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0b6b450c64
There seems to be no rationale reason for _cygtls::spinning to exist, so it has been removed. _cygtls::spinning was introduced in the commit edc4f86ad282A, and this flag means that another thread is waiting to acquire _cygtls::stacklock. It is checked in the sig thread in _cygtls:: interrupt_now(), and if spinning is true, the interrupt will be delayed. However, in this case, _cygtls::incyg is also set, so it is supposed to be covered by _cygtls::incyg flag and does not seem to add any value. If some problems happen in the signal handling, it might be a good idea to revert this commit and check if the issue will be fixed. Reviewed-by: Corinna Vinschen <corinna@vinschen.de> Signed-off-by: Takashi Yano <takashi.yano@nifty.ne.jp>