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System Services Guide

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Solaris 2.4 Software Developer AnswerBook

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Previous: 6 Realtime Programming and Administration

Index

Symbols


/dev/zero, mapping	148

A


address space of a process	142, 154
advisory locking	29
asynchronous I/O
.....behavior	163
.....endpoint service	193
.....guaranteeing buffer state	163
.....listen for network connection	197
.....making connection request	197
.....notification of data arrival	194
.....opening a file	198
.....using aio_result_t structure	163
.....waiting for completion	182
atomic updates to semaphores	69

B


blocking mode
.....defined	172
.....finite time quantum	168
.....opening a FIFO	188
.....priority inversion	172
.....time-sharing process	161
.....using the read() function	188
bounded	164
brk(2)	157

C


chmod(1)	43
class
.....definition	167
.....priority queue	170
.....scheduling algorithm	169
.....scheduling priorities	167
connectionless-mode
.....asynchronous network service	193
.....definition	192
connection-mode
.....asynchronous network service	196
.....asynchronously connecting	196
.....definition	192
.....using asynchronous connection	196
context switch
.....preempting a process	171
control
.....message queue, msgctl()	56
.....semaphore set	70
.....semaphore, semctl()	74
.....shared memory segment, shmctl()	94
creat(2)	29, 30
creation flags, IPC	50 to 51

D


dispatch
.....priorities	168
dispatch latency	164
.....under realtime	164
dispatch table
.....configuring	177
.....kernel	171
dup(2)	10

E


error handling	2
exec(2)	7

F


F_GETLK	39
fcntl(2)	32, 33, 34, 39, 40, 42
FIFO
.....using as byte stream	189
fifo	10
file and record locking	21 to 22, 27 to 45
file descriptor
.....passing to another process	198
.....transferring	198
file system
.....contiguous	163
.....opening dynamically	198
.....using pipes	188
files
.....lock	21 to 22
.....locking,*See*locking
.....memory-mapped,*See* mapped files
fork(2)	8 to 10
fsync(2)	143
functions
.....advanced I/O	3
.....basic I/O	2
.....error handling	2
.....IPC	47 to 105
.....list file system control	11
.....list IPC	10
......list memory management	11
......signals	14 to 19
......terminal I/O	4
......user process control	5
......user processes	1, 10

G


get
......message queue, msgget()	54
......semaphore, semget()	72
......shared memory segment,shmget()	92
GETALL	75
GETNCNT	75
GETPID	75
GETVAL	75
GETZCNT	75

I


I/O,*See*asynchronous I/O, orsynchronous I/O
init(1M), scheduler properties	137
Interprocess Communication (IPC)
......administering	191
......creating pipes	188
......memory mapped files	190
......using fileless memory mapping	190
......using memory mapping	191
......using messages	189
......using named pipes	188
......using pipes	187
......using semaphores	189
......using shared memory	190
......using the open() call	188
IPC (interprocess communication)	10, 22 to 23, 47 to 105
......creation flags	50 to 51
......functions	50 to 51
......message header	53
......message queue	52
......messages	51 to 67
......permissions	48 to 50
......semaphore set	70


.....semaphores	68 to 88
.....shared memory	89 to 105
IPC_NOWAIT	84
IPC_RMID	57, 75, 95
IPC_SET	57, 75, 95
IPC_STAT	57, 75, 95

K


kernel
.....class independent	169
.....context switch	171
.....dispatch table	171
.....preempting current process	171
.....queue	163

L


lockf(3C)	32, 34, 35, 37, 40, 42
locking
.....advisory	29, 45
.....F_GETLK	39
.....file and record	27 to 45
.....finding locks	39
.....mandatory	30, 42 to 44
.....memory in realtime	180
.....mmap(2)	31
.....opening a file for	30
.....read	29, 30, 35
.....record	32, 35, 36
.....removing	35 to 39
.....setting	35 to 39
.....supported file systems	27
.....testing locks	39
.....with fcntl(2)	32 to 34, 39
.....with lockf(3C)	32, 34
.....write	29, 30, 35
ls(1)	44
lseek(2)	34

M


mandatory locking	30, 42
mapped files	144 to 150
.....private	145
......shared	145
memory
......locking	180
......locking a page	180
......locking all pages	181
......number of locked pages	180
......sticky locks	181
......unlocking a page	181
memory management	24 to 25, 141 to 157
......address spaces	142
......address-space layout	154
......coherence	143
......concepts	141
......functions	144
......heterogeneity	143
......mapping	141
......mincore(2)	151
......mlock(3C)	151 to 152
......mlockall(3C)	152 to 153
......mmap(2)	144 to 150
......mprotect(2)	154
......msync(3C)	153
......munmap(2)	150
......networking	143
......pagesize	154
......virtual memory	141
memory-mapped files,*See*mapped files
message queue	52
message, header	53
messages	10, 47, 51 to 67
mincore(2)	151
mlock(3C)	151 to 152
mlockall(3C)	152 to 153
mmap(2)	31, 144 to 150
mprotect(2)	154
msgctl()	56
msgget()	51, 54
msgrcv()	61
msgsnd()	61
msqid	54
msync(3C)	153
munmap(2)	150

N


named pipe
.....defined	188
.....FIFO	186
.....using	188
named pipes, limitations	47
network
.....asynchronous connection	192
.....asynchronous service	193
.....asynchronous transfers	194
.....asynchronous use	193
.....connectionless-mode service	192
.....connection-mode service	192
.....programming models forrealtime	193
.....services under realtime	192
.....synchronous use	193
.....using STREAMSasynchronously	192
.....using Transport-Level Interface(TLI)	192
nice(1)	137
nice(2)	137
non-blocking mode
.....configuring endpointconnections	196
.....defined	192
.....endpoint bound to serviceaddress	196
.....network service	193
.....polling for notification	193
.....service requests	193
.....Transport-Level Interface (TLI)	192
.....using the t_connect() function	196

O


open(2)	29, 30
operate on semaphores, semop()	83

P


page 0	157
pcinfo data structure	121
pcparms data structure	127
performance, scheduler effect on	137
permissions
......IPC	48 to 50
pipe
......defined	188
......non-blocking read	188
pipe(2)	10
pipes, limitations	47
polling
......for a connection request	196
......notification of data	193
......using the poll(2) function	194
priocntl(1)	114 to 119
priocntl(2)	120 to 133
priocntlset(2)	133 to 136
priority inversion
......defined	161
......synchronization	172
priority queue
......linear linked list	171
process
......defined for realtime	159
......dispatching	171
......highest priority	160
......preemption	171
......residence in memory	180
......runaway	162
......scheduling for realtime	168
......setting priorities	175
process address space	142, 154
process priority
......global	109
......real-time	112
......setting and retrieving	114 to 136
......system	112
......time-sharing	112
process, spawning	5 to 10
processes, cooperating, locking	29
procset data structure	134

R


read
.....blocking	188
read lock	29, 30, 35, 40
read(2)	29, 30
real-time, scheduler class	111
receive message, msgrcv()	61
records, locking,*See*locking
removing record locks	35 to 39
response time
.....blocking processes	161
.....bounds to I/O	161
.....degrading	160
.....inheriting priority	161
.....servicing interrupts	161
.....sharing libraries	161
.....sticky locks	162
reversing operations for semaphores	69

S


sbrk(2)	157
scheduler	23, 107 to 140
.....classes	169
.....configuring	177
.....effect on performance	137
.....priority	167
.....realtime	164
.....real-time policy	111
.....scheduling classes	167
.....system policy	111
.....time-sharing policy	110
.....using system calls	173
.....using utilities	175
scheduler data structures
.....pcinfo	121
.....pcparms	127
.....procset	134
scheduler, class	111
SEM_UNDO	84
semaphores	10, 68 to 88
.....advantages	47
.....arbitrary simultaneous updates	69
......atomic updates	69
......operations on, semop()	83
......reversing operations and SEM_UNDO	69
......set structure	70
......undo structure	69
semctl()	74
semget()	68, 72
semid	72
semop()	68, 83
send message, msgsnd()	61
SETALL	75
setprocset macro	134
setting record locks	35 to 39
SETVAL	75
shared memory	10, 47, 89 to 105
SHM_LOCK	95
SHM_UNLOCK	95
shmctl()	94
shmget()	89, 92
shmid	92
signals	12 to 19
......code blocking	17
......handlers	14, 17
......limitations	47
......process control	14
......resource limits	14
......sending	16
......stacks	18 to 19
STREAMS	10
structure, semaphore set	70
synchronization	143, 165
......shared memory	191
synchronous I/O
......blocking	182
......critical timing	161

T


time slice, real-time process	128
timers
......for interval timing	200
......for realtime applications	200


.....timestamping	200
.....using one-shot	201
.....using periodic type	201
time-sharing
.....scheduler class	110
.....scheduler parameter table	111
Transport-Level Interface (TLI)
.....asynchronous endpoint	193
.....connectionless-mode	192
.....connection-mode	192

U


undo structure for semaphores	69
updates, atomic for semaphores	69
user priority	113

V


virtual memory	141 to 157
.....See also memory management

W


write lock	29, 30, 35
write(2)	29, 30

Z


zero(7)	148

Previous: 6 Realtime Programming and Administration