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fix: add start pending mode to mitigate Terminal output redirection issue

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This commit is contained in:
Daniel Hammer
2026-05-07 07:32:44 +02:00
parent 2523340d08
commit ecf6edb826
4 changed files with 59 additions and 11 deletions
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kernel/src/Sched/Scheduler.cpp
+38 -4
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@@ -175,6 +175,7 @@ namespace Sched {
processTable[i].runningOnCpu = -1;
processTable[i].killPending = false;
processTable[i].reapReady = false;
processTable[i].startPending = false;
processTable[i].waitingForPid = -1;
processTable[i].sleepUntilTick = 0;
processTable[i].waitingOnObject = nullptr;
@@ -203,7 +204,7 @@ namespace Sched {
<< " process slots, " << (uint64_t)TimeSliceMs << " ms time slice)";
}
int Spawn(const char* vfsPath, const char* args) {
int Spawn(const char* vfsPath, const char* args, bool startReady) {
schedLock.Acquire();
int slot = -1;
@@ -343,8 +344,9 @@ namespace Sched {
Process& proc = processTable[slot];
proc.pid = nextPid++;
proc.state = ProcessState::Ready;
readyCount++;
proc.state = startReady ? ProcessState::Ready : ProcessState::Blocked;
if (startReady)
readyCount++;
{
int i = 0;
for (; i < 63 && vfsPath[i]; i++) proc.name[i] = vfsPath[i];
@@ -363,6 +365,7 @@ namespace Sched {
proc.runningOnCpu = -1;
proc.killPending = false;
proc.reapReady = false;
proc.startPending = !startReady;
proc.waitingForPid = -1;
proc.sleepUntilTick = 0;
proc.waitingOnObject = nullptr;
@@ -436,11 +439,39 @@ namespace Sched {
int resultPid = proc.pid;
schedLock.Release();
KickOneIdleCpu(Smp::GetCurrentCpuData() ? Smp::GetCurrentCpuData()->cpuIndex : -1);
if (startReady)
KickOneIdleCpu(Smp::GetCurrentCpuData() ? Smp::GetCurrentCpuData()->cpuIndex : -1);
return resultPid;
}
int StartProcess(int pid) {
if (pid < 0) return -1;
schedLock.Acquire();
for (int i = 0; i < MaxProcesses; i++) {
if (processTable[i].pid != pid) continue;
if (processTable[i].state != ProcessState::Blocked ||
!processTable[i].startPending) {
schedLock.Release();
return -1;
}
processTable[i].startPending = false;
processTable[i].waitingForPid = -1;
processTable[i].sleepUntilTick = 0;
processTable[i].waitingOnObject = nullptr;
processTable[i].state = ProcessState::Ready;
readyCount++;
schedLock.Release();
KickOneIdleCpu(Smp::GetCurrentCpuData() ? Smp::GetCurrentCpuData()->cpuIndex : -1);
return 0;
}
schedLock.Release();
return -1;
}
// ====================================================================
// Schedule -- core context switch logic
//
@@ -470,6 +501,7 @@ namespace Sched {
processTable[i].stackBase = 0;
processTable[i].pml4Phys = 0;
processTable[i].reapReady = false;
processTable[i].startPending = false;
processTable[i].state = ProcessState::Free;
// Release lock during PFA::Free to minimize hold time
@@ -683,6 +715,7 @@ namespace Sched {
Process& proc = processTable[slot];
proc.killPending = false;
proc.startPending = false;
int exitingPid = proc.pid;
// Clean up any windows owned by this process
@@ -823,6 +856,7 @@ namespace Sched {
readyCount--;
proc.state = ProcessState::Terminated;
proc.killPending = false;
proc.startPending = false;
proc.reapReady = false;
proc.waitingForPid = -1;
proc.sleepUntilTick = 0;