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loop: clarify the pw_main_loop_run returned value
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@ -29,12 +29,14 @@ static void roundtrip(struct pw_core *core, struct pw_main_loop *loop)
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struct roundtrip_data d = { .loop = loop };
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struct spa_hook core_listener;
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int err;
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pw_core_add_listener(core, &core_listener, &core_events, &d);
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d.pending = pw_core_sync(core, PW_ID_CORE, 0);
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pw_main_loop_run(loop);
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if ((err = pw_main_loop_run(loop)) < 0)
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printf("main_loop_run error:%d!\n", err);
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spa_hook_remove(&core_listener);
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}
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@ -135,5 +135,8 @@ int pw_main_loop_run(struct pw_main_loop *loop)
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}
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}
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pw_loop_leave(loop->loop);
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if (res > 0) // This is the number of fds last polled, not useful for the caller.
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res = 0;
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return res;
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}
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@ -49,7 +49,10 @@ struct pw_loop * pw_main_loop_get_loop(struct pw_main_loop *loop);
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/** Destroy a loop */
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void pw_main_loop_destroy(struct pw_main_loop *loop);
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/** Run a main loop. This blocks until \ref pw_main_loop_quit is called */
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/** Run a main loop. This blocks until \ref pw_main_loop_quit is called.
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*
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* @return 0 on success, otherwise a negative number.
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*/
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int pw_main_loop_run(struct pw_main_loop *loop);
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/** Quit a main loop */
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