Index

Symbols

/dev/zero, mapping	98

A

address space of a process	92, 103
advisory locking	56
asynchronous I/O
.....behavior	111
.....endpoint service	140
.....guaranteeing buffer state	111
.....listen for network connection	142
.....making connection request	142
.....notification of data arrival	140
.....opening a file	143
.....using aio_result_t structure	111
.....waiting for completion	129
atomic updates to semaphores	76

B

blocking mode
.....defined	120
.....finite time quantum	116
.....opening a FIFO	135
.....priority inversion	120
.....time-sharing process	109
.....using the read() function	135
bounded	112
brk(2)	106

C

chmod(1)	62
class
.....definition	115
.....priority queue	118
.....scheduling algorithm	117
.....scheduling priorities	115
connectionless-mode
.....asynchronous network service	140
.....definition	139
connection-mode
.....asynchronous network service	141
.....asynchronously connecting	142
.....definition	139
.....using asynchronous connection	142
context switch
.....preempting a process	119
control
.....semaphore set	77
creat()	56
creation flags, IPC	67 to ??

D

dispatch
.....priorities	116
dispatch latency	112
.....under realtime	112
dispatch table
.....configuring	124
.....kernel	119

F

F_GETLK	59
fcntl(2)	56, 57
FIFO
.....using as byte stream	135
file and record locking	55 to ??
file descriptor
.....passing to another process	143
.....transferring	143
file system
.....contiguous	112
.....opening dynamically	143
.....using pipes	135
files
.....lock	55 to ??
.....memory-mapped,See mapped files
fork(2),?? to10
fsync(2)	93
functions
.....advanced I/O	53
.....basic I/O	52
.....IPC	65 to ??
.....list file system control	54
.....signals	17 to ??
.....terminal I/O	63
.....user processes	10

G

GETALL	81
GETNCNT	81
GETPID	80
GETVAL	80
GETZCNT	81

I

I/O,Seeasynchronous I/O, orsynchronous I/O
init(1M), scheduler properties	47
Interprocess Communication (IPC)
......administering	138
......creating pipes	134
......memory mapped files	137
......using fileless memory mapping	137
......using memory mapping	137
......using messages	135
......using named pipes	135
......using pipes	133
......using semaphores	136
......using shared memory	136
......using the open() call	135
IPC (interprocess communication)	65 to ??
......creation flags	67 to ??
......functions	67 to ??
......message header	71
......message queue	69
......messages	68 to ??
......permissions	66 to 67
......semaphore set	77
......semaphores	75 to 83
......shared memory	83 to ??
IPC_NOWAIT	83
IPC_RMID	72, 81, 87
IPC_SET	72, 81, 87
IPC_STAT	72, 81, 87

K

kernel
......class independent	117
......context switch	119
......dispatch table	119
......preempting current process	119
......queue	111

L

lockf(3C)	57, 60, 178
locking
.....advisory	56, 62
.....F_GETLK	59
.....finding locks	59
.....mandatory	56, ?? to 62
.....memory in realtime	127
.....opening a file for	58
.....read	56, 58, 178
.....record	58
.....removing	58 to ??
.....setting	58 to ??
.....supported file systems	55
.....testing locks	59
.....with fcntl(2)	56 to 57
.....with lockf(3C)	57
.....write	56, 58, 178
ls(1)	62
lseek(2)	57

M

mandatory locking	56
mapped files	94 to 100
.....private	95
.....shared	95
memory
.....locking	127
.....locking a page	127
.....locking all pages	128
.....number of locked pages	127
.....sticky locks	128
.....unlocking a page	128
memory management	91 to 106
.....address spaces	92
.....address-space layout	103
.....coherence	93
.....concepts	91
.....functions	94
.....heterogeneity	93
.....mapping	91
.....mlock(3C)	101 to ??
.....mlockall(3C)	102 to ??
......mmap(2)	94 to 100
......mprotect(2)	103
......msync(3C)	102 to 103
......munmap(2)	100
......networking	93
......pagesize	103
......virtual memory	91
memory-mapped files,Seemapped files
message queue	69
message, header	71
messages	65, 68 to ??
mlock(3C)	101 to ??
mlockall(3C)	102 to ??
mmap(2)	94 to 100
mprotect(2)	103
msgget()	69
msqid	71
msync(3C)	102 to 103
munmap(2)	100

N

named pipe
......defined	135
......FIFO	133
......using	135
named pipes, limitations	65
network
......asynchronous connection	138
......asynchronous service	140
......asynchronous transfers	140
......asynchronous use	140
......connectionless-mode service	139
......connection-mode service	139
......programming models forrealtime	139
......services under realtime	138
......synchronous use	139
......using STREAMSasynchronously	138
......using Transport-Level Interface(TLI)	138
nice(1)	47
nice(2)	47

non-blocking mode
.....configuring endpointconnections	142
.....defined	138
.....endpoint bound to serviceaddress	142
.....network service	140
.....polling for notification	140
.....service requests	140
.....Transport-Level Interface (TLI)	138
.....using the t_connect() function	142

O

open()	56

P

page 0	106
performance, scheduler effect on	47
permissions
.....IPC	66 to 67
pipe
.....defined	135
.....non-blocking read	135
pipes, limitations	65
polling
.....for a connection request	142
.....notification of data	140
.....using the poll(2) function	140
priocntl(1)	30 to ??
priocntl(2),?? to44
priocntlset(2),?? to46
priority inversion
.....defined	109
.....synchronization	120
priority queue
.....linear linked list	119
process
.....defined for realtime	107
.....dispatching	119
.....highest priority	108
.....preemption	119
.....residence in memory	127
......runaway	111
......scheduling for realtime	116
......setting priorities	123
process address space	92, 103
process priority
......global	25
......real-time	28
......setting and retrieving	30 to 46
......system	28
......time-sharing	28
process, spawning,?? to10
processes, cooperating, locking	56

R

read
......blocking	135
read lock	56, 58, 178
read()	56
real-time, scheduler class	27
removing record locks	58 to ??
response time
......blocking processes	110
......bounds to I/O	109
......degrading	108
......inheriting priority	109
......servicing interrupts	109
......sharing libraries	109
......sticky locks	110
reversing operations for semaphores	77

S

sbrk(2)	106
scheduler	13 to 14, 23 to 50
......classes	117
......configuring	124
......effect on performance	47
......priority	115
......realtime	112
......real-time policy	27
......scheduling classes	115
......system policy	27
......time-sharing policy	26

.....using system calls	121
.....using utilities	122
scheduler, class	27
SEM_UNDO	83
semaphores	75 to 83
.....advantages	65
.....arbitrary simultaneous updates	76
.....atomic updates	76
.....reversing operations and SEM_UNDO	77
.....set structure	77
.....undo structure	76
semget()	75
semop()	76
SETALL	81
setting record locks	58 to ??
SETVAL	80
shared memory	65, 83 to ??
SHM_LOCK	87
SHM_UNLOCK	87
shmget()	84
signals
.....code blocking	20
.....handlers	17, 20
.....limitations	65
.....process control	17
.....resource limits	17
.....sending	18 to 19
.....stacks	21 to ??
structure, semaphore set	77
synchronization	93, 113
.....shared memory	138
synchronous I/O
.....blocking	129
.....critical timing	109

T

time slice, real-time process	40
timers
.....for interval timing	145
.....for realtime applications	145
.....timestamping	145
......using one-shot	146
......using periodic type	146
time-sharing
......scheduler class	26
......scheduler parameter table	27
Transport-Level Interface (TLI)
......asynchronous endpoint	140
......connectionless-mode	138
......connection-mode	138

U

undo structure for semaphores	76
updates, atomic for semaphores	76
user priority	29

V

virtual memory	91 to 106
......See also memory management

W

write lock	56, 58, 178
write()	56

Z

zero(7)	98