SEM(4) | Device Drivers Manual | SEM(4) |
sem
—
sem
facility provides system calls used by the
standard C library (libc) to implement POSIX semaphores.
sem
facility appeared as a kernel option in
NetBSD 2.0 and became non-optional in
NetBSD 7.0.
August 20, 2015 | NetBSD 9.4 |