acl/lib_fiber/samples/fiber_cpp/main.cpp

#include "stdafx.h"
#include <stdio.h>
#include <stdlib.h>

class myfiber : public acl::fiber
{
public:
	myfiber(void) {}
	~myfiber(void) {}

protected:
	// @override
	void run(void)
	{
		printf("fiber-%d-%d running\r\n", get_id(), acl::fiber::self());
		for (int i = 0; i < 10; i++) {
			acl::fiber::yield();
		}
		delete this;
	}
};

#ifdef	ACL_USE_CPP11

static void fiber1(void)
{
	printf("in fiber: %d\r\n", acl::fiber::self());
}

static void fiber2(int n, const char* s)
{
	printf("in fiber: %d, n: %d, s: %s\r\n", acl::fiber::self(), n, s);
}

static void fiber3(acl::string& buf)
{
	printf("in fiber: %d, buf: %s\r\n", acl::fiber::self(), buf.c_str());
	buf = "world";
}

static void fiber4(const acl::string& buf)
{
	printf("in fiber: %d, buf: %s\r\n", acl::fiber::self(), buf.c_str());
}

#endif

static void usage(const char* procname)
{
	printf("usage: %s -h [help] -n fibers_count -m maxfd -S\r\n", procname);
}

int main(int argc, char *argv[])
{
	int  ch, n = 10, maxfd = 0;
	bool share_stack = false;

	acl::acl_cpp_init();
	acl::log::stdout_open(true);

	while ((ch = getopt(argc, argv, "hn:m:S")) > 0) {
		switch (ch) {
		case 'h':
			usage(argv[0]);
			return 0;
		case 'n':
			n = atoi(optarg);
			break;
		case 'm':
			maxfd = atoi(optarg);
			break;
		case 'S':
			share_stack = true;
			break;
		default:
			break;
		}
	}

	int ret = acl::fiber::set_fdlimit(maxfd);
	printf("Current maxfd=%d\r\n", ret);

	for (int i = 0; i < n; i++) {
		acl::fiber* f = new myfiber();
		f->start(share_stack ? 8000 : 32000, share_stack);
	}

#ifdef	ACL_USE_CPP11
	go fiber1;

	go_share(8000) [=] {
		fiber2(n, "hello world");
	};

	acl::string buf("hello");

	go[&] {
		fiber3(buf);
	};

	go[&] {
		fiber4(buf);
	};

	go[=] {
		fiber4(buf);
	};
#endif

	acl::fiber::schedule();

	return 0;
}