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
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/*
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* Raspberry Pi support library for the ACK
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* © 2013 David Given
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* This file is redistributable under the terms of the 3-clause BSD license.
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* See the file 'Copying' in the root of the distribution for the full text.
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*/
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#ifndef _UNISTD_H
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#define _UNISTD_H
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#include <stddef.h>
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/* Types */
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typedef int pid_t;
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typedef int mode_t;
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/* Constants for file access (open and friends) */
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enum
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{
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O_ACCMODE = 0x3,
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O_RDONLY = 0,
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O_WRONLY = 1,
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O_RDWR = 2,
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O_CREAT = 0100,
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O_TRUNC = 01000,
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O_APPEND = 02000,
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O_NONBLOCK = 04000
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};
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/* Special variables */
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extern char** environ;
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/* Implemented system calls */
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extern void _exit(int);
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extern pid_t getpid(void);
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extern void* sbrk(intptr_t increment);
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extern int isatty(int d);
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extern off_t lseek(int fildes, off_t offset, int whence);
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extern int close(int d);
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extern int open(const char* path, int access, ...);
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extern int creat(const char* path, mode_t mode);
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extern int read(int fd, void* buffer, size_t count);
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extern int write(int fd, void* buffer, size_t count);
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/* Unimplemented system calls (these are just prototypes to let the library
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* compile). */
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extern int fcntl(int fd, int op, ...);
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/* Signal handling */
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typedef int sig_atomic_t;
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#define SIG_ERR ((sighandler_t) -1) /* Error return. */
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#define SIG_DFL ((sighandler_t) 0) /* Default action. */
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#define SIG_IGN ((sighandler_t) 1) /* Ignore signal. */
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#define SIGABRT 6 /* Abort (ANSI) */
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#define SIGILL 11 /* Illegal instruction */
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#define _NSIG 32 /* Biggest signal number + 1
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(not including real-time signals). */
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typedef void (*sighandler_t)(int);
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extern sighandler_t signal(int signum, sighandler_t handler);
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extern int raise(int signum);
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#endif
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