processx
Execute and Control System Processes
v3.9.0
·
Apr 22, 2026
·
MIT + file LICENSE
Description
Tools to run system processes in the background. It can check if a background process is running; wait on a background process to finish; get the exit status of finished processes; kill background processes. It can read the standard output and error of the processes, using non-blocking connections. 'processx' can poll a process for standard output or error, with a timeout. It can also poll several processes at once.
Downloads
CRAN
1.4M
Last 30 days
28th
3.9M
Last 90 days
13.7M
Last year
Trend: +22.8% (30d vs prior 30d)
r2u
CRAN
21.1K
Last 30 days
68K
Last 90 days
145.2K
Last year
Trend: -28.4% (30d vs prior 30d)
autoCRAN
24
Last 7 days
206
Last 30 days
2
All-time
⚠ Shared name: this package is also shipped elsewhere on openSUSE, so this count is not exclusive to autoCRAN (it is an upper bound).
CRAN Check Status
13
OK
Show all 13 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | OK |
| r-devel-linux-x86_64-debian-gcc | OK |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | OK |
| r-oldrel-macos-x86_64 | OK |
| r-oldrel-windows-x86_64 | OK |
| r-patched-linux-x86_64 | OK |
| r-release-linux-x86_64 | OK |
| r-release-macos-arm64 | OK |
| r-release-macos-x86_64 | OK |
| r-release-windows-x86_64 | OK |
Check History
OK 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Jun 9, 2026
ERROR 12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Jun 8, 2026
ERROR
r-devel-linux-x86_64-debian-gcc
tests
Running ‘testthat.R’ [39s/63s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
> # This file is part of the standard setup for testthat.
> # It is recommended that you do not modify it.
> #
> # Where should you do additional
...[truncated]...
═══════════════════════════════════════════════════
Error:
! Test failures.
Warning message:
In dir.create(path, recursive = TRUE) :
cannot create dir '/tmp/Rtmp1cNjrx/filed906cefda009', reason 'No space left on device'
Execution halted
OK 12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 25, 2026
WARNING 13 OK · 0 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE Apr 24, 2026
WARNING
r-oldrel-windows-x86_64
whether package can be installed
Found the following significant warnings: init.c:44:6: warning: function declaration isn't a prototype [-Wstrict-prototypes] init.c:59:6: warning: function declaration isn't a prototype [-Wstrict-prototypes] See 'd:/Rcompile/CRANpkg/local/4.4/processx.Rcheck/00install.out' for details. * used C compiler: 'gcc.exe (GCC) 13.3.0'
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 9, 2026
WARNING 9 OK · 4 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE Mar 20, 2026
NOTE
r-devel-linux-x86_64-debian-clang
compiled code
File ‘processx/libs/processx.so’: Found non-API call to R: ‘Rf_findVar’ Compiled code should not call non-API entry points in R. See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual, and section ‘Moving into C API compliance’ for issues with the use of non-API entry points.
WARNING
r-devel-linux-x86_64-debian-gcc
compiled code
File ‘processx/libs/processx.so’: Found non-API call to R: ‘Rf_findVar’ This entry point may be removed soon. Compiled code should not call non-API entry points in R. See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual, and section ‘Moving into C API compliance’ for issues with the use of non-API entry points.
NOTE
r-devel-linux-x86_64-fedora-clang
compiled code
File ‘processx/libs/processx.so’: Found non-API call to R: ‘Rf_findVar’ Compiled code should not call non-API entry points in R. See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual, and section ‘Moving into C API compliance’ for issues with the use of non-API entry points.
NOTE
r-devel-linux-x86_64-fedora-gcc
compiled code
File ‘processx/libs/processx.so’: Found non-API call to R: ‘Rf_findVar’ Compiled code should not call non-API entry points in R. See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual, and section ‘Moving into C API compliance’ for issues with the use of non-API entry points.
NOTE
r-devel-windows-x86_64
compiled code
File 'processx/libs/x64/processx.dll': Found non-API call to R: 'Rf_findVar' Compiled code should not call non-API entry points in R. See 'Writing portable packages' in the 'Writing R Extensions' manual, and section 'Moving into C API compliance' for issues with the use of non-API entry points.
NOTE 13 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 16, 2026
NOTE
r-devel-linux-x86_64-debian-gcc
compiled code
File ‘processx/libs/processx.so’: Found non-API call to R: ‘Rf_findVar’ Compiled code should not call non-API entry points in R. See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual, and section ‘Moving into C API compliance’ for issues with the use of non-API entry points.
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
Reverse Dependencies (118)
imports
AzureContainers Colossus GenoTriplo MainExistingDatasets Rsagacmd SigBridgeRUtils aisdk asciicast babelwhale callr chattr chromote citestR cliff cloudml condathis corteza courieR crew doconv drogonR dynwrap episomer eplusr gittargets gooseR gtfstools guildai gwpcormapper jdenticon mcptools minioclient mlflow nlmixr2auto osrm.backend pagedown photon pingr pkgbuild pkgcache pkgdepends pkgload pomdp proffer pysparklyr qgisprocess qsub quarto rMIDAS2 rbi rchroma rcloner repana rextendr rgee rhub rixpress rlmstudio rmon rosmium rsyncrosim rush sarsop selenium starburst tensorflow testthat typr ukbflow virtuoso vvbitwarden wdman xopen
linking_to
suggests
AzureStor CohortContrast OmopStudyBuilder ReviewR activAnalyzer azr bbotk blogdown brms bsicons btw cli cmdfun cyclocomp dataquieR db2pq formatters ggWebGL golem jgd languageserver liteq llmshieldr mlr3fselect mlr3hyperband mlr3mbo mlr3tuning nanoparquet orderly otel otelsdk pak plotly ps rcmdcheck rlistings rtiddlywiki shidashi shiny.webawesome shinyTempSignal targets tfdeploy vaultr webfakes zip
Dependency Network
Version History
31 tracked
new
3.8.6
Mar 10, 2026