1#include <sys/socket.h>
2#include <fcntl.h>
3#include <errno.h>
4#include "syscall.h"
5
6int socket(int domain, int type, int protocol)
7{
8	int s = socketcall(socket, domain, type, protocol, 0, 0, 0);
9	if (s<0 && (errno==EINVAL || errno==EPROTONOSUPPORT)
10	    && (type&(SOCK_CLOEXEC|SOCK_NONBLOCK))) {
11		s = socketcall(socket, domain,
12			type & ~(SOCK_CLOEXEC|SOCK_NONBLOCK),
13			protocol, 0, 0, 0);
14		if (s < 0) return s;
15		if (type & SOCK_CLOEXEC)
16			__syscall(SYS_fcntl, s, F_SETFD, FD_CLOEXEC);
17		if (type & SOCK_NONBLOCK)
18			__syscall(SYS_fcntl, s, F_SETFL, O_NONBLOCK);
19	}
20	return s;
21}
22