alef 0.110.2

Opinionated polyglot binding generator for Rust libraries
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

	if err := ctx.Err(); err != nil {
		return {{ err_return_prefix }}err
	}
	cancelToken := C.{{ new_fn }}()
	if cancelToken == 0 {
		if err := lastError(); err != nil {
			return {{ err_return_prefix }}err
		}
		return {{ err_return_prefix }}fmt.Errorf("failed to create cancel token")
	}
	cancelDone := make(chan struct{})
	cancelStopped := make(chan struct{})
	go func() {
		defer close(cancelStopped)
		select {
		case <-ctx.Done():
			C.{{ cancel_fn }}(cancelToken)
		case <-cancelDone:
		}
	}()
{% if defer_cleanup %}
	defer func() {
		close(cancelDone)
		<-cancelStopped
		C.{{ free_fn }}(cancelToken)
	}()
{% else %}
	stopCancel := func() {
		close(cancelDone)
		<-cancelStopped
		C.{{ free_fn }}(cancelToken)
	}
{% endif %}