diff options
Diffstat (limited to 'embassy-executor')
| -rw-r--r-- | embassy-executor/src/raw/waker.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/embassy-executor/src/raw/waker.rs b/embassy-executor/src/raw/waker.rs index d2256adfa..9c70f995a 100644 --- a/embassy-executor/src/raw/waker.rs +++ b/embassy-executor/src/raw/waker.rs | |||
| @@ -43,7 +43,9 @@ pub fn task_from_waker(waker: &Waker) -> TaskRef { | |||
| 43 | // TODO use waker_getters when stable. https://github.com/rust-lang/rust/issues/96992 | 43 | // TODO use waker_getters when stable. https://github.com/rust-lang/rust/issues/96992 |
| 44 | let hack: &WakerHack = unsafe { core::mem::transmute(waker) }; | 44 | let hack: &WakerHack = unsafe { core::mem::transmute(waker) }; |
| 45 | 45 | ||
| 46 | if hack.vtable != &VTABLE { | 46 | // make sure to compare vtable addresses. Doing `==` on the references |
| 47 | // will compare the contents, which is slower. | ||
| 48 | if hack.vtable as *const _ != &VTABLE as *const _ { | ||
| 47 | panic!("Found waker not created by the Embassy executor. `embassy_time::Timer` only works with the Embassy executor.") | 49 | panic!("Found waker not created by the Embassy executor. `embassy_time::Timer` only works with the Embassy executor.") |
| 48 | } | 50 | } |
| 49 | // safety: our wakers are always created with `TaskRef::as_ptr` | 51 | // safety: our wakers are always created with `TaskRef::as_ptr` |