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#include <sys/socket.h>
#include <fcntl.h>
#include <errno.h>
#include "syscall.h"
int socket(int domain, int type, int protocol)
{
int s = socketcall(socket, domain, type, protocol, 0, 0, 0);
if (s<0 && (errno==EINVAL || errno==EPROTONOSUPPORT)
&& (type&(SOCK_CLOEXEC|SOCK_NONBLOCK))) {
s = socketcall(socket, domain,
type & ~(SOCK_CLOEXEC|SOCK_NONBLOCK),
protocol, 0, 0, 0);
if (s < 0) return s;
if (type & SOCK_CLOEXEC)
fcntl(s, F_SETFD, FD_CLOEXEC);
if (type & SOCK_NONBLOCK)
fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK);
}
return s;
}
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