sendmail/libsm/mpeix.c

354 **  - setuid/setgid file permission bits exist but have no-op functionality
355 **  - setgid() exists, but only supports new gid == current gid (boring!)
366 **  gid/uid management functions getegid(), geteuid(), setgid(), and
375 **  This emulation model is activated by use of the program file setgid and
376 **  setuid mode bits which exist but are unused by MPE.  If the setgid mode
437 **	if the setgid bit is on, we want gid emulation and so set
548 **  SENDMAIL_MPE_SETGID -- shadow function for setgid()
550 **	Simulate a call to setgid() without actually calling the real
554 **	implicit real setgid() to the proper primary gid.  So it doesn't matter
565 #undef setgid
580 	return setgid(gid);