Abstracts a buffer shared between multiple processes. More...
#include <util.h>
Collaboration diagram for SharedBuffer:
Public Member Functions | |
| SharedBuffer (size_t size) | |
| SharedBuffer (size_t size, void *handle) | |
| virtual | ~SharedBuffer () |
| void * | getBuffer () |
| void * | getHandle () |
Public Attributes | |
| PedigreeIpc::SharedIpcMessage * | m_pFramebuffer |
Detailed Description
Abstracts a buffer shared between multiple processes.
Pedigree uses shared IPC messages for this purpose, while Linux uses actual Linux shmem regions and passes file descriptors around.
Constructor & Destructor Documentation
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virtual |
- Todo:
- Need a way to destroy the old framebuffer without freeing the shared region. Refcount on the region perhaps?
Definition at line 44 of file user/applications/winman/util.cc.
Member Function Documentation
| void * SharedBuffer::getBuffer | ( | ) |
Retrieve the memory address of the buffer.
Definition at line 56 of file user/applications/winman/util.cc.
| void * SharedBuffer::getHandle | ( | ) |
Retrieve a handle that can used create a matching SharedBuffer
Definition at line 51 of file user/applications/winman/util.cc.
The documentation for this class was generated from the following files:
