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Typedefs | |
typedef pa_mainloop | pa_mainloop |
An opaque main loop object. | |
typedef int(* | pa_poll_func )(struct pollfd *ufds, unsigned long nfds, int timeout, void *userdata) |
Generic prototype of a poll() like function. | |
Functions | |
pa_mainloop * | pa_mainloop_new (void) |
Allocate a new main loop object. | |
void | pa_mainloop_free (pa_mainloop *m) |
Free a main loop object. | |
int | pa_mainloop_prepare (pa_mainloop *m, int timeout) |
Prepare for a single iteration of the main loop. | |
int | pa_mainloop_poll (pa_mainloop *m) |
Execute the previously prepared poll. | |
int | pa_mainloop_dispatch (pa_mainloop *m) |
Dispatch timeout, io and deferred events from the previously executed poll. | |
int | pa_mainloop_get_retval (pa_mainloop *m) |
Return the return value as specified with the main loop's quit() routine. | |
int | pa_mainloop_iterate (pa_mainloop *m, int block, int *retval) |
Run a single iteration of the main loop. | |
int | pa_mainloop_run (pa_mainloop *m, int *retval) |
Run unlimited iterations of the main loop object until the main loop's quit() routine is called. | |
pa_mainloop_api * | pa_mainloop_get_api (pa_mainloop *m) |
Return the abstract main loop abstraction layer vtable for this main loop. | |
void | pa_mainloop_quit (pa_mainloop *m, int r) |
Shutdown the main loop. | |
void | pa_mainloop_wakeup (pa_mainloop *m) |
Interrupt a running poll (for threaded systems). | |
void | pa_mainloop_set_poll_func (pa_mainloop *m, pa_poll_func poll_func, void *userdata) |
Change the poll() implementation. |
Using the routines defined herein you may create a simple main loop supporting the generic main loop abstraction layer as defined in mainloop-api.h. This implementation is thread safe as long as you access the main loop object from a single thread only.
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An opaque main loop object.
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Generic prototype of a poll() like function.
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Dispatch timeout, io and deferred events from the previously executed poll. Returns a negative value on error. On success returns the number of source dispatched. |
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Free a main loop object.
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Return the abstract main loop abstraction layer vtable for this main loop.
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Return the return value as specified with the main loop's quit() routine.
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Run a single iteration of the main loop. This is a convenience function for pa_mainloop_prepare(), pa_mainloop_poll() and pa_mainloop_dispatch(). Returns a negative value on error or exit request. If block is nonzero, block for events if none are queued. Optionally return the return value as specified with the main loop's quit() routine in the integer variable retval points to. On success returns the number of sources dispatched in this iteration. |
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Allocate a new main loop object.
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Execute the previously prepared poll. Returns a negative value on error. |
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Prepare for a single iteration of the main loop. Returns a negative value on error or exit request. timeout specifies a maximum timeout for the subsequent poll, or -1 for blocking behaviour. . |
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Shutdown the main loop.
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Run unlimited iterations of the main loop object until the main loop's quit() routine is called.
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Change the poll() implementation.
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Interrupt a running poll (for threaded systems).
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