X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fthreads.c;h=075350dd6c2d426697665b310f574d62d70eadc8;hb=ca05044548d5c1de87c030d625a305731a6cc665;hp=3be978928545eb90c14263daaedb788b5d70ae21;hpb=b6c3b3cf61caafbd91bbf3acc81995e472656a5b;p=tpg%2Facess2.git

diff --git a/Kernel/threads.c b/Kernel/threads.c
index 3be97892..075350dd 100644
--- a/Kernel/threads.c
+++ b/Kernel/threads.c
@@ -3,7 +3,7 @@
  * threads.c
  * - Common Thread Control
  */
-#include <common.h>
+#include <acess.h>
 #include <threads.h>
 #include <errno.h>
 
@@ -41,8 +41,10 @@ void	Threads_Wake(tThread *Thread);
 void	Threads_AddActive(tThread *Thread);
  int	Threads_GetPID();
  int	Threads_GetTID();
- int	Threads_GetUID();
- int	Threads_GetGID();
+tUID	Threads_GetUID();
+ int	Threads_SetUID(Uint *Errno, tUID ID);
+tGID	Threads_GetGID();
+ int	Threads_SetGID(Uint *Errno, tUID ID);
 void	Threads_Dump();
 
 // === GLOBALS ===
@@ -335,7 +337,7 @@ void Threads_AddToDelete(tThread *Thread)
 }
 
 /**
- * \fn tThread *Threads_int_GetPrev(tThread *List, tThread *Thread)
+ * \fn tThread *Threads_int_GetPrev(tThread **List, tThread *Thread)
  * \brief Gets the previous entry in a thead linked list
  */
 tThread *Threads_int_GetPrev(tThread **List, tThread *Thread)
@@ -373,7 +375,8 @@ void Threads_Exit(int TID, int Status)
 /**
  * \fn void Threads_Kill(tThread *Thread, int Status)
  * \brief Kill a thread
- * \param TID	Thread ID (0 for current)
+ * \param Thread	Thread to kill
+ * \param Status	Status code to return to the parent
  */
 void Threads_Kill(tThread *Thread, int Status)
 {
@@ -607,23 +610,47 @@ void Threads_SendSignal(int TID, int Num)
 #endif
 
 // --- Process Structure Access Functions ---
-int Threads_GetPID()
+tPID Threads_GetPID()
 {
 	return Proc_GetCurThread()->TGID;
 }
-int Threads_GetTID()
+tTID Threads_GetTID()
 {
 	return Proc_GetCurThread()->TID;
 }
-int Threads_GetUID()
+tUID Threads_GetUID()
 {
 	return Proc_GetCurThread()->UID;
 }
-int Threads_GetGID()
+tGID Threads_GetGID()
 {
 	return Proc_GetCurThread()->GID;
 }
 
+int Threads_SetUID(Uint *Errno, tUID ID)
+{
+	tThread	*t = Proc_GetCurThread();
+	if( t->UID != 0 ) {
+		*Errno = -EACCES;
+		return -1;
+	}
+	Log("Threads_SetUID - Setting User ID to %i", ID);
+	t->UID = ID;
+	return 0;
+}
+
+int Threads_SetGID(Uint *Errno, tGID ID)
+{
+	tThread	*t = Proc_GetCurThread();
+	if( t->UID != 0 ) {
+		*Errno = -EACCES;
+		return -1;
+	}
+	Log("Threads_SetGID - Setting Group ID to %i", ID);
+	t->GID = ID;
+	return 0;
+}
+
 /**
  * \fn void Threads_Dump()
  * \brief Dums a list of currently running threads
@@ -707,3 +734,6 @@ void Threads_SegFault(tVAddr Addr)
 	Warning("Thread #%i committed a segfault at address %p", Proc_GetCurThread()->TID, Addr);
 	Threads_Exit( 0, -1 );
 }
+
+// === EXPORTS ===
+EXPORT(Threads_GetUID);