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socket: implement SOCK_CLOEXEC and SOCK_NONBLOCK

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Change-Id: I3fa36fa999c82a192d402cb4d913bd397e106e53
This commit is contained in:
Thomas Veerman 2013-02-25 11:36:29 +00:00
parent 4392d57802
commit 8dbb8a227d
1 changed files with 42 additions and 18 deletions
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60
lib/libc/sys-minix/socket.c
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@ -18,12 +18,17 @@ __weak_alias(socket, _socket)
#define DEBUG 0
static int _tcp_socket(int protocol);
static int _udp_socket(int protocol);
static int _tcp_socket(int type, int protocol);
static int _udp_socket(int type, int protocol);
static int _uds_socket(int type, int protocol);
static void _socket_flags(int type, int *result);
int socket(int domain, int type, int protocol)
{
int sock_type;
sock_type = type & ~SOCK_FLAGS_MASK;
#if DEBUG
fprintf(stderr, "socket: domain %d, type %d, protocol %d\n",
domain, type, protocol);
@ -37,15 +42,16 @@ int socket(int domain, int type, int protocol)
return -1;
}
if (domain == AF_UNIX && (type == SOCK_STREAM ||
type == SOCK_DGRAM || type == SOCK_SEQPACKET))
if (domain == AF_UNIX && (sock_type == SOCK_STREAM ||
sock_type == SOCK_DGRAM ||
sock_type == SOCK_SEQPACKET))
return _uds_socket(type, protocol);
if (domain == AF_INET && type == SOCK_STREAM)
return _tcp_socket(protocol);
if (domain == AF_INET && sock_type == SOCK_STREAM)
return _tcp_socket(type, protocol);
if (domain == AF_INET && type == SOCK_DGRAM)
return _udp_socket(protocol);
if (domain == AF_INET && sock_type == SOCK_DGRAM)
return _udp_socket(type, protocol);
#if DEBUG
fprintf(stderr, "socket: nothing for domain %d, type %d, protocol %d\n",
@ -55,9 +61,22 @@ int socket(int domain, int type, int protocol)
return -1;
}
static int _tcp_socket(int protocol)
static void
_socket_flags(int type, int *result)
{
int fd;
/* Process socket flags */
if (type & SOCK_CLOEXEC) {
*result |= O_CLOEXEC;
}
if (type & SOCK_NONBLOCK) {
*result |= O_NONBLOCK;
}
}
static int _tcp_socket(int type, int protocol)
{
int flags = O_RDWR;
if (protocol != 0 && protocol != IPPROTO_TCP)
{
#if DEBUG
@ -66,13 +85,15 @@ static int _tcp_socket(int protocol)
errno= EPROTONOSUPPORT;
return -1;
}
fd= open(TCP_DEVICE, O_RDWR);
return fd;
_socket_flags(type, &flags);
return open(TCP_DEVICE, flags);
}
static int _udp_socket(int protocol)
static int _udp_socket(int type, int protocol)
{
int r, fd, t_errno;
int r, fd, t_errno, flags = O_RDWR;
struct sockaddr_in sin;
if (protocol != 0 && protocol != IPPROTO_UDP)
@ -83,7 +104,8 @@ static int _udp_socket(int protocol)
errno= EPROTONOSUPPORT;
return -1;
}
fd= open(UDP_DEVICE, O_RDWR);
_socket_flags(type, &flags);
fd= open(UDP_DEVICE, flags);
if (fd == -1)
return fd;
@ -104,7 +126,7 @@ static int _udp_socket(int protocol)
static int _uds_socket(int type, int protocol)
{
int fd, r;
int fd, r, flags = O_RDWR, sock_type;
if (protocol != 0)
{
#if DEBUG
@ -114,7 +136,8 @@ static int _uds_socket(int type, int protocol)
return -1;
}
fd= open(UDS_DEVICE, O_RDWR);
_socket_flags(type, &flags);
fd= open(UDS_DEVICE, flags);
if (fd == -1) {
return fd;
}
@ -122,7 +145,8 @@ static int _uds_socket(int type, int protocol)
/* set the type for the socket via ioctl (SOCK_DGRAM,
* SOCK_STREAM, SOCK_SEQPACKET, etc)
*/
r= ioctl(fd, NWIOSUDSTYPE, &type);
sock_type = type & ~SOCK_FLAGS_MASK;
r= ioctl(fd, NWIOSUDSTYPE, &sock_type);
if (r == -1) {
int ioctl_errno;