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On Jul 25 11:15, Jon Turney wrote: > > Consider the following: > > $ cat sigttin-test.c > #include <unistd.h> > #include <poll.h> > > // gcc sigttin-test.c -o sigttin-test > // ./sigttin-test & > > int main() > { > // poll stdin > struct pollfd fds; > fds.fd = STDIN_FILENO; > fds.events = POLLIN; > return poll (&fds, 1, 0); > } > > $ gcc sigttin-test.c -o sigttin-test > > on cygwin: > > $ ./sigttin-test & > [1] 6120 > > [1]+ Stopped ./sigttin-test > > $ jobs -l > [1]+ 6120 Stopped (tty input) ./sigttin-test > > > on linux: > > $ ./sigttin-test & > [1] 2779 > $ > > My reading seems to indicate that SIGTTIN should be raised when read() is > made on a tty in a backgrounded process, not when it's polled, but looking > at the Cygwin source code, it's been this way since the earliest versions in > git... > > This test case is reduced from a problem seen with gdb, since commit > 0b333c5e, where gdb stops with SIGTTIN when the inferior is started. Did you find out where it stops and do you have any ideas how we could fix this? Thanks, Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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