= GIET_VM / User Level Libraries =

This section describes the various user-level libraries provided by the GIET_VM.

=== [wiki:library_barrier Barrier library] ===

This library contains functions used to synchronize
severals tasks in a multi-task parallel application. Most of these functions
do not use system calls.

=== [wiki:library_locks  Locks library] ===

This library contains user-level functions used to get
exclusive access to a shared ressource in a multi-task parallel application. 
These functions do not use system calls.

=== [wiki:library_malloc  Malloc library] ===

This library contains functions allowing an user application
to dynamically allocate virtual memory from the application heap segment.
When the target architecture is clusterized (several physical banks), the heap
is physically distributed on the clusters, and there is actually on allocator per cluster.

=== [wiki:library_mwmr  MWMR library] ===

This library defines an user-level communication middleware
supporting channelised communications in a multi-tasks parallel application.
This middleware does not use system calls.

=== [wiki:library_stdlib  Stdlib library] ===

This library contains various utility functions that do not use system calls.