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* event-loop.c (call_async_signal_handler): New.
* event-loop.h (call_async_signal_handler)
(gdb_call_async_signal_handler): Declare.
(mark_async_signal_handler): Add comments.
* event-top.c (handle_sigint): Use gdb_call_async_signal_handler.
* mingw-hdep.c (sigint_event, sigint_handler): New.
(gdb_select): Use them. Wait for the readline signal handler
to finish.
(gdb_call_async_signal_handler, _initialize_mingw_hdep): New functions.
* posix-hdep.c (gdb_call_async_signal_handler): New function.
* remote-fileio.c (sigint_fileio_token, async_remote_fileio_interrupt):
New.
(remote_fileio_ctrl_c_signal_handler): Use
gdb_call_async_signal_handler.
(initialize_remote_fileio): Initialize sigint_fileio_token.
* remote.c (initialize_sigint_signal_handler, handle_remote_sigint): Do
not initialize tokens here.
(handle_remote_sigint_twice): Likewise. Reinstall
handle_remote_sigint.
(async_remote_interrupt_twice): Just call interrupt_query.
(cleanup_sigint_signal_handler): Do not delete tokens.
(remote_interrupt, remote_interrupt_twice): Use
gdb_call_async_signal_handler.
(interrupt_query): Reinstall the default signal handler.
(_initialize_remote): Initialize tokens here.
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* mingw-hdep.c (gdb_select): Stop helper threads before returning.
* ser-mingw.c (enum select_thread_state): New type.
(struct ser_console_state): Add have_started and thread_state.
(select_thread_wait): New function.
(thread_fn_type): New type.
(create_select_thread): New function.
(destroy_select_thread): Likewise.
(start_select_thread): Likewise.
(stop_select_thread): Likewise.
(console_select_thread): Use new functions.
(pipe_select_thread): Likewise.
(file_select_thread): Likewise.
(ser_console_wait_handle): Likewise.
(ser_console_done_wait_handle): Likewise.
(ser_console_close): Likewise.
(free_pipe_state): Likewise.
(pipe_wait_handle): Likewise.
(pipe_done_wait_handle): Likewise.
(struct net_windows_state): Derive from ser_console_state.
(net_windows_select_thread): Use new functions.
(net_windows_wait_handle): Likewise.
(net_windows_done_wait_handle): Likewise.
(net_windows_close): Likewise.
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Switch the license of all .h files to GPLv3.
Switch the license of all .cc files to GPLv3.
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before calling FD_ISSET. Correct check for exceptfds which
previously tested writefds.
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(struct ser_console_state, struct net_windows_state): Add exit_select,
have_stopped, thread.
(pipe_select_thread, console_select_thread)
(net_windows_select_thread): Don't create a local state copy or
close stop_select. Exit on exit_select instead of stop_select. Set
have_stopped.
(console_select_thread): Don't report control keypresses as pending
input.
(pipe_select_thread): Allow stop_select to interrupt sleeping.
(set_console_wait_handle): Create exit_select and have_stopped.
Save the thread handle. Check _kbhit before starting a thread.
(ser_console_done_wait_handle): New.
(ser_console_close): Close new handles. Wait for the thread to
exit.
(new_windows_select_thread): Assert that an event occurred.
(net_windows_wait_handle): Check for pending input before starting
a thread.
(net_windows_done_wait_handle): New.
(net_windows_open): Create exit_select and have_stopped.
Save the thread handle.
(net_windows_close): Close new handles. Wait for the thread to
exit.
(_intiialize_ser_windows): Register done_wait_handle methods.
* serial.c [USE_WIN32API] (serial_done_wait_handle): New.
* serial.h [USE_WIN32API] (struct serial_ops): Add done_wait_handle.
[USE_WIN32API] (serial_done_wait_handle): New prototype.
* mingw-hdep.c (gdb_select): Use serial_done_wait_handle.
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* Makefile.in (gdb_select_h, ser_tcp_h): New.
(ALLDEPFILES): Add ser-mingw.c.
(event-loop.o, inflow.o, mingw-hdep.o, posix-hdep.o, ser-base.o)
(ser-tcp.o, ser-unix.o): Update.
(ser-mingw.o): New rule.
* configure: Regenerated.
* configure.ac: Add ser-mingw.o for mingw32.
* ser-mingw.c: New file.
* event-loop.c: Include "gdb_select.h".
(gdb_select): Remove, moved to mingw-hdep.c and posix-hdep.c.
* ser-base.c: Include "gdb_select.h".
(ser_base_wait_for): Use gdb_select.
* serial.c (serial_for_fd): New function.
(serial_fdopen): Try "terminal" before "hardwire". Initialize
the allocated struct serial.
(serial_wait_handle): New function.
* serial.h (serial_for_fd, serial_wait_handle): New prototypes.
(struct serial_ops) [USE_WIN32API]: Add wait_handle.
* gdb_select.h: New file.
* ser-tcp.c: Include "ser-tcp.h". Remove unused "ser-unix.h" include.
(net_close, net_read_prim, net_write_prim): Make global.
(net_open): Likewise. Pass an exception set to select. Whitespace fix.
Document why we can not use gdb_select.
(_initialize_ser_tcp) [USE_WIN32API]: Do not register TCP support here.
* ser-tcp.h: New file.
* inflow.c (gdb_has_a_terminal): Don't initialize stdin_serial here.
(handle_sigio): Use gdb_select.
(initialize_stdin_serial): New function.
* terminal.h (initialize_stdin_serial): New prototype.
* top.c (gdb_init): Call initialize_stdin_serial.
* mingw-hdep.c (gdb_select): New function, moved from gdb_select in
event-loop.c. Add exception condition support. Use serial_for_fd
and serial_wait_handle. Fix timeout handling.
* posix-hdep.c: Include "gdb_select.h".
(gdb_select): New function.
* remote-st.c (connect_command): Use gdb_select.
* ser-unix.c: Include "gdb_select.h".
(hardwire_send_break, wait_for): Use gdb_select.
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(ALLDEPFILES): Add mingw-hdep.c and posix-hdep.c.
* configure.ac: Add gdb_host_obs to CONFIG_OBS. Set gdb_host_obs
to posix-hdep.o by default.
* configure: Regenerated.
* configure.host: Document gdb_host_obs. Add an entry for
i[34567]86-*-mingw32*.
* mingw-hdep.c, posix-hdep.c: New files.
* utils.c (safe_strerror): Remove, moved to posix-hdep.o.
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