Name
semget
Synopsis
semget key, nsems, size, flags
Description
Calls the System V IPC system call semget(2)
.
The function returns the semaphore ID, or the
undefined value if there is an error. On error, it puts the error
code into $!
. Before calling, you should say:
require "ipc.ph"; require "sem.ph";
This function is available only on machines supporting System V IPC.
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