Preliminary change to make fifos/pipes interruptible and fifos reliable.
* dtable.cc (dtable::find_fifo): Eliminate definition. * dtable.h (dtable::find_fifo): Ditto for declaration. * fhandler.cc (fhandler_base::raw_read): Remove pipe-specific stuff. (fhandler_base::fhandler_base): Ditto. (fhandler_base::close): Handle overlapped I/O structure if appropriate. (fhandler_base::dup): Ditto. (fhandler_base::fork_fixup): Ditto. (fhandler_base::setup_overlapped): Define new function. (fhandler_base::destroy_overlapped): Ditto. (fhandler_base::wait_overlapped): Ditto. (fhandler_base::read_overlapped): Ditto. (fhandler_base::write_overlapped): Ditto. * fhandler.h (fhandler_base::get_overlapped): Declare new function. (fhandler_base::setup_overlapped): Ditto. (fhandler_base::destroy_overlapped): Ditto. (fhandler_base::wait_overlapped): Ditto. (fhandler_base::read_overlapped): Ditto. (fhandler_base::write_overlapped): Ditto. (fhandler_base::get_guard): Eliminate. (fhandler_pipe::*): Rework to eliminate most Win9x related cruft, removing many variables and defining a new overlapped capability. (fhandler_fifo::*): Ditto. (fifo_state): Declare new enum. * fhandler_fifo.cc (fhandler_fifo::fhandler_fifo): Remove old Win9x stuff. Initialize overlapped handle to NULL. (fhandler_fifo::set_use): Eliminate. (fhandler_fifo::open_nonserver): Define. (fhandler_fifo::open): Rework to use named pipes and overlapped I/O. (fhandler_fifo::wait): Define new function to wait for named pipe connection. (fhandler_fifo::read): Rework to use wait() and new overlapped I/O functionality. (fhandler_fifo::write): Ditto. (fhandler_fifo::dup): Eliminate. * pinfo.cc (commune_process): Remove fifo handling. (_pinfo::commune_request): Ditto. * pinfo.h (picom): Ditto. * pipe.cc (fhandler_pipe::fhandler_pipe): Remove Win9x stuff. Initialize overlapped handle to NULL. (fhandler_pipe::open): Eliminate Win9x stuff. (fhandler_pipe::set_close_on_exec): Eliminate. (read_pipe): Eliminate. (fhandler_pipe::close): Ditto. (fhandler_pipe::fixup_after_exec): Ditto. (fhandler_pipe::fixup_in_child): Ditto. (fhandler_pipe::read): Rework to use overlapped I/O. (fhandler_pipe::write): New function using overlapped I/O. (fhandler_pipe::dup): Rework to eliminate Win9x stuff. (fhandler_pipe::create_selectable): Rework to eliminate Win9x and use overlapped I/O. * select.cc (peek_pipe): Rework to eliminate Win9x stuff and use overlapped I/O. (fhandler_base::ready_for_read): Ditto.
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@ -580,24 +580,6 @@ done:
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return res;
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}
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fhandler_fifo *
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dtable::find_fifo (const char *path)
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{
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lock ();
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fhandler_fifo *fh_res = NULL;
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for (unsigned i = 0; i < size; i++)
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{
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fhandler_base *fh = fds[i];
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if (fh && fh->isfifo () && strcmp (path, fh->get_win32_name ()) == 0)
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{
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fh_res = (fhandler_fifo *) fh;
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break;
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}
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}
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unlock ();
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return fh_res;
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}
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select_record *
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dtable::select_read (int fd, select_record *s)
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{
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