32ebc502c8
--HG-- branch : dtrg-videocore rename : mach/powerpc/as/.distr => mach/vc4/as/.distr rename : mach/powerpc/as/mach0.c => mach/vc4/as/mach0.c rename : mach/powerpc/as/mach1.c => mach/vc4/as/mach1.c rename : mach/powerpc/as/mach2.c => mach/vc4/as/mach2.c rename : mach/powerpc/as/mach3.c => mach/vc4/as/mach3.c rename : mach/powerpc/as/mach4.c => mach/vc4/as/mach4.c rename : mach/powerpc/as/mach5.c => mach/vc4/as/mach5.c rename : mach/i86/build.mk => mach/vc4/build.mk rename : mach/powerpc/libem/powerpc.h => mach/vc4/libem/videocore.h rename : mach/i86/libend/.distr => mach/vc4/libend/.distr rename : mach/i86/libend/edata.s => mach/vc4/libend/edata.s rename : mach/i86/libend/em_end.s => mach/vc4/libend/em_end.s rename : mach/i86/libend/end.s => mach/vc4/libend/end.s rename : mach/i86/libend/etext.s => mach/vc4/libend/etext.s rename : mach/powerpc/ncg/.distr => mach/vc4/ncg/.distr rename : mach/powerpc/ncg/mach.c => mach/vc4/ncg/mach.c rename : mach/powerpc/ncg/mach.h => mach/vc4/ncg/mach.h rename : mach/powerpc/ncg/table => mach/vc4/ncg/table rename : plat/pc86/descr => plat/rpi/descr
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
|
|
* Raspberry Pi support library for the ACK
|
|
* © 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>
|
|
|
|
/* Types */
|
|
|
|
typedef int pid_t;
|
|
typedef int mode_t;
|
|
|
|
/* 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(intptr_t 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);
|
|
|
|
/* 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);
|
|
|
|
#endif
|