Module thread_safety 

Provide limited protection for multithreaded access to the R API.

Re-exports

use extendr_ffi::R_MakeUnwindCont; 🔒

use extendr_ffi::R_UnwindProtect; 🔒

use extendr_ffi::Rboolean; 🔒

use extendr_ffi::Rf_error; 🔒

use extendr_ffi::Rf_protect; 🔒

use extendr_ffi::Rf_unprotect; 🔒

use std::cell::Cell; 🔒

use std::sync::Mutex; 🔒

use crate::*; 🔒

Constants

THREAD_HAS_LOCK 🔒

Statics

R_API_LOCK 🔒

A global lock, that should represent the global lock on the R-API. It is not tied to an actual instance of R.

R_ERROR_BUF 🔒

Functions

catch_r_error

Wrap an R function such as Rf_findFunction and convert errors and panics into results.

register_extendr_panic_hook

This function registers a configurable print panic hook, for use in extendr-based R-packages. If the environment variable EXTENDR_BACKTRACE is set to either true or 1, then it displays the entire Rust panic traceback (default hook), otherwise it omits the panic backtrace.

single_threaded

Run f while ensuring that f runs in a single-threaded manner.

stop

An alias to throw_r_error

throw_r_error

Signals an error via extendr_ffi::Rf_error