An x86-64 operating system built from xv6, now largely rewritten: SMP, a copy-on-write root filesystem (SchFS), PCI/USB/virtio drivers, a TTF rasteriser, and a Linux-numbered syscall ABI. No history before this point -- the tree was never under version control. This commit exists so the rename that follows has something to undo to.
117 lines
No EOL
3.4 KiB
C
117 lines
No EOL
3.4 KiB
C
#pragma once
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#ifndef USER_H
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#define USER_H
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#include "types.h"
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#include "date.h"
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struct stat;
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struct rtcdate;
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struct mouse_data;
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// --- system calls ---
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int fork(void);
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void exit(void) __attribute__((noreturn));
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int wait(void);
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int pipe(int*);
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int write(int, void*, int);
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int read(int, void*, int);
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int close(int);
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int kill(int);
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int exec(char*, char**);
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int open(char*, int);
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int mknod(char*, short, short);
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int unlink(char*);
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int fstat(int fd, struct stat*);
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int link(char*, char*);
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int mkdir(char*);
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int chdir(char*);
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int dup(int);
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int dup2(int, int);
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int fcntl(int, int, int);
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long lseek(int, long, int);
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int getpid(void);
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char* sbrk(uint64);
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int sleep(int);
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int uptime(void);
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int vga_sync(void*);
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int getmouse(struct mouse_data*);
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int reboot(void);
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int shutdown(void);
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int sigfillset(sigset_t *set);
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int sigprocmask(int how, const sigset_t *set, sigset_t *oldset);
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int sigwait(const sigset_t *set, int *sig);
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int alarm(int seconds);
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int waitpid(int pid, int *status, int options);
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int setsid(void);
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void* mmap(void*, uint64, int, int, int, uint64);
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// Shared memory. shmat returns the attach address, or a small negative value
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// on failure — there is no errno in this runtime, so check for < 0.
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int shmget(int key, uint64 size, int flags);
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void* shmat(int id, void *addr, int flags);
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int shmdt(void *addr);
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int munmap(void*, uint64);
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int delete(char*);
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int show(char*);
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int showstat(char*, struct stat*);
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int ftruncate(int, int);
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int truncate(char*, int);
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int rename(const char*, const char*);
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int symlink(char*, char*);
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int readlink(char*, char*, int);
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int getuid(void);
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int geteuid(void);
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int nanosleep(void*);
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int mprotect(void*, uint64, int);
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int ioctl(int, uint64, void*);
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char* getcwd(char*, int);
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int arch_prctl(int, uint64);
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int set_tid_address(int*);
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int set_robust_list(void*, int);
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int futex(int*, int, int, void*, int*, int);
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int clone(uint64, void*, void*, void*, void*);
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void exit_group(int) __attribute__((noreturn));
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int wait4(int, int*, int, void*);
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int getgid(void);
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int getegid(void);
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int umask(int);
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int writev(int, void*, int);
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int readv(int, void*, int);
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void* brk(void*);
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int prlimit(int, int, void*, void*);
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int lstat(const char*, struct stat*);
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int access(const char*, int);
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int openat(int, const char*, int, ...);
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int fchdir(int);
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int enable_linux_abi(void);
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int getrlimit(int, void*);
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int setuid(int);
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int setgid(int);
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int getsid(int);
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int dup3(int, int, int);
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int pipe2(int*, int);
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int clock_gettime(int, void*);
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int getppid(void);
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int rt_sigaction(int, void*, void*, uint64);
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int mount(const char *src, const char *tgt, const char *fstype, uint64 flags, void *data);
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// Sockets. `struct sockaddr` and the AF_*/SOCK_* constants are in socket.h;
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// include it as well as this header to use them.
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struct sockaddr;
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int socket(int domain, int type, int protocol);
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int bind(int fd, const struct sockaddr *addr, int addrlen);
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int listen(int fd, int backlog);
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int accept(int fd, struct sockaddr *addr, int *addrlen);
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int connect(int fd, const struct sockaddr *addr, int addrlen);
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int socketpair(int domain, int type, int protocol, int sv[2]);
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int sendto(int fd, const void *buf, int len, int flags, const struct sockaddr*, int);
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int recvfrom(int fd, void *buf, int len, int flags, struct sockaddr*, int*);
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int sockshutdown(int fd, int how);
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int setsockopt(int fd, int level, int opt, const void *val, int len);
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int getsockopt(int fd, int level, int opt, void *val, int *len);
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// --- ulib.c ---
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int stat(const char*, struct stat*);
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char* gets(char*, int max);
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#endif // USER_H
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