Struct collective::thread::monitor::ThreadMonitor
source · pub struct ThreadMonitor { /* private fields */ }
Expand description
A thread panic monitor.
Implementations§
source§impl ThreadMonitor
impl ThreadMonitor
sourcepub fn init(&'static self) -> Result<()>
pub fn init(&'static self) -> Result<()>
Initializes the thread monitor.
This should be done before watching any threads.
Internally, the monitor will set up a new panic hook, which will be used for detecting panics on the threads being watched.
The monitor will initially ignore all panics. Use set_watched
or
watch
to specify which threads to monitor.
sourcepub fn set_watched(&self, thread_ids: HashSet<ThreadId>) -> Result<()>
pub fn set_watched(&self, thread_ids: HashSet<ThreadId>) -> Result<()>
Set the threads to be watched by this monitor.
If ThreadMonitor::init
has been called, the monitor will begin
recording panics for the specified threads.
sourcepub fn watch(
&self,
thread_ids: Option<&HashSet<ThreadId>>,
) -> Result<Vec<Thread>>
pub fn watch( &self, thread_ids: Option<&HashSet<ThreadId>>, ) -> Result<Vec<Thread>>
Watches the provided thread IDs.
ThreadMonitor::init
has to be called before this method. An
Uninitialized
error will be returned if it’s not.
- If an empty set is passed, this function returns immediately.
- If a thread set is not passed and one hasn’t been set with
set_watched
, aNoWatches
error will be returned. - If
set_watched
was previously called and one of the watched threads already panicked, this function will return immediately. - Otherwise, the monitor will block the current thread until one of the watched threads has a panic.
Trait Implementations§
Auto Trait Implementations§
impl !Freeze for ThreadMonitor
impl RefUnwindSafe for ThreadMonitor
impl Send for ThreadMonitor
impl Sync for ThreadMonitor
impl Unpin for ThreadMonitor
impl UnwindSafe for ThreadMonitor
Blanket Implementations§
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