# XPCOM

These pages contain documentation for Mozilla's Cross-Platform Component Object Model (XPCOM) module. It abstracts core systems functionality for cross-platform use. The component architecture follows the standard COM approach.

## Consuming XPCOM functionality

```{toctree}
:maxdepth: 1

logging
stringguide
refptr
thread-safety
collections
hashtables
hashtables_detailed
iniparser
mozpromise
sorting.md
xpcomutils
```

## Tooling around XPCOM

```{toctree}
:maxdepth: 1

huntingleaks
```

## Writing new XPCOM interfaces/classes

```{toctree}
:maxdepth: 1

xpidl
writing-xpcom-interface
cc-macros
fmt-in-gecko.md
```