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Merge pull request #3226 from youknowone/thread-lock-new

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Forbid calls to _thread.LockType.__new__
This commit is contained in:
Jim Fasarakis-Hilliard
2021-10-05 15:58:08 +03:00
committed by GitHub
parent 5254265e3a 2ca3dc4468
commit c529fbb72d
1 changed files with 9 additions and 2 deletions
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11
vm/src/stdlib/thread.rs
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@@ -5,7 +5,7 @@ use crate::{
exceptions::{self, IntoPyException},
function::{ArgCallable, FuncArgs, KwArgs, OptionalArg},
py_io,
slots::{SlotGetattro, SlotSetattro},
slots::{SlotConstructor, SlotGetattro, SlotSetattro},
utils::Either,
IdProtocol, ItemProtocol, PyClassImpl, PyObjectRef, PyRef, PyResult, PyValue, TypeProtocol,
VirtualMachine,
@@ -103,7 +103,7 @@ impl fmt::Debug for PyLock {
}
}
#[pyimpl]
#[pyimpl(with(SlotConstructor))]
impl PyLock {
#[pymethod]
#[pymethod(name = "acquire_lock")]
@@ -138,6 +138,13 @@ impl PyLock {
}
}
impl SlotConstructor for PyLock {
type Args = FuncArgs;
fn py_new(_cls: PyTypeRef, _args: Self::Args, vm: &VirtualMachine) -> PyResult {
Err(vm.new_type_error("cannot create '_thread.lock' instances".to_owned()))
}
}
pub type RawRMutex = RawReentrantMutex<RawMutex, RawThreadId>;
#[pyclass(module = "thread", name = "RLock")]
#[derive(PyValue)]