Tools/UDI - Misc touchups
[tpg/acess2.git] / Tools / NetTest / vfs_shim.c
index bc0c67c..97ac4db 100644 (file)
 // === CODE ===
 int VFS_SelectNode(tVFS_Node *Node, int Type, tTime *Timeout, const char *Name)
 {
+       tThread *us = Proc_GetCurThread();
+
+        int    ret = 0;
+
+       Threads_ClearEvent(THREAD_EVENT_VFS);
+
+       if( Type & VFS_SELECT_READ ) {
+               Node->ReadThreads = (void*)us;
+               if(Node->DataAvaliable) ret |= VFS_SELECT_READ;
+       }
+       if( Type & VFS_SELECT_WRITE ) {
+               Node->WriteThreads = (void*)us;
+               if(!Node->BufferFull)   ret |= VFS_SELECT_WRITE;
+       }
+       if( Type & VFS_SELECT_ERROR ) {
+               Node->ErrorThreads = (void*)us;
+               if(Node->ErrorOccurred) ret |= VFS_SELECT_ERROR;
+       }
        
-       return 0;
+       if( !ret )
+       {
+               // TODO: Timeout
+               Threads_WaitEvents(THREAD_EVENT_VFS);
+       }
+
+       if( Type & VFS_SELECT_READ ) {
+               Node->ReadThreads = NULL;
+               if(Node->DataAvaliable) ret |= VFS_SELECT_READ;
+       }
+       if( Type & VFS_SELECT_WRITE ) {
+               Node->WriteThreads = NULL;
+               if(!Node->BufferFull)   ret |= VFS_SELECT_WRITE;
+       }
+       if( Type & VFS_SELECT_ERROR ) {
+               Node->ErrorThreads = NULL;
+               if(Node->ErrorOccurred) ret |= VFS_SELECT_ERROR;
+       }
+       return ret;
 }
 
 int VFS_MarkAvaliable(tVFS_Node *Node, BOOL bAvail)
@@ -32,6 +68,16 @@ int VFS_MarkError(tVFS_Node *Node, BOOL bError)
        return 0;
 }
 
+int VFS_MarkFull(tVFS_Node *Node, BOOL bError)
+{
+       Node->BufferFull = bError;
+       if( !Node->BufferFull && Node->WriteThreads )
+               Threads_PostEvent( (void*)Node->WriteThreads, THREAD_EVENT_VFS );
+       return 0;
+}
+
+
+#if 0
 int VFS_Open(const char *Path, Uint Flags)
 {
        return -1;
@@ -40,9 +86,39 @@ int VFS_Open(const char *Path, Uint Flags)
 void VFS_Close(int FD)
 {
 }
+#endif
 
-tVFS_Handle *VFS_GetHandle(int FD)
+int VFS_AllocHandle(int bIsUser, tVFS_Node *Node, int Mode)
 {
-       return NULL;
+       const int maxfd = *Threads_GetMaxFD();
+       tVFS_Handle     *handles = *Threads_GetHandlesPtr();
+       if( !handles ) {
+               handles = calloc( maxfd, sizeof(tVFS_Handle) );
+               *Threads_GetHandlesPtr() = handles;
+       }
+
+       // TODO: Global handles
+
+       for( int i = 0; i < maxfd; i ++ )
+       {
+               if( handles[i].Node == NULL ) {
+                       handles[i].Node = Node;
+                       handles[i].Mode = Mode;
+                       return i;
+               }
+       }
+       return -1;
 }
 
+tVFS_Handle *VFS_GetHandle(int FD)
+{
+       const int maxfd = *Threads_GetMaxFD();
+       tVFS_Handle     *handles = *Threads_GetHandlesPtr();
+       if( !handles )
+               return NULL;
+
+       if( FD < 0 || FD >= maxfd )
+               return NULL;
+
+       return &handles[FD];
+}

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