games/atc/log.c

179

if (lockf(fileno(score_fp), F_LOCK, 1) < 0)

lib/libc/gen/lockf.c

62

case F_LOCK:

lib/libc/gen/utmpx.c

273

if (lockf(fileno(fp), F_LOCK, (off_t)0) == -1)

tests/kernel/t_lockf.c

233

error = dolock(fd, F_LOCK, 0, 1);

tests/kernel/t_lockf.c

239

error = dolock(fd, F_LOCK, 1, 1);

tests/kernel/t_lockf.c

242

dolock(fd, F_LOCK, 0, 1); /* will block */

tests/kernel/t_lockf.c

247

error = dolock(fd, F_LOCK, 1, 1);

tests/lib/libpthread/t_cancellation.c

338

RL(lockf(fd, F_LOCK, 0));