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explain_wait4_or_die(3)	   Library Functions Manual    explain_wait4_or_die(3)

NAME
       explain_wait4_or_die  - wait for	process	to change state	and report er-
       rors

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  fol-
       lowing 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 1.3
       Copyright (C) 2008 Peter	Miller

						       explain_wait4_or_die(3)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | COPYRIGHT

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