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path: root/winsup/cygwin/fhandler_tty.cc
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* * tty.h (tty::create_inuse): Add new parameter to allow non-Egor Duda2001-03-191-2/+12
| | | | | | | | | | | | inheritable 'inuse' events. * tty.cc (tty::create_inuse): Use new parameter. * fhandler_tty.cc (fhandler_tty_master::init): Ditto. * fhandler_tty.cc (fhandler_pty_master::open): Ditto. * fhandler_tty.cc (fhandler_tty_master::init): Create master_alive event. * tty.cc (tty_list::terminate): Close master_alive event. * fhandler_tty.cc (fhandler_tty_common::close): Send EOF to slaves when master side is closed.
* * fhandler.h (fhandler_tty_slave): Declare new methods.Egor Duda2001-03-181-3/+14
| | | | | | | | | | | | | | * select.cc (fhandler_tty_slave::select_read): New method. * select.cc (fhandler_tty_slave::ready_for_read): Ditto. * select.cc (verify_tty_slave): New function. * fhandler_termios.cc (fhandler_termios::line_edit): Empty input buffer on signal. * fhandler_tty.cc (fhandler_tty_slave::read): Check for input data after reading from pipe. Reset event if input pipe is empty. * tty.h (class tty): Allow creating events with manual reset. * tty.cc (tty::get_event): Use manual_reset flag. * tty.cc (tty::common_init): Create input_available_event with manual reset.
* fix spelling error.Christopher Faylor2001-03-171-1/+1
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* * fhandler.h (fhandler_termios::fixup_after_exec): New function.Egor Duda2001-03-121-2/+1
| | | | | | | * fhandler.cc (fhandler_termios::fixup_after_fork): New function. Fixup output handle. * fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Output handle is now fixed up in fhandler_termios::fixup_after_fork().
* * autoload.cc (noload): Use proper method for multiline strings or newer gcc'sChristopher Faylor2001-03-111-60/+69
| | | | | | | | complain. * exceptions.cc (unused_sig_wrapper): Ditto. * fhandler.h (fhandler_base): Make get_io_handle and friends return self. * fhandler_tty.cc (fhandler_pty_common::close_on_exec): Accomodate DEBUGGING flag to avoid spurious warnings when inheritance is set.
* * dlopen.c (dlopen): Return NULL when name is NULL (suggested byChristopher Faylor2001-03-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | chrisiasci@aol.com). * cygwin.din: Add a new, internally used export - _check_for_executable. * dcrt0.cc (dll_crt0_1): Set _check_for_executable for older binaries. Pass user_data to premain functions. * fhandler.cc (fhandler_disk_file::open): Only check for executable if the linked program is intereested in the executable bit. (fhandler_disk_file::check_execable_p): Delete. * fhandler.h (executable_states): New enumeration of various states of executable bit caring. (fhandler_base::set_execable_p): New method. * fhandler_termios.cc (fhandler_termios::line_edit): Flag when a signal has been sent to the tty. Return -1 when this is so. * fhandler_console.cc (fhandler_console::read): Return -1 when signal sending character encountered. * path.cc (path_conv::check): Record when path refers to a disk device. Move executable extension check here. (check_sysfile): Accomodate new EXEC path states. (has_suffix): Remove. (next_suffix): Remove. (class suffix_scan): New clas. (suffix_scan::has): New method. (suffix_scan:next): New method. (symlink_info::check): Use suffix_scan method to control for scanning for suffixes. * path.h (path_conv::exec_state): New method. * perprocess.h: Make "C" friendly. * include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_S_IEXEC. Bump CYGWIN_VERSION_API_MINOR. * include/sys/cygwin.h: Change premain declarations. * winsup.h: Move __cplusplus test to after builtin defines.
* * fhandler.h (class fhandler_tty_common): New mutex and event toEgor Duda2001-03-041-67/+147
| | | | | | | | | | | | | | | | | | syncronize input on master tty with slave tty. * fhandler_tty.cc (fhandler_pty_master::accept_input): Use them to syncronize with slave. * fhandler_tty.cc (fhandler_tty_slave::read): Use input mutex and event to syncronize with master. Do not limit amount of data read from master to vmin value. Interrupt on signal and return already read data, if any. * fhandler_tty.cc (fhandler_tty_slave::open): Handle input mutex and event. * fhandler_tty.cc (fhandler_tty_common::close): Ditto. * fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Ditto. * fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Ditto. * fhandler_tty.cc (fhandler_tty_common::dup): Ditto. * tty.h (tty::open_input_mutex): New function. * tty.cc (tty::common_init): Create input mutex and event.
* * debug.cc (add_handle): Issue warning on attempts to add the same handle moreChristopher Faylor2000-10-171-4/+10
| | | | | | | | | | | | than once. * fhandler_tty.cc (fhandler_tty_slave::open): Protect some handles. (fhandler_tty_common::close): Use proper name when closing handles. (fhandler_pty_master::close): Don't close to_slave or from_slave since they've already been closed earlier in the function. * sigproc.cc (proc_subproc): Don't protect vchild->hProcess. Expect that the caller will do this, instead. * tty.cc (tty_list::terminate): Use proper name when closing handles. (tty::make_pipes): Protect some handles.
* * fhandler_tty.cc (fhandler_tty_slave::write): Correct typo which causedChristopher Faylor2000-09-181-1/+1
| | | | resetting of windows error to ERROR_IO_DEVICE to be ignored.
* Break out more header info into separate files. Use appropriate header filesChristopher Faylor2000-09-081-1/+0
| | | | | | | | | | | | throughout. * shared.h: Remove. * cygwin_version.h: New file. * delqueue.h: New file. * environ.h: New file. * host_dependent.h: New file. * perprocess.h: New file. * registry.h: New file. * security.h: New file.
* Split out tty and shared_info stuff into their own headers and use throughout.Christopher Faylor2000-09-071-21/+18
| | | | | | | | | | | | | | | | | Include sys/termios.h for files which need it. * tty.h: New file. * shared_info.h: New file. * fhandler.h: Move inline methods that rely on tty stuff to fhandler_console.cc. * fhandler_tty.cc (fhandler_pty_master::process_slave_output): Set output_done_event immediately after reading data to speed up tty output processing. (process_output): Set write_error to errno or zero. (fhandler_tty_slave::write): Check previous write error prior to writing to slave end of pipe. This allows tty output to be slightly less synchronous. * fhandler_console.cc (fhandler_console::tcsetpgrp): Moved here from fhandler.h. (fhandler_console::set_input_state): Ditto.
* * exceptions.cc (signal_exit): Reset all mutos owned by the main thread.Christopher Faylor2000-09-071-25/+0
| | | | | | | | | | | | | | | | | | | * fhandler.h: Define *_output_mutex macros for serializing tty output. (fhandler_termios): Remove restart_output_event. Define dummy output mutex methods. (fhandler_pty_master): Remove unneeded fixup_after_fork method. * fhandler_termios.cc (fhandler_termios::line_edit): Acquire output_mutex when CTRL-S is hit. Release it on CTRL-Q. * fhandler_tty.cc (fhandler_pty_master::process_slave_output): Remove inappropriate OutputStopped test here. Just use the output mutex. (fhandler_pty_master::fhandler_pty_master): Remove obsolete reference to restart_output_event. (fhandler_tty_common::close): Ditto. (fhandler_pty_master::set_close_on_exec): Ditto. (fhandler_pty_master::fixup_after_fork): Delete. * tty.cc (tty::common_init): Ditto. * sync.cc (muto::reset): New method. * sync.h: Declare above method.
* * Makefile.in: Add cygheap.o.Christopher Faylor2000-09-031-6/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * child_info.h: Add specific exec class. * cygheap.h: New file. Contains declarations for cygwin heap. * cygheap.cc: New file. Implements cygwin heap functions. * dcrt0.cc (quoted): Simplify due to new method for passing arguments between cygwin programs. (alloc_stack_hard_way): Attempt to handle overlapped stack. (dll_crt0_1): Move child_info processing here. Accomodate new method for passing arguments between cygwin programs. Initialize cygwin heap. Establish __argc and __argv variables. (_dll_crt0): Move most of child_info processing to dll_crt0_1. (cygwin_dll_init): Remove duplication. * dtable.cc (dtable::extend): Allocate dtable using cygwin heap. (dtable::build_fhandler): Ditto for fhandler type being constructed. (dtable::dup_worker): Free new fhandler from cygwin heap on error. (dtable::select_*): Don't assume that this == fdtab. (dtable::linearize_fd_array): Delete. (dtable::delinearize_fd_array): Delete. (dtable::fixup_after_exec): New file. (dtable::vfork_child_dup): Use cygwin heap. (dtable::vfork_parent_restore): Ditto. * dtable.h: Remove obsolete methods. Add new method. * environ.cc (posify): Eliminate already_posix parameter and logic. (envsize): New function. (_addenv): Use envsize. (environ_init): Accept an argument pointing to an existing environment list. If supplied, allocate space for this in the the program's heap. * fhandler.cc (fhandler_base::operator =): Move here from fhandler.h. Use cygwin heap to allocate filenames. (fhandler_base::set_name): Allocate/free names from cygwin heap. (fhandler_base::linearize): Delete. (fhandler_base::de_linearize): Delete. (fhandler_base::operator delete): Free from cygwin heap. (fhandler_base::~fhandler_base): Ditto. * fhandler.h: Accomodate elimination of *linearize and other changes above. * fhandler_console.cc (fhandler_console::fixup_after_exec): Rename from de_linearize. * heap.h: New file. * fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Use cygwin heap for name. fhandler_tty::fixup_after_exec): Rename from de_linearize. * fork.cc (fork): Call cygheap_fixup_in_child. * heap.cc: Use declarations in heap.h. * malloc.cc: Sprinkle assertions throughout to catch attempts to free/realloc something from the cygwin heap. * path.cc: Throughout, eliminate use of per-thread cache for cwd. Use cwd_* functions rather than cwd_* variables to access cwd_win32 and cwd_posix. (cwd_win32): New function. (cwd_posix): New function. (cwd_hash): New function. (cwd_fixup_after_exec): New function. * path.h: Accomodate path.cc changes. * pinfo.cc (pinfo_init): Accept a pointer to an environment table. Pass this to environ_init. Eliminate old 'title' tests. * pinfo.h: Accomodate above change in argument. * spawn.cc (struct av): New method for building argv list. (av::unshift): New method. (spawn_guts): Allocate everything that the child process needs in the cygwin heap and pass a pointer to this to the child. Build argv list using new method. Eliminate delinearize stuff. * thread.h: Eliminate _cwd_win32 and _cwd_posix buffers. * winsup.h: Eliminate obsolete functions. Add envsize() declaration.
* * signal.cc (_raise): New function.Christopher Faylor2000-08-291-1/+9
| | | | | | | | * exceptions.cc (unused_sig_wrapper): Remove _raise. * sigproc.h (class sigframe): Default frames to skip to zero or suffer from exuberant optimization. * fhandler_tty.cc (fhandler_tty::write): Set appropriate errno when WriteFile to pipe fails.
* * winsup.h: Eliminate inclusion of most of the cygwin .h files. Use .h filesChristopher Faylor2000-08-221-1/+4
| | | | | only in sources which require them. * Makefile.in: Generate dependencies with -MD option.
* * cygerrno.h: New file. Use this throughout whenever errno manipulation isChristopher Faylor2000-08-221-0/+1
| | | | | | | | | | | | | | | required. * errno.cc: Use DWORD to hold Windows errors. (geterrno_from_win_error): New function. (seterrno_from_win_error): Use geterrno_from_win_error to convert supplied windows error (suggested by Corinna Vinschen). * path.cc (symlink_info): Add error element. * path.cc (path_conv::check): Remove errno setting. Use new symlink_info errno element to set path_conv error, where appropriate. (symlink_info::check): Set error element rather than attempting to manipulate errno. Add more checks for trailing / and /.. even though they are currently useless. Avoid setting EINVAL. * path.cc (normalize_posix_path): Correct check for trailing /.
* Correct order in include files.Christopher Faylor2000-08-121-1/+1
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* * winsup.h: Split out dtable definitions into separate header file.Christopher Faylor2000-08-121-0/+2
| | | | | | * dtable.h: New file. * sigproc.h: Eliminate pinfo.h usage here. Use it in source files that need it.
* Rename hinfo -> dtable. Name the former dtable array 'fdtab'.Christopher Faylor2000-08-121-1/+1
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* * fhandler_tty.cc (fhandler_pty_master::process_slave_output): Set length fieldChristopher Faylor2000-08-031-0/+1
| | | | correctly when "need_nl".
* * strace.cc (strace::prntf): Make second argument the function name, ratherChristopher Faylor2000-08-021-3/+3
| | | | | | | | | | | | than use special format options. (strace::vprntf): Ditto. (getfunc): New function. * include/sys/strace.h: Reflect above changes. * smallprint.c (__small_vsprintf): Eliminate '%F' formatting. * pinfo.cc (set_myself): Modify for new strace::prntf parameter. * errno.cc (seterrno_from_win_error): Ditto. * fhandler_tty.cc (fhandler_tty_common::__acquire_output_mutex): Ditto. * fhandler_tty.cc (fhandler_tty_common::__release_output_mutex): Ditto.
* * winsup.h: take out protections of environ, errno, allow C useDJ Delorie2000-08-021-1/+1
| | | | | | | | | | * *.cc: put winsup.h before other headers (for __INSIDE_CYGWIN__); use cur_environ() instead of just environ * times.cc: remove import protections * glob.c: add winsup.h * localtime.c: ditto * smallprint.c: ditto * Makefile.in: don't __INSIDE_CYGWIN__ as it messes up profiling.
* * Makefile.in (DLL_OFILES): Sort.Christopher Faylor2000-05-121-23/+31
| | | | | * fhandler_tty.cc (fhandler_tty_slave::send_ioctl_request): Eliminate. (fhandler_tty_slave::ioctl): Rewrite to avoid races.
* Pipe changes throughout suggested by Eric Fifer <EFifer@sanwaint.com>Christopher Faylor2000-03-151-3/+0
| | | | | | | | | | | | | | | | | | | | | * debug.cc (threadname_init): Pass name of lock as arg 2 of new_muto. * malloc.cc (malloc_init): Ditto. * sigproc.cc (sigproc_init): Ditto. * exceptions.cc (events_init): Ditto. (call_handler): Eliminate special case for hExeced. Report locked thread in debugging output. * fhandler.cc (fhandker_pipe::fhandler_pipe): Propagate device type to base class. * fhandler.h (fhandler_pipe): Ditto. * hinfo.cc (hinfo::build_fhandler): Pass specific type of pipe to constructor. * spawn.cc (spawn_guts): Eliminate dependency on signal when waiting for subprocess. * strace.cc: Remove obsolete #ifdef. * sync.cc (muto::muto): Save the name of the muto. (muto:~muto): Also release the muto. * sync.h: Add a muto name field. * select.cc (peek_pipe): Avoid doing a PeekNamedPipe on the write end of a pipe.
* * fhandler.cc (fhandler_base::get_readahead_into_buffer): New function.Christopher Faylor2000-03-121-70/+60
| | | | | | | | | | | | | * fhandler.h: Declare new function. Add extra argument to process_slave_output. * fhandler_console.cc (fhandler_console::read): Move read ahead code to new function. * fhandler_tty.cc (fhandler_pty_master::process_slave_output): Move common code here. (fhandler_tty_slave::read): Understand readahead. (fhandler_pty_master::read): Move code to process_slave_output. * select.cc (peek_pipe): Avoid performing certain checks when non-read and on inappropriate fh types.
* * fhandler_console.cc (fhandler_console::read): Don't even think about breakingChristopher Faylor2000-03-121-107/+119
| | | | | | | on interrupt if executing in a "cygwin" thread. * fhandler_tty.cc (fhandler_pty_master::process_slave_output): Streamline, simplify code. * sigproc.cc (sig_send): Remove debugging statement.
* * environ.cc: Eliminate oldstack CYGWIN option.Christopher Faylor2000-03-091-10/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * exceptions.cc (sfta): Eliminate obsolete function. (sgmb): Eliminate obsolete function. (class stack_info): Remove MS method for walking the stack. (stack_info::init): Just initialize required fields. (stack_info::brute_force): Rename to stack_info::walk. (handle_exceptions): Pass derived frame pointer to sig_send. (interrupt_setup): Clear saved frame pointer here. (interrupt_on_return): thestack is no longer a pointer. (call_handler): Accept a flag to indicate when a signal was sent from other than the main thread. Use saved frame pointer for determining where to place signal handler call. (sig_handle): Accept "nonmain" argument. Pass it to call_handler. * fhandler_tty.cc (fhandler_tty_common::__acquire_output_mutex): Change debugging output slightly. * (fhandler_tty_common::__release_output_mutex): Ditto. (fhandler_tty_slave::read): Fix a comment, remove a goto. * sigproc.cc (sig_send): Accept an optional frame pointer argument for use when suspending the main process. sigcomplete_main is an autoreset event now. Save frame pointer for non-main operation. (wait_sig): Make sigcomplete_main an autoreset event. Eliminate NOSIGQUEUE. Pass rc to sig_handle to signify if this was a nonmain process. * sigproc.h: Reflect change to sig_send argument. * syscalls.cc (swab): Eliminate swab function since it is now available in newlib. * winsup.h (signal_dispatch): Change CONTEXT cx to DWORD ebp.
* Throughout use strace class in place of individual functions and variables.Christopher Faylor2000-03-071-6/+6
| | | | | | * cygwin.din: Eliminate _strace_wm. * sigproc.cc (wait_sig): Temporarily add more debugging output. * include/cygwin/version.h: Bump minor api to reflect export change.
* Respond to a multitude of g++ warnings.Christopher Faylor2000-02-211-14/+16
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* import winsup-2000-02-17 snapshotChristopher Faylor2000-02-171-0/+1070
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