1 files changed, 254 insertions, 0 deletions

diff --git a/src/include/unistd.h b/src/include/unistd.h
new file mode 100644
index 0000000..956554a
--- /dev/null
+++ b/src/include/unistd.h
@@ -0,0 +1,254 @@
+#ifndef _UNISTD_H
+#define _UNISTD_H
+
+/* ok, this may be a joke, but I'm working on it */
+#define _POSIX_VERSION 198808L
+
+#define _POSIX_CHOWN_RESTRICTED /* only root can do a chown (I think..) */
+#define _POSIX_NO_TRUNC         /* no pathname truncation (but see in kernel) */
+#define _POSIX_VDISABLE '\0'    /* character to disable things like ^C */
+/*#define _POSIX_SAVED_IDS */   /* we'll get to this yet */
+/*#define _POSIX_JOB_CONTROL */ /* we aren't there quite yet. Soon hopefully */
+
+#define STDIN_FILENO    0
+#define STDOUT_FILENO   1
+#define STDERR_FILENO   2
+
+#ifndef NULL
+#define NULL    ((void *)0)
+#endif
+
+/* access */
+#define F_OK    0
+#define X_OK    1
+#define W_OK    2
+#define R_OK    4
+
+/* lseek */
+#define SEEK_SET        0
+#define SEEK_CUR        1
+#define SEEK_END        2
+
+/* _SC stands for System Configuration. We don't use them much */
+#define _SC_ARG_MAX             1
+#define _SC_CHILD_MAX           2
+#define _SC_CLOCKS_PER_SEC      3
+#define _SC_NGROUPS_MAX         4
+#define _SC_OPEN_MAX            5
+#define _SC_JOB_CONTROL         6
+#define _SC_SAVED_IDS           7
+#define _SC_VERSION             8
+
+/* more (possibly) configurable things - now pathnames */
+#define _PC_LINK_MAX            1
+#define _PC_MAX_CANON           2
+#define _PC_MAX_INPUT           3
+#define _PC_NAME_MAX            4
+#define _PC_PATH_MAX            5
+#define _PC_PIPE_BUF            6
+#define _PC_NO_TRUNC            7
+#define _PC_VDISABLE            8
+#define _PC_CHOWN_RESTRICTED    9
+
+#include <sys/stat.h>
+#include <sys/times.h>
+#include <sys/utsname.h>
+#include <utime.h>
+
+#ifdef __LIBRARY__
+
+#define __NR_setup      0       /* used only by init, to get system going */
+#define __NR_exit       1
+#define __NR_fork       2
+#define __NR_read       3
+#define __NR_write      4
+#define __NR_open       5
+#define __NR_close      6
+#define __NR_waitpid    7
+#define __NR_creat      8
+#define __NR_link       9
+#define __NR_unlink     10
+#define __NR_execve     11
+#define __NR_chdir      12
+#define __NR_time       13
+#define __NR_mknod      14
+#define __NR_chmod      15
+#define __NR_chown      16
+#define __NR_break      17
+#define __NR_stat       18
+#define __NR_lseek      19
+#define __NR_getpid     20
+#define __NR_mount      21
+#define __NR_umount     22
+#define __NR_setuid     23
+#define __NR_getuid     24
+#define __NR_stime      25
+#define __NR_ptrace     26
+#define __NR_alarm      27
+#define __NR_fstat      28
+#define __NR_pause      29
+#define __NR_utime      30
+#define __NR_stty       31
+#define __NR_gtty       32
+#define __NR_access     33
+#define __NR_nice       34
+#define __NR_ftime      35
+#define __NR_sync       36
+#define __NR_kill       37
+#define __NR_rename     38
+#define __NR_mkdir      39
+#define __NR_rmdir      40
+#define __NR_dup        41
+#define __NR_pipe       42
+#define __NR_times      43
+#define __NR_prof       44
+#define __NR_brk        45
+#define __NR_setgid     46
+#define __NR_getgid     47
+#define __NR_signal     48
+#define __NR_geteuid    49
+#define __NR_getegid    50
+#define __NR_acct       51
+#define __NR_phys       52
+#define __NR_lock       53
+#define __NR_ioctl      54
+#define __NR_fcntl      55
+#define __NR_mpx        56
+#define __NR_setpgid    57
+#define __NR_ulimit     58
+#define __NR_uname      59
+#define __NR_umask      60
+#define __NR_chroot     61
+#define __NR_ustat      62
+#define __NR_dup2       63
+#define __NR_getppid    64
+#define __NR_getpgrp    65
+#define __NR_setsid     66
+#define __NR_sigaction  67
+#define __NR_sgetmask   68
+#define __NR_ssetmask   69
+#define __NR_setreuid   70
+#define __NR_setregid   71
+
+#define _syscall0(type,name) \
+  type name(void) \
+{ \
+long __res; \
+__asm__ volatile ("int $0x80" \
+        : "=a" (__res) \
+        : "0" (__NR_##name)); \
+if (__res >= 0) \
+        return (type) __res; \
+errno = -__res; \
+return -1; \
+}
+
+#define _syscall1(type,name,atype,a) \
+type name(atype a) \
+{ \
+long __res; \
+__asm__ volatile ("int $0x80" \
+        : "=a" (__res) \
+        : "0" (__NR_##name),"b" ((long)(a))); \
+if (__res >= 0) \
+        return (type) __res; \
+errno = -__res; \
+return -1; \
+}
+
+#define _syscall2(type,name,atype,a,btype,b) \
+type name(atype a,btype b) \
+{ \
+long __res; \
+__asm__ volatile ("int $0x80" \
+        : "=a" (__res) \
+        : "0" (__NR_##name),"b" ((long)(a)),"c" ((long)(b))); \
+if (__res >= 0) \
+        return (type) __res; \
+errno = -__res; \
+return -1; \
+}
+
+#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
+type name(atype a,btype b,ctype c) \
+{ \
+long __res; \
+__asm__ volatile ("int $0x80" \
+        : "=a" (__res) \
+        : "0" (__NR_##name),"b" ((long)(a)),"c" ((long)(b)),"d" ((long)(c))); \
+if (__res>=0) \
+        return (type) __res; \
+errno=-__res; \
+return -1; \
+}
+
+#endif /* __LIBRARY__ */
+
+extern int errno;
+
+int access(const char * filename, mode_t mode);
+int acct(const char * filename);
+int alarm(int sec);
+int brk(void * end_data_segment);
+void * sbrk(ptrdiff_t increment);
+int chdir(const char * filename);
+int chmod(const char * filename, mode_t mode);
+int chown(const char * filename, uid_t owner, gid_t group);
+int chroot(const char * filename);
+int close(int fildes);
+int creat(const char * filename, mode_t mode);
+int dup(int fildes);
+int execve(const char * filename, char ** argv, char ** envp);
+int execv(const char * pathname, char ** argv);
+int execvp(const char * file, char ** argv);
+int execl(const char * pathname, char * arg0, ...);
+int execlp(const char * file, char * arg0, ...);
+int execle(const char * pathname, char * arg0, ...);
+//volatile void exit(int status);
+void _exit(int status);
+//volatile void _exit(int status);
+int fcntl(int fildes, int cmd, ...);
+static int fork(void);
+int getpid(void);
+int getuid(void);
+int geteuid(void);
+int getgid(void);
+int getegid(void);
+int ioctl(int fildes, int cmd, ...);
+int kill(pid_t pid, int signal);
+int link(const char * filename1, const char * filename2);
+int lseek(int fildes, off_t offset, int origin);
+int mknod(const char * filename, mode_t mode, dev_t dev);
+int mount(const char * specialfile, const char * dir, int rwflag);
+int nice(int val);
+int open(const char * filename, int flag, ...);
+static int pause(void);
+int pipe(int * fildes);
+int read(int fildes, char * buf, off_t count);
+int setpgrp(void);
+int setpgid(pid_t pid,pid_t pgid);
+int setuid(uid_t uid);
+int setgid(gid_t gid);
+void (*signal(int sig, void (*fn)(int)))(int);
+int stat(const char * filename, struct stat * stat_buf);
+int fstat(int fildes, struct stat * stat_buf);
+int stime(time_t * tptr);
+static int sync(void);
+time_t time(time_t * tloc);
+time_t times(struct tms * tbuf);
+int ulimit(int cmd, long limit);
+mode_t umask(mode_t mask);
+int umount(const char * specialfile);
+int uname(struct utsname * name);
+int unlink(const char * filename);
+int ustat(dev_t dev, struct ustat * ubuf);
+int utime(const char * filename, struct utimbuf * times);
+pid_t waitpid(pid_t pid,int * wait_stat,int options);
+pid_t wait(int * wait_stat);
+int write(int fildes, const char * buf, off_t count);
+int dup2(int oldfd, int newfd);
+int getppid(void);
+pid_t getpgrp(void);
+pid_t setsid(void);
+
+#endif