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Attempts to enter the critical section represented by the current IHostCrst instance.
HRESULT TryEnter (
[in] DWORD option,
[out] BOOL *pbSucceeded
);
Parameters
option
[in] One of the WAIT_OPTION values, indicating what action the host should take if the operation blocks.pbSucceeded
[out] true if the critical section can be entered; otherwise, false.
Return Value
HRESULT |
Description |
|---|---|
S_OK |
TryEnter returned successfully. |
HOST_E_CLRNOTAVAILABLE |
The common language runtime (CLR) has not been loaded into a process, or the CLR is in a state in which it cannot run managed code or process the call successfully. |
HOST_E_TIMEOUT |
The call timed out. |
HOST_E_NOT_OWNER |
The caller does not own the lock. |
HOST_E_ABANDONED |
An event was canceled while a blocked thread or fiber was waiting on it. |
E_FAIL |
An unknown catastrophic failure occurred. When a method returns E_FAIL, the CLR is no longer usable within the process. Subsequent calls to hosting methods return HOST_E_CLRNOTAVAILABLE. |
Remarks
TryEnter returns immediately and indicates whether the calling thread entered the critical section. This method mirrors the Wind32 TryEnterCriticalSection function.
Requirements
Platforms: See .NET Framework System Requirements.
Header: MSCorEE.h
Library: Included as a resource in MSCorEE.dll
.NET Framework Versions: 4, 3.5 SP1, 3.5, 3.0 SP1, 3.0, 2.0 SP1, 2.0