John Ericson c18911602e Fix boehmgc-coroutine-sp-fallback.diff for FreeBSD ...

Our FreeBSD headers have `pthread_getattr_np`, but we get a link-time
error that is missing. The good news is that there is another similar
function which does exist, and the upstream project elsewhere does just
the [fallback code] we need.

As the fallback code indicates, the two functions are not identical
however as the other one needs explicit initialization. NetBSD supports
both in fact, and its [manpage] is therefore a good
resource on what the differences are.

[fallback code]: 07a6d0ee88/os_dep.c (L1266-L1272)

[manpage]: https://man.netbsd.org/pthread_attr_get_np.3

2023-09-20 09:04:42 -04:00

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