1 files changed, 54 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/io.c b/newlib/libc/sys/linux/io.c
new file mode 100644
index 000000000..6187e701b
--- /dev/null
+++ b/newlib/libc/sys/linux/io.c
@@ -0,0 +1,54 @@
+/* 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/stat.h>
+#include <sys/ioctl.h>
+#include <sys/syscall.h>
+
+
+#define __NR___ioctl __NR_ioctl
+#define __NR___flock __NR_flock
+
+_syscall3(int,read,int,fd,void *,buf,size_t,count)
+_syscall3(int,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)
+
+
+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;
+}
+
+
+/* Why are all the types gratuituously different ? */
+
+static _syscall2(long,__flock,unsigned int,fd,unsigned int,cmd)
+
+
+int flock(int fd,int operation)
+{
+    return __flock(fd,operation);
+}