On Sun, 22 Dec 2024 10:59:11 +0900 Daisuke Fujimura wrote: > > Could you please test if additional SIGCHLD can release hanging? > > Start mintty and check the process from another bash. > > $ ps > PID PPID PGID WINPID TTY UID STIME COMMAND > 1713 1662 1713 6800 cons0 197609 04:26:01 /usr/bin/ps > 1671 1 1671 6072 ? 197609 04:25:47 /usr/bin/mintty > I 1672 1671 1672 2096 pty0 197609 04:25:48 /usr/bin/zsh > 1662 1 1662 4696 cons0 197609 04:24:21 /usr/bin/bash > > After typing enter into zsh several times, the prompt is not returned.
OK. I could reproduce it after typing enter about ~100 times. > $ ps > PID PPID PGID WINPID TTY UID STIME COMMAND > 1728 1727 1672 3948 pty0 197609 04:26:10 /usr/bin/zsh > 1731 1662 1731 7644 cons0 197609 04:26:14 /usr/bin/ps > 1727 1672 1672 4076 pty0 197609 04:26:10 /usr/bin/zsh > 1671 1 1671 6072 ? 197609 04:25:47 /usr/bin/mintty > 1672 1671 1672 2096 pty0 197609 04:25:48 /usr/bin/zsh > 1662 1 1662 4696 cons0 197609 04:24:21 /usr/bin/bash > > SIGCHLD is sent to zsh with mintty as parent, but nothing seems to change. > > $ kill -CHLD 1672 > $ ps > PID PPID PGID WINPID TTY UID STIME COMMAND > 1728 1727 1672 3948 pty0 197609 04:26:10 /usr/bin/zsh > 1727 1672 1672 4076 pty0 197609 04:26:10 /usr/bin/zsh > 1671 1 1671 6072 ? 197609 04:25:47 /usr/bin/mintty > 1672 1671 1672 2096 pty0 197609 04:25:48 /usr/bin/zsh > 1733 1662 1733 5388 cons0 197609 04:33:39 /usr/bin/ps > 1662 1 1662 4696 cons0 197609 04:24:21 /usr/bin/bash How about sending SIGCHLD to the newest child, i.e. kill -CHLD 1728 for this case? -- Takashi Yano <takashi.y...@nifty.ne.jp> -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
