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Propagate allocation failures from idle process and thread setup
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This commit is contained in:
Aiken Harris
2026-06-04 14:30:01 +02:00
parent f13326ffaf
commit 53a239958f
7 changed files with 68 additions and 26 deletions
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33
xtoskrnl/ke/kthread.cc
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@@ -43,7 +43,7 @@ KE::KThread::GetInitialThread(VOID)
* @since XT 1.0
*/
XTAPI
VOID
XTSTATUS
KE::KThread::InitializeIdleThread(IN PKPROCESS IdleProcess,
IN OUT PKTHREAD IdleThread,
IN PKPROCESSOR_CONTROL_BLOCK Prcb,
@@ -51,6 +51,7 @@ KE::KThread::InitializeIdleThread(IN PKPROCESS IdleProcess,
{
ULONG AffinitySize, CpuIndex, CpuTargetBit, MapSize;
PACPI_SYSTEM_INFO SysInfo;
XTSTATUS Status;
/* Retrieve hardware topology from ACPI */
HL::Acpi::GetSystemInformation(&SysInfo);
@@ -62,17 +63,34 @@ KE::KThread::InitializeIdleThread(IN PKPROCESS IdleProcess,
/* Align size to the 8-byte boundary */
MapSize = (MapSize + 7) & ~7;
/* Allocate the thread-level affinity structures */
MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&IdleThread->Affinity);
MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&IdleThread->UserAffinity);
/* Allocate the thread-level affinity structure */
Status = MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&IdleThread->Affinity);
if(Status != STATUS_SUCCESS)
{
/* Memory allocation failed, return the status code */
return Status;
}
/* Allocate the thread-level user affinity structure */
Status = MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&IdleThread->UserAffinity);
if(Status != STATUS_SUCCESS)
{
/* Memory allocation failed, return the status code */
return Status;
}
/* Zero the thread-level affinity structures */
RTL::Memory::ZeroMemory(IdleThread->Affinity, MapSize);
RTL::Memory::ZeroMemory(IdleThread->UserAffinity, MapSize);
/* Initialize Idle thread */
KE::KThread::InitializeThread(IdleProcess, IdleThread, NULLPTR, NULLPTR, NULLPTR,
NULLPTR, NULLPTR, Stack, TRUE);
Status = KE::KThread::InitializeThread(IdleProcess, IdleThread, NULLPTR, NULLPTR, NULLPTR,
NULLPTR, NULLPTR, Stack, TRUE);
if(Status != STATUS_SUCCESS)
{
/* Failed to initialize IDLE thread, return status code */
return Status;
}
/* Configure Idle thread scheduling parameters */
IdleThread->NextProcessor = Prcb->CpuNumber;
@@ -96,6 +114,9 @@ KE::KThread::InitializeIdleThread(IN PKPROCESS IdleProcess,
/* Register this CPU as active in the Idle Process */
IdleProcess->ActiveProcessors->Bitmap[CpuIndex] |= ((KAFFINITY)1 << CpuTargetBit);
/* Return success */
return STATUS_SUCCESS;
}
/**