X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fvfs%2Fopen.c;h=f1a16f3f4c3a8f7b496babefbceea684be69a11e;hb=5ee801f4fb22bba3298f10273027e67f53692e4c;hp=2bfb261232058562ed881b2be1cde57c7ea3cac2;hpb=015f48988e0ff398409d71dfc692005ab439490a;p=tpg%2Facess2.git

diff --git a/KernelLand/Kernel/vfs/open.c b/KernelLand/Kernel/vfs/open.c
index 2bfb2612..f1a16f3f 100644
--- a/KernelLand/Kernel/vfs/open.c
+++ b/KernelLand/Kernel/vfs/open.c
@@ -706,7 +706,8 @@ int VFS_OpenInode(Uint32 Mount, Uint64 Inode, int Mode)
 	
 	// Does the filesystem support this?
 	if( !mnt->Filesystem->GetNodeFromINode ) {
-		LOG("Filesystem does not support inode accesses");
+		Log_Notice("VFS", "Filesystem '%s' does not support inode accesses",
+			mnt->Filesystem->Name);
 		errno = ENOENT;
 		LEAVE_RET('i', -1);
 	}
@@ -722,6 +723,30 @@ int VFS_OpenInode(Uint32 Mount, Uint64 Inode, int Mode)
 	LEAVE_RET('x', VFS_int_CreateHandle(node, mnt, Mode));
 }
 
+int VFS_Reopen(int FD, const char *Path, int Flags)
+{
+	tVFS_Handle	*h = VFS_GetHandle(FD);
+	if(!h) {
+		errno = EBADF;
+		return -1;
+	}
+
+	int newf = VFS_Open(Path, Flags);
+	if( newf == -1 ) {
+		return -1;
+	}
+	
+	_CloseNode(h->Node);
+	_DereferenceMount(h->Mount, "Reopen");
+	memcpy(h, VFS_GetHandle(newf), sizeof(*h));
+	_ReferenceNode(h->Node);
+	_ReferenceMount(h->Mount, "Reopen");
+	
+	VFS_Close(newf);	
+
+	return FD;
+}
+
 /**
  * \fn void VFS_Close(int FD)
  * \brief Closes an open file handle
@@ -774,6 +799,8 @@ int VFS_DuplicateFD(int SrcFD, int DstFD)
 			return -1;
 		VFS_SetHandle(DstFD, src->Node, src->Mode);
 	}
+	_ReferenceMount(src->Mount, "DuplicateFD");
+	_ReferenceNode(src->Node);
 	memcpy(VFS_GetHandle(DstFD), src, sizeof(tVFS_Handle));
 	return DstFD;
 }
@@ -784,7 +811,10 @@ int VFS_DuplicateFD(int SrcFD, int DstFD)
 int VFS_SetFDFlags(int FD, int Mask, int Value)
 {
 	tVFS_Handle	*h = VFS_GetHandle(FD);
-	if(!FD)	return -1;
+	if(!h) {
+		errno = EBADF;
+		return -1;
+	}
 	 int	ret = h->Mode;
 	
 	Value &= Mask;