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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "socket_utils.h"
#include <sys/socket.h>
#include <fcntl.h>
#include <unistd.h>
#include <cassert>
namespace vespalib::socketutils {
void set_blocking(int fd, bool blocking)
{
int flags = fcntl(fd, F_GETFL, 0);
if (blocking) {
flags &= ~O_NONBLOCK;
} else {
flags |= O_NONBLOCK;
}
int res = fcntl(fd, F_SETFL, flags);
assert(res == 0);
}
void nonblocking_pipe(int pipefd[2])
{
int res = pipe(pipefd);
assert(res == 0);
set_blocking(pipefd[0], false);
set_blocking(pipefd[1], false);
}
void nonblocking_socketpair(int domain, int type, int protocol, int socketfd[2])
{
int res = socketpair(domain, type, protocol, socketfd);
assert(res == 0);
set_blocking(socketfd[0], false);
set_blocking(socketfd[1], false);
}
}
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