1 files changed, 140 insertions, 0 deletions
diff --git a/klibc/include/unistd.h b/klibc/include/unistd.h
new file mode 100644
index 0000000000..51fd7b769e
--- /dev/null
+++ b/klibc/include/unistd.h
@@ -0,0 +1,140 @@
+/*
+ * unistd.h
+ */
+
+#ifndef _UNISTD_H
+#define _UNISTD_H
+
+#include <klibc/extern.h>
+#include <klibc/compiler.h>
+#include <stddef.h>
+#include <sys/types.h>
+#include <sys/select.h>
+
+__extern char **environ;
+__extern __noreturn _exit(int);
+
+__extern pid_t fork(void);
+__extern pid_t vfork(void);
+__extern pid_t getpid(void);
+__extern pid_t getpgid(pid_t);
+__extern int setpgid(pid_t, pid_t);
+__extern pid_t getppid(void);
+__extern pid_t getpgrp(void);
+__extern int setpgrp(void);
+__extern pid_t setsid(void);
+__extern pid_t getsid(pid_t);
+__extern int execv(const char *, char * const *);
+__extern int execvp(const char *, char * const *);
+__extern int execve(const char *, char * const *, char * const *);
+__extern int execvpe(const char *, char * const *, char * const *);
+__extern int execl(const char *, const char *, ...);
+__extern int execlp(const char *, const char *, ...);
+__extern int execle(const char *, const char *, ...);
+__extern int execlpe(const char *, const char *, ...);
+
+__extern int setuid(uid_t);
+__extern uid_t getuid(void);
+__extern int seteuid(uid_t);
+__extern uid_t geteuid(void);
+__extern int setgid(gid_t);
+__extern gid_t getgid(void); 
+__extern int setegid(gid_t);
+__extern gid_t getegid(void);
+__extern int getgroups(int, gid_t *);
+__extern int setgroups(size_t, const gid_t *);
+__extern int setreuid(uid_t, uid_t);
+__extern int setregid(gid_t, gid_t);
+__extern int setresuid(uid_t, uid_t, uid_t);
+__extern int setresgid(gid_t, gid_t, gid_t);
+__extern int getfsuid(uid_t);
+__extern int setfsuid(uid_t);
+
+/* Macros for access() */
+#define R_OK	4		/* Read */
+#define W_OK	2		/* Write */
+#define X_OK	1		/* Execute */
+#define F_OK	0		/* Existence */
+
+__extern int access(const char *, int);
+__extern int link(const char *, const char *);
+__extern int unlink(const char *);
+__extern int chdir(const char *);
+__extern int fchdir(int);
+__extern int chmod(const char *, mode_t);
+__extern int fchmod(int, mode_t);
+__extern int mkdir(const char *, mode_t);
+__extern int rmdir(const char *);
+__extern int pipe(int *);
+__extern int chroot(const char *);
+__extern int symlink(const char *, const char *);
+__extern int readlink(const char *, char *, size_t);
+__extern int chown(const char *, uid_t, gid_t);
+__extern int fchown(int, uid_t, gid_t);
+__extern int lchown(const char *, uid_t, gid_t);
+__extern char *getcwd(char *, size_t);
+
+__extern int sync(void);
+
+/* Also in <fcntl.h> */
+#ifndef _KLIBC_IN_OPEN_C
+__extern int open(const char *, int, ...);
+#endif
+__extern int close(int);
+__extern off_t lseek(int, off_t, int);
+/* off_t is 64 bits now even on 32-bit platforms; see llseek.c */
+static __inline__ off_t llseek(int __f, off_t __o, int __w) {
+  return lseek(__f, __o, __w);
+}
+
+__extern ssize_t read(int, void *, size_t);
+__extern ssize_t write(int, const void *, size_t);
+__extern ssize_t pread(int, void *, size_t, off_t);
+__extern ssize_t pwrite(int, void *, size_t, off_t);
+
+__extern int dup(int);
+__extern int dup2(int, int);
+__extern int fcntl(int, int, ...);
+__extern int ioctl(int, int, void *);
+__extern int flock(int, int);
+__extern int fsync(int);
+__extern int fdatasync(int);
+__extern int ftruncate(int, off_t);
+
+__extern int pause(void);
+__extern unsigned int alarm(unsigned int);
+__extern unsigned int sleep(unsigned int);
+__extern void usleep(unsigned long);
+
+__extern int gethostname(char *, size_t);
+__extern int sethostname(const char *, size_t);
+__extern int getdomainname(char *, size_t);
+__extern int setdomainname(const char *, size_t);
+
+__extern void *__brk(void *);
+__extern int brk(void *);
+__extern void *sbrk(ptrdiff_t);
+
+__extern int getopt(int, char * const *, const char *);
+__extern char *optarg;
+__extern int optind, opterr, optopt;
+
+__extern int isatty(int);
+
+static __inline__ int getpagesize(void) {
+  extern unsigned int __page_size;
+  return __page_size;
+}
+static __inline__ int __getpageshift(void) {
+  extern unsigned int __page_shift;
+  return __page_shift;
+}
+
+__extern int daemon(int, int);
+
+/* Standard file descriptor numbers. */
+#define STDIN_FILENO	0
+#define STDOUT_FILENO	1
+#define STDERR_FILENO	2
+
+#endif /* _UNISTD_H */