S_WRBAND
S_WRNORM|S_RDBAND|S_WRBAND|S_BANDURG)
if (stp->sd_sigflags & S_WRBAND)
strsendsig(stp->sd_siglist, S_WRBAND,
S_RDNORM|S_WRNORM|S_RDBAND|S_WRBAND|S_BANDURG)) {
S_RDNORM|S_WRNORM|S_RDBAND|S_WRBAND|S_BANDURG)) {
if (sevent & S_WRBAND) {
sevent &= ~S_WRBAND;