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newlib-cygwin/winsup/cygwin/release/1.7.36

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* fhandler.h (fhandler_base::get_echo_handle): New virtual method. (class fhandler_pty_master): Add echo_r and echo_w handles constituting read and write side of new echo pipe. * select.cc (peek_pipe): On pty masters, check additionally if input from the echo pipe is available. * fhandler_tty.cc (fhandler_pty_master::doecho): Drop output_mutex locking. Write output to echo pipe. (fhandler_pty_master::process_slave_output): Check if input is available in echo pipe and prefer to read from it, if so. (fhandler_pty_slave::write): Drop output_mutex locking. (fhandler_pty_master::fhandler_pty_master): Initialize echo pipe handles to NULL. (fhandler_pty_master::close): Close and NULL echo pipe handles. (fhandler_pty_master::setup): Create echo pipe, close in case of error.
2015-03-05 20:57:34 +08:00
What's new:
-----------
What changed:
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Bug Fixes
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- Fix potential hang in pseudo ttys when generating ECHO output while the slave
is flooding the pty with output.
Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00019.html
* tty.h (tty::set_master_ctl_closed): Rename from set_master_closed. (tty::is_master_closed): Drop method. * fhandler_tty.cc (fhandler_pty_slave::open): Remove code prematurely bailing out if master control thread is not running. (fhandler_pty_slave::read): Don't generate SIGHUP if master control thread is not running. (fhandler_pty_master::close): Rearrange code to avoid stopping master control thread twice in multi-threaded scenarios.
2015-03-05 21:58:03 +08:00
- Fix potential premature SIGHUP in pty code.
Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00070.html
Avoid name change if script is called via symlink from execvp et al. * spawn.cc (find_exec): Fix a name change in case of a symlink which can be opened as is. Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
2015-03-17 18:40:12 +08:00
- Fix a name change from symlink to target name in calls to execvp, system, etc.
Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00270.html
TIOCPKT mode of PTY is broken if ONLCR bit is cleared. * tty.h (class tty_min): Remove variable "write_error" to which any errors are not currently set at anywhere. (class tty): Add variable "column" for handling ONOCR. * tty.cc (tty::init): Add initialization code for variable "column". * fhandler.h (class fhandler_pty_master): Remove variable "need_nl" which is not necessary any more. "need_nl" was needed by OPOST process in fhandler_pty_master::process_slave_output(). (class fhandler_pty_common): Add function process_opost_output() for handling post processing for OPOST in write process. * fhandler_tty.cc (fhandler_pty_master::process_slave_output): Count TIOCPKT control byte into length to be read in TIOCPKT mode. Move post processing for OPOST to write process. Remove code related to variable "write_error". Return with EIO error if slave is already closed. (fhandler_pty_master::fhandler_pty_master): Remove initialization code for variable "need_nl". (fhandler_pty_common::process_opost_output): Add this function for handling of OPOST in write process. Add code to avoid blocking in non-blocking mode when output is suspended by ^S. (fhandler_pty_slave::write): Call fhandler_pty_common:: process_opost_output() instead of WriteFile(). Remove code related to variable "write_error". (fhandler_pty_master::doecho): Call fhandler_pty_common:: process_opost_output() instead of WriteFile(). * select.cc (peek_pipe): Remove code related to variable "need_nl". Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-03-25 19:42:38 +08:00
- Fix internal error in pty -ONLCR handling. Fix timing bug in pty OPOST
handling.
Addresses: https://cygwin.com/ml/cygwin/2015-02/msg00929.html