure ·

IOFUNC_OCB_MMAP

· The iofunc_ocb_t OCB structure ·

IOFUNC_OCB_PRIVILEGED

· The iofunc_ocb_t OCB structure ·

IOFUNC_OCB_T

· Extending the OCB ·

iofunc_ocb_t

· POSIX-layer data structures · The iofunc_ocb_t OCB structure · The strange case of the offset member ·

iofunc_open()

· io_open() ·

iofunc_open_default()

· io_open() · Putting in your own functions ·

iofunc_openfd()

· io_openfd() ·

iofunc_openfd_default()

· io_openfd() ·

iofunc_pathconf()

· io_pathconf() ·

iofunc_pathconf_default()

· io_pathconf() ·

IOFUNC_PC_CHOWN_RESTRICTED

· io_chown() · The iofunc_mount_t mount structure ·

IOFUNC_PC_LINK_DIR

· The iofunc_mount_t mount structure ·

IOFUNC_PC_NO_TRUNC

· The iofunc_mount_t mount structure ·

IOFUNC_PC_SYNC_IO

· The iofunc_mount_t mount structure ·

iofunc_read_default()

· io_read() ·

iofunc_read_verify()

· A simple io_write() example · io_read() · Step 1 · Step 2 ·

iofunc_readlink()

· io_readlink() ·

iofunc_rename()

· io_rename() ·

iofunc_space_verify()

· io_space() ·

iofunc_stat()

· io_stat() ·

iofunc_stat_default()

· io_stat() · Step 6 ·

iofunc_sync()

· io_sync() ·

iofunc_sync_default()

· io_sync() ·

iofunc_sync_verify()

· io_read() · io_sync() · io_write() ·

iofunc_unblock()

· io_unblock() [CONNECT] · io_unblock() [I/O] ·

iofunc_unblock_default()

· io_unblock() [I/O] ·

iofunc_unlink()

· io_unlink() ·

iofunc_unlock_ocb_default()

· io_unlock_ocb() · Locking, unlocking, and combine message handling ·

iofunc_utime()

· io_utime() ·

iofunc_utime_default()

· io_utime() ·

iofunc_write_default()

· io_write() ·

iofunc_write_verify()

· A simple io_write() example · io_write() ·

_IOMGR_PRIVATE_BASE

· Translating messages to devctl() or _IO_MSG ·

_IOMGR_PRIVATE_MAX

· Translating messages to devctl() or _IO_MSG ·

IOV

defined

· Glossary ·

See Message passing

See also Message passing

iov_t

· Multipart messages ·

defined

· Multipart messages ·

ISR

See interrupt service routine

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