C++ (Cpp) req_mkdir Examples

Example #1

/*===========================================================================*
 *				do_mkdir				     *
 *===========================================================================*/
PUBLIC int do_mkdir()
{
/* Perform the mkdir(name, mode) system call. */
  mode_t bits;			/* mode bits for the new inode */
  int r;
  struct vnode *vp;

  if(fetch_name(m_in.name1, m_in.name1_length, M1) != OK) return(err_code);

  bits = I_DIRECTORY | (m_in.mode & RWX_MODES & fp->fp_umask);

  /* Request lookup */
  if((vp = last_dir(fp)) == NULL) return(err_code);

  /* Make sure that the object is a directory */
  if ((vp->v_mode & I_TYPE) != I_DIRECTORY) {
	  put_vnode(vp);
	  return(ENOTDIR);
  }

  if ((r = forbidden(vp, W_BIT|X_BIT)) == OK) {
	r = req_mkdir(vp->v_fs_e, vp->v_inode_nr, user_fullpath, fp->fp_effuid,
		      fp->fp_effgid, bits);
  }

  put_vnode(vp);
  return(r);
}

Example #2

File: open.c Project: Stichting-MINIX-Research-Foundation/minix

/*===========================================================================*
 *				do_mkdir				     *
 *===========================================================================*/
int do_mkdir(void)
{
/* Perform the mkdir(name, mode) system call. */
  mode_t bits;			/* mode bits for the new inode */
  int r;
  struct vnode *vp;
  struct vmnt *vmp;
  char fullpath[PATH_MAX];
  struct lookup resolve;
  mode_t dirmode;

  if (copy_path(fullpath, sizeof(fullpath)) != OK)
	return(err_code);
  dirmode = job_m_in.m_lc_vfs_path.mode;

  lookup_init(&resolve, fullpath, PATH_NOFLAGS, &vmp, &vp);
  resolve.l_vmnt_lock = VMNT_WRITE;
  resolve.l_vnode_lock = VNODE_WRITE;

  bits = I_DIRECTORY | (dirmode & RWX_MODES & fp->fp_umask);
  if ((vp = last_dir(&resolve, fp)) == NULL) return(err_code);

  /* Make sure that the object is a directory */
  if (!S_ISDIR(vp->v_mode)) {
	r = ENOTDIR;
  } else if ((r = forbidden(fp, vp, W_BIT|X_BIT)) == OK) {
	r = req_mkdir(vp->v_fs_e, vp->v_inode_nr, fullpath, fp->fp_effuid,
		      fp->fp_effgid, bits);
  }

  unlock_vnode(vp);
  unlock_vmnt(vmp);
  put_vnode(vp);
  return(r);
}

Example #3

/*===========================================================================*
 *				do_mkdir				     *
 *===========================================================================*/
PUBLIC int do_mkdir()
{
/* Perform the mkdir(name, mode) system call. */
  mode_t bits;			/* mode bits for the new inode */
  int r;
  struct vnode *vp;
  struct vmnt *vmp;
  char fullpath[PATH_MAX];
  struct lookup resolve;

  lookup_init(&resolve, fullpath, PATH_NOFLAGS, &vmp, &vp);
  resolve.l_vmnt_lock = VMNT_WRITE;
  resolve.l_vnode_lock = VNODE_READ;

  if (fetch_name(m_in.name1, m_in.name1_length, M1, fullpath) != OK)
	return(err_code);
  bits = I_DIRECTORY | (m_in.mode & RWX_MODES & fp->fp_umask);
  if ((vp = last_dir(&resolve, fp)) == NULL) return(err_code);

  /* Make sure that the object is a directory */
  if ((vp->v_mode & I_TYPE) != I_DIRECTORY) {
	r = ENOTDIR;
  } else if ((r = forbidden(vp, W_BIT|X_BIT)) == OK) {
	r = req_mkdir(vp->v_fs_e, vp->v_inode_nr, fullpath, fp->fp_effuid,
		      fp->fp_effgid, bits);
  }

  unlock_vnode(vp);
  unlock_vmnt(vmp);
  put_vnode(vp);
  return(r);
}

Example #4

/*===========================================================================*
 *				do_mkdir				     *
 *===========================================================================*/
int do_mkdir(message *UNUSED(m_out))
{
/* Perform the mkdir(name, mode) system call. */
  mode_t bits;			/* mode bits for the new inode */
  int r;
  struct vnode *vp;
  struct vmnt *vmp;
  char fullpath[PATH_MAX];
  struct lookup resolve;
  vir_bytes vname1;
  size_t vname1_length;
  mode_t dirmode;

  vname1 = (vir_bytes) job_m_in.name1;
  vname1_length = (size_t) job_m_in.name1_length;
  dirmode = (mode_t) job_m_in.mode;

  lookup_init(&resolve, fullpath, PATH_NOFLAGS, &vmp, &vp);
  resolve.l_vmnt_lock = VMNT_WRITE;
  resolve.l_vnode_lock = VNODE_WRITE;

  if (fetch_name(vname1, vname1_length, fullpath) != OK) return(err_code);
  bits = I_DIRECTORY | (dirmode & RWX_MODES & fp->fp_umask);
  if ((vp = last_dir(&resolve, fp)) == NULL) return(err_code);

  /* Make sure that the object is a directory */
  if (!S_ISDIR(vp->v_mode)) {
	r = ENOTDIR;
  } else if ((r = forbidden(fp, vp, W_BIT|X_BIT)) == OK) {
	r = req_mkdir(vp->v_fs_e, vp->v_inode_nr, fullpath, fp->fp_effuid,
		      fp->fp_effgid, bits);
  }

  unlock_vnode(vp);
  unlock_vmnt(vmp);
  put_vnode(vp);
  return(r);
}