X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Finclude%2Fthreads.h;h=3b6e9c60441e011fd3409a5e1e89cbda9fa2ec9e;hb=de2ae10743172075f2d527780bdfd890ccddb8e7;hp=2b066d9f338f917fdd2d4fdc813ea4bcbe9ad216;hpb=b98fbd4e9c71447d81fc9bd643fb174c76346e0f;p=tpg%2Facess2.git diff --git a/Kernel/include/threads.h b/Kernel/include/threads.h index 2b066d9f..3b6e9c60 100644 --- a/Kernel/include/threads.h +++ b/Kernel/include/threads.h @@ -5,6 +5,7 @@ #include #include +#include typedef struct sMessage { @@ -17,34 +18,34 @@ typedef struct sMessage typedef struct sThread { // --- threads.c's - // 0 - 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 - // 16 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 // --- arch/proc.c's responsibility - // 40 //! Kernel Stack Base tVAddr KernelStack; - // 44 (x86) //! Memory Manager State tMemoryState MemState; - // 48 (x86) //! State on task switch tTaskState SavedState; // --- threads.c's - // 60 int CurFaultNum; //!< Current fault number, 0: none tVAddr FaultHandler; //!< Fault Handler @@ -55,16 +56,19 @@ typedef struct sThread 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 @@ -77,10 +81,14 @@ enum eFaultNumbers 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