In a program with two or more goroutines, the steps within each goroutine happen in the familiar order, but in general we don't know whether an event x in one goroutine happens before an event y in another goroutine, or happens after it, or is simultaneous with it. For instance, in a sequence of statements, the first one happens before the second one, and so on. In a sequential program, that is, a program with only one goroutine, the steps of the program happen in the familiar execution order determined by the program logic. Some of the technical differences between goroutines and operating system threads.The analytical techniques for recognizing those problems.Some of the problems associated with sharing variables among multiple goroutines.This chapter looks at the mechanics of concurrency, and in particular discusses: The previous chapter presented several programs that use goroutines and channels toĮxpress concurrency in a direct and natural way. Concurrency with Shared VariablesĬhapter 9. Security: EAP, IPsec, TLS, DNSSEC, and DKIM TCP: The Transmission Control Protocol (Preliminaries) Name Resolution and the Domain Name System (DNS) User Datagram Protocol (UDP) and IP Fragmentation Broadcasting and Local Multicasting (IGMP and MLD) ICMPv4 and ICMPv6: Internet Control Message Protocol Firewalls and Network Address Translation (NAT) System Configuration: DHCP and Autoconfiguration I/O Multiplexing: The select and poll Functions
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