These handlers will be called with an argument which is the name of the signal that triggered it. Perl uses a simple signal handling model: the %SIG hash contains names or references of user-installed signal handlers. Each is used in slightly different situations. The basic IPC facilities of Perl are built out of the good old Unix signals, named pipes, pipe opens, the Berkeley socket routines, and SysV IPC calls. Perlipc - Perl interprocess communication (signals, fifos, pipes, safe subprocesses, sockets, and semaphores) #DESCRIPTION Bidirectional Communication with Yourself.Bidirectional Communication with Another Process. ![]() Complete Dissociation of Child from Parent.
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