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On Apr 18 15:39, Ken Brown wrote: > Define fhandler:fifo::fixup_after_exec, which sets listen_client_thr > and lct_termination_evt to NULL. This forces the listen_client thread > to restart on the first attempt to read after an exec. Previously the > exec'd process could hang in fhandler_fifo::raw_read. > --- > winsup/cygwin/fhandler.h | 1 + > winsup/cygwin/fhandler_fifo.cc | 9 +++++++++ > 2 files changed, 10 insertions(+) > > diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h > index 8fb176b24..da007ee45 100644 > --- a/winsup/cygwin/fhandler.h > +++ b/winsup/cygwin/fhandler.h > @@ -1301,6 +1301,7 @@ public: > ssize_t __reg3 raw_write (const void *ptr, size_t ulen); > bool arm (HANDLE h); > void fixup_after_fork (HANDLE); > + void fixup_after_exec (); > int __reg2 fstatvfs (struct statvfs *buf); > void clear_readahead () > { > diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc > index 1d02adbaa..bc9c23998 100644 > --- a/winsup/cygwin/fhandler_fifo.cc > +++ b/winsup/cygwin/fhandler_fifo.cc > @@ -942,6 +942,15 @@ fhandler_fifo::fixup_after_fork (HANDLE parent) > fifo_client_unlock (); > } > > +void > +fhandler_fifo::fixup_after_exec () > +{ > + fhandler_base::fixup_after_exec (); > + listen_client_thr = NULL; > + lct_termination_evt = NULL; > + fifo_client_unlock (); > +} > + > void > fhandler_fifo::set_close_on_exec (bool val) > { > -- > 2.17.0 Pushed. Developer snapshots should be up in 15 mins, give or take. Thanks, Corinna -- Corinna Vinschen Cygwin Maintainer
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