X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fthreads.c;h=0961f8d260c1c8d03478d5f7c726ea898acde2eb;hb=910b87da7338937ace686848fb915908df0bf09b;hp=7dd9f6e929cb2cd0c13a8ac154ec623573df2605;hpb=083c31409b9f25c96807ab8fef8ac79e8fe4cf9e;p=tpg%2Facess2.git

diff --git a/KernelLand/Kernel/threads.c b/KernelLand/Kernel/threads.c
index 7dd9f6e9..0961f8d2 100644
--- a/KernelLand/Kernel/threads.c
+++ b/KernelLand/Kernel/threads.c
@@ -66,6 +66,10 @@ tThread	*Threads_RemActive(void);
 void	Threads_ToggleTrace(int TID);
 void	Threads_Fault(int Num);
 void	Threads_SegFault(tVAddr Addr);
+void	Threads_PostSignal(int SignalNum);
+ int	Threads_GetPendingSignal(void);
+void	Threads_SetSignalHandler(int SignalNum, void *Handler);
+void	*Threads_GetSignalHandler(int SignalNum);
 #if 0
  int	Threads_GetPID(void);
  int	Threads_GetTID(void);
@@ -212,7 +216,7 @@ int Threads_SetName(const char *NewName)
 	if( IsHeap(oldname) )	free( oldname );	
 	cur->ThreadName = strdup(NewName);
 
-//	Log_Debug("Threads", "Thread renamed to '%s'", NewName);	
+	Log_Debug("Threads", "Thread renamed to '%s'", NewName);	
 
 	return 0;
 }
@@ -1004,6 +1008,62 @@ void Threads_SegFault(tVAddr Addr)
 	//Threads_Exit( 0, -1 );
 }
 
+
+void Threads_PostSignal(int SignalNum)
+{
+	tThread *cur = Proc_GetCurThread();
+	cur->PendingSignal = SignalNum;
+	Threads_PostEvent(cur, THREAD_EVENT_SIGNAL);
+}
+
+/**
+ */
+int Threads_GetPendingSignal(void)
+{
+	tThread *cur = Proc_GetCurThread();
+	
+	// Atomic AND with 0 fetches and clears in one operation
+	return __sync_fetch_and_and( &cur->PendingSignal, 0 );
+}
+
+/*
+ * \brief Update the current thread's signal handler
+ */
+void Threads_SetSignalHandler(int SignalNum, void *Handler)
+{
+	if( SignalNum <= 0 || SignalNum >= NSIGNALS )
+		return ;
+	if( !MM_IsUser(Handler) )
+		return ;
+	Proc_GetCurThread()->Process->SignalHandlers[SignalNum] = Handler;
+}
+
+/**
+ * \return 0  Ignore
+ */
+void *Threads_GetSignalHandler(int SignalNum)
+{
+	if( SignalNum <= 0 || SignalNum >= NSIGNALS )
+		return NULL;
+	void *ret = Proc_GetCurThread()->Process->SignalHandlers[SignalNum];
+	if( !ret )
+	{
+		// Defaults
+		switch(SignalNum)
+		{
+		case SIGINT:
+		case SIGKILL:
+		case SIGSEGV:
+//			ret = User_Signal_Kill;
+			break;
+		default:
+			ret = NULL;
+			break;
+		}
+	}
+	return ret;
+}
+
 // --- Process Structure Access Functions ---
 tPGID Threads_GetPGID(void)
 {