Function main

test/socket-rw-eagain.c:23–139

#include "helpers.h"

int main(int argc, char *argv[])
{
	int p_fd[2], ret;
	int32_t recv_s0;
	int32_t val = 1;
	struct sockaddr_in addr;
	struct iovec iov_r[1], iov_w[1];

	if (argc > 1)
		return 0;

	srand(getpid());

	recv_s0 = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_TCP);

	ret = setsockopt(recv_s0, SOL_SOCKET, SO_REUSEPORT, &val, sizeof(val));
	assert(ret != -1);
	ret = setsockopt(recv_s0, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
	assert(ret != -1);

	addr.sin_family = AF_INET;
	addr.sin_addr.s_addr = inet_addr("127.0.0.1");
	ret = t_bind_ephemeral_port(recv_s0, &addr);
	assert(!ret);
	ret = listen(recv_s0, 128);
	assert(ret != -1);

	p_fd[1] = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_TCP);

	val = 1;
	ret = setsockopt(p_fd[1], IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val));
	assert(ret != -1);

	t_set_nonblock(p_fd[1]);

	ret = connect(p_fd[1], (struct sockaddr*)&addr, sizeof(addr));
	assert(ret == -1);

	p_fd[0] = accept(recv_s0, NULL, NULL);
	assert(p_fd[0] != -1);

	t_set_nonblock(p_fd[0]);

	while (1) {
		int32_t code;
		socklen_t code_len = sizeof(code);

		ret = getsockopt(p_fd[1], SOL_SOCKET, SO_ERROR, &code, &code_len);
		assert(ret != -1);

		if (!code)
			break;
	}

	struct io_uring m_io_uring;
	struct io_uring_params p = { };

	ret = io_uring_queue_init_params(32, &m_io_uring, &p);