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Kernel: Make it easier to add Thread block states in the future.

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This commit is contained in:
Andreas Kling 2019-07-13 20:14:39 +02:00
parent 302cae5c2f
commit 54e79a4640
2 changed files with 7 additions and 1 deletions
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3
Kernel/Thread.cpp
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@ -181,6 +181,9 @@ const char* to_string(Thread::State state)
return "Receive"; return "Receive";
case Thread::BlockedSnoozing: case Thread::BlockedSnoozing:
return "Snoozing"; return "Snoozing";
case Thread::__Begin_Blocked_States__:
case Thread::__End_Blocked_States__:
break;
} }
kprintf("to_string(Thread::State): Invalid state: %u\n", state); kprintf("to_string(Thread::State): Invalid state: %u\n", state);
ASSERT_NOT_REACHED(); ASSERT_NOT_REACHED();

5
Kernel/Thread.h
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@ -61,6 +61,8 @@ public:
Dying, Dying,
Dead, Dead,
Stopped, Stopped,
__Begin_Blocked_States__,
BlockedLurking, BlockedLurking,
BlockedSleep, BlockedSleep,
BlockedWait, BlockedWait,
@ -71,6 +73,7 @@ public:
BlockedConnect, BlockedConnect,
BlockedReceive, BlockedReceive,
BlockedSnoozing, BlockedSnoozing,
__End_Blocked_States__
}; };
void did_schedule() { ++m_times_scheduled; } void did_schedule() { ++m_times_scheduled; }
@ -79,7 +82,7 @@ public:
bool is_stopped() const { return m_state == Stopped; } bool is_stopped() const { return m_state == Stopped; }
bool is_blocked() const bool is_blocked() const
{ {
return m_state == BlockedSleep || m_state == BlockedWait || m_state == BlockedRead || m_state == BlockedWrite || m_state == BlockedSignal || m_state == BlockedSelect; return m_state > __Begin_Blocked_States__ && m_state < __End_Blocked_States__;
} }
bool in_kernel() const { return (m_tss.cs & 0x03) == 0; } bool in_kernel() const { return (m_tss.cs & 0x03) == 0; }