#include <sys/mman.h>
#include <sys/param.h>
#include "asm/types.h"
-#include "kern_util.h"
#include "user.h"
#include "ubd_user.h"
#include "os.h"
kernel_fd = fds[0];
*fd_out = fds[1];
- pid = clone(io_thread, (void *) sp, CLONE_FILES | CLONE_VM | SIGCHLD,
- NULL);
+ err = os_set_fd_block(*fd_out, 0);
+ if (err) {
+ printk("start_io_thread - failed to set nonblocking I/O.\n");
+ goto out_close;
+ }
+
+ pid = clone(io_thread, (void *) sp, CLONE_FILES | CLONE_VM, NULL);
if(pid < 0){
err = -errno;
printk("start_io_thread - clone failed : errno = %d\n", errno);