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explain_setresgid_or_die(3)Library Functions Manualexplain_setresgid_or_die(3)

NAME
       explain_setresgid_or_die	- set r/e/s group ID and report	errors

SYNOPSIS
       #include	<libexplain/setresgid.h>
       void explain_setresgid_or_die(gid_t rgid, gid_t egid, gid_t sgid);
       int explain_setresgid_on_error(gid_t rgid, gid_t	egid, gid_t sgid);

DESCRIPTION
       The  explain_setresgid_or_die function is used to call the setresgid(2)
       system call. On failure an explanation will be printed to  stderr,  ob-
       tained  from  the  explain_setresgid(3)	function, and then the process
       terminates by calling exit(EXIT_FAILURE).

       The explain_setresgid_on_error function is used	to  call  the  setres-
       gid(2)  system  call.  On  failure  an  explanation  will be printed to
       stderr, obtained	from the explain_setresgid(3) function,	but still  re-
       turns to	the caller.

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

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

       sgid    The  sgid,  exactly  as to be passed to the setresgid(2)	system
	       call.

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

       The explain_setresgid_on_error function always returns the value	return
       by the wrapped setresgid(2) system call.

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

SEE ALSO
       setresgid(2)
	       set real, effective and saved group ID

       explain_setresgid(3)
	       explain setresgid(2) errors

       exit(2) terminate the calling process

COPYRIGHT
       libexplain version 1.3
       Copyright (C) 2012 Peter	Miller

						   explain_setresgid_or_die(3)

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

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