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f7e51c1320
If non-Go code calls sigaltstack before a signal is received, use sigaltstack to determine the current signal stack and set the gsignal stack to use it. This makes the Go runtime more robust in the face of non-Go code. We still can't handle a disabled signal stack or a signal triggered with SA_ONSTACK clear, but we now give clear errors for those cases. Fixes #7227. Update #9896. Change-Id: Icb1607e01fd6461019b6d77d940e59b3aed4d258 Reviewed-on: https://go-review.googlesource.com/18102 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Mikio Hara <mikioh.mikioh@gmail.com> |
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