On 8/2/2019 11:50 PM, Brian Inglis wrote: > Looking at mintty wiki, it mentions pipe handling, so may reset the signal > action,
It doesn't. Look at the mintty source. > and it mentions that Cygwin emulates ptys using pipes, Cygwin pty emulation uses Windows named pipes. > Could Cygwin pty emulation with pipes, under an xterm terminal that perhaps > does > not reset signal actions, be causing or having problems under some > circumstances, while running external commands in sub-shells without normal > SIGPIPE signal actions? I don't see any connection between Cygwin's pty emulation and an application's handling of SIGPIPE. Ken