1 #include <sys/socket.h>
2 #include <fcntl.h>
3 #include <errno.h>
4 #include "syscall.h"
5
socket(int domain,int type,int protocol)6 int 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