| commit | 37715cce695e96d3d5a8e01f5009517121241330 | [log] [tgz] |
|---|---|---|
| author | Cherry Zhang <cherryyz@google.com> | Tue Nov 19 16:04:32 2019 -0500 |
| committer | Cherry Zhang <cherryyz@google.com> | Thu Nov 21 16:56:47 2019 +0000 |
| tree | b67c48fd56af9c13a9e1fb1cf0d5ec04845bea9d | |
| parent | c7e73ef60af9c91b8c2c2909d5f6de040218597d [diff] |
runtime: relax TestAsyncPreempt In TestAsyncPreempt, the function being tested for preemption, although still asynchronously preemptible, may have only samll ranges of PCs that are preemtible. In an unlucky run, it may take quite a while to have a signal that lands on a preemptible instruction. The test case is kind of an extreme. Relax it to make it more preemptible. In the original version, the first closure has more work to do, and it is not a leaf function, and the second test case is a frameless leaf function. In the current version, the first one is also a frameless leaf function (the atomic is intrinsified). Add some calls to it. It is still not preemptible without async preemption. Fixes #35608. Change-Id: Ia4f857f2afc55501c6568d7507b517e3b4db191c Reviewed-on: https://go-review.googlesource.com/c/go/+/208221 Run-TryBot: Cherry Zhang <cherryyz@google.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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