Interprocess mutex class. More...
#include <ipc_mutex.h>
Inheritance diagram for c_ipc_mutex:
Collaboration diagram for c_ipc_mutex:
Public Member Functions | |
| c_ipc_mutex (const char *file_name) | |
| virtual | ~c_ipc_mutex () |
| string | get_error_log () |
| Retrieves queued errors from IPC locking objects and then clears error queue. | |
| unsigned long | get_timeout_cnt_and_reset () |
| Retrieves contidion timeout count on semaphore (POSIX-only). | |
| bool | ipc_works_on_this_platform () |
| Retrieves whether inter-process locking (shared motex and condition) works on this platform. | |
| virtual void | lock () |
| virtual void | unlock () |
| bool | was_created () |
| Retrieves our role in exclusivity. | |
Private Member Functions | |
| void | place_lock () |
| bool | test_stale_lock_file () |
Private Attributes | |
| string | error_log |
| int | fd |
| File descriptor of lock file. | |
| semaphore_t * | m_semaphore |
| Semaphore structure. | |
| bool | m_was_created |
| 'true' if we are the first, i.e. created locking mmap'ed file with semaphore; 'false' if we just connected to already created locking file | |
| unsigned long | timeout_cnt |
| Number of time-outs (protected by 'm_cnt_mutex'). | |
Detailed Description
Interprocess mutex class.
- Version:
- 1
- Date:
- 2007-09-02
- Parameters:
-
file_name Name of shared mmap'ed file (POSIX only)
Definition at line 71 of file ipc_mutex.h.
The documentation for this class was generated from the following files:
