1 files changed, 247 insertions, 0 deletions
diff --git a/linux/include/unistd.h b/linux/include/unistd.h
new file mode 100644
index 0000000..eb10771
--- /dev/null
+++ b/linux/include/unistd.h
@@ -0,0 +1,247 @@
+#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*/	/* 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 _syscall0(type,name) \
+type name(void) \
+{ \
+type __res; \
+__asm__ volatile ("int $0x80" \
+	: "=a" (__res) \
+	: "0" (__NR_##name)); \
+if (__res >= 0) \
+	return __res; \
+errno = -__res; \
+return -1; \
+}
+
+#define _syscall1(type,name,atype,a) \
+type name(atype a) \
+{ \
+type __res; \
+__asm__ volatile ("int $0x80" \
+	: "=a" (__res) \
+	: "0" (__NR_##name),"b" (a)); \
+if (__res >= 0) \
+	return __res; \
+errno = -__res; \
+return -1; \
+}
+
+#define _syscall2(type,name,atype,a,btype,b) \
+type name(atype a,btype b) \
+{ \
+type __res; \
+__asm__ volatile ("int $0x80" \
+	: "=a" (__res) \
+	: "0" (__NR_##name),"b" (a),"c" (b)); \
+if (__res >= 0) \
+	return __res; \
+errno = -__res; \
+return -1; \
+}
+
+#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
+type name(atype a,btype b,ctype c) \
+{ \
+type __res; \
+__asm__ volatile ("int $0x80" \
+	: "=a" (__res) \
+	: "0" (__NR_##name),"b" (a),"c" (b),"d" (c)); \
+if (__res<0) \
+	errno=-__res , __res = -1; \
+return __res;\
+}
+
+#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);
+volatile void _exit(int status);
+int fcntl(int fildes, int cmd, ...);
+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, ...);
+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);
+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