Keywords - P

· ! · 0 · A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z ·

P_NOWAIT

· Starting a process with the exec() and spawn() calls · Starting a process with the fork() call ·

P_NOWAITO

· Starting a process with the exec() and spawn() calls ·

P_OVERLAY

· Starting a process with the exec() and spawn() calls ·

P_WAIT

· Starting a process with the exec() and spawn() calls ·

PATH

· Starting a process with the exec() and spawn() calls ·

pathname

pollution

· Finding the server's ND/PID/CHID ·

registering

· The resource manager's view ·

resolving

· Finding the server ·

pathname delimiter in QNX documentation

· Note to Windows users ·

pathname space

· Finding the server ·

and procnto

· Finding the server ·

defined

· Finding the server ·

PDP-8

and Neutrino

· Glossary ·

defined

· Glossary ·

periodic timer

· Types of timers · What kind of timer? ·

example

· What kind of timer? ·

power saving

· Summary ·

server maintenance

· Periodic server maintenance cycles ·

servers

· A server with periodic pulses ·

See also repeating timer

philosophy of Neutrino

· The philosophy of Neutrino ·

physical address

defined

· Glossary ·

pidin

· A few examples · Message passing and client/server ·

platforms

PDP-8

· Glossary ·

polling

for completion of thread

· Kernel timeouts with pthread_join() ·

timer

· Periodic server maintenance cycles ·

pool, threads

See thread

POOL_FLAG_EXIT_SELF

· Controlling the number of threads ·

POOL_FLAG_USE_SELF

· Controlling the number of threads ·

POSIX

signals

· Timers delivering signals ·

POSIX thread

See thread

_POSIX_DEVDIR_FROM

· io_devctl() ·

_POSIX_DEVDIR_TO

· io_devctl() ·

power saving

· Summary ·

pread()

· Step 2 ·

printf()

· Starting a process with the fork() call ·

priority

boosting

· Priority inheritance ·

inversion

· Priority inheritance ·

message passing

· What about priorities? ·

thread analogy

· Priorities ·

priority inheritance

· Priority inheritance ·

undoing

· So what's the trick? ·

priority inversion

· Priority inheritance ·

defined

· Priority inheritance ·

example

· Priority inheritance ·

fixed by priority inheritance

· Priority inheritance ·

solution

· Priority inheritance ·

starving CPU

· Priority inheritance ·

process

abstraction

· Multiple processes ·

aid to maintainability

· Why processes? ·

aid to reliability

· Why processes? ·

and threads

· Multiple threads ·

associating with interrupt handler

· The flags parameter ·

background

· Starting a process from the command line ·

child

· Starting a process with the fork() call ·

consisting of threads

· Threads and processes ·

context-switch

· Why processes? ·

coupling

· Multiple processes · Multiple processes with shared memory · Multiple threads ·

creating

· Starting a process from within a program · Starting a process with the exec() and spawn() calls · Starting a process with the fork() call · Starting a process with the system() call ·

creating from program

· Starting a process from within a program ·

exec() family

· Starting a process from within a program · Starting a process with the exec() and spawn() calls ·

fork()

· Starting a process from within a program · Starting a process with the fork() call ·

spawn() family

· Starting a process from within a program · Starting a process with the exec() and spawn() calls ·

system()

· Starting a process from within a program · Starting a process with the system() call ·

vfork()

· Starting a process from within a program · Starting a process with the vfork() call ·

decoupling

· Comparisons ·

decoupling of design

· Why processes? ·

defined

· Glossary ·

distributability

· Comparisons ·

fork()

· Starting a process with the fork() call ·

in system

· Threads and processes ·

multi-threaded

· Multi threaded ·

mutex

· Additional Neutrino services ·

network distributed

· Comparisons ·

parent

· Starting a process with the fork() call ·

scalability

· Comparisons ·

shared memory

· Multiple processes with shared memory ·

single-threaded

· Single threaded ·

starting

· Starting a process ·

starting from shell

· Starting a process from the command line ·

thread

· Multiple processes with shared memory · Process and thread fundamentals ·

process ID

· Establishing a connection ·

getppid()

· Finding the server's ND/PID/CHID ·

how to find

· Finding the server's ND/PID/CHID ·

message passing

· Finding the server's ND/PID/CHID ·

process manager

· Finding the process manager ·

process IDs

See PIDs

process manager

channel ID

· Finding the process manager ·

finding

· Finding the process manager ·

node descriptor

· Finding the process manager ·

process ID

· Finding the process manager ·

processing interrupts

· Telling a thread to do something ·

procnto

· Finding the server · Message passing and client/server ·

producer

and consumer

· Sleepon locks ·

state analysis

· Sleepon locks ·

and consumer using condvars

example

· Condition variables ·

pthread_atfork()

· Process creation and threads · So what should you use? ·

pthread_attr_destroy()

· The thread attributes structure · Thread attribute administration ·

pthread_attr_getdetachstate()

· The thread attributes structure ·

pthread_attr_getguardsize()

· The thread attributes structure ·

pthread_attr_getinheritsched()

· The thread attributes structure ·

pthread_attr_getschedparam()

· The thread attributes structure ·

pthread_attr_getschedpolicy()

· The thread attributes structure ·

pthread_attr_getscope()

· The thread attributes structure ·

pthread_attr_getstackaddr()

· The thread attributes structure ·

pthread_attr_getstacklazy()

· The thread attributes structure ·

pthread_attr_getstacksize()

· The thread attributes structure ·

pthread_attr_init()

· The thread attributes structure · Thread attribute administration ·

pthread_attr_set() family

· The thread attributes structure ·

pthread_attr_setdetachstate()

· The “flags” thread attribute · The thread attributes structure ·

pthread_attr_setguardsize()

· The thread attributes structure ·

pthread_attr_setinheritsched()

· The “flags” thread attribute · The “scheduling” thread attributes · The thread attributes structure ·

pthread_attr_setschedparam()

· The “flags” thread attribute · The “scheduling” thread attributes · The thread attributes structure ·

pthread_attr_setschedpolicy()

· The “flags” thread attribute · The “scheduling” thread attributes · The thread attributes structure ·

pthread_attr_setscope()

· The “flags” thread attribute · The thread attributes structure ·

pthread_attr_setstackaddr()

· The thread attributes structure ·

pthread_attr_setstacklazy()

· The thread attributes structure ·

pthread_attr_setstacksize()

· The thread attributes structure ·

pthread_attr_t

· The thread attributes structure ·

defined

· The thread attributes structure ·

pthread_barrier_init()

· Using a barrier ·

example

· Using a barrier ·

pthread_barrier_wait()

· Glossary · Synchronizing to the termination of a thread · Using a barrier ·

example

· Using a barrier ·

pthread_cancel()

· Rescheduling — kernel calls · What about the other versions? ·

pthread_cond_broadcast()

· Signal versus broadcast ·

pthread_cond_signal()

· Condition variables · Signal versus broadcast ·

example

· Condition variables ·

pthread_cond_t

· Condition variables ·

pthread_cond_wait()

· Condition variables · Sleepons versus condvars ·

example

· Condition variables ·

pthread_create()

· A few examples · Joining · Process creation and threads · Starting a thread · The thread attributes structure · Thread support ·

example

· A few examples · Condition variables · Threads in mathematical operations · Using a barrier ·

PTHREAD_EXPLICIT_SCHED

· The “scheduling” thread attributes ·

pthread_join()

· Joining · Kernel timeouts · Kernel timeouts with pthread_join() · Rescheduling — kernel calls · Synchronizing to the termination of a thread · The “flags” thread attribute · Using a barrier ·

example

· Joining · Kernel timeouts with pthread_join() ·

explanation

· Joining ·

non-blocking

· Kernel timeouts with pthread_join() ·

timeout

· Kernel timeouts with pthread_join() ·

with timeout

· Kernel timeouts with pthread_join() ·

pthread_mutex_lock()

· Additional Neutrino services · Condition variables · Thread support ·

example

· Condition variables ·

pthread_mutex_timedlock()

· CLOCK_MONOTONIC · Other clock sources ·

pthread_mutex_unlock()

· Additional Neutrino services · Condition variables ·

example

· Condition variables ·

pthread_rwlock_destroy()

· Readers/writer locks ·

pthread_rwlock_init()

· Readers/writer locks ·

pthread_rwlock_rdlock()

· Readers/writer locks ·

pthread_rwlock_t

· Readers/writer locks ·

pthread_rwlock_tryrdlock()

· Readers/writer locks ·

pthread_rwlock_unlock()

· Readers/writer locks ·

pthread_rwlock_wrlock()

· Readers/writer locks ·

pthread_rwlockattr_destroy()

· Readers/writer locks ·

pthread_rwlockattr_getpshared()

· Readers/writer locks ·

pthread_rwlockattr_init()

· Readers/writer locks ·

pthread_rwlockattr_setpshared()

· Readers/writer locks ·

pthread_setschedparam()

· Priorities · So what's the trick? ·

pthread_sleepon_broadcast()

· Signal versus broadcast · Sleepon locks ·

pthread_sleepon_lock()

· Condition variables · Sleepon locks ·

example

· Sleepon locks ·

pthread_sleepon_signal()

· Condition variables · Signal versus broadcast · Sleepon locks ·

example

· Sleepon locks ·

pthread_sleepon_unlock()

· Condition variables · Sleepon locks ·

example

· Sleepon locks ·

pthread_sleepon_wait()

· Condition variables · Sleepon locks ·

example

· Sleepon locks ·

PTHREAD_STACK_LAZY

· The “stack” thread attributes ·

PTHREAD_STACK_NOTLAZY

· The “stack” thread attributes ·

pthread_t

· Joining · Starting a thread ·

pthreads, defined

· Glossary ·

pulse

content

· What's in a pulse? ·

defined

· Glossary · Pulses ·

example

· gotAMessage() · gotAPulse() · main() · Receiving a pulse message · Server-maintained timeouts · setupPulseAndTimer() ·

excluding messages

· The MsgReceivePulse() function ·

functions

pulse_attach()

· The other_func message handler ·

how to tell from messages

· Notes ·

MsgReceive()

· Receiving a pulse message ·

MsgReceivePulse()

· Receiving a pulse message ·

payload content

· What's in a pulse? ·

POSIX

· setupPulseAndTimer() ·

_PULSE_CODE_UNBLOCK

· What's in a pulse? ·

range of code member

· What's in a pulse? ·

receiving

· Receiving a pulse message ·

receiving pulses only

· The MsgReceivePulse() function ·

special

· Kernel timeouts with message passing ·

struct sigevent

· Summary ·

synthetic unblock

· _NTO_CHF_UNBLOCK ·

timeout example

· gotAMessage() · gotAPulse() · main() · Server-maintained timeouts · setupPulseAndTimer() ·

timers

· Notification schemes ·

using the code member

· What's in a pulse? ·

using the value member

· What's in a pulse? ·

versus signals

· Signal notification ·

pulse_attach()

· The base layer · The other_func message handler ·

_PULSE_CODE_UNBLOCK

· What's in a pulse? ·

pulse_detach()

· The base layer ·

· ! · 0 · A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z ·