libtalloc_tutorial man page

libtalloc_tutorialThe Tutorial


Talloc is a hierarchical, reference counted memory pool system with destructors. It is built atop the C standard library and it defines a set of utility functions that altogether simplifies allocation and deallocation of data, especially for complex structures that contain many dynamically allocated elements such as strings and arrays.

The main goals of this library are: removing the needs for creating a cleanup function for every complex structure, providing a logical organization of allocated memory blocks and reducing the likelihood of creating memory leaks in long-running applications. All of this is achieved by allocating memory in a hierarchical structure of talloc contexts such that deallocating one context recursively frees all of its descendants as well.

Main features


An open source project


A hierarchical memory model


Natural projection of data structures into the memory space


Simplifies memory management of large data structures


Automatic execution of a destructor before the memory is freed


Simulates a dynamic type system


Implements a transparent memory pool

Table of contents

Chapter 1: Talloc context

Chapter 2: Stealing a context

Chapter 3: Dynamic type system

Chapter 4: Using destructors

Chapter 5: Memory pools

Chapter 6: Debugging

Chapter 7: Best practises

Chapter 8: Using threads with talloc


Sat Feb 11 2017 Version 2.0 talloc