Index_P

P

packages, building with automake/autoconf, 97107

parse tree (figs.), 395396

parser generation

introduction, 393

lexical analysis and, 396406

lexical analysis and grammar parsing, 393396

parsing

command-line options with getopt, getopt_long, 310315

phrases with flex and bison flows (fig.), 413

tokenization, and, 394

paste command, 338340

patsubst function, 49

pattern-matching rules, 4951

pattern space, holding, 379

pause function, 179, 191, 193

percent sign (%)

token identifiers, 403

wildcard character, 49

performance, profiling application, 7576

pid

arguments for kill (table), 194

arguments for waitpid (table), 187

pipe function, 139140

pipes

described, 135

pipe model, 135138

ports, and sockets programming, 150

POSIX

and exec function variants, 198

signals, 201204

threads. See pthreads

pread/pwrite API, 133

primitives, socket, 160166

print command, 377378

printf command, 387

printing

dependencies for given application, 64

suppressing before command execution, 48

process scheduler, Linux kernel component, 1314

processes

APIs, 208

catching, raising a signal, 179181

communication, coordination between, 302

debugging existing, finished, 449451

gathering system information, 317319

IDs, 175

suspending with wait, 178179

synchronization with semaphores, 255258

taking snapshot of, 204206

traditional, and related APIs (table), 184

types of, 173174

processors

architectural optimizations, 3436

and Linux kernel, 1718

profiling

application coverage with gcov, 7576

described, 8586

prog command, 330332

programming

decision points, 456

pipe model, 135138

shared memory, 283307

sockets, 147152

programming languages

Awk, 381391

Eiffel, 460

GCC supported, 27

programs

See also applications

awk, structure of, 382

changing in operating, 446

measuring time spent in functions, 86

one-line awk, 391

optimizing timing of, 94

standard in/out/error (fig.), 331

projects

directory structure of example (fig.), 42

make vs. automake, 9798

ps command, 204205

pthread_cancel function, 228

pthread_create function, 212214, 216

pthread_detach function, 217

pthread_exit function, 212214

pthread_join function, 215217

pthread_mutex_destroy function, 218220

pthread_mutex_lock, _unlock, _trylock functions, 218220

pthreads

API, 212214

building multithreaded applications, 229230

programming, 209211

pthreads API, 212

thread condition variables , 222229

thread management, 214215

thread mutexes , 218222

thread synchronization, 215218

pthread_self function, 214

push function, 446

pwrite/pread API, 133