#include <arch.h>
#include <signal.h>
+#include <proc.h>
typedef struct sMessage
{
typedef struct sThread
{
// --- threads.c's
- struct sThread *Next; //!< Next thread in list
- tSpinlock IsLocked; //!< Thread's spinlock
+ /**
+ * \brief Next thread in current list
+ * \note Required to be first for linked list hacks to work
+ */
+ struct sThread *Next;
+ struct sThread *GlobalNext; //!< Next thread in global list
+ struct sThread *GlobalPrev; //!< Previous thread in global list
+ tShortSpinlock IsLocked; //!< Thread's spinlock
volatile int Status; //!< Thread Status
int RetStatus; //!< Return Status
Uint TID; //!< Thread ID
Uint TGID; //!< Thread Group (Process)
- Uint PTID; //!< Parent Thread ID
+ struct sThread *Parent; //!< Parent Thread
Uint UID, GID; //!< User and Group
char *ThreadName; //!< Name of thread
tTaskState SavedState;
// --- threads.c's
- int CurSignal; //!< Signal currently being handled (0 for none)
- tVAddr SignalHandlers[NSIG]; //!< Signal Handler List
- tTaskState SignalState; //!< Saved state for signal handler
+ int CurFaultNum; //!< Current fault number, 0: none
+ tVAddr FaultHandler; //!< Fault Handler
tMsg * volatile Messages; //!< Message Queue
tMsg *LastMessage; //!< Last Message (speeds up insertion)
int NumTickets; //!< Priority - Chance of gaining CPU
Uint Config[NUM_CFG_ENTRIES]; //!< Per-process configuration
+
+ volatile int CurCPU;
} tThread;
enum {
- THREAD_STAT_NULL,
- THREAD_STAT_ACTIVE,
- THREAD_STAT_SLEEPING,
- THREAD_STAT_WAITING,
- THREAD_STAT_ZOMBIE,
- THREAD_STAT_DEAD
+ THREAD_STAT_NULL, // Invalid process
+ THREAD_STAT_ACTIVE, // Running and schedulable process
+ THREAD_STAT_SLEEPING, // Message Sleep
+ THREAD_STAT_OFFSLEEP, // Mutex Sleep (or waiting on a thread)
+ THREAD_STAT_WAITING, // ???
+ THREAD_STAT_ZOMBIE, // Died, just not removed
+ THREAD_STAT_DEAD // Why do we care about these???
};
+enum eFaultNumbers
+{
+ FAULT_MISC,
+ FAULT_PAGE,
+ FAULT_ACCESS,
+ FAULT_DIV0,
+ FAULT_OPCODE,
+ FAULT_FLOAT
+};
+
+#define GETMSG_IGNORE ((void*)-1)
+
// === FUNCTIONS ===
-extern tThread *Proc_GetCurThread();
+extern tThread *Proc_GetCurThread(void);
extern tThread *Threads_GetThread(Uint TID);
-extern void Threads_Wake(tThread *Thread);
+extern void Threads_SetTickets(tThread *Thread, int Num);
+extern int Threads_Wake(tThread *Thread);
extern void Threads_AddActive(tThread *Thread);
+extern tThread *Threads_GetNextToRun(int CPU, tThread *Last);
#endif