sys/kern/kern_descrip.c

1851 	struct filedesc *newfdp;
1854 	newfdp = &newfdp0->fd_fd;
1857 	FILEDESC_LOCK_INIT(newfdp);
1858 	refcount_init(&newfdp->fd_refcnt, 1);
1859 	refcount_init(&newfdp->fd_holdcnt, 1);
1860 	newfdp->fd_cmask = CMASK;
1861 	newfdp->fd_map = newfdp0->fd_dmap;
1862 	newfdp->fd_lastfile = -1;
1863 	newfdp->fd_files = (struct fdescenttbl *)&newfdp0->fd_dfiles;
1864 	newfdp->fd_files->fdt_nfiles = NDFILE;
1867 		return (newfdp);
1869 	if (prepfiles && fdp->fd_lastfile >= newfdp->fd_nfiles)
1870 		fdgrowtable(newfdp, fdp->fd_lastfile + 1);
1873 	newfdp->fd_cdir = fdp->fd_cdir;
1874 	if (newfdp->fd_cdir)
1875 		vrefact(newfdp->fd_cdir);
1876 	newfdp->fd_rdir = fdp->fd_rdir;
1877 	if (newfdp->fd_rdir)
1878 		vrefact(newfdp->fd_rdir);
1879 	newfdp->fd_jdir = fdp->fd_jdir;
1880 	if (newfdp->fd_jdir)
1881 		vrefact(newfdp->fd_jdir);
1886 		while (fdp->fd_lastfile >= newfdp->fd_nfiles) {
1888 			fdgrowtable(newfdp, fdp->fd_lastfile + 1);
1893 	return (newfdp);
1964 	struct filedesc *newfdp;
1970 	newfdp = fdinit(fdp, true);
1972 	newfdp->fd_freefile = -1;
1977 			if (newfdp->fd_freefile == -1)
1978 				newfdp->fd_freefile = i;
1981 		nfde = &newfdp->fd_ofiles[i];
1985 		fdused_init(newfdp, i);
1986 		newfdp->fd_lastfile = i;
1988 	if (newfdp->fd_freefile == -1)
1989 		newfdp->fd_freefile = i;
1990 	newfdp->fd_cmask = fdp->fd_cmask;
1992 	return (newfdp);
2006 	struct filedesc *newfdp;
2012 	newfdp = fdinit(fdp, true);
2019 	newfdp->fd_freefile = nfds;
2037 		nfde = &newfdp->fd_ofiles[i];
2041 		fdused_init(newfdp, i);
2042 		newfdp->fd_lastfile = i;
2044 	newfdp->fd_cmask = fdp->fd_cmask;
2046 	*ret = newfdp;
2050 	fdescfree_remapped(newfdp);