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authorTakashi Yano <takashi.yano@nifty.ne.jp>2024-09-01 04:31:03 +0900
committerTakashi Yano <takashi.yano@nifty.ne.jp>2024-09-02 20:12:39 +0900
commitf78009cb1ccf84cc343cf2441c76196461d87532 (patch)
tree0a06dbdcfbfb32abf90bf92ef3f3df74dfd2d99c /winsup/COPYING
parent84d77e5918e18170c393407d477140fcf5d3e432 (diff)
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Cygwin: pipe: Fix a regression that raw_write() slows down
After the commit 7f3c22532577, writing to pipe extremely slows down. This is because cygwait(select_sem, 10, cw_cancel) is called even when write operation is already completed. With this patch, the cygwait() is called only if the write operation is not completed. Addresses: https://cygwin.com/pipermail/cygwin/2024-August/256398.html Fixes: 7f3c22532577 ("Cygwin: pipe: handle signals explicitely in raw_write") Reported-by: Jim Reisert AD1C <jjreisert@alum.mit.edu> Reviewed-by: Corinna Vinschen <corinna@vinschen.de> Signed-off-by: Takashi Yano <takashi.yano@nifty.ne.jp>
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