Usermode/libc - Fix strchr and strrchr behavior

[tpg/acess2.git] / Kernel / messages.c

diff --git a/Kernel/messages.c b/Kernel/messages.c
deleted file mode 100644 (file)
index 05f75f1..0000000
--- a/Kernel/messages.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Acess2 Kernel
- * - By John Hodge (thePowersGang)
- *
- * messages.c
- * - IPC Messages
- */
-#define DEBUG  0
-#include <acess.h>
-#include <threads.h>
-#include <threads_int.h>
-#include <errno.h>
-
-// === IMPORTS ===
-extern tShortSpinlock  glThreadListLock;
-
-// === CODE ===
-/**
- * \fn int Proc_SendMessage(Uint *Err, Uint Dest, int Length, void *Data)
- * \brief Send an IPC message
- * \param Err  Pointer to the errno variable
- * \param Dest Destination Thread
- * \param Length       Length of the message
- * \param Data Message data
- */
-int Proc_SendMessage(Uint *Err, Uint Dest, int Length, void *Data)
-{
-       tThread *thread;
-       tMsg    *msg;
-       
-       ENTER("pErr iDest iLength pData", Err, Dest, Length, Data);
-       
-       if(Length <= 0 || !Data) {
-               *Err = -EINVAL;
-               LEAVE_RET('i', -1);
-       }
-       
-       // Get thread
-       thread = Threads_GetThread( Dest );
-       
-       // Error check
-       if(!thread)     LEAVE_RET('i', -1);
-       
-       // Get Spinlock
-       SHORTLOCK( &thread->IsLocked );
-       
-       // Check if thread is still alive
-       if(thread->Status == THREAD_STAT_DEAD) {
-               SHORTREL( &thread->IsLocked );
-               LEAVE_RET('i', -1);
-       }
-       
-       // Create message
-       msg = malloc( sizeof(tMsg)+Length );
-       msg->Next = NULL;
-       msg->Source = Proc_GetCurThread()->TID;
-       msg->Length = Length;
-       memcpy(msg->Data, Data, Length);
-       
-       // If there are already messages
-       if(thread->LastMessage) {
-               thread->LastMessage->Next = msg;
-               thread->LastMessage = msg;
-       } else {
-               thread->Messages = msg;
-               thread->LastMessage = msg;
-       }
-       
-       SHORTREL(&thread->IsLocked);
-       
-       SHORTLOCK(&glThreadListLock);
-       LOG("Waking %p (%i %s)", thread, thread->TID, thread->ThreadName);
-       Threads_Wake( thread );
-       SHORTREL(&glThreadListLock);
-       
-       LEAVE_RET('i', 0);
-}
-
-/**
- * \fn int Proc_GetMessage(Uint *Err, Uint *Source, void *Buffer)
- * \brief Gets a message
- * \param Err  Pointer to \a errno
- * \param Source       Where to put the source TID
- * \param Buffer       Buffer to place the message data (set to NULL to just get message length)
- */
-int Proc_GetMessage(Uint *Err, Uint *Source, void *Buffer)
-{
-        int    ret;
-       void    *tmp;
-       tThread *cur = Proc_GetCurThread();
-
-       ENTER("pSource pBuffer", Source, Buffer);
-       
-       // Check if queue has any items
-       if(!cur->Messages) {
-               LEAVE('i', 0);
-               return 0;
-       }
-
-       SHORTLOCK( &cur->IsLocked );
-       
-       if(Source) {
-               *Source = cur->Messages->Source;
-               LOG("*Source = %i", *Source);
-       }
-       
-       // Get message length
-       if( !Buffer ) {
-               ret = cur->Messages->Length;
-               SHORTREL( &cur->IsLocked );
-               LEAVE('i', ret);
-               return ret;
-       }
-       
-       // Get message
-       if(Buffer != GETMSG_IGNORE)
-       {
-               if( !CheckMem( Buffer, cur->Messages->Length ) )
-               {
-                       LOG("Invalid buffer");
-                       *Err = -EINVAL;
-                       SHORTREL( &cur->IsLocked );
-                       LEAVE('i', -1);
-                       return -1;
-               }
-               LOG("Copied to buffer");
-               memcpy(Buffer, cur->Messages->Data, cur->Messages->Length);
-       }
-       ret = cur->Messages->Length;
-       
-       // Remove from list
-       tmp = cur->Messages;
-       cur->Messages = cur->Messages->Next;
-       if(cur->Messages == NULL)       cur->LastMessage = NULL;
-       
-       SHORTREL( &cur->IsLocked );
-       
-       free(tmp);      // Free outside of lock
-
-       LEAVE('i', ret);
-       return ret;
-}