LOCK_NB
if (flock(fileno(pidfp), LOCK_EX|LOCK_NB) == 0)
if (!flock(fd, LOCK_EX|LOCK_NB))
(void)flock(fd, LOCK_UN|LOCK_NB);
if (flock(fileno(sync_fp), LOCK_EX|LOCK_NB) >= 0)
if (!(flock(fd, LOCK_EX | LOCK_NB) == -1 && errno == EWOULDBLOCK)) {
if (flock(fd, LOCK_EX | LOCK_NB) == -1 &&
if ((rval = flock(fileno(mp->keyfile), LOCK_EX|LOCK_NB)) == 0 ||
if (flock(fd, LOCK_EX | LOCK_NB) == -1) {
switch (how & ~LOCK_NB) {
if (how & LOCK_NB) {
rc = fcntl(fd, op & LOCK_NB ? F_SETLK : F_SETLKW, &fl);
switch (l & ~LOCK_NB) {
#define T(l) (lock & ~LOCK_NB) != (l) && (lock & ~LOCK_NB) != 0
lock |= LOCK_NB;
if ((lock & ~LOCK_NB) == 0)
if ((lock & ~LOCK_NB) == LOCK_UN)
int nb = l & LOCK_NB;
l &= ~LOCK_NB;
if (flock(fileno(fh), LOCK_EX | LOCK_NB) == 0) {
if ((rval = flock(fileno(skey.keyfile), LOCK_EX|LOCK_NB)) == 0
if (flock(FD, (LOCK_EX|LOCK_NB)) != 0) {
if (!get_line(fp) || flock(fileno(fp), LOCK_SH|LOCK_NB) == 0) {
if (fd < 0 || flock(fd, LOCK_SH|LOCK_NB) == 0) {
if (flock(lfd, LOCK_EX|LOCK_NB) < 0) {
if (flock(lfd, LOCK_EX|LOCK_NB) < 0) {
lflags = LOCK_NB;
lflags &= ~LOCK_NB;
if (flock(rpcbindlockfd, LOCK_EX|LOCK_NB) == -1 && errno == EWOULDBLOCK)
if (flock(masterfd, LOCK_EX | LOCK_NB) < 0) {
if (flock(fileno(from), LOCK_EX | LOCK_NB) < 0) {
if (flock(masterfd, LOCK_EX | LOCK_NB) < 0) {
if (flock(fileno(from), LOCK_EX | LOCK_NB) < 0) {
if (flock(fileno(from), LOCK_EX | LOCK_NB) < 0) {
if (flock(fileno(from), LOCK_EX | LOCK_NB) < 0) {