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The getpgrp keyword[edit | edit source]
The getpgrp function returns the current process group of the PID. For the process group of the current process, the PID should be set to 0 or should be omitted. If Perl is implemented on a machine that does not implement getpgrp(2), an exception is raised. On POSIX systems, a PID is not accepted.
Syntax[edit | edit source]
getpgrp PID getpgrp
Examples[edit | edit source]
print getpgrp 0;