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If you set GODEBUG=cgocheck=2 the runtime package will use the write barrier to detect cases where a Go program writes a Go pointer into non-Go memory. In conjunction with the existing cgo checks, and the not-yet-implemented cgo check for exported functions, this should reliably detect all cases (that do not import the unsafe package) in which a Go pointer is incorrectly shared with C code. This check is optional because it turns on the write barrier at all times, which is known to be expensive. Update #12416. Change-Id: I549d8b2956daa76eac853928e9280e615d6365f4 Reviewed-on: https://go-review.googlesource.com/16899 Reviewed-by: Russ Cox <rsc@golang.org> |
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