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explain_wait4_or_die

explain_wait4_or_die

Section: C Library Functions (3)
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NAME

explain_wait4_or_die - wait for process to change state and report errors  

SYNOPSIS

#include <libexplain/wait4.h>

void explain_wait4_or_die(int pid, int *status, int options, struct rusage *rusage);  

DESCRIPTION

The explain_wait4_or_die function is used to call the wait4(2) system call. On failure an explanation will be printed to stderr, obtained from explain_wait4(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:

explain_wait4_or_die(pid, status, options, rusage);
pid
The pid, exactly as to be passed to the wait4(2) system call.
status
The status, exactly as to be passed to the wait4(2) system call.
options
The options, exactly as to be passed to the wait4(2) system call.
rusage
The rusage, exactly as to be passed to the wait4(2) system call.
Returns:
This function only returns on success, see wait4(2) for more information. On failure, prints an explanation and exits.
 

SEE ALSO

wait4(2)
wait for process to change state
explain_wait4(3)
explain wait4(2) errors
exit(2)
terminate the calling process
 

COPYRIGHT

libexplain version 0.37
Copyright (C) 2008 Peter Miller


 

Index

NAME
SYNOPSIS
DESCRIPTION
SEE ALSO
COPYRIGHT

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Time: 21:45:53 GMT, April 16, 2011