55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
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/* libc/sys/linux/io.c - Basic input/output system calls */
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/* Written 2000 by Werner Almesberger */
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#define __KERNEL_PROTOTYPES
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#include <stdarg.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/syscall.h>
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#define __NR___ioctl __NR_ioctl
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#define __NR___flock __NR_flock
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_syscall3(int,read,int,fd,void *,buf,size_t,count)
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_syscall3(int,write,int,fd,const void *,buf,size_t,count)
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_syscall3(int,open,const char *,file,int,flag,mode_t,mode)
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_syscall1(int,close,int,fd)
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_syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
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_syscall0(int,sync)
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_syscall1(int,dup,int,fd)
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_syscall2(int,dup2,int,oldfd,int,newfd)
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_syscall3(int,fcntl,int,fd,int,cmd,long,arg)
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static _syscall3(int,__ioctl,int,fd,int,request,void *,arg)
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int ioctl(int fd,int request,...)
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{
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va_list ap;
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int res;
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va_start(ap,request);
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res = __ioctl(fd,request,va_arg(ap,void *));
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va_end(ap);
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return res;
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}
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/* Why are all the types gratuituously different ? */
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static _syscall2(long,__flock,unsigned int,fd,unsigned int,cmd)
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int flock(int fd,int operation)
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{
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return __flock(fd,operation);
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}
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