diff options
Diffstat (limited to 'Python/thread_nt.h')
| -rw-r--r-- | Python/thread_nt.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Python/thread_nt.h b/Python/thread_nt.h index 0beb3d3..26f054f 100644 --- a/Python/thread_nt.h +++ b/Python/thread_nt.h @@ -292,9 +292,10 @@ PyThread_free_lock(PyThread_type_lock aLock) FreeNonRecursiveMutex(aLock) ; } -// WaitForSingleObject() documentation: "The time-out value needs to be a -// positive number between 0 and 0x7FFFFFFF." INFINITE is equal to 0xFFFFFFFF. -const DWORD TIMEOUT_MS_MAX = 0x7FFFFFFF; +// WaitForSingleObject() accepts timeout in milliseconds in the range +// [0; 0xFFFFFFFE] (DWORD type). INFINITE value (0xFFFFFFFF) means no +// timeout. 0xFFFFFFFE milliseconds is around 49.7 days. +const DWORD TIMEOUT_MS_MAX = 0xFFFFFFFE; /* * Return 1 on success if the lock was acquired @@ -322,12 +323,11 @@ PyThread_acquire_lock_timed(PyThread_type_lock aLock, // overflow to the caller, so clamp the timeout to // [0, TIMEOUT_MS_MAX] milliseconds. // - // TIMEOUT_MS_MAX milliseconds is around 24.9 days. - // // _thread.Lock.acquire() and _thread.RLock.acquire() raise an // OverflowError if microseconds is greater than PY_TIMEOUT_MAX. milliseconds = TIMEOUT_MS_MAX; } + assert(milliseconds != INFINITE); } else { milliseconds = INFINITE; |