diff options
Diffstat (limited to 'Include/internal/pycore_lock.h')
| -rw-r--r-- | Include/internal/pycore_lock.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Include/internal/pycore_lock.h b/Include/internal/pycore_lock.h index c89159b..f648be4 100644 --- a/Include/internal/pycore_lock.h +++ b/Include/internal/pycore_lock.h @@ -136,6 +136,10 @@ typedef struct { uint8_t v; } PyEvent; +// Check if the event is set without blocking. Returns 1 if the event is set or +// 0 otherwise. +PyAPI_FUNC(int) _PyEvent_IsSet(PyEvent *evt); + // Set the event and notify any waiting threads. // Export for '_testinternalcapi' shared extension PyAPI_FUNC(void) _PyEvent_Notify(PyEvent *evt); @@ -149,6 +153,15 @@ PyAPI_FUNC(void) PyEvent_Wait(PyEvent *evt); // and 0 if the timeout expired or thread was interrupted. PyAPI_FUNC(int) PyEvent_WaitTimed(PyEvent *evt, PyTime_t timeout_ns); +// A one-time event notification with reference counting. +typedef struct _PyEventRc { + PyEvent event; + Py_ssize_t refcount; +} _PyEventRc; + +_PyEventRc *_PyEventRc_New(void); +void _PyEventRc_Incref(_PyEventRc *erc); +void _PyEventRc_Decref(_PyEventRc *erc); // _PyRawMutex implements a word-sized mutex that that does not depend on the // parking lot API, and therefore can be used in the parking lot |