https://github.com/flier/contructor-derive

Registers a function to be called before/after main (if an executable) or when loaded/unloaded (if a dynamic library).
https://github.com/flier/contructor-derive

Last synced: over 1 year ago
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Registers a function to be called before/after main (if an executable) or when loaded/unloaded (if a dynamic library).

• Host: GitHub
• URL: https://github.com/flier/contructor-derive
• Owner: flier
• License: apache-2.0
• Created: 2018-11-28T10:43:48.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2018-11-28T10:57:07.000Z (over 7 years ago)
• Last Synced: 2025-01-21T22:09:43.062Z (over 1 year ago)
• Language: Rust
• Size: 9.77 KB
• Stars: 1
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE-APACHE

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README

          
contructor_derive [![Build Status](https://travis-ci.org/flier/contructor-derive.svg?branch=master)](https://travis-ci.org/flier/contructor-derive) [![Latest Version](https://img.shields.io/crates/v/contructor_derive.svg)](https://crates.io/crates/contructor_derive) [![Rust Documentation](https://img.shields.io/badge/api-rustdoc-blue.svg)](https://docs.rs/contructor-derive)

====

Registers a function to be called before/after main (if an executable)

or when loaded/unloaded (if a dynamic library).

**Notes**

Use this library is unsafe unless you want to interop directly with a FFI library.

Please consider to use the `lazy-static` crate instead of it.

## Usage

Add the following dependency to your Cargo manifest...

```toml

[dependencies]

contructor_derive = "0.1.0"

```

## Example

```rust

#[macro_use]

extern crate contructor_derive;

pub static mut RAN: bool = false;

#[constructor]

extern "C" fn set_ran() {

    unsafe { RAN = true }

}

#[destructor]

extern "C" fn reset_ran() {

    unsafe { RAN = false }

}

fn main() {

    assert!(unsafe { RAN });

}

```

## License

Licensed under either of

 * Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)

 * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)