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Allow processes to go into a BeingInspected state (used by procfs.)

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This ensures that the process won't get scheduled, and so inspecting
it is safe and easy without blocking interrupts.
This commit is contained in:
Andreas Kling 2018-11-01 14:21:02 +01:00
parent dfaa2b6b02
commit 52607aa086
3 changed files with 37 additions and 19 deletions
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12
Kernel/Process.cpp
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@ -533,7 +533,7 @@ void Process::sys$exit(int status)
kprintf("sys$exit: %s(%u) exit with status %d\n", name().characters(), pid(), status);
#endif
setState(Exiting);
set_state(Exiting);
s_processes->remove(this);
@ -553,7 +553,7 @@ void Process::murder(int signal)
{
ASSERT_INTERRUPTS_DISABLED();
bool wasCurrent = current == this;
setState(Exiting);
set_state(Exiting);
s_processes->remove(this);
notify_waiters(m_pid, 0, signal);
@ -579,7 +579,7 @@ void Process::processDidCrash(Process* crashedProcess)
HANG;
}
crashedProcess->setState(Crashing);
crashedProcess->set_state(Crashing);
crashedProcess->dumpRegions();
s_processes->remove(crashedProcess);
@ -741,11 +741,11 @@ static bool contextSwitch(Process* t)
// If the last process hasn't blocked (still marked as running),
// mark it as runnable for the next round.
if (current->state() == Process::Running)
current->setState(Process::Runnable);
current->set_state(Process::Runnable);
}
current = t;
t->setState(Process::Running);
t->set_state(Process::Running);
if (!t->selector()) {
t->setSelector(allocateGDTEntry());
@ -1074,7 +1074,7 @@ void Process::block(Process::State state)
{
ASSERT(current->state() == Process::Running);
system.nblocked++;
current->setState(state);
current->set_state(state);
}
void block(Process::State state)