Cgo
cgo is Go’s interoperability facility for calling C code and integrating C functions, data, and libraries into Go programs.
Logs and Telemetry
cgo is a Go toolchain facility that enables Go programs to interoperate with C code and libraries.
- How it is used
- Connects Go-based Fluent Bit plugins to the C core and enables configuration-driven plugin behavior.
- How deep it goes
- Explains function mapping, memory transfer, shared-object loading, hot reload, and platform-specific compilation.
- Examples
- Uses input and output plugins, database logic, shared-object builds, Dockerfile relationships, and an output flush callback.
- What you can do after
- Build Go extensions that Fluent Bit loads as shared objects and update them through hot reload.
Go in Practice, Second Edition
cgo is Go's interoperability facility for calling C code and linking C and Go sources in one program.
- How it is used
- Connects Go applications to C libraries when native Go replacements are unavailable or costly to create.
- How deep it goes
- Demonstrates basic embedded C calls and mentions runtime tuning, while deferring detailed interoperability pitfalls.
- Examples
- Uses an embedded C fizz_buzz function called from a Go main function.
- What you can do after
- Apply it via cgo to call C functions and integrate existing C libraries into Go programs.
Related concepts
- Cuses · C is a general-purpose, statically typed, compiled procedural programming language providing low-level control over memory and system operations.
- C++uses · C++ is a statically typed, general-purpose programming language supporting procedural, object-oriented, generic, and low-level systems programming.
- Gouses · Go is a statically typed, compiled, garbage-collected programming language with built-in support for concurrency.
- C standard libraryuses · The C standard library is the standardized collection of functions, macros, types, and related facilities provided for C programs.
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