Initial revision

1 files changed, 108 insertions, 0 deletions

diff --git a/include/unistd.h b/include/unistd.h
new file mode 100644
index 000000000..6c39b42c5
--- /dev/null
+++ b/include/unistd.h
@@ -0,0 +1,108 @@
+/* unistd.h <ndf@linux.mit.edu> */
+#include <features.h>
+#include <sys/types.h>
+
+#ifndef __UNISTD_H
+#define __UNISTD_H
+
+#include <errno.h>
+#include <asm/unistd.h>
+
+#define STDIN_FILENO 0
+#define STDOUT_FILENO 1
+#define STDERR_FILENO 2
+
+
+
+extern int close __P ((int));
+extern size_t read __P ((int __fd, char * __buf, size_t __nbytes));
+extern size_t write __P ((int __fd, __const char * __buf, size_t __n));
+extern off_t lseek __P ((int __fd, off_t __n, int __whence));
+extern int pipe __P ((int __pipedes[2]));
+extern unsigned int alarm __P ((unsigned int __seconds));
+extern int sleep __P ((unsigned int __seconds));
+extern void usleep __P ((unsigned long __microseconds));
+extern int pause __P ((void));
+extern char*    crypt __P((__const char *__key, __const char *__salt));
+extern int isatty __P ((int __fd));
+extern int readlink __P ((__const char *__path, char *__buf, size_t __len));
+extern int link __P ((__const char *__from, __const char *__to));
+extern int symlink __P ((__const char *__from, __const char *__to));
+extern int readlink __P ((__const char *__path, char *__buf, size_t __len));
+extern int unlink __P ((__const char *__name));
+extern char *getcwd __P ((char *__buf, size_t __size));
+extern int fchdir __P ((int __fd));
+extern int chdir __P ((__const char *__path));
+extern int chown __P ((__const char *__file,
+                       uid_t __owner, gid_t __group));
+
+extern int fchown __P ((int __fd,
+                       uid_t __owner, gid_t __group));
+
+extern int fsync __P ((int __fd));
+
+extern int sync __P ((void));
+
+extern int rmdir __P ((__const char *__path));
+
+extern int rename __P((__const char* _old, __const char* _new));
+
+extern int access __P ((__const char *__name, int __type));
+
+extern int      reboot __P ((int __magic, int __magic_too, int __flag));
+
+extern int mkstemp __P ((char * __template));
+extern char * mktemp __P ((char * __template));
+
+extern int _clone __P ((int (*fn)(void *arg), void *child_stack, int flags, void *arg));
+
+
+#if 0                                                                         
+#ifndef SYS_fork
+#define SYS_fork 2
+#endif
+
+#define vfork() ({ \
+register long __res __asm__ ("%d0"); \
+__asm__ __volatile__ ("trap  #0" \
+                      : "=g" (__res) \
+                      : "0" (SYS_fork) \
+                      : "%d0"); \
+__res; \
+})
+#endif
+
+#define vfork() ({						\
+register unsigned long __res __asm__ ("%d0") = __NR_fork;	\
+__asm__ __volatile__ ("trap  #0"				\
+                      : "=g" (__res)				\
+                      : "0" (__res)				\
+                      : "%d0");					\
+if (__res >= (unsigned long)-4096) {				\
+	errno = -__res;						\
+	__res = (pid_t)-1;					\
+}								\
+(pid_t)__res;							\
+})
+
+
+#define fork fork_not_available_use_vfork
+#define clone clone_not_available_use__clone
+		
+
+#ifndef SEEK_SET
+#define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
+#endif
+
+#ifndef R_OK
+#define	R_OK	4		/* Test for read permission.  */
+#define	W_OK	2		/* Test for write permission.  */
+#define	X_OK	1		/* Test for execute permission.  */
+#define	F_OK	0		/* Test for existence.  */
+#endif
+
+#endif /* __UNISTD_H */
+
+