ps_num_fds

0th

Percentile

Number of open file descriptors

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)
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_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_status(), ps_suspend(), ps_terminal(), ps_terminate(), ps_uids(), ps_username()

Aliases
  • ps_num_fds
Examples
# NOT RUN {
p <- ps_handle()
ps_num_fds(p)
f <- file(tmp <- tempfile(), "w")
ps_num_fds(p)
close(f)
unlink(tmp)
ps_num_fds(p)
# }
Documentation reproduced from package ps, version 1.3.2, License: BSD_3_clause + file LICENSE

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