Name
semget
Synopsis
semget key, nsems, size, flags
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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