overview

Welcome to liblfds, a portable, license-free, lock-free data structure library written in C.

Please see the wiki for extensive documentation on what is provided, building, porting and testing.

downloads

date release source release note comment
unreleased 7.0.01 The next major release.
02 Jan 13 6.1.11 zip tar.bz2 github here Bug fix release. Supersedes 6.1.0.
31 Dec 12 6.1.01 zip tar.bz2 github here Maintenance release.
02 Jan 13 6.0.11 zip tar.bz2 github here Bug fix release. Supersedes 6.0.0.
18 Dec 12 6.0.01 zip tar.bz2 github here Wholly identical to 6, except moved into the 6.0.0 namespace.
This release is a stepping-stone from 6 into the new namespaces.
29 Dec 09 61 zip tar.bz2 here Deprecated. The namespace is however distinct from later releases.
19 Dec 09 5 zip tar.bz2 here Deprecated. Releases 1 to 6 share the same namespace.
07 Dec 09 4 zip tar.bz2 here Deprecated.
25 Oct 09 3 zip tar.bz2 here Deprecated.
05 Oct 09 2 zip tar.bz2 here Deprecated.
25 Sep 09 1 zip tar.bz2 here Deprecated.

1. Every release from and including 6 exists in its own namespace and can be used concurrently in the same build.

data structures

7.0.0 6.1.0 6.0.0 6 5 4 3 2 1
btree1 (add-only)
hash (add-only)
slist (add-only)
slist (logical delete)2
freelist
queue
ringbuffer (MMO3)
stack

1. Unbalanced
2. Deprecated in 7.0.0; full linked-list due soon
3. Many Producer Many Consumer One Reader

operating systems

7.0.0 6.1.0 6.0.0 6 5 4 3 2 1
embedded1
linux (user-mode)
windows (kernel-mode)
windows (user-mode)

1. Defined as lacking run-time memory allocation

processors

ARM Itanium MIPS PowerPC SPARC x64 x86
btree1 (add-only) 7.0.0 7.0.0 7.0.0 7.0.0 7.0.0 7.0.0 7.0.0
hash (add-only) 7.0.0 7.0.0 7.0.0 7.0.0 7.0.0 7.0.0 7.0.0
slist (add-only) 7.0.0 7.0.0 7.0.0 7.0.0 7.0.0 7.0.0 7.0.0
slist (logical delete)2 4 3 3 3 3 3 3
freelist 4 1 1
queue 4 1 1 1 1 1 1
ringbuffer (MMO3) 4 1 1
stack 4 1 1 1 1 1 1

1. Unbalanced
2. Deprecated in 7.0.0; full linked-list due soon
3. Many Producer Many Consumer One Reader

license

There is no license. You are free to use this software in any way, for any purpose. Go forth and create wealth!