/*
+ * Acess2 Kernel
*/
#ifndef _THREADS_H_
#define _THREADS_H_
#include <arch.h>
#include <signal.h>
+//#include <proc.h>
-typedef struct sMessage
+enum eFaultNumbers
{
- struct sMessage *Next;
- Uint Source;
- Uint Length;
- Uint8 Data[];
-} tMsg; // sizeof = 12+
-
-typedef struct sThread
-{
- // --- threads.c's
- struct sThread *Next; //!< Next thread in list
- tSpinlock 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
- Uint UID, GID; //!< User and Group
- char *ThreadName; //!< Name of thread
-
- // --- arch/proc.c's responsibility
- //! Kernel Stack Base
- tVAddr KernelStack;
-
- //! Memory Manager State
- tMemoryState MemState;
-
- //! State on task switch
- 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
-
- tMsg * volatile Messages; //!< Message Queue
- tMsg *LastMessage; //!< Last Message (speeds up insertion)
-
- int Quantum, Remaining; //!< Quantum Size and remaining timesteps
- int NumTickets; //!< Priority - Chance of gaining CPU
-
- Uint Config[NUM_CFG_ENTRIES]; //!< Per-process configuration
-} tThread;
+ FAULT_MISC,
+ FAULT_PAGE,
+ FAULT_ACCESS,
+ FAULT_DIV0,
+ FAULT_OPCODE,
+ FAULT_FLOAT
+};
+#define GETMSG_IGNORE ((void*)-1)
-enum {
- THREAD_STAT_NULL,
- THREAD_STAT_ACTIVE,
- THREAD_STAT_SLEEPING,
- THREAD_STAT_WAITING,
- THREAD_STAT_ZOMBIE,
- THREAD_STAT_DEAD
-};
+typedef struct sThread tThread;
// === FUNCTIONS ===
-extern tThread *Proc_GetCurThread();
-extern tThread *Threads_GetThread(Uint TID);
-extern void Threads_Wake(tThread *Thread);
-extern void Threads_AddActive(tThread *Thread);
+extern void Threads_SetFaultHandler(Uint Handler);
+
+extern int Threads_SetUID(tUID ID);
+extern int Threads_SetGID(tUID ID);
+extern tTID Threads_WaitTID(int TID, int *Status);
+
+
+extern int *Threads_GetMaxFD(void);
+extern char **Threads_GetCWD(void);
+extern char **Threads_GetChroot(void);
+
+extern int Proc_SendMessage(Uint Dest, int Length, void *Data);
+extern int Proc_GetMessage(Uint *Source, void *Buffer);
#endif