O_NONBLOCK
in = open(cmd, O_RDONLY | O_NONBLOCK);
if (flags >= 0 && flags & O_NONBLOCK) {
flags &=~ O_NONBLOCK;
if (flags != -1 && fcntl(pip[1], F_SETFL, flags | O_NONBLOCK) != -1) {
if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0)
if (mode && !(flags & O_NONBLOCK))
return (fcntl(s, F_SETFL, flags | O_NONBLOCK) != -1);
else if (!mode && (flags & O_NONBLOCK))
return (fcntl(s, F_SETFL, flags & ~O_NONBLOCK) != -1);
if ((fd = open(filename, O_RDONLY|O_NONBLOCK)) == -1)
if ((fd = open(file, O_RDONLY|O_NONBLOCK)) == -1) {
(val = fcntl(rfd, F_GETFL)) != -1 && !(val & O_NONBLOCK)) {
(val = fcntl(wfd, F_GETFL)) != -1 && !(val & O_NONBLOCK)) {
(val = fcntl(efd, F_GETFL)) != -1 && !(val & O_NONBLOCK)) {
if (val & O_NONBLOCK) {
val |= O_NONBLOCK;
if (!(val & O_NONBLOCK)) {
val &= ~O_NONBLOCK;
if ((fd = open(name, O_RDONLY|O_NONBLOCK)) == -1)
if ((line = open(device, O_WRONLY | O_NONBLOCK)) == -1) {
lflags &= ~O_NONBLOCK;
(O_CREAT | O_EXCL | O_EXLOCK | O_NOFOLLOW | O_NONBLOCK | \
fd = _open(name, O_RDONLY | O_NONBLOCK | O_DIRECTORY | O_CLOEXEC);
(fd = _open(_PATH_CONSOLE, O_WRONLY|O_NONBLOCK|O_CLOEXEC, 0)) >= 0) {
_fcntl(client_socket, F_SETFL, O_NONBLOCK);
if (_fcntl(sock, F_SETFL, flags | O_NONBLOCK) == -1)
fcntl(sock, F_SETFL, flags & ~O_NONBLOCK);
fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
fcntl(iocom->wakeupfds[0], F_SETFL, O_NONBLOCK);
fcntl(iocom->wakeupfds[1], F_SETFL, O_NONBLOCK);
fcntl(sock_fd, F_SETFL, O_NONBLOCK);
fcntl(alt_fd, F_SETFL, O_NONBLOCK);
flags |= O_NONBLOCK;
if (flags & O_NONBLOCK)
lockfd = flopen(group_file, O_RDONLY|O_NONBLOCK|O_CLOEXEC, 0);
O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC | O_NONBLOCK, mode);
lockfd = flopen(masterpasswd, O_RDONLY|O_NONBLOCK|O_CLOEXEC, 0);
queuefd = open_locked(it->queuefn, O_RDWR|O_NONBLOCK);
if (flock(fd, LOCK_EX|((flags & O_NONBLOCK)? LOCK_NB: 0)) < 0) {
fcntl(pdata, F_SETFL, flags | O_NONBLOCK) == -1)
fcntl(pdata, F_SETFL, flags & ~O_NONBLOCK) == -1)
if (!opentty(ttyn, O_RDWR|O_NONBLOCK))
if (!opentty(ttyn, O_RDWR | (NC ? O_NONBLOCK : 0 )))
fd = open(tty, O_RDONLY|O_NONBLOCK, 0);
fd = open(argv[1], O_RDONLY | O_NONBLOCK, 0);
if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
fcntl(0, F_SETFL, O_NONBLOCK);
if ((fd = open(sp->se_device, O_RDONLY | O_NONBLOCK, 0)) < 0) {
if (fcntl(rt_sock, F_SETFL, O_NONBLOCK) == -1)
if (fcntl(sock, F_SETFL, O_NONBLOCK) == -1)
if ((fd = open(dev, O_RDWR | O_NONBLOCK, 0)) < 0) {
if (fcntl(fd, F_SETFL, oflags & ~O_NONBLOCK) == -1) {
if ((fd = open(devicename, O_RDWR | O_NONBLOCK)) < 0) {
*pfdp = open(pidfile, O_RDWR|O_CREAT|O_EXLOCK|O_NONBLOCK, 0640);
if ((udevfd = open(UDEV_DEVICE_PATH, O_RDWR | O_NONBLOCK)) == -1)
ret = fcntl(s, F_SETFL, flags | O_NONBLOCK);
ret = fcntl(s, F_SETFL, flags & ~O_NONBLOCK);
if ((ap->a_oflags & O_NONBLOCK) != 0) {
if ((ap->a_oflags & O_NONBLOCK) != 0) {
if (error && (ap->a_oflags & O_NONBLOCK)) {
(flags & O_NONBLOCK) ? IIC_DONTWAIT :
(fflag & O_NONBLOCK)?1:0);
if (filp->f_flag & O_NONBLOCK) {
if (!(file->f_flags & O_NONBLOCK)) {
f_flags |= O_NONBLOCK;
if (ap->a_ioflag & O_NONBLOCK) {
(fflags & O_NONBLOCK) ? IO_NDELAY : 0);
(ap->a_oflags & O_NONBLOCK) ? PPB_DONTWAIT : PPB_WAIT)))
(ap->a_oflags & O_NONBLOCK) ? PPB_DONTWAIT :
if (flag & O_NONBLOCK) {
if (flag & O_NONBLOCK) {
if (ap->a_oflags & O_NONBLOCK) {
&& !(tp->t_cflag & CLOCAL) && !(ap->a_oflags & O_NONBLOCK)) {
(ap->a_fflag & O_NONBLOCK) ?
(ap->a_fflag & O_NONBLOCK) ?
(ap->a_fflag & O_NONBLOCK) ?
if (ioflag & O_NONBLOCK)
if (ioflag & O_NONBLOCK)
if (scp->fflags & O_NONBLOCK)
if (ioflag & O_NONBLOCK)
if (scp->fflags & O_NONBLOCK)
if (ioflag & O_NONBLOCK)
nonblock = (attr.mq_flags & O_NONBLOCK);
mq->mq_attrib.mq_flags |= O_NONBLOCK;
mq->mq_attrib.mq_flags &= ~O_NONBLOCK;
if (mqattr->mq_flags & O_NONBLOCK) {
if (mqattr->mq_flags & O_NONBLOCK) {
if ((uap->flags & ~(O_CLOEXEC | O_CLOFORK | O_NONBLOCK)) != 0)
if (flags & O_NONBLOCK)
rf->f_flag |= O_NONBLOCK;
if (flags & O_NONBLOCK)
wf->f_flag |= O_NONBLOCK;
else if (fp->f_flag & O_NONBLOCK)
else if (fp->f_flag & O_NONBLOCK)
#define TAPDEV_OFLAGS (O_RDWR | O_NONBLOCK)
fcntl(net_fd, F_SETFL, O_NONBLOCK);
fd = open(pid_file, O_RDWR|O_CREAT|O_EXLOCK|O_NONBLOCK, 0666);
#define FNONBLOCK O_NONBLOCK /* kernel */
#define FNDELAY O_NONBLOCK /* compat */
#define O_NDELAY O_NONBLOCK /* compat */
if ((ap->a_oflags & O_NONBLOCK) != 0) {
if ((ap->a_mode & FREAD) && (ap->a_mode & O_NONBLOCK) == 0) {
if (ap->a_mode & O_NONBLOCK) {
if (!oclo_dup3("dup3(): O_NONBLOCK|O_CLOXEC", O_NONBLOCK | O_CLOEXEC)) {
#ifndef O_NONBLOCK
if (fcntl(0, F_SETFL, status & ~O_NONBLOCK) == -1)
if (fcntl(0, F_SETFL, status & ~O_NONBLOCK) == -1)
if (fcntl(0, F_SETFL, flags | O_NONBLOCK) == -1)
fcntl(MasterPtyFd, F_SETFL, O_NONBLOCK);
if ((fd = open(name, O_RDONLY|O_CREAT|O_EXLOCK|O_NONBLOCK, 0666)) == -1) {
tap_fd = open(buf, O_RDWR | O_NONBLOCK);
tap_fd = open(buf, O_RDWR | O_NONBLOCK);
} else if ((tap_fd = open(localSide, O_RDWR | O_NONBLOCK)) >= 0) {
if ((fd = open(device, O_WRONLY|O_NONBLOCK, 0)) < 0) {
if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0) {
fcntl(s->server_fd, F_SETFL, fc | O_NONBLOCK) == -1) {
fakeid_fd = open(p, O_RDONLY | O_NONBLOCK);
lfd = open(_PATH_MASTERLOCK, O_WRONLY|O_CREAT|O_EXLOCK|O_NONBLOCK,
lfd = open(pp->lock_file, O_WRONLY|O_CREAT|O_EXLOCK|O_NONBLOCK,
rodent.mfd = open(rodent.portname, O_RDWR | O_NONBLOCK);
fcntl(retval->sockfd, F_SETFL, O_NONBLOCK);
fcntl(client_socket, F_SETFL, O_NONBLOCK);
O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_NOFOLLOW,
stat |= O_NONBLOCK;
#ifndef O_NONBLOCK
p->fd = ID0open(p->name.full, O_RDWR | O_NONBLOCK);
stat |= O_NONBLOCK;
stat |= O_NONBLOCK;
stat &= ~O_NONBLOCK;
stat &= ~O_NONBLOCK;
fcntl(p->fd, F_SETFL, oldflag | O_NONBLOCK);
fcntl(p->fd, F_SETFL, oldflag & ~O_NONBLOCK);
fcntl(p->fd, F_SETFL, oldflag & ~O_NONBLOCK);
if ((flags = fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1) {
if ((flags = fcntl(s->si_fd, F_SETFL, flags | O_NONBLOCK)) == -1) {
if (fcntl(pfd[1], F_SETFL, O_NONBLOCK) == -1) {
if (fcntl(fklog, F_SETFL, O_NONBLOCK) < 0)
f->f_file = open(ctty, O_WRONLY | O_NONBLOCK, 0);
tap_fd = open(buf, O_RDWR | O_NONBLOCK);
tap_fd = open(tapName, O_RDWR | O_NONBLOCK);
if (fcntl(resfd, F_SETFL, O_NONBLOCK) == -1) {