X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Finclude%2Fthreads_int.h;h=403a2eff1b7437f69d026e7931e90dc7b79cdc96;hb=5ee801f4fb22bba3298f10273027e67f53692e4c;hp=515ab0a3fe793db579321ececfa8e711fa2121e3;hpb=cfe6a9f2a126cc26ac74d5454e8378bd1193fcf8;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/include/threads_int.h b/KernelLand/Kernel/include/threads_int.h index 515ab0a3..403a2eff 100644 --- a/KernelLand/Kernel/include/threads_int.h +++ b/KernelLand/Kernel/include/threads_int.h @@ -1,5 +1,9 @@ /* - * Internal Threading header + * Acess2 Kernel + * - By John Hodge (thePowersGang) + * + * include/threads_int.h + * - Internal Threading header * - Only for use by stuff that needs access to the thread type. */ #ifndef _THREADS_INT_H_ @@ -7,7 +11,8 @@ #include #include - +#include +#include typedef struct sProcess tProcess; @@ -27,8 +32,13 @@ typedef struct sMessage */ struct sProcess { + struct sProcess *Next; + struct sProcess *Prev; + tPGID PGID; tPID PID; + int nThreads; + struct sThread *FirstThread; tUID UID; //!< User ID tGID GID; //!< User and Group @@ -37,6 +47,8 @@ struct sProcess int MaxFD; char *CurrentWorkingDir; char *RootDir; + + void *SignalHandlers[NSIGNALS]; }; /** @@ -53,6 +65,7 @@ struct sThread struct sThread *Next; struct sThread *GlobalNext; //!< Next thread in global list struct sThread *GlobalPrev; //!< Previous thread in global list + struct sThread *ProcessNext; tShortSpinlock IsLocked; //!< Thread's spinlock volatile int Status; //!< Thread Status void *WaitPointer; //!< What (Mutex/Thread/other) is the thread waiting on @@ -62,7 +75,10 @@ struct sThread struct sProcess *Process; //!< Thread Group / Process struct sThread *Parent; //!< Parent Thread char *ThreadName; //!< Name of thread - + + struct sThread *LastDeadChild; //!< Last child to die (will have the \a DeadChildren lock) + tMutex DeadChildLock; //!< Lock to prevent clobbering of \a LastDeadChild, acquired by child, released by parent + // --- arch/proc.c's responsibility //! Kernel Stack Base tVAddr KernelStack; @@ -74,6 +90,10 @@ struct sThread int CurFaultNum; //!< Current fault number, 0: none tVAddr FaultHandler; //!< Fault Handler + + int PendingSignal; //!< Pending signal ID (0 = none) + + tMsg * volatile Messages; //!< Message Queue tMsg *LastMessage; //!< Last Message (speeds up insertion) @@ -88,14 +108,17 @@ struct sThread // --- event.c Uint32 EventState; + // --- timer.c + tTimer ThreadTimer; }; -enum { +enum eThreadStatus { THREAD_STAT_NULL, // Invalid process THREAD_STAT_ACTIVE, // Running and schedulable process THREAD_STAT_SLEEPING, // Message Sleep THREAD_STAT_MUTEXSLEEP, // Mutex Sleep + THREAD_STAT_RWLOCKSLEEP, // Read-Writer lock Sleep THREAD_STAT_SEMAPHORESLEEP, // Semaphore Sleep THREAD_STAT_QUEUESLEEP, // Queue THREAD_STAT_EVENTSLEEP, // Event sleep @@ -110,6 +133,7 @@ static const char * const casTHREAD_STAT[] = { "THREAD_STAT_ACTIVE", "THREAD_STAT_SLEEPING", "THREAD_STAT_MUTEXSLEEP", + "THREAD_STAT_RWLOCKSLEEP", "THREAD_STAT_SEMAPHORESLEEP", "THREAD_STAT_QUEUESLEEP", "THREAD_STAT_EVENTSLEEP", @@ -137,4 +161,8 @@ extern tThread *Threads_GetNextToRun(int CPU, tThread *Last); extern tThread *Threads_CloneTCB(Uint Flags); extern tThread *Threads_CloneThreadZero(void); +extern int Threads_int_Sleep(enum eThreadStatus Status, void *Ptr, int Num, tThread **ListHead, tThread **ListTail, tShortSpinlock *Lock); +extern void Threads_int_WaitForStatusEnd(enum eThreadStatus Status); +extern void Semaphore_ForceWake(tThread *Thread); + #endif