File: jump.cpp

package info (click to toggle)
boost1.83 1.83.0-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 545,632 kB
  • sloc: cpp: 3,857,086; xml: 125,552; ansic: 34,414; python: 25,887; asm: 5,276; sh: 4,799; ada: 1,681; makefile: 1,629; perl: 1,212; pascal: 1,139; sql: 810; yacc: 478; ruby: 102; lisp: 24; csh: 6
file content (35 lines) | stat: -rw-r--r-- 1,085 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

//          Copyright Oliver Kowalke 2016.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)

#include <cstdlib>
#include <iostream>

#include <boost/context/fiber.hpp>

namespace ctx = boost::context;

int main() {
    int data = 1;
    ctx::fiber f{
            [&data](ctx::fiber && f){
                std::cout << "entered first time: " << data << std::endl;
                data += 2;
                f = std::move( f).resume();
                std::cout << "entered second time: " << data << std::endl;
                return std::move( f);
            }};
    f = std::move( f).resume();
    std::cout << "returned first time: " << data << std::endl;
    data += 2;
    f = std::move( f).resume();
    if ( f) {
        std::cout << "returned second time: " << data << std::endl;
    } else {
        std::cout << "returned second time: execution context terminated" << std::endl;
    }
    std::cout << "main: done" << std::endl;
    return EXIT_SUCCESS;
}