ps_num_fds: Number of open file descriptors

In ps: List, Query, Manipulate System Processes

Number of open file descriptors

Description

Note that in some IDEs, e.g. RStudio or R.app on macOS, the IDE itself opens files from other threads, in addition to the files opened from the main R thread.

Usage

ps_num_fds(p = ps_handle())

Arguments

p	Process handle.

Details

For a zombie process it throws a zombie_process error.

Value

Integer scalar.

See Also

Other process handle functions: ps_children(), ps_cmdline(), ps_connections(), ps_cpu_times(), ps_create_time(), ps_cwd(), ps_descent(), ps_environ(), ps_exe(), ps_handle(), ps_interrupt(), ps_is_running(), ps_kill(), ps_memory_info(), ps_name(), ps_num_threads(), ps_open_files(), ps_pid(), ps_ppid(), ps_resume(), ps_send_signal(), ps_shared_libs(), ps_status(), ps_suspend(), ps_terminal(), ps_terminate(), ps_uids(), ps_username()

Examples

p <- ps_handle()
ps_num_fds(p)
f <- file(tmp <- tempfile(), "w")
ps_num_fds(p)
close(f)
unlink(tmp)
ps_num_fds(p)

ps documentation built on April 12, 2025, 5:08 p.m.