int fd_tracker_util_pipe_close(struct fd_tracker *tracker, int *pipe);
/*
* Create a poll event and track its underlying fd, if applicable.
*/
int fd_tracker_util_poll_create(struct fd_tracker *tracker,
int fd_tracker_util_pipe_close(struct fd_tracker *tracker, int *pipe);
/*
* Create a poll event and track its underlying fd, if applicable.
*/
int fd_tracker_util_poll_create(struct fd_tracker *tracker,