/* Copyright (C) 2014 Stony Brook University
This file is part of Graphene Library OS.
Graphene Library OS is free software: you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
Graphene Library OS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see . */
/*
* shim_handle.c
*
* This file contains codes to maintain bookkeeping for handles in library OS.
*/
#include
#include
#include
#include
#include
#include
#include
static struct shim_lock handle_mgr_lock;
#define HANDLE_MGR_ALLOC 32
#define SYSTEM_LOCK() lock(&handle_mgr_lock)
#define SYSTEM_UNLOCK() unlock(&handle_mgr_lock)
#define PAGE_SIZE allocsize
#define OBJ_TYPE struct shim_handle
#include
static MEM_MGR handle_mgr = NULL;
#define INIT_HANDLE_MAP_SIZE 32
//#define DEBUG_REF
static inline int init_tty_handle(struct shim_handle* hdl, bool write) {
struct shim_dentry* dent = NULL;
int ret;
struct shim_thread* cur_thread = get_cur_thread();
/* XXX: Try getting the root FS from current thread? */
assert(cur_thread);
assert(cur_thread->root);
if ((ret = path_lookupat(NULL, "/dev/tty", LOOKUP_OPEN, &dent, NULL)) < 0)
return ret;
int flags = (write ? O_WRONLY : O_RDONLY) | O_APPEND;
struct shim_mount* fs = dent->fs;
ret = fs->d_ops->open(hdl, dent, flags);
if (ret < 0)
return ret;
set_handle_fs(hdl, fs);
hdl->dentry = dent;
hdl->flags = O_RDWR | O_APPEND | 0100000;
size_t size;
char* path = dentry_get_path(dent, true, &size);
if (path)
qstrsetstr(&hdl->path, path, size);
else
qstrsetstr(&hdl->path, "/dev/tty", 8);
return 0;
}
static inline int init_exec_handle(struct shim_thread* thread) {
if (!PAL_CB(executable))
return 0;
struct shim_handle* exec = get_new_handle();
if (!exec)
return -ENOMEM;
qstrsetstr(&exec->uri, PAL_CB(executable), strlen(PAL_CB(executable)));
exec->type = TYPE_FILE;
exec->flags = O_RDONLY;
exec->acc_mode = MAY_READ;
struct shim_mount* fs = find_mount_from_uri(PAL_CB(executable));
if (fs) {
const char* p = PAL_CB(executable) + fs->uri.len;
/*
* Lookup for PAL_CB(executable) needs to be done under a given
* mount point. which requires a relative path name.
* On the other hand, the one in manifest file can be absolute path.
*/
while (*p == '/') {
p++;
}
path_lookupat(fs->root, p, 0, &exec->dentry, fs);
set_handle_fs(exec, fs);
if (exec->dentry) {
size_t len;
const char* path = dentry_get_path(exec->dentry, true, &len);
qstrsetstr(&exec->path, path, len);
}
put_mount(fs);
} else {
set_handle_fs(exec, &chroot_builtin_fs);
}
lock(&thread->lock);
thread->exec = exec;
unlock(&thread->lock);
return 0;
}
static struct shim_handle_map* get_new_handle_map(FDTYPE size);
PAL_HANDLE shim_stdio = NULL;
static int __set_new_fd_handle(struct shim_fd_handle** fdhdl, FDTYPE fd, struct shim_handle* hdl,
int flags);
static struct shim_handle_map* __enlarge_handle_map(struct shim_handle_map* map, FDTYPE size);
int init_handle(void) {
create_lock(&handle_mgr_lock);
handle_mgr = create_mem_mgr(init_align_up(HANDLE_MGR_ALLOC));
if (!handle_mgr)
return -ENOMEM;
return 0;
}
int init_important_handles(void) {
struct shim_thread* thread = get_cur_thread();
if (thread->handle_map)
goto done;
struct shim_handle_map* handle_map = get_cur_handle_map(thread);
if (!handle_map) {
handle_map = get_new_handle_map(INIT_HANDLE_MAP_SIZE);
if (!handle_map)
return -ENOMEM;
set_handle_map(thread, handle_map);
}
lock(&handle_map->lock);
if (handle_map->fd_size < 3) {
if (!__enlarge_handle_map(handle_map, INIT_HANDLE_MAP_SIZE)) {
unlock(&handle_map->lock);
return -ENOMEM;
}
}
struct shim_handle* hdl = NULL;
int ret;
for (int fd = 0; fd < 3; fd++)
if (!HANDLE_ALLOCATED(handle_map->map[fd])) {
if (!hdl) {
hdl = get_new_handle();
if (!hdl)
return -ENOMEM;
if ((ret = init_tty_handle(hdl, fd)) < 0) {
put_handle(hdl);
return ret;
}
} else {
get_handle(hdl);
}
__set_new_fd_handle(&handle_map->map[fd], fd, hdl, 0);
put_handle(hdl);
if (fd != 1)
hdl = NULL;
} else {
if (fd == 1)
hdl = handle_map->map[fd]->handle;
}
if (handle_map->fd_top == FD_NULL || handle_map->fd_top < 2)
handle_map->fd_top = 2;
unlock(&handle_map->lock);
done:
init_exec_handle(thread);
return 0;
}
struct shim_handle* __get_fd_handle(FDTYPE fd, int* flags, struct shim_handle_map* map) {
struct shim_fd_handle* fd_handle = NULL;
if (map->fd_top != FD_NULL && fd <= map->fd_top) {
fd_handle = map->map[fd];
if (!HANDLE_ALLOCATED(fd_handle))
return NULL;
if (flags)
*flags = fd_handle->flags;
return fd_handle->handle;
}
return NULL;
}
struct shim_handle* get_fd_handle(FDTYPE fd, int* flags, struct shim_handle_map* map) {
if (!map)
map = get_cur_handle_map(NULL);
struct shim_handle* hdl = NULL;
lock(&map->lock);
if ((hdl = __get_fd_handle(fd, flags, map)))
get_handle(hdl);
unlock(&map->lock);
return hdl;
}
struct shim_handle* __detach_fd_handle(struct shim_fd_handle* fd, int* flags,
struct shim_handle_map* map) {
struct shim_handle* handle = NULL;
if (HANDLE_ALLOCATED(fd)) {
int vfd = fd->vfd;
handle = fd->handle;
if (flags)
*flags = fd->flags;
fd->vfd = FD_NULL;
fd->handle = NULL;
fd->flags = 0;
if (vfd == map->fd_top)
do {
map->fd_top = vfd ? vfd - 1 : FD_NULL;
vfd--;
} while (vfd >= 0 && !HANDLE_ALLOCATED(map->map[vfd]));
}
return handle;
}
struct shim_handle* detach_fd_handle(FDTYPE fd, int* flags, struct shim_handle_map* handle_map) {
struct shim_handle* handle = NULL;
if (!handle_map && !(handle_map = get_cur_handle_map(NULL)))
return NULL;
lock(&handle_map->lock);
if (fd < handle_map->fd_size)
handle = __detach_fd_handle(handle_map->map[fd], flags, handle_map);
unlock(&handle_map->lock);
return handle;
}
struct shim_handle* get_new_handle(void) {
struct shim_handle* new_handle =
get_mem_obj_from_mgr_enlarge(handle_mgr, size_align_up(HANDLE_MGR_ALLOC));
if (!new_handle)
return NULL;
memset(new_handle, 0, sizeof(struct shim_handle));
REF_SET(new_handle->ref_count, 1);
create_lock(&new_handle->lock);
new_handle->owner = cur_process.vmid;
INIT_LISTP(&new_handle->epolls);
return new_handle;
}
static int __set_new_fd_handle(struct shim_fd_handle** fdhdl, FDTYPE fd, struct shim_handle* hdl,
int flags) {
struct shim_fd_handle* new_handle = *fdhdl;
if (!new_handle) {
new_handle = malloc(sizeof(struct shim_fd_handle));
if (!new_handle)
return -ENOMEM;
*fdhdl = new_handle;
}
new_handle->vfd = fd;
new_handle->flags = flags;
get_handle(hdl);
new_handle->handle = hdl;
return 0;
}
int set_new_fd_handle(struct shim_handle* hdl, int flags, struct shim_handle_map* handle_map) {
FDTYPE fd = 0;
int new_size = 0;
int ret = 0;
if (!handle_map && !(handle_map = get_cur_handle_map(NULL)))
return -EBADF;
lock(&handle_map->lock);
if (!handle_map->map || handle_map->fd_size < INIT_HANDLE_MAP_SIZE)
new_size = INIT_HANDLE_MAP_SIZE;
if (!handle_map->map)
goto extend;
if (handle_map->fd_top != FD_NULL)
do {
++fd;
if (fd == handle_map->fd_size) {
new_size = handle_map->fd_size < new_size ? new_size : handle_map->fd_size * 2;
extend:
if (!__enlarge_handle_map(handle_map, new_size)) {
ret = -ENOMEM;
goto out;
}
}
} while (handle_map->fd_top != FD_NULL && fd <= handle_map->fd_top &&
HANDLE_ALLOCATED(handle_map->map[fd]));
if (handle_map->fd_top == FD_NULL || fd > handle_map->fd_top)
handle_map->fd_top = fd;
ret = __set_new_fd_handle(&handle_map->map[fd], fd, hdl, flags);
if (ret < 0) {
if (fd == handle_map->fd_top)
handle_map->fd_top = fd ? fd - 1 : FD_NULL;
} else
ret = fd;
out:
unlock(&handle_map->lock);
return ret;
}
int set_new_fd_handle_by_fd(FDTYPE fd, struct shim_handle* hdl, int flags,
struct shim_handle_map* handle_map) {
int new_size = 0;
int ret = 0;
if (!handle_map && !(handle_map = get_cur_handle_map(NULL)))
return -EBADF;
lock(&handle_map->lock);
if (!handle_map->map || handle_map->fd_size < INIT_HANDLE_MAP_SIZE)
new_size = INIT_HANDLE_MAP_SIZE;
if (!handle_map->map)
goto extend;
if (fd >= handle_map->fd_size) {
new_size = handle_map->fd_size < new_size ? new_size : handle_map->fd_size;
extend:
while (new_size <= fd) new_size *= 2;
if (!__enlarge_handle_map(handle_map, new_size)) {
ret = -ENOMEM;
goto out;
}
}
if (handle_map->fd_top != FD_NULL && fd <= handle_map->fd_top &&
HANDLE_ALLOCATED(handle_map->map[fd])) {
ret = -EBADF;
goto out;
}
if (handle_map->fd_top == FD_NULL || fd > handle_map->fd_top)
handle_map->fd_top = fd;
struct shim_fd_handle* new_handle = handle_map->map[fd];
if (!new_handle) {
new_handle = malloc(sizeof(struct shim_fd_handle));
if (!new_handle) {
ret = -ENOMEM;
goto out;
}
handle_map->map[fd] = new_handle;
}
ret = __set_new_fd_handle(&handle_map->map[fd], fd, hdl, flags);
if (ret < 0) {
if (fd == handle_map->fd_top)
handle_map->fd_top = fd ? fd - 1 : FD_NULL;
} else
ret = fd;
out:
unlock(&handle_map->lock);
return ret;
}
void flush_handle(struct shim_handle* hdl) {
if (hdl->fs && hdl->fs->fs_ops && hdl->fs->fs_ops->flush)
hdl->fs->fs_ops->flush(hdl);
}
static inline __attribute__((unused)) const char* __handle_name(struct shim_handle* hdl) {
if (!qstrempty(&hdl->path))
return qstrgetstr(&hdl->path);
if (!qstrempty(&hdl->uri))
return qstrgetstr(&hdl->uri);
if (hdl->fs_type[0])
return hdl->fs_type;
return "(unknown)";
}
void get_handle(struct shim_handle* hdl) {
#ifdef DEBUG_REF
int ref_count = REF_INC(hdl->ref_count);
debug("get handle %p(%s) (ref_count = %d)\n", hdl, __handle_name(hdl), ref_count);
#else
REF_INC(hdl->ref_count);
#endif
}
static void destroy_handle(struct shim_handle* hdl) {
destroy_lock(&hdl->lock);
if (memory_migrated(hdl))
memset(hdl, 0, sizeof(struct shim_handle));
else
free_mem_obj_to_mgr(handle_mgr, hdl);
}
extern int delete_from_epoll_handles(struct shim_handle* handle);
void put_handle(struct shim_handle* hdl) {
int ref_count = REF_DEC(hdl->ref_count);
#ifdef DEBUG_REF
debug("put handle %p(%s) (ref_count = %d)\n", hdl, __handle_name(hdl), ref_count);
#endif
if (!ref_count) {
if (hdl->type == TYPE_DIR) {
struct shim_dir_handle* dir = &hdl->dir_info;
if (dir->dot) {
put_dentry(dir->dot);
dir->dot = NULL;
}
if (dir->dotdot) {
put_dentry(dir->dotdot);
dir->dotdot = NULL;
}
if (dir->ptr != (void*)-1) {
while (dir->ptr && *dir->ptr) {
struct shim_dentry* dent = *dir->ptr;
put_dentry(dent);
*(dir->ptr++) = NULL;
}
}
} else {
if (hdl->fs && hdl->fs->fs_ops && hdl->fs->fs_ops->close)
hdl->fs->fs_ops->close(hdl);
}
delete_from_epoll_handles(hdl);
if (hdl->fs && hdl->fs->fs_ops && hdl->fs->fs_ops->hput)
hdl->fs->fs_ops->hput(hdl);
qstrfree(&hdl->path);
qstrfree(&hdl->uri);
if (hdl->pal_handle) {
#ifdef DEBUG_REF
debug("handle %p closes PAL handle %p\n", hdl, hdl->pal_handle);
#endif
DkObjectClose(hdl->pal_handle);
hdl->pal_handle = NULL;
}
if (hdl->dentry)
put_dentry(hdl->dentry);
if (hdl->fs)
put_mount(hdl->fs);
destroy_handle(hdl);
}
}
off_t get_file_size(struct shim_handle* hdl) {
if (!hdl->fs || !hdl->fs->fs_ops)
return -EINVAL;
if (hdl->fs->fs_ops->poll)
return hdl->fs->fs_ops->poll(hdl, FS_POLL_SZ);
if (hdl->fs->fs_ops->hstat) {
struct stat stat;
int ret = hdl->fs->fs_ops->hstat(hdl, &stat);
if (ret < 0)
return ret;
return stat.st_size;
}
return 0;
}
void dup_fd_handle(struct shim_handle_map* map, const struct shim_fd_handle* old,
struct shim_fd_handle* new) {
struct shim_handle* replaced = NULL;
lock(&map->lock);
if (old->vfd != FD_NULL) {
get_handle(old->handle);
replaced = new->handle;
new->handle = old->handle;
}
unlock(&map->lock);
if (replaced)
put_handle(replaced);
}
static struct shim_handle_map* get_new_handle_map(FDTYPE size) {
struct shim_handle_map* handle_map = calloc(1, sizeof(struct shim_handle_map));
if (!handle_map)
return NULL;
handle_map->map = calloc(size, sizeof(struct shim_fd_handle));
if (!handle_map->map) {
free(handle_map);
return NULL;
}
handle_map->fd_top = FD_NULL;
handle_map->fd_size = size;
create_lock(&handle_map->lock);
return handle_map;
}
static struct shim_handle_map* __enlarge_handle_map(struct shim_handle_map* map, FDTYPE size) {
if (size <= map->fd_size)
return map;
struct shim_fd_handle** new_map = calloc(size, sizeof(new_map[0]));
if (!new_map)
return NULL;
memcpy(new_map, map->map, map->fd_size * sizeof(new_map[0]));
memset(new_map + map->fd_size, 0, (size - map->fd_size) * sizeof(new_map[0]));
free(map->map);
map->map = new_map;
map->fd_size = size;
return map;
}
int dup_handle_map(struct shim_handle_map** new, struct shim_handle_map* old_map) {
lock(&old_map->lock);
/* allocate a new handle mapping with the same size as
the old one */
struct shim_handle_map* new_map = get_new_handle_map(old_map->fd_size);
if (!new_map)
return -ENOMEM;
new_map->fd_top = old_map->fd_top;
if (old_map->fd_top == FD_NULL)
goto done;
for (int i = 0; i <= old_map->fd_top; i++) {
struct shim_fd_handle* fd_old = old_map->map[i];
struct shim_fd_handle* fd_new;
/* now we go through the handle map and reassign each
of them being allocated */
if (HANDLE_ALLOCATED(fd_old)) {
/* first, get the handle to prevent it from being deleted */
struct shim_handle* hdl = fd_old->handle;
get_handle(hdl);
fd_new = malloc(sizeof(struct shim_fd_handle));
if (!fd_new) {
for (int j = 0; j < i; j++) {
put_handle(new_map->map[j]->handle);
free(new_map->map[j]);
}
unlock(&old_map->lock);
*new = NULL;
free(new_map);
return -ENOMEM;
}
/* DP: I assume we really need a deep copy of the handle map? */
new_map->map[i] = fd_new;
fd_new->vfd = fd_old->vfd;
fd_new->handle = hdl;
fd_new->flags = fd_old->flags;
}
}
done:
unlock(&old_map->lock);
*new = new_map;
return 0;
}
void get_handle_map(struct shim_handle_map* map) {
REF_INC(map->ref_count);
}
void put_handle_map(struct shim_handle_map* map) {
int ref_count = REF_DEC(map->ref_count);
if (!ref_count) {
if (map->fd_top == FD_NULL)
goto done;
for (int i = 0; i <= map->fd_top; i++) {
if (!map->map[i])
continue;
if (map->map[i]->vfd != FD_NULL) {
struct shim_handle* handle = map->map[i]->handle;
if (handle)
put_handle(handle);
}
free(map->map[i]);
}
done:
destroy_lock(&map->lock);
free(map->map);
free(map);
}
}
int flush_handle_map(struct shim_handle_map* map) {
get_handle_map(map);
lock(&map->lock);
if (map->fd_top == FD_NULL)
goto done;
/* now we go through the handle map and flush each handle */
for (int i = 0; i <= map->fd_top; i++) {
if (!HANDLE_ALLOCATED(map->map[i]))
continue;
struct shim_handle* handle = map->map[i]->handle;
if (handle)
flush_handle(handle);
}
done:
unlock(&map->lock);
put_handle_map(map);
return 0;
}
int walk_handle_map(int (*callback)(struct shim_fd_handle*, struct shim_handle_map*),
struct shim_handle_map* map) {
int ret = 0;
lock(&map->lock);
if (map->fd_top == FD_NULL)
goto done;
for (int i = 0; i <= map->fd_top; i++) {
if (!HANDLE_ALLOCATED(map->map[i]))
continue;
if ((ret = (*callback)(map->map[i], map)) < 0)
break;
}
done:
unlock(&map->lock);
return ret;
}
BEGIN_CP_FUNC(handle) {
assert(size == sizeof(struct shim_handle));
struct shim_handle* hdl = (struct shim_handle*)obj;
struct shim_handle* new_hdl = NULL;
ptr_t off = GET_FROM_CP_MAP(obj);
if (!off) {
off = ADD_CP_OFFSET(sizeof(struct shim_handle));
ADD_TO_CP_MAP(obj, off);
new_hdl = (struct shim_handle*)(base + off);
lock(&hdl->lock);
struct shim_mount* fs = hdl->fs;
*new_hdl = *hdl;
if (fs && fs->fs_ops && fs->fs_ops->checkout)
fs->fs_ops->checkout(new_hdl);
new_hdl->dentry = NULL;
REF_SET(new_hdl->ref_count, 0);
clear_lock(&new_hdl->lock);
DO_CP_IN_MEMBER(qstr, new_hdl, path);
DO_CP_IN_MEMBER(qstr, new_hdl, uri);
if (fs && hdl->dentry) {
DO_CP_MEMBER(mount, hdl, new_hdl, fs);
} else {
new_hdl->fs = NULL;
}
if (hdl->dentry)
DO_CP_MEMBER(dentry, hdl, new_hdl, dentry);
if (new_hdl->pal_handle) {
struct shim_palhdl_entry* entry;
DO_CP(palhdl, hdl->pal_handle, &entry);
entry->uri = &new_hdl->uri;
entry->phandle = &new_hdl->pal_handle;
}
if (hdl->type == TYPE_EPOLL)
DO_CP(epoll_fd, &hdl->info.epoll.fds, &new_hdl->info.epoll.fds);
INIT_LISTP(&new_hdl->epolls);
unlock(&hdl->lock);
ADD_CP_FUNC_ENTRY(off);
} else {
new_hdl = (struct shim_handle*)(base + off);
}
if (objp)
*objp = (void*)new_hdl;
}
END_CP_FUNC(handle)
BEGIN_RS_FUNC(handle) {
struct shim_handle* hdl = (void*)(base + GET_CP_FUNC_ENTRY());
__UNUSED(offset);
CP_REBASE(hdl->fs);
CP_REBASE(hdl->dentry);
CP_REBASE(hdl->epolls);
create_lock(&hdl->lock);
if (!hdl->fs) {
assert(hdl->fs_type);
search_builtin_fs(hdl->fs_type, &hdl->fs);
if (!hdl->fs)
return -EINVAL;
}
if (hdl->fs && hdl->fs->fs_ops && hdl->fs->fs_ops->checkin)
hdl->fs->fs_ops->checkin(hdl);
DEBUG_RS("path=%s,type=%s,uri=%s,flags=%03o", qstrgetstr(&hdl->path), hdl->fs_type,
qstrgetstr(&hdl->uri), hdl->flags);
}
END_RS_FUNC(handle)
BEGIN_CP_FUNC(fd_handle) {
assert(size == sizeof(struct shim_fd_handle));
struct shim_fd_handle* fdhdl = (struct shim_fd_handle*)obj;
struct shim_fd_handle* new_fdhdl = NULL;
ptr_t off = ADD_CP_OFFSET(sizeof(struct shim_fd_handle));
new_fdhdl = (struct shim_fd_handle*)(base + off);
memcpy(new_fdhdl, fdhdl, sizeof(struct shim_fd_handle));
DO_CP(handle, fdhdl->handle, &new_fdhdl->handle);
ADD_CP_FUNC_ENTRY(off);
if (objp)
*objp = (void*)new_fdhdl;
}
END_CP_FUNC_NO_RS(fd_handle)
BEGIN_CP_FUNC(handle_map) {
assert(size >= sizeof(struct shim_handle_map));
struct shim_handle_map* handle_map = (struct shim_handle_map*)obj;
struct shim_handle_map* new_handle_map = NULL;
struct shim_fd_handle** ptr_array;
lock(&handle_map->lock);
int fd_size = handle_map->fd_top != FD_NULL ? handle_map->fd_top + 1 : 0;
size = sizeof(struct shim_handle_map) + (sizeof(struct shim_fd_handle*) * fd_size);
ptr_t off = GET_FROM_CP_MAP(obj);
if (!off) {
off = ADD_CP_OFFSET(size);
new_handle_map = (struct shim_handle_map*)(base + off);
memcpy(new_handle_map, handle_map, sizeof(struct shim_handle_map));
ptr_array = (void*)new_handle_map + sizeof(struct shim_handle_map);
new_handle_map->fd_size = fd_size;
new_handle_map->map = fd_size ? ptr_array : NULL;
REF_SET(new_handle_map->ref_count, 0);
clear_lock(&new_handle_map->lock);
for (int i = 0; i < fd_size; i++) {
if (HANDLE_ALLOCATED(handle_map->map[i]))
DO_CP(fd_handle, handle_map->map[i], &ptr_array[i]);
else
ptr_array[i] = NULL;
}
ADD_CP_FUNC_ENTRY(off);
} else {
new_handle_map = (struct shim_handle_map*)(base + off);
}
unlock(&handle_map->lock);
if (objp)
*objp = (void*)new_handle_map;
}
END_CP_FUNC(handle_map)
BEGIN_RS_FUNC(handle_map) {
struct shim_handle_map* handle_map = (void*)(base + GET_CP_FUNC_ENTRY());
__UNUSED(offset);
CP_REBASE(handle_map->map);
assert(handle_map->map);
DEBUG_RS("size=%d,top=%d", handle_map->fd_size, handle_map->fd_top);
create_lock(&handle_map->lock);
lock(&handle_map->lock);
if (handle_map->fd_top != FD_NULL)
for (int i = 0; i <= handle_map->fd_top; i++) {
CP_REBASE(handle_map->map[i]);
if (HANDLE_ALLOCATED(handle_map->map[i])) {
CP_REBASE(handle_map->map[i]->handle);
struct shim_handle* hdl = handle_map->map[i]->handle;
assert(hdl);
get_handle(hdl);
DEBUG_RS("[%d]%s", i, qstrempty(&hdl->uri) ? hdl->fs_type : qstrgetstr(&hdl->uri));
}
}
unlock(&handle_map->lock);
}
END_RS_FUNC(handle_map)