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_open_files(p = ps_handle())Value
Data frame with columns: fd and path. fd is numeric
file descriptor on POSIX systems, NA on Windows. path is an
absolute path to the file.
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_fds(),
ps_num_threads(),
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_open_files(p)
#> # A data frame: 17 × 2
#> fd path
#> <int> <chr>
#> 1 0 pipe:[31093]
#> 2 1 pipe:[31094]
#> 3 2 pipe:[31095]
#> 4 3 /home/runner/work/_temp/1a362674-bafb-44d0-908a-cc673aea222d
#> 5 4 anon_inode:[eventpoll]
#> 6 5 anon_inode:[io_uring]
#> 7 6 anon_inode:[io_uring]
#> 8 7 pipe:[32407]
#> 9 8 pipe:[32407]
#> 10 9 pipe:[32408]
#> 11 10 pipe:[32408]
#> 12 11 anon_inode:[eventfd]
#> 13 12 pipe:[30306]
#> 14 13 pipe:[30306]
#> 15 18 /tmp/Rtmpw3u4Ws/Rf1b795bcc24a9 (deleted)
#> 16 142 pipe:[14118]
#> 17 145 pipe:[14119]
f <- file(tmp <- tempfile(), "w")
ps_open_files(p)
#> # A data frame: 18 × 2
#> fd path
#> <int> <chr>
#> 1 0 pipe:[31093]
#> 2 1 pipe:[31094]
#> 3 2 pipe:[31095]
#> 4 3 /home/runner/work/_temp/1a362674-bafb-44d0-908a-cc673aea222d
#> 5 4 anon_inode:[eventpoll]
#> 6 5 anon_inode:[io_uring]
#> 7 6 anon_inode:[io_uring]
#> 8 7 pipe:[32407]
#> 9 8 pipe:[32407]
#> 10 9 pipe:[32408]
#> 11 10 pipe:[32408]
#> 12 11 anon_inode:[eventfd]
#> 13 12 pipe:[30306]
#> 14 13 pipe:[30306]
#> 15 18 /tmp/Rtmpw3u4Ws/Rf1b795bcc24a9 (deleted)
#> 16 19 /tmp/Rtmpw3u4Ws/file1b796b8b650d
#> 17 142 pipe:[14118]
#> 18 145 pipe:[14119]
close(f)
unlink(tmp)
ps_open_files(p)
#> # A data frame: 17 × 2
#> fd path
#> <int> <chr>
#> 1 0 pipe:[31093]
#> 2 1 pipe:[31094]
#> 3 2 pipe:[31095]
#> 4 3 /home/runner/work/_temp/1a362674-bafb-44d0-908a-cc673aea222d
#> 5 4 anon_inode:[eventpoll]
#> 6 5 anon_inode:[io_uring]
#> 7 6 anon_inode:[io_uring]
#> 8 7 pipe:[32407]
#> 9 8 pipe:[32407]
#> 10 9 pipe:[32408]
#> 11 10 pipe:[32408]
#> 12 11 anon_inode:[eventfd]
#> 13 12 pipe:[30306]
#> 14 13 pipe:[30306]
#> 15 18 /tmp/Rtmpw3u4Ws/Rf1b795bcc24a9 (deleted)
#> 16 142 pipe:[14118]
#> 17 145 pipe:[14119]