version 1.13, 2007/09/04 03:21:03 |
version 1.14, 2008/03/02 18:19:35 |
|
|
mm_send_fd(int sock, int fd) |
mm_send_fd(int sock, int fd) |
{ |
{ |
struct msghdr msg; |
struct msghdr msg; |
char tmp[CMSG_SPACE(sizeof(int))]; |
union { |
|
struct cmsghdr hdr; |
|
char tmp[CMSG_SPACE(sizeof(int))]; |
|
} tmp; |
struct cmsghdr *cmsg; |
struct cmsghdr *cmsg; |
struct iovec vec; |
struct iovec vec; |
char ch = '\0'; |
char ch = '\0'; |
ssize_t n; |
ssize_t n; |
|
|
memset(&msg, 0, sizeof(msg)); |
memset(&msg, 0, sizeof(msg)); |
msg.msg_control = (caddr_t)tmp; |
msg.msg_control = (caddr_t)&tmp; |
msg.msg_controllen = CMSG_LEN(sizeof(int)); |
msg.msg_controllen = CMSG_LEN(sizeof(int)); |
cmsg = CMSG_FIRSTHDR(&msg); |
cmsg = CMSG_FIRSTHDR(&msg); |
cmsg->cmsg_len = CMSG_LEN(sizeof(int)); |
cmsg->cmsg_len = CMSG_LEN(sizeof(int)); |
|
|
mm_receive_fd(int sock) |
mm_receive_fd(int sock) |
{ |
{ |
struct msghdr msg; |
struct msghdr msg; |
char tmp[CMSG_SPACE(sizeof(int))]; |
union { |
|
char tmp[CMSG_SPACE(sizeof(int))]; |
|
struct cmsghdr hdr; |
|
} tmp; |
struct cmsghdr *cmsg; |
struct cmsghdr *cmsg; |
struct iovec vec; |
struct iovec vec; |
ssize_t n; |
ssize_t n; |
|
|
vec.iov_len = 1; |
vec.iov_len = 1; |
msg.msg_iov = &vec; |
msg.msg_iov = &vec; |
msg.msg_iovlen = 1; |
msg.msg_iovlen = 1; |
msg.msg_control = tmp; |
msg.msg_control = &tmp; |
msg.msg_controllen = sizeof(tmp); |
msg.msg_controllen = sizeof(tmp); |
|
|
if ((n = recvmsg(sock, &msg, 0)) == -1) { |
if ((n = recvmsg(sock, &msg, 0)) == -1) { |