Add build system scaffolding and libc headers

1 files changed, 142 insertions, 0 deletions

diff --git a/include/sys/socket.h b/include/sys/socket.h
new file mode 100644
index 00000000..d8a48dd0
--- /dev/null
+++ b/include/sys/socket.h
@@ -0,0 +1,142 @@
+#ifndef __SYS_SOCKET_H
+#define __SYS_SOCKET_H
+
+#define SCM_RIGHTS 0x01
+
+#define CMSG_DATA(cmsg) ((void *)(cmsg) + sizeof(struct cmsghdr))
+
+#define CMSG_NXTHDR(mhdr, cmsg)                                          \
+	((cmsg)->cmsg_len < sizeof(struct cmsghdr) ||                    \
+			 (((cmsg)->cmsg_len + sizeof(long) - 1) &        \
+			  ~(long)(sizeof(long) - 1)) +                   \
+					 sizeof(struct cmsghdr) >=       \
+				 ((unsigned char *)(mhdr)->msg_control + \
+				  (mhdr)->msg_controllen) -              \
+					 (unsigned char *)(cmsg) ?       \
+		 0 :                                                     \
+		 (struct cmsghdr *)((unsigned char *)(cmsg) +            \
+				    __CMSG_LEN(cmsg)))
+
+#define CMSG_FIRSTHDR(mhdr)                                         \
+	((size_t)(mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
+		 (struct cmsghdr *)(mhdr)->msg_control :            \
+		 (struct cmsghdr *)0)
+
+#define CMSG_SPACE(len) (CMSG_ALIGN(len) + CMSG_ALIGN(sizeof(struct cmsghdr)))
+
+#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
+
+struct linger {
+	int l_onoff;
+	int l_linger;
+};
+
+#define SOCK_STREAM    1
+#define SOCK_DGRAM     2
+#define SOCK_RAW       3
+#define SOCK_RDM       4
+#define SOCK_SEQPACKET 5
+#define SOCK_DCCP      6
+#define SOCK_PACKET    = 10
+
+// TODO: fill with fcntl values
+#define SOCK_NONBLOCK O_NONBLOCK
+#define SOCK_CLOEXEC  O_CLOEXEC
+#define SOCK_CLOFORK  0
+
+#define SO_ACCEPTCONN 30
+#define SO_BROADCAST  6
+#define SO_DEBUG      1
+#define SO_DOMAIN     39
+#define SO_DONTROUTE  5
+#define SO_ERROR      4
+#define SO_KEEPALIVE  9
+#define SO_LINGER     13
+#define SO_OOBINLINE  10
+#define SO_PROTOCOL   38
+#define SO_RCVBUF     8
+#define SO_RCVLOWAT   18
+#define SO_RCVTIMEO   66
+#define SO_SNDBUF     7
+#define SO_SNDLOWAT   19
+#define SO_SNDTIMEO   67
+#define SO_TYPEA      3
+#define SOL_SOCKET    1
+
+#define SOMAXCONN 4096
+
+#define MSG_CMSG_CLOFORK 0x00000000
+#define MSG_OOB		 0x00000001
+#define MSG_PEEK	 0x00000002
+#define MSG_DONTROUTE	 0x00000004
+#define MSG_CTRUNC	 0x00000008
+#define MSG_TRUNC	 0x00000020
+#define MSG_EOR		 0x00000080
+#define MSG_WAITALL	 0x00000100
+#define MSG_NOSIGNAL	 0x00004000
+#define MSG_CMSG_CLOEXEC 0x40000000
+
+#define AF_UNSPEC 0
+#define AF_UNIX	  1
+#define AF_INET	  2
+#define AF_INET6  10
+
+#define SHUT_RD	  0
+#define SHUT_WR	  1
+#define SHUT_RDWR 2
+
+typedef __INT32_TYPE__ socklen_t;
+typedef __UINT16_TYPE__ sa_family_t;
+typedef __SIZE_TYPE__ size_t;
+typedef __INT64_TYPE__ ssize_t;
+
+struct sockaddr {
+	sa_family_t sa_family;
+	char sa_data[];
+};
+
+struct sockaddr_storage {
+	sa_family_t ss_family;
+	char __padding[128 - sizeof(long) - sizeof(sa_family_t)];
+	unsigned long __align;
+};
+
+struct msghdr {
+	void *msg_name;
+	socklen_t msg_namelen;
+	struct iovec *msg_iov;
+	int msg_iovlen;
+	void *msg_control;
+	socklen_t msg_controllen;
+	int msg_flags;
+};
+
+struct cmsghdr {
+	socklen_t cmsg_len;
+	int cmsg_level;
+	int cmsg_type;
+};
+
+int accept(int, struct sockaddr *restrict, socklen_t *restrict);
+int accept4(int, struct sockaddr *restrict, socklen_t *restrict, int);
+int bind(int, const struct sockaddr *, socklen_t);
+int connect(int, const struct sockaddr *, socklen_t);
+int getpeername(int, struct sockaddr *restrict, socklen_t *restrict);
+int getsockname(int, struct sockaddr *restrict, socklen_t *restrict);
+int getsockopt(int, int, int, void *restrict, socklen_t *restrict);
+int listen(int, int);
+ssize_t recv(int, void *, size_t, int);
+ssize_t recvfrom(int, void *restrict, size_t, int, struct sockaddr *restrict,
+		 socklen_t *restrict);
+ssize_t recvmsg(int, struct msghdr *, int);
+ssize_t send(int, const void *, size_t, int);
+ssize_t sendmsg(int, const struct msghdr *, int);
+ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *,
+	       socklen_t);
+int setsockopt(int, int, int, const void *, socklen_t);
+int shutdown(int, int);
+int sockatmark(int);
+int socket(int, int, int);
+int socketpair(int, int, int, int[2]);
+
+#endif