Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-06-08 04:52:10 -05:00
Code Issues Packages Projects Releases Wiki Activity

dll: FspFsctlStartService:make thread safe

Browse Source
This commit is contained in:
Bill Zissimopoulos 2020-12-19 11:05:24 -08:00
parent a372c6ee40
commit 2d5d058d2f
No known key found for this signature in database
GPG Key ID: 3D4F95D52C7B3EA3
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/dll/fsctl.c
View File

@ -254,6 +254,7 @@ FSP_API NTSTATUS FspFsctlPreflight(PWSTR DevicePath)
static NTSTATUS FspFsctlStartService(VOID) static NTSTATUS FspFsctlStartService(VOID)
{ {
static SRWLOCK Lock = SRWLOCK_INIT;
PWSTR DriverName = L"" FSP_FSCTL_DRIVER_NAME; PWSTR DriverName = L"" FSP_FSCTL_DRIVER_NAME;
SC_HANDLE ScmHandle = 0; SC_HANDLE ScmHandle = 0;
SC_HANDLE SvcHandle = 0; SC_HANDLE SvcHandle = 0;
@ -261,6 +262,8 @@ static NTSTATUS FspFsctlStartService(VOID)
DWORD LastError; DWORD LastError;
NTSTATUS Result; NTSTATUS Result;
AcquireSRWLockExclusive(&Lock);
/* Determine if we are running inside container. /* Determine if we are running inside container.
* *
* See https://github.com/microsoft/perfview/blob/V1.9.65/src/TraceEvent/TraceEventSession.cs#L525 * See https://github.com/microsoft/perfview/blob/V1.9.65/src/TraceEvent/TraceEventSession.cs#L525
@ -331,6 +334,8 @@ exit:
if (0 != ScmHandle) if (0 != ScmHandle)
CloseServiceHandle(ScmHandle); CloseServiceHandle(ScmHandle);
ReleaseSRWLockExclusive(&Lock);
return Result; return Result;
} }