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Python: Essential Reference, Third Edition by David Beazley

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resource

The resource module is used to measure and control the system resources used by a program on UNIX systems. Resource usage is limited using the setrlimit() function. Each resource is controlled by a soft limit and a hard limit. The soft limit is the current limit and may be lowered or raised by a process over time. The hard limit can be lowered to any value greater than the soft limit, but never raised (except by the superuser).

getrlimit(resource)

Returns a tuple (soft, hard) with the current soft and hard limits of a resource. resource is one of the following symbolic constants:

ConstantDescription
RLIMIT_COREThe maximum core file size (in bytes).
RLIMIT_CPUThe maximum CPU time (in seconds). If exceeded, a SIGXCPU signal is sent to the ...

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