diff options
Diffstat (limited to 'sys/compat/linux/linux_socket.h')
| -rw-r--r-- | sys/compat/linux/linux_socket.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_socket.h b/sys/compat/linux/linux_socket.h index b6b9841..5a5d3f5 100644 --- a/sys/compat/linux/linux_socket.h +++ b/sys/compat/linux/linux_socket.h @@ -49,4 +49,35 @@ #define LINUX_MSG_ERRQUEUE 0x2000 #define LINUX_MSG_NOSIGNAL 0x4000 +/* Socket-level control message types */ + +#define LINUX_SCM_RIGHTS 0x01 + +/* Ancilliary data object information macros */ + +#define LINUX_CMSG_ALIGN(len) roundup2(len, sizeof(l_ulong)) +#define LINUX_CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + \ + LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)))) +#define LINUX_CMSG_SPACE(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \ + LINUX_CMSG_ALIGN(len)) +#define LINUX_CMSG_LEN(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \ + (len)) +#define LINUX_CMSG_FIRSTHDR(msg) \ + ((msg)->msg_controllen >= \ + sizeof(struct l_cmsghdr) ? \ + (struct l_cmsghdr *)((msg)->msg_control) : \ + (struct l_cmsghdr *)(NULL)) +#define LINUX_CMSG_NXTHDR(msg, cmsg) \ + ((((char *)(cmsg) + \ + LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \ + sizeof(*(cmsg))) > \ + (((char *)(msg)->msg_control) + \ + (msg)->msg_controllen)) ? \ + (struct l_cmsghdr *) NULL : \ + (struct l_cmsghdr *)((char *)(cmsg) + \ + LINUX_CMSG_ALIGN((cmsg)->cmsg_len))) + +#define CMSG_HDRSZ CMSG_LEN(0) +#define L_CMSG_HDRSZ LINUX_CMSG_LEN(0) + #endif /* _LINUX_SOCKET_H_ */ |
