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Rudiments
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Public Member Functions | |
| listener () | |
| virtual | ~listener () |
| void | addFileDescriptor (filedescriptor *fd) |
| void | addReadFileDescriptor (filedescriptor *fd) |
| void | addWriteFileDescriptor (filedescriptor *fd) |
| void | removeFileDescriptor (filedescriptor *fd) |
| void | removeAllFileDescriptors () |
| int32_t | listen () |
| int32_t | listen (int32_t sec, int32_t usec) |
| listenerlist * | getReadReadyList () |
| listenerlist * | getWriteReadyList () |
| void | retryInterruptedWaits () |
| void | dontRetryInterruptedWaits () |
The listener class listens for activity on a pool of filedescriptors or children of the filedescriptor class.
| listener::listener | ( | ) |
Creates an instance of the listener class.
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virtual |
Deletes this instance of the listener class.
| void listener::addFileDescriptor | ( | filedescriptor * | fd | ) |
Adds the specified file descriptor to the pool that the listener is listening on. When listen() is called, it will listen for read or write operations on this file descriptor.
| void listener::addReadFileDescriptor | ( | filedescriptor * | fd | ) |
Adds the specified file descriptor to the pool that the listener is listening on. When listen() is called, it will only listen for read operations on this file descriptor.
| void listener::addWriteFileDescriptor | ( | filedescriptor * | fd | ) |
Adds the specified file descriptor to the pool that the listener is listening on. When listen() is called, it will only listen for write operations on this file descriptor.
| void listener::dontRetryInterruptedWaits | ( | ) |
Causes waits not to automatically retry if interrupted by a signal. The default is to retry automatically.
| listenerlist* listener::getReadReadyList | ( | ) |
Returns the list of file descriptors that were ready for read operations after the last call to listen().
| listenerlist* listener::getWriteReadyList | ( | ) |
Returns the list of file descriptors that were ready for write operations after the last call to listen().
| int32_t listener::listen | ( | ) |
Causes the application to wait until a read or write operation will proceed without blocking, as appropriate for each file descriptor added by previous calls.
Returns RESULT_ERROR on error or otherwise returns the number of file descriptors that are ready to be read from or written to.
| int32_t listener::listen | ( | int32_t | sec, |
| int32_t | usec | ||
| ) |
Causes the application to wait until a read or write operation will proceed without blocking, as appropriate for each file descriptor added by previous calls, or until "sec" seconds and "usec" microseconds have elapsed.
Entering -1 for either parameter causes the method to wait indefinitely.
Entering 0 for both parameters causes the method to fall through immediately, returning RESULT_TIMEOUT unless a write operation will immediately proceed without blocking.
Returns RESULT_ERROR on error, RESULT_TIMEOUT on timeout and otherwise returns the number of file descriptors that are ready to be read from or written to.
| void listener::removeAllFileDescriptors | ( | ) |
Removes all file descriptors from the pool.
| void listener::removeFileDescriptor | ( | filedescriptor * | fd | ) |
Removes the specified file descriptor from the pool.
| void listener::retryInterruptedWaits | ( | ) |
Causes waits to automatically retry if interrupted by a signal. This is the default.