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Merged
merged 1 commit into from
May 1, 2024
Merged

sys.get_coroutine_origin_tracking_depth #5292

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14 changes: 14 additions & 0 deletions vm/src/stdlib/sys.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -692,6 +692,20 @@ mod sys {
vm.use_tracing.set(tracing);
}

#[pyfunction]
fn set_coroutine_origin_tracking_depth(depth: i32, vm: &VirtualMachine) -> PyResult<()> {
if depth < 0 {
return Err(vm.new_value_error("depth must be >= 0".to_owned()));
}
crate::vm::thread::COROUTINE_ORIGIN_TRACKING_DEPTH.with(|cell| cell.set(depth as _));
Ok(())
}

#[pyfunction]
fn get_coroutine_origin_tracking_depth() -> i32 {
crate::vm::thread::COROUTINE_ORIGIN_TRACKING_DEPTH.with(|cell| cell.get()) as _
}

/// sys.flags
///
/// Flags provided through command line arguments or environment vars.
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9 changes: 5 additions & 4 deletions vm/src/vm/thread.rs
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Original file line number Diff line number Diff line change
@@ -1,14 +1,16 @@
use crate::{AsObject, PyObject, VirtualMachine};
use itertools::Itertools;
use std::{
cell::RefCell,
ptr::{null, NonNull},
cell::{Cell, RefCell},
ptr::NonNull,
thread_local,
};

thread_local! {
pub(super) static VM_STACK: RefCell<Vec<NonNull<VirtualMachine>>> = Vec::with_capacity(1).into();
static VM_CURRENT: RefCell<*const VirtualMachine> = null::<VirtualMachine>().into();
static VM_CURRENT: RefCell<*const VirtualMachine> = std::ptr::null::<VirtualMachine>().into();

pub(crate) static COROUTINE_ORIGIN_TRACKING_DEPTH: Cell<u32> = const { Cell::new(0) };
}

pub fn with_current_vm<R>(f: impl FnOnce(&VirtualMachine) -> R) -> R {
Expand Down Expand Up @@ -142,7 +144,6 @@ impl VirtualMachine {
/// specific guaranteed behavior.
#[cfg(feature = "threading")]
pub fn new_thread(&self) -> ThreadedVirtualMachine {
use std::cell::Cell;
let vm = VirtualMachine {
builtins: self.builtins.clone(),
sys_module: self.sys_module.clone(),
Expand Down