Signals {base}R Documentation

Interrupting Execution of R

Description

On receiving SIGUSR1 R will save the workspace and quit. SIGUSR2 has the same result except that the .Last function and on.exit expressions will not be called.

Usage

kill -USR1 pid
kill -USR2 pid

Arguments

pid

The process ID of the R process.

Details

The commands history will also be saved if would be at normal termination.

Warning

It is possible that one or more R objects will be undergoing modification at the time the signal is sent. These objects could be saved in a corrupted form.

See Also

Sys.getpid to report the process ID for future use.


[Package base version 3.0.1 Index]