#include <shm_lister.h>
Inheritance diagram for fawkes::SharedMemoryLister:
Public Member Functions | |
virtual | ~SharedMemoryLister () |
virtual destructor | |
virtual void | print_header ()=0 |
Print header of the table. | |
virtual void | print_footer ()=0 |
Print footer of the table. | |
virtual void | print_no_segments ()=0 |
Print this if no matching segment was found. | |
virtual void | print_no_orphaned_segments ()=0 |
Print this if no matching orphaned segment was found. | |
virtual void | print_info (const SharedMemoryHeader *header, int shm_id, int semaphore, unsigned int mem_size, const void *memptr)=0 |
Print info about segment. |
Implement this function specific to your SharedMemoryHeader to printout data about the shared memory segments.
Definition at line 38 of file shm_lister.h.
virtual fawkes::SharedMemoryLister::~SharedMemoryLister | ( | ) | [inline, virtual] |
virtual void fawkes::SharedMemoryLister::print_footer | ( | ) | [pure virtual] |
Print footer of the table.
This should fit on the terminal and thus have a width of at most 79 columns.
Implemented in firevision::SharedMemoryImageBufferLister, firevision::SharedMemoryLookupTableLister, and fawkes::BlackBoardSharedMemoryLister.
Referenced by fawkes::SharedMemory::erase(), fawkes::SharedMemory::erase_orphaned(), and fawkes::SharedMemory::list().
virtual void fawkes::SharedMemoryLister::print_header | ( | ) | [pure virtual] |
Print header of the table.
This should fit on the terminal and thus have a width of at most 79 columns.
Implemented in firevision::SharedMemoryImageBufferLister, firevision::SharedMemoryLookupTableLister, and fawkes::BlackBoardSharedMemoryLister.
Referenced by fawkes::SharedMemory::erase(), fawkes::SharedMemory::erase_orphaned(), and fawkes::SharedMemory::list().
virtual void fawkes::SharedMemoryLister::print_info | ( | const SharedMemoryHeader * | header, | |
int | shm_id, | |||
int | semaphore, | |||
unsigned int | mem_size, | |||
const void * | memptr | |||
) | [pure virtual] |
Print info about segment.
This method is called for every matching shared memory segment. You should print a line of information (maybe more than one line if needed) about the segment.
header | The data-specific header | |
shm_id | The id of the shared memory segment | |
semaphore | Semaphore key of the given shared memory segment | |
mem_size | the total memory size | |
memptr | pointer to the data segment. |
Implemented in firevision::SharedMemoryImageBufferLister, firevision::SharedMemoryLookupTableLister, and fawkes::BlackBoardSharedMemoryLister.
Referenced by fawkes::SharedMemory::erase(), fawkes::SharedMemory::erase_orphaned(), and fawkes::SharedMemory::list().
virtual void fawkes::SharedMemoryLister::print_no_orphaned_segments | ( | ) | [pure virtual] |
Print this if no matching orphaned segment was found.
Called by SharedMemory::erase_orphaned() if no matching segment could be found.
Implemented in firevision::SharedMemoryImageBufferLister, firevision::SharedMemoryLookupTableLister, and fawkes::BlackBoardSharedMemoryLister.
Referenced by fawkes::SharedMemory::erase_orphaned().
virtual void fawkes::SharedMemoryLister::print_no_segments | ( | ) | [pure virtual] |
Print this if no matching segment was found.
Called by SharedMemory if no matching segment could be found.
Implemented in firevision::SharedMemoryImageBufferLister, firevision::SharedMemoryLookupTableLister, and fawkes::BlackBoardSharedMemoryLister.
Referenced by fawkes::SharedMemory::erase(), fawkes::SharedMemory::erase_orphaned(), and fawkes::SharedMemory::list().