SEM(4) MidnightBSD Kernel Interfaces Manual SEM(4)

NAME

sem — POSIX semaphores

SYNOPSIS

To link into the kernel:

options P1003_1B_SEMAPHORES

To load as a kernel loadable module:

kldload sem

DESCRIPTION

The sem facility provides system calls used by the standard C library (libc) to implement POSIX semaphores. It is available both as a kernel option for static inclusion and as a dynamic kernel module.

SEE ALSO

sem_destroy(3), sem_getvalue(3), sem_init(3), sem_open(3), sem_post(3), sem_wait(3), config(8), kldload(8), kldunload(8)

HISTORY

The sem facility appeared as a kernel option in FreeBSD 3.0. The sem kernel module appeared in FreeBSD 5.0.

MidnightBSD 0.3 January 14, 2003 MidnightBSD 0.3