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getrusage(2)							  getrusage(2)

NAME
       getrusage - get information about resource utilization

SYNOPSIS
DESCRIPTION
       The  function  provides	measures  of the resources used by the current
       process or its terminated and  waited-for  child	 processes.   If   the
       value  of  the  who argument is information is returned about resources
       used by the current process. If the value of the who argument is infor‐
       mation	is  returned  about  resources	used  by  the  terminated  and
       waited-for children of the current  process.  If	 the  child  is	 never
       waited for (for instance, if the parent has set or sets to the resource
       information for the child process is discarded and not included in  the
       resource	 information  provided by The r_usage argument is a pointer to
       an object of type in which the returned information is stored.

       If the current process is multi-threaded, returns the information about
       the  resources  used  by	 all  the active and the reaped threads/light-
       weight processes in the current process if the value of the  who	 argu‐
       ment  is	 If  the  value	 of  the  who  argument is in a multi-threaded
       process, information returned is the same as it would be for a  single-
       threaded process.

RETURN VALUE
       Upon  successful completion, returns Otherwise, is returned, and is set
       to indicate the error.

ERRORS
       The function will fail if:

	      [EINVAL]	     The value of the who argument is not valid.

SEE ALSO
       exit(2), sigaction(2), time(1), times(2), wait(1), <sys/resource.h>.

								  getrusage(2)

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