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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [io.c] - Rev 258
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/* libc/sys/linux/io.c - Basic input/output system calls */ /* Written 2000 by Werner Almesberger */ #define __KERNEL_PROTOTYPES #include <stdarg.h> #include <unistd.h> #include <fcntl.h> #include <sys/types.h> #include <sys/uio.h> #include <sys/stat.h> #include <sys/ioctl.h> #include <poll.h> #include <machine/syscall.h> #define __NR___ioctl __NR_ioctl #define __NR___flock __NR_flock #define __NR___mknod __NR_mknod _syscall3(ssize_t,read,int,fd,void *,buf,size_t,count) _syscall3(ssize_t,write,int,fd,const void *,buf,size_t,count) _syscall3(int,open,const char *,file,int,flag,mode_t,mode) _syscall1(int,close,int,fd) _syscall3(off_t,lseek,int,fd,off_t,offset,int,count) _syscall0(int,sync) _syscall1(int,dup,int,fd) _syscall2(int,dup2,int,oldfd,int,newfd) _syscall3(int,fcntl,int,fd,int,cmd,long,arg) _syscall1(int,fdatasync,int,fd) _syscall1(int,fsync,int,fd) _syscall3(int,poll,struct pollfd *,fds,nfds_t,nfds,int,timeout) #if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 2 _syscall3(ssize_t,readv,int,fd,const struct iovec *,vec,int,count) _syscall3(ssize_t,writev,int,fd,const struct iovec *,buf,int,count) #endif #if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 4 _syscall2(int,ftruncate,int,fd,off_t,len) _syscall2(int,truncate,const char *,path,off_t,len) #endif static _syscall3(int,__ioctl,int,fd,int,request,void *,arg) int ioctl(int fd,int request,...) { va_list ap; int res; va_start(ap,request); res = __ioctl(fd,request,va_arg(ap,void *)); va_end(ap); return res; } static _syscall2(long,__flock,unsigned int,fd,unsigned int,cmd) int flock(int fd,int operation) { return __flock(fd,operation); } #if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 3 static _syscall3(int,__mknod,const char *,path,mode_t,mode,dev_t,dev) int mkfifo(const char *path, mode_t mode) { dev_t dev = 0; return __mknod(path, mode | S_IFIFO, dev); } #endif weak_alias(__libc_close,__close); weak_alias(__libc_fcntl,__fcntl); weak_alias(__libc_lseek,__lseek); weak_alias(__libc_open,__open); weak_alias(__libc_read,__read); weak_alias(__libc_write,__write); weak_alias(__libc_poll,__poll);
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