High-Performance Open-Source Archive
CLOCK_REALTIME - CLOCK_MONOTONIC instead of
/proc/stat btime, giving sub-second precision (previously,
integer-second boot time caused up to 1s error). Handle validation
accepts both the precise and the legacy boot time, so handles created by
older versions of processx continue to work. For
https://github.com/r-lib/processx/issues/394 and
https://github.com/r-lib/processx/issues/402.ps_string() for uniquely identifying a process
(#208, @dansmith01).ps_memory_full_info() now contains
maxrss, the maximum resident set size for the calling
process.
New columns argument in ps(), to
customize what data is returned (#138).
New ps_apps() function to list all running
applications on macOS.
New function ps_disk_io_counters() to query disk I/O
counters (#145, @michaelwalshe).
New ps_fs_info() to query information about the file
system of one or more files or directories.
New ps_wait() to start an interruptible wait on
multiple processes, with a timeout (#166).
ps_handle() now allows a numeric (double) scalar as
the pid, as long as its value is integer.
ps_send_signal(), ps_suspend(),
ps_resume(), ps_terminate(),
ps_kill(), and ps_interrupt() can now operate
on multiple processes, if passed a list of process handles.
ps_kill() and ps_kill_tree() have a new
grace argument. On Unix, if this argument is not zero, then
ps_kill() first sends a TERM signal, and waits
for the processes to quit gracefully, via ps_wait(). The
processes that are still alive after the grace period are then killed
with SIGKILL.
ps_status() (and thus ps()) is now
better at getting the correct status of processes on macOS. This usually
requires calling the external ps tool. See
?ps_status() on how to opt out from the new behavior
(#31).
ps_cpu_times() values are now correct on newer arm64
macOS.ps_name() now does not fail in the rare case when
ps_cmdline() returns an empty vector (#150).
ps_system_cpu_times() now returns CPU times divided
by the HZ as reported by CLK_TCK, in-line with other OS’s and the
per-process version. (#144, @michaelwalshe).
No user visible changes.
ps::ps_get_cpu_affinity() now works for other processes
on Linux, not only the calling process.ps_disk_usage(),
ps_disk_partitions() and ps_shared_lib_users()
now do not include a spurious stringsAsFactors column.ps_system_memory()$percent now returns a number scaled
between 0 and 100 on Windows, rather than between 0 and 1 (#131, @francisbarton).ps now returns data frames instead of tibbles. While data frames
and tibbles are very similar, they are not completely compatible. To
convert the output of ps to tibbles call the
tibble::as_tibble() function on them.
ps() now does not fail if both user and
after are specified (#129).
ps now compiles on platforms that enable OpenMP (#109).
New functions ps_get_cpu_affinity() and
ps_set_cpu_affinity() to query and set CPU affinity
(#123).
ps_memory_info() now does not mix up
rss and vms on Linux.
ps_memory_info() now reports memory in bytes instead
of pages on Linux (#115)
New function ps_system_cpu_times() to calculate
system CPU times.
New function ps_loadavg() to show the Unix style
load average.
New function ps_shared_libs() to list the loaded
shared libraries of a process, on Windows.
New function ps_shared_lib_users() to list all
processes that loaded a certain shared library, on Windows.
New function ps_descent() to query the ancestry of a
process.
ps is now under the MIT license.
Process functions now default to the calling R process. So
e.g. you can write simply ps_connections() to list all
network connections of the current process, instead of
ps_connections(ps_handle()).
New ps_get_nice() and ps_set_nice()
functions to get and set the priority of a process (#89).
New ps_system_memory() and
ps_system_swap() functions, to return information about
system memory and swap usage.
New ps_disk_partitions() and
ps_disk_usage() functions, they return information about
file systems, similarly to the mount and df
Unix commands.
New ps_tty_size() function to query the size of the
terminal.
Fixed an issue in CleanupReporter() that triggered
random failures on macOS.
ps_cpu_count() now reports the correct number on
Windows, even if the package binary was built on a Windows version with
a different API (#77).New function errno() returns a table of
errno.h error codes and their description.
ps now compiles again on Solaris.
cmd /c ver looks different (#69).ps_cpu_count() function returns the number of
logical or physical processors.New ps_connections() to list network connections.
The CleanupReporter() testthat reporter can check for
leftover open network connections in test cases.
ps_open_files() does not include open sockets now on
Linux, they are rather included in
ps_connections().
CleanupReporter() now ignores
/dev/urandom, some packages (curl, openssl, etc.) keep this
file open.
Fix ps() printing without the tibble package
(#43).
Fix compilation with ICC (#39).
Fix a crash on Linux (#47).
New ps_num_fds() returns the number of open
files/handles.
New ps_open_files() lists all open files of a
process.
New ps_interrupt() interrupts a process. It sends a
SIGINT signal on POSIX systems, and it can send CTRL+C or
CTRL+BREAK events on Windows.
New ps_users() lists users connected to the
system.
New ps_mark_tree(), ps_find_tree(),
ps_kill_tree(), with_process_cleanup():
functions to mark and clean up child processes.
New CleanupReporter, to be used with testthat: it
checks for leftover child processes and open files in
test_that() blocks.
First released version.
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