January 2013
Intermediate to advanced
628 pages
20h 7m
Portuguese (Portugal, Brazil)
Content preview from USE A CABEÇA! C
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Threads
Threads permitem que
um processo faça mais
que uma coisa ao mesmo
tempo.
Threads são processos de
“peso leve”.
POSIX threads (pthread)
é uma biblioteca de
threads.
pthread_create() cria
um thread para executar
uma função.
pthread_join() espera o
thread terminar.
Threads compartilham as
mesmas variáveis globais.
Se dois threads lerem
e atualizarem a mesma
variável, seu código pode
ficar imprevisível.
Mutexes são cadeados
que protegem dados
compartilhados.
pthread_mutex_lock()
cria um mutex no código.
pthread_mutex_unlock()
libera o mutex.
BOOK - Head First C - 17-05-13.indb 573 02/08/2013 09:27:04
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.