#ifndef _SYS_SELECT_H
#define _SYS_SELECT_H
-#include <unistd.h>
+typedef uint32_t fd_set;
+
+extern int select(int nfds, fd_set *readfds, fd_set *writefds,
+ fd_set *exceptfds, struct timeval *timeout);
+
+#define FD_ZERO(set) do { *set = 0; } while (0)
+#define FD_SET(fd, set) do { *set |= (1<<fd); } while (0);
+#define FD_CLR(fd, set) do { *set &= ~(1<<fd); } while (0);
+#define FD_ISSET(fd, set) (*set | (1<<fd))
#endif
+++ /dev/null
-/*
- * Raspberry Pi support library for the PDP/11
- * © 2013 David Given
- * This file is redistributable under the terms of the 3-clause BSD license.
- * See the file 'Copying' in the root of the distribution for the full text.
- */
-
-#ifndef _UNISTD_H
-#define _UNISTD_H
-
-#include <stddef.h>
-#include <time.h>
-
-/* Types */
-
-typedef int pid_t;
-typedef int mode_t;
-
-typedef long suseconds_t;
-
-/* Time handling. */
-
-struct timeval
-{
- time_t tv_sec;
- suseconds_t tv_usec;
-};
-
-struct timezone
-{
- int tz_minuteswest;
- int tz_dsttime;
-}; /* obsolete, unused */
-
-extern int gettimeofday(struct timeval* tv, struct timezone* tz);
-extern int settimeofday(const struct timeval* tv, const struct timezone* tz);
-
-/* Constants for file access (open and friends) */
-
-enum
-{
- O_ACCMODE = 0x3,
-
- O_RDONLY = 0,
- O_WRONLY = 1,
- O_RDWR = 2,
-
- O_CREAT = 0100,
- O_TRUNC = 01000,
- O_APPEND = 02000,
- O_NONBLOCK = 04000
-};
-
-/* Special variables */
-
-extern char** environ;
-
-/* Implemented system calls */
-
-extern void _exit(int);
-extern pid_t getpid(void);
-extern void* sbrk(int increment);
-extern int isatty(int d);
-extern off_t lseek(int fildes, off_t offset, int whence);
-extern int close(int d);
-extern int open(const char* path, int access, ...);
-extern int creat(const char* path, mode_t mode);
-extern int read(int fd, void* buffer, size_t count);
-extern int write(int fd, void* buffer, size_t count);
-extern int unlink(const char* path);
-
-/* Unimplemented system calls (these are just prototypes to let the library
- * compile). */
-
-extern int fcntl(int fd, int op, ...);
-
-/* Signal handling */
-
-typedef int sig_atomic_t;
-
-#define SIG_ERR ((sighandler_t) -1) /* Error return. */
-#define SIG_DFL ((sighandler_t) 0) /* Default action. */
-#define SIG_IGN ((sighandler_t) 1) /* Ignore signal. */
-
-#define SIGABRT 6 /* Abort (ANSI) */
-#define SIGILL 11 /* Illegal instruction */
-
-#define _NSIG 32 /* Biggest signal number + 1
- (not including real-time signals). */
-typedef void (*sighandler_t)(int);
-extern sighandler_t signal(int signum, sighandler_t handler);
-extern int raise(int signum);
-
-/* Select */
-
-typedef uint32_t fd_set;
-
-extern int select(int nfds, fd_set *readfds, fd_set *writefds,
- fd_set *exceptfds, struct timeval *timeout);
-
-#define FD_ZERO(set) do { *set = 0; } while (0)
-#define FD_SET(fd, set) do { *set |= (1<<fd); } while (0);
-#define FD_CLR(fd, set) do { *set &= ~(1<<fd); } while (0);
-#define FD_ISSET(fd, set) (*set | (1<<fd))
-
-#endif
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