113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
#ifndef MINIMALSYS_H
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#define MINIMALSYS_H
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#include "int.h"
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void exit(int8_t status);
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#define STDIN 0
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#define STDOUT 1
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#define STDERR 2
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intptr_t write(int32_t fd, const void* buf, intptr_t size);
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intptr_t read(int32_t fd, const void* buf, intptr_t size);
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#define O_RDONLY 00
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#define O_WRONLY 01
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#define O_RDWR 02
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#define AT_FDCWD -100
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#if defined(__mips__)
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// linux/arch/mips/include/uapi/asm/fcntl.h
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#define O_APPEND 0x0008
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#define O_CREAT 0x0100 /* not fcntl */
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#define O_TRUNC 0x0200 /* not fcntl */
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#define O_EXCL 0x0400 /* not fcntl */
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#define O_NOCTTY 0x0800 /* not fcntl */
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#else
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// linux/include/uapi/asm-generic/fcntl.h
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#define O_CREAT 1<<6
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#define O_EXCL 1<<7
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#define O_NOCTTY 1<<8
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#define O_TRUNC 1<<9
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#define O_APPEND 1<<10
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#endif
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int32_t openat(int32_t fd, const char* filename, uint32_t flags, uint32_t mode);
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#define open(...) openat(AT_FDCWD, __VA_ARGS__, 0)
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#define openc(...) openat(AT_FDCWD, __VA_ARGS__)
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int close(unsigned int fd);
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int fsync(unsigned int fd);
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// Socket syscalls
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int socket(int domain, int type, int protocol);
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int setsockopt(int sockfd, int level, int optname, const void* optval, uint64_t optlen);
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int bind(int sockfd, const void* sockaddr, uint64_t addrlen);
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int listen(int fd, int backlog);
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int accept(int sockfd, void* addr, uint64_t* addrlen);
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int connect(int sockfd, void* addr, uint64_t addrlen);
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int64_t sendto(int sockfd, const void* buf, uint64_t size, int flags, const void* sockaddr, uint64_t addrlen);
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#define send(sockfd, buf, size, flags) sendto(sockfd, buf, size, flags, 0, 0)
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int64_t recvfrom(int sockfd, const void* buf, uint64_t size, int flags, const void* sockaddr, uint64_t addrlen);
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#define recv(sockfd, buf, size, flags) recvfrom(sockfd, buf, size, flags, 0, 0)
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// Socket Domain constants
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typedef unsigned short sa_family_t;
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/* Supported address families. */
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#define AF_UNIX 1 /* Unix domain sockets */
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#define AF_LOCAL 1 /* POSIX name for AF_UNIX */
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#define AF_INET 2 /* Internet IP Protocol */
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#define AF_AX25 3 /* Amateur Radio AX.25 */
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#define AF_INET6 10 /* IP version 6 */
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#define AF_ROSE 11 /* Amateur Radio X.25 PLP */
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#define AF_PACKET 17 /* Packet family */
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#define AF_CAN 29 /* Controller Area Network */
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#define AF_BLUETOOTH 31 /* Bluetooth sockets */
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// Socket type constants
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enum sock_type {
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SOCK_STREAM = 1,
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SOCK_DGRAM = 2,
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SOCK_RAW = 3,
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SOCK_RDM = 4,
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SOCK_SEQPACKET = 5,
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SOCK_DCCP = 6,
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SOCK_PACKET = 10,
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};
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#if defined(__mips__)
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#define SOL_SOCKET 0xffff
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#else
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#define SOL_SOCKET 1
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#define SO_DEBUG 1
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#define SO_REUSEADDR 2
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#define SO_TYPE 3
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#define SO_ERROR 4
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#define SO_DONTROUTE 5
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#define SO_BROADCAST 6
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#define SO_SNDBUF 7
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#define SO_RCVBUF 8
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#define SO_SNDBUFFORCE 32
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#define SO_RCVBUFFORCE 33
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#define SO_KEEPALIVE 9
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#define SO_OOBINLINE 10
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#define SO_NO_CHECK 11
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#define SO_PRIORITY 12
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#define SO_LINGER 13
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#define SO_BSDCOMPAT 14
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#define SO_REUSEPORT 15
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#define SO_PASSCRED 16
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#define SO_PEERCRED 17
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#define SO_RCVLOWAT 18
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#define SO_SNDLOWAT 19
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#define SO_RCVTIMEO 20
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#define SO_SNDTIMEO 21
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#endif
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uint32_t fork();
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// Provide memset for clang
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void *memset(void* s, int c, unsigned long n) {
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int8_t* mem = s;
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for(long int i = 0; i < n; ++i) mem[i] = c;
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return s;
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}
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#endif // !MINIMALSYS_H
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