https://github.com/hellerve/gt

A simple greenthreading library
https://github.com/hellerve/gt

Last synced: 8 months ago
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A simple greenthreading library

• Host: GitHub
• URL: https://github.com/hellerve/gt
• Owner: hellerve
• License: unlicense
• Created: 2019-01-29T09:56:31.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2020-08-28T22:43:17.000Z (over 5 years ago)
• Last Synced: 2025-04-02T13:21:36.019Z (12 months ago)
• Language: C
• Size: 6.84 KB
• Stars: 8
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# gt

A simple greenthreads implementation for massive lightweight threads. It’s

adapted from [this tutorial](https://c9x.me/articles/gthreads/intro.html), with

the—kind of important—additions that the list of scheduled threads grows

dynamically instead of failing to schedule if the maximum thread number is

reached, and that you can pass one argument to the functions (through the use

of structs you can add as many arguments as you like).

I’d like to use this as a testbed to play around with schedulers if I find the

time.

## Example

```c

#include 

#include "gt.h"

void f(void* unused) {

  static int x;

  int i, id;

  id = ++x; // thread ID

  for (i = 0; i < 10; i++) {

    printf("%d %d\n", id, i);

    gt_yield();

  }

}

int main() {

  int i;

  gt_init();

  // no argument; pass an argument instead of NULL here

  for (i = 0; i < 270; i++) gt_go(f, NULL);

  // the second argument is an optional cleanup function

  gt_ret(1, NULL);

}

```



Have fun!