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cottsay
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| with _WaitSet() as wait_set, ExitStack() as context_stack: | ||
| wait_set = _rclpy.rclpy_get_zero_initialized_wait_set() | ||
| with ExitStack() as context_stack: |
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Now that the GC can destroy the wait set when it pleases, are there any dependencies between the wait set and the entities that we need to handle?
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None that needs to be handled by the wait set. context_stack makes sure the entities in the wait set stay alive until rcl_wait() finishes. After that it's totally fine to fini the wait set even if entities no longer exist because it doesn't do anything with those pointers.
Replaces rclpy_destroy_wait_set with pycapsule destructor for the rcl_wait_set_t type. Signed-off-by: Shane Loretz <sloretz@openrobotics.org> Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>
Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>
Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>
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azeey
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Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>
Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>
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azeey
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Mar 11, 2021
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Part of #665
This also replaces
rclpy_destroy_wait_setandrclpy.executors._WaitSetwith a pycapsule destructor.