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explain_setregid_or_die(3) Library Functions Manual explain_setregid_or_die(3)

NAME
       explain_setregid_or_die - set real and/or effective group ID and	report
       errors

SYNOPSIS
       #include	<libexplain/setregid.h>
       void explain_setregid_or_die(gid_t rgid,	gid_t egid);
       int explain_setregid_on_error(gid_t rgid, gid_t egid);

DESCRIPTION
       The explain_setregid_or_die function is used to	call  the  setregid(2)
       system  call.  On failure an explanation	will be	printed	to stderr, ob-
       tained from the explain_setregid(3) function, and then the process ter-
       minates by calling exit(EXIT_FAILURE).

       The  explain_setregid_on_error function is used to call the setregid(2)
       system call. On failure an explanation will be printed to  stderr,  ob-
       tained  from the	explain_setregid(3) function, but still	returns	to the
       caller.

       rgid    The rgid, exactly as to be passed  to  the  setregid(2)	system
	       call.

       egid    The  egid,  exactly  as	to be passed to	the setregid(2)	system
	       call.

RETURN VALUE
       The explain_setregid_or_die function only returns on success,  see  se-
       tregid(2)  for  more information. On failure, prints an explanation and
       exits, it does not return.

       The explain_setregid_on_error function always returns the value	return
       by the wrapped setregid(2) system call.

EXAMPLE
       The  explain_setregid_or_die function is	intended to be used in a fash-
       ion similar to the following example:
	      explain_setregid_or_die(rgid, egid);

SEE ALSO
       setregid(2)
	       set real	and/or effective group ID

       explain_setregid(3)
	       explain setregid(2) errors

       exit(2) terminate the calling process

COPYRIGHT
       libexplain version 1.3
       Copyright (C) 2012 Peter	Miller

						    explain_setregid_or_die(3)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT

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