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kldunload.2freebsd

BSD mandoc

NAME

kldunload kldunloadf - unload kld files

LIBRARY

Lb libc

SYNOPSIS

In sys/param.h In sys/linker.h Ft int Fn kldunload int fileid Ft int Fn kldunload int fileid int flags

DESCRIPTION

The Fn kldunload system call unloads a kld file from the kernel that was previously linked via kldload(2).

The Fn kldunloadf system call accepts an additional flags argument, which may be one of LINKER_UNLOAD_NORMAL giving the same behavior as Fn kldunload , or LINKER_UNLOAD_FORCE which causes the unload to ignore a failure to quiesce the module.

RETURN VALUES

Rv -std

ERRORS

The file referred to by Fa fileid is unloaded unless:

Bq Er EPERM

You do not have access to unlink the file from the kernel.

Bq Er ENOENT

The file was not found.

Bq Er EBUSY

You attempted to unload a file linked by the kernel.

SEE ALSO

kldfind(2), kldfirstmod(2), kldload(2), kldnext(2), kldstat(2), kldsym(2), modfind(2), modfnext(2), modnext(2), modstat(2), kld(4), kldunload(8)

HISTORY

The kld interface first appeared in Fx 3.0 .