498   process_files = processCB->files;  in files_close_internal()
780   struct files_struct *files = LOS_MemAlloc(m_aucSysMem0, sizeof(struct files_struct));  in alloc_files()  local
781   if (!files)  in alloc_files()
786   files->count = 1;  in alloc_files()
787   files->file_lock = 0;  in alloc_files()
788   files->next_fd = 3;  in alloc_files()
790   spin_lock_init(&files->workdir_lock);  in alloc_files()
791   memset_s(files->workdir, PATH_MAX, 0, PATH_MAX);  in alloc_files()
792   files->workdir[0] = '/';  in alloc_files()
794   files->fdt = alloc_fd_table(NR_OPEN_DEFAULT);  in alloc_files()
795   if (!files->fdt)  in alloc_files()
798       (VOID)LOS_MemFree(m_aucSysMem0, files);  in alloc_files()
806   files->rootVnode = VnodeGetRoot();  in alloc_files()
809   return files;  in alloc_files()
816   struct files_struct *files = NULL;  in dup_fd()  local
821   files = LOS_MemAlloc(m_aucSysMem0, sizeof(struct files_struct));  in dup_fd()
822   if(!files)  in dup_fd()
827   files->count = 1;  in dup_fd()
828   files->file_lock = 0;  in dup_fd()
829   files->next_fd = old_files->next_fd;  in dup_fd()
831   spin_lock_init(&files->workdir_lock);  in dup_fd()
832   memset_s(files->workdir, PATH_MAX, 0, PATH_MAX);  in dup_fd()
833   strncpy_s(files->workdir, PATH_MAX - 1, old_files->workdir, PATH_MAX - 1);  in dup_fd()
840       (VOID)LOS_MemFree(m_aucSysMem0, files);  in dup_fd()
844   files->fdt = new_fdt;  in dup_fd()
850   files->rootVnode = old_files->rootVnode;  in dup_fd()
853   return files;  in dup_fd()
864 void delete_files(struct files_struct *files)  in delete_files()  argument
866   if (files == NULL)  in delete_files()
872   if ((files->rootVnode != NULL) && (files->rootVnode->useCount > 0))  in delete_files()
874       files->rootVnode->useCount--;  in delete_files()
878   if (files->fdt == NULL)  in delete_files()
883   for (int i = 0; i < files->fdt->max_fds; i++)  in delete_files()
885       if (FD_ISSET(i, files->fdt->proc_fds))  in delete_files()
893   (VOID)sem_destroy(&files->fdt->ft_sem);  in delete_files()
894   (VOID)LOS_MemFree(m_aucSysMem0, files->fdt->ft_fds);  in delete_files()
895   (VOID)LOS_MemFree(m_aucSysMem0, files->fdt->proc_fds);  in delete_files()
896   (VOID)LOS_MemFree(m_aucSysMem0, files->fdt);  in delete_files()
898   (VOID)LOS_MemFree(m_aucSysMem0, files);  in delete_files()
906   struct files_struct *files = NULL;  in create_files_snapshot()  local
911   files = LOS_MemAlloc(m_aucSysMem0, sizeof(struct files_struct));  in create_files_snapshot()
912   if (!files)  in create_files_snapshot()
917   files->count = 1;  in create_files_snapshot()
918   files->file_lock = 0;  in create_files_snapshot()
919   files->next_fd = old_files->next_fd;  in create_files_snapshot()
921   spin_lock_init(&files->workdir_lock);  in create_files_snapshot()
922   memset_s(files->workdir, PATH_MAX, 0, PATH_MAX);  in create_files_snapshot()
923   strncpy_s(files->workdir, PATH_MAX - 1, old_files->workdir, PATH_MAX - 1);  in create_files_snapshot()
930       (VOID)LOS_MemFree(m_aucSysMem0, files);  in create_files_snapshot()
934   files->fdt = new_fdt;  in create_files_snapshot()
940   files->rootVnode = old_files->rootVnode;  in create_files_snapshot()
943   return files;  in create_files_snapshot()
947 void delete_files_snapshot(struct files_struct *files)  in delete_files_snapshot()  argument
949   if (files == NULL)  in delete_files_snapshot()
953   if (files->fdt == NULL)  in delete_files_snapshot()
958   (VOID)sem_destroy(&files->fdt->ft_sem);  in delete_files_snapshot()
959   (VOID)LOS_MemFree(m_aucSysMem0, files->fdt->ft_fds);  in delete_files_snapshot()
960   (VOID)LOS_MemFree(m_aucSysMem0, files->fdt->proc_fds);  in delete_files_snapshot()
961   (VOID)LOS_MemFree(m_aucSysMem0, files->fdt);  in delete_files_snapshot()
963   (VOID)LOS_MemFree(m_aucSysMem0, files);  in delete_files_snapshot()