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sys, dll: convert memory barriers to interlocked operations

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This commit is contained in:
Bill Zissimopoulos
2022-01-19 10:55:46 +00:00
parent 362b9ceb7c
commit 29251dc2be
10 changed files with 55 additions and 64 deletions
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9
src/dll/service.c
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@ -275,8 +275,7 @@ FSP_API NTSTATUS FspServiceLoop(FSP_SERVICE *Service)
else
{
ResetEvent(FspServiceConsoleModeEvent);
FspServiceConsoleCtrlHandlerDisabled = 0;
MemoryBarrier();
FspInterlockedStore32((INT32 *)&FspServiceConsoleCtrlHandlerDisabled, 0);
}
#endif
@ -326,8 +325,7 @@ FSP_API NTSTATUS FspServiceLoop(FSP_SERVICE *Service)
*
* What we do instead is disable our handler by setting a variable.
*/
FspServiceConsoleCtrlHandlerDisabled = 1;
MemoryBarrier();
FspInterlockedStore32((INT32 *)&FspServiceConsoleCtrlHandlerDisabled, 1);
}
Result = STATUS_SUCCESS;
@ -517,8 +515,7 @@ static DWORD WINAPI FspServiceConsoleModeThread(PVOID Context)
/* expose FspServiceConsoleCtrlHandler so it can be used from fsp_fuse_signal_handler */
BOOL WINAPI FspServiceConsoleCtrlHandler(DWORD CtrlType)
{
UINT32 Disabled = FspServiceConsoleCtrlHandlerDisabled;
MemoryBarrier();
UINT32 Disabled = FspInterlockedLoad32((INT32 *)&FspServiceConsoleCtrlHandlerDisabled);
if (Disabled)
return FALSE;