10-14-2009
Thanks for the responses..
My system does not have rusage.
I can use ps to get the data but my actual requirement is to find memory and cpu usage after the execution is over like 'time ls -l' command does.
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LEARN ABOUT DEBIAN
explain_wait3_or_die
explain_wait3_or_die(3) Library Functions Manual explain_wait3_or_die(3)
NAME
explain_wait3_or_die - wait for process to change state and report errors
SYNOPSIS
#include <libexplain/wait3.h>
void explain_wait3_or_die(int *status, int options, struct rusage *rusage);
DESCRIPTION
The explain_wait3_or_die function is used to call the wait3(2) system call. On failure an explanation will be printed to stderr, obtained
from explain_wait3(3), and then the process terminates by calling exit(EXIT_FAILURE).
This function is intended to be used in a fashion similar to the following example:
int pid = explain_wait3_or_die(status, options, rusage);
status The status, exactly as to be passed to the wait3(2) system call.
options The options, exactly as to be passed to the wait3(2) system call.
rusage The rusage, exactly as to be passed to the wait3(2) system call.
Returns:
This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO
wait3(2)
wait for process to change state
explain_wait3(3)
explain wait3(2) errors
exit(2) terminate the calling process
COPYRIGHT
libexplain version 0.52
Copyright (C) 2008 Peter Miller
explain_wait3_or_die(3)