SEM(4) BSD Kernel Interfaces Manual SEM(4)
NAME
sem -- POSIX semaphores
SYNOPSIS
To link into the kernel:
options P1003_1B_SEMAPHORE
DESCRIPTION
The sem facility provides system calls used by the standard C library (libc) to implement POSIX semaphores.
SEE ALSO
config(1), sem_destroy(3), sem_getvalue(3), sem_init(3), sem_open(3), sem_post(3), sem_wait(3), options(4)
HISTORY
The sem facility appeared as a kernel option in NetBSD 2.0.
BUGS
The current implementation does not support shared, unnamed semaphores.
BSD
January 21, 2005 BSD
