393 lines
15 KiB
Plaintext
393 lines
15 KiB
Plaintext
2013-03-09 Christopher Faylor <me.cygwin2013@cgf.cx>
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* cygtls.h (_cygtls::signal_debugger): Change argument type.
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(_cygtls::copy_context): Delete declaration.
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* exceptions.cc (exception::handle): Don't call copy_context() here.
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Move signal_handler call earlier and always call it.
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(_cygtls::copy_context): Delete definition.
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(_cygtls::signal_debugger): Move copy_context logic here. Suspend
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thread receiving signal before gathering context information.
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2013-03-08 Christopher Faylor <me.cygwin2013@cgf.cx>
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* spawn.cc (child_info_spawn::worker): Save and restore my_wr_proc_pipe
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around non-execing operations to avoid handle leak seen in
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http://cygwin.com/ml/cygwin/2013-03/msg00152.html .
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2013-03-07 Corinna Vinschen <corinna@vinschen.de>
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* include/sys/un.h (UNIX_PATH_MAX): Rename from UNIX_PATH_LEN to
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follow Linux.
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* fhandler_socket.cc: Change UNIX_PATH_LEN to UNIX_PATH_MAX throughout.
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(fhandler_socket::recv_internal): Don't return prematurely in case of
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successful return. For AF_LOCAL sockets, overwrite returned AF_INET
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name with AF_LOCAL name.
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2013-03-07 Corinna Vinschen <corinna@vinschen.de>
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* fhandler_socket.cc (fhandler_socket::bind): Fix check for AF_LOCAL
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filename length to allow non-NUL terminated strings within namelen
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bytes. Copy over sun_path to local array sun_path to have a
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NUL-terminated string for subsequent function calls. Move path_conv
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check before OS bind call to not bind the socket before being sure
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the file doesn't exist. Add and fix comments.
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2013-03-06 Corinna Vinschen <corinna@vinschen.de>
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* mount.cc (fs_names): Add trailing NULL element to avoid potential
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SEGV in format_proc_filesystems.
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2013-03-01 Christopher Faylor <me.cygwin2013@cgf.cx>
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* exceptions.cc (exception::handle): Eliminate buggy recursed variable;
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just check if we're exiting.
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2013-02-26 Corinna Vinschen <corinna@vinschen.de>
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* include/pthread.h (pthread_atfork): Add missing declaration.
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2013-02-20 Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
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* include/error.h (error_message_count): Declare as dllimport.
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(error_one_per_line): Ditto.
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(error_print_progname): Ditto.
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2013-02-08 Corinna Vinschen <corinna@vinschen.de>
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* child_info.h (CURR_CHILD_INFO_MAGIC): Update.
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(class child_info_fork): Drop extraneous semicolon.
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2013-02-04 Corinna Vinschen <corinna@vinschen.de>
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* fhandler_socket.cc (fhandler_socket::bind): Fix error code for
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empty filename.
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2013-02-04 Corinna Vinschen <corinna@vinschen.de>
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* fhandler_socket.cc (fhandler_socket::bind): Fix length check of
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AF_LOCAL filename so it never accesses memory beyond namelen. Also
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make sure filename is NUL-terminated.
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2013-01-31 Christopher Faylor <me.cygwin2013@cgf.cx>
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* DevNotes: Add entry cgf-000022.
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* cygtls.h (_cygtls::func): Define as a sa_sigaction style function.
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* exceptions.cc (sig_handle_tty_stop): Ditto.
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(_cygtls::interrupt_setup): Fix coercion to accommodate 'func' change.
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(ctrl_c_handler): Use tty kill_pgrp to send a signal.
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(sigpacket::process): Don't process sigflush here.
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(_cygtls::call_signal_handler): Reorganize to avoid a race. Always
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call sa_sigaction style function.
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* fhandler_termios.cc (is_flush_sig): Define new function.
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(tty_min::kill_pgrp): Handle tty flush when signal detected.
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(fhandler_termios::bg_check): Be slightly more paranoid about checking
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for valid tty.
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(fhandler_termios::sigflush): Don't flush unless tty owner.
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* fhandler_tty.cc (fhandler_pty_slave::ioctl): Use tty kill_pgrp to
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send signal.
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(fhandler_pty_master::ioctl): Ditto.
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* signal.cc (killsys): Delete definition.
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* sigproc.h (killsys): Delete declaration.
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* include/cygwin/signal.h (siginfo_t): Simplify union/struct nesting
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slightly. Implement mechanism to allow cygwin data passing.
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2013-01-23 Christopher Faylor <me.cygwin2013@cgf.cx>
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* miscfuncs.cc (__import_address): Check if malloc field points
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directly at 'malloc'.
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2013-01-23 Christopher Faylor <me.cygwin2013@cgf.cx>
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* miscfuncs.cc (__import_address): On second thought, the chance that
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this pointer could be NULL is very low so don't bother checking for it.
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2013-01-23 Christopher Faylor <me.cygwin2013@cgf.cx>
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* exceptions.cc (exception::handle): Make attempt to recursively dump
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stack fatal.
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2013-01-22 Christopher Faylor <me.cygwin2013@cgf.cx>
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* miscfuncs.cc (__import_address): Avoid NULL explicitly.
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2013-01-22 Christopher Faylor <me.cygwin2013@cgf.cx>
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* miscfuncs.cc (__import_address): Avoid treating random instructions
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as import jump.
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* malloc_wrapper.cc (malloc_init): Remove comment about 64-bit.
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2013-01-21 Christopher Faylor <me.cygwin2013@cgf.cx>
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* dcrt0.cc (dll_crt0_1): Comment assumption.
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* exceptions.cc (sigpacket::setup_handler): Avoid sending signals
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during fork processing.
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2013-01-21 Christopher Faylor <me.cygwin2013@cgf.cx>
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* dcrt0.cc (dll_crt0_1): Flag that we are working "incyg". Handle any
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signals (presumably exiting signals) which may have come in while we
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are in the process of setting up.
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2013-01-21 Christopher Faylor <me.cygwin2013@cgf.cx>
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* update-copyright: Recognize configure.ac scripts too.
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2013-01-21 Christopher Faylor <me.cygwin2013@cgf.cx>
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* cygerrno.h (__reg3): Define.
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* cygmalloc.h (__reg3): Ditto.
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2013-01-21 Christopher Faylor <me.cygwin2013@cgf.cx>
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* cygerrno.h: Conditionally define __regN for cygserver.
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2013-01-20 Christopher Faylor <me.cygwin2013@cgf.cx>
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* malloc_wrapper.cc (malloc_init): Re-add inadvertently dropped comment
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which explains what's going on with the use_internal calculation.
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2013-01-20 Christopher Faylor <me.cygwin2013@cgf.cx>
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Throughout, update copyrights to reflect dates which correspond to
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main-branch checkins. Regularize copyright format.
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2013-01-20 Christopher Faylor <me.cygwin2013@cgf.cx>
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Throughout, change __attribute__ ((regparm (N))) to just __regN.
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Throughout, (mainly in fhandler*) start fixing gcc 4.7.2 mismatch
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between regparm definitions and declarations.
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* gendef: Define some functions to take @ declaration to accommodate
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_regN defines which use __stdcall.
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* gentls_offsets: Define __regN macros as empty.
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* autoload.cc (wsock_init): Remove unneeded regparm attribute.
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* winsup.h (__reg1): Define.
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(__reg2): Define.
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(__reg3): Define.
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* advapi32.cc (DuplicateTokenEx): Coerce some initializers to avoid
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warnings from gcc 4.7.2.
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* exceptions.cc (status_info): Declare struct to use NTSTATUS.
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(cygwin_exception::dump_exception): Coerce e->ExceptionCode to
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NTSTATUS.
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* fhandler_clipboard.cc (cygnativeformat): Redefine as UINT to avoid
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gcc 4.7.2 warnings.
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(fhandler_dev_clipboard::read): Ditto.
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2013-01-20 Christopher Faylor <me.cygwin2013@cgf.cx>
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* update-copyright (update_maybe): Accommodate perl-style copyright
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comments.
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2013-01-20 Christopher Faylor <me.cygwin2013@cgf.cx>
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* update-copyright: Silently skip nonexistent files. Display filename
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on update. Don't update non-Red Hat copyrights.
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2013-01-20 Christopher Faylor <me.cygwin2013@cgf.cx>
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* update-copyright: Update standard copyright information based on cvs
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log and current sandbox status.
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2013-01-20 Christopher Faylor <me.cygwin2013@cgf.cx>
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* malloc_wrapper.cc: Change 'use_internal_malloc' to 'use_internal'
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throughout.
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(export_malloc_called): Delete.
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(internal_malloc_determined): New variable.
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(malloc_init): Control calculation of internal/external malloc based on
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'internal_malloc_determined'. Use import_address() to determine if
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malloc in user_data is ours or not.
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* miscfuncs.cc (thread_wrapper): Make static.
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(__import_address): Define new function.
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* miscfuncs.h (import_address): New define.
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(__import_address): Declare new function.
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2013-01-20 Christopher Faylor <me.cygwin2013@cgf.cx>
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* sigproc.cc (sig_dispatch_pending): Add correct regparm attributes to
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match declaration.
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(pid_exists): Ditto.
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(proc_subproc): Ditto.
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(sig_clear): Ditto.
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(sig_send): Ditto.
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(checkstate): Ditto.
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2013-01-19 Corinna Vinschen <corinna@vinschen.de>
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* syscalls.cc (rename): Remove ill-conceived NFS workaround from
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2013-01-10 for self-inflicted NFS server problem.
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2013-01-19 Christopher Faylor <me.cygwin2013@cgf.cx>
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* exceptions.cc (ctrl_c_handler): Remove special-case handler for
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"cygwin_finished_initializing".
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* sigproc.cc (exit_thread): Undefine ExitThread earlier to avoid
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recursion on error return.
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2013-01-18 Corinna Vinschen <corinna@vinschen.de>
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* errno.cc (errmap): Map ERROR_LOCK_VIOLATION to EBUSY.
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2013-01-18 Corinna Vinschen <corinna@vinschen.de>
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* mmap.cc (handler_disk_file::msync): Add call to FlushFileBuffers
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to implement MS_SYNC.
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2013-01-17 Christopher Faylor <me.cygwin2013@cgf.cx>
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* mmap.cc (handler_disk_file::msync): Retry up to 99 times if
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FlushViewOFile fails with ERROR_LOCK_VIOLATION.
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2013-01-16 Christopher Faylor <me.cygwin2013@cgf.cx>
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* sigproc.cc (no_signals_available): Finally remove this macro
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entirely.
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(exit_thread): Ensure process lock is released on error exit.
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(sig_send): Simplify "its_me" test. Remove no_signals_available tests.
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2013-01-16 Christopher Faylor <me.cygwin2013@cgf.cx>
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* pthread.cc (pthread_exit): Add kludge to accommodate noreturn attribute.
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2013-01-14 Antti Kantee <pooka@iki.fi>
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* include/pthread.h (pthread_exit): Mark as "noreturn".
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2013-01-14 Christopher Faylor <me.cygwin2013@cgf.cx>
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* exceptions.cc (signal_exit): Move captive process termination...
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(_cygtls::interrupt_setup): ...into here.
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(sigpacket::process): Simplify setting of handler when have_execed.
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(_cygtls::interrupt_setup): Don't call proc_subproc when we've execed.
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* globals.cc (exit_states): Delete unneeded ES_EXEC_EXIT.
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* pinfo.cc (pinfo::exit): Change debugging output. Call proc_terminate
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rather than the now-obsolete sigproc_terminate. Don't set exit_state
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to ES_EXEC_EXIT. Set exit_state to ES_FINAL later.
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* sigproc.cc (sigproc_terminate): Delete function.
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(wait_sig): Don't call proc_subproc if have_execed.
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* sigproc.h (sigproc_terminate): Delete declaration.
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* sync.h (lock_process::lock_process): Don't set exit_state to
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ES_PROCESS_LOCKED.
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(lock_process::operator LONG): Define.
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2013-01-11 Christopher Faylor <me.cygwin2013@cgf.cx>
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* DevNotes: Add entry cgf-000021.
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* select.cc (select): Unconditionally return when a signal is detected.
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(select_stuff::wait): Ditto.
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2013-01-11 Corinna Vinschen <corinna@vinschen.de>
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* syscalls.cc (rename): Drop handling paths > 32757 chars, emit EINVAL
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instead, thus simplifying code allocating and filling pfri. Drop size
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and use constant expression in NtSetInformationFile call. Add comments.
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Drop redundant test for fs_serial_number and change comment accordingly.
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2013-01-11 Thomas Wolff <towo@towo.net>
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* fhandler.h (class dev_console): Flag for expanded control sequence.
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* fhandler_console.cc (char_command): Supporting cursor style modes.
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2013-01-10 Corinna Vinschen <corinna@vinschen.de>
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* path.h (path_conv::fs_type): New method.
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* syscalls.cc (rename): Check for cross-device situation before
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touching anything. Explain why. Workaround NFS bug in call to
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NtSetInformationFile(FileRenameInformation).
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2013-01-09 Corinna Vinschen <corinna@vinschen.de>
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* cygerrno.h: Fix copyright.
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* exceptions.cc: Drop comment explaining removed variable.
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2013-01-09 Corinna Vinschen <corinna@vinschen.de>
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* dcrt0.cc (main_thread_sinit): New inline function. Fix and explain
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a stdio initialization issue.
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(dll_crt0_1): Call main_thread_sinit rather than __sinit.
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2013-01-07 Christopher Faylor <me.cygwin2013@cgf.cx>
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* thread.cc (pthread_rwlock::lookup_reader): Remove parameter: always
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assume that we're looking for the current thread.
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(pthread_rwlock::tryrdlock): Eliminate self variable. Accommodate
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change in lookup_reader().
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(pthread_rwlock::unlock): Ditto.
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(pthread_rwlock::rdlock): Ditto. Move add_reader call after writer
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tests to more closely mimic old behavior.
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(pthread_rwlock::wrlock): Accommodate change in lookup_reader().
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* thread.h ((pthread_rwlock::lookup_reader): Eliminate argument.
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2013-01-07 Christopher Faylor <me.cygwin2013@cgf.cx>
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* thread.cc (pthread_rwlock::add_reader): Perform new operation here
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and return pointer to allocated RWLOCK_READER structure.
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(pthread_rwlock::rdlock): Reorganize to reflect new add_reader
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functionality.
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(pthread_rwlock::tryrdlock): Ditto. Remove unneeded call to
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lookup_reader().
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* thread.h (pthread_rwlock::RWLOCK_READER::RWLOCK_READER): New
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constructor.
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(pthread_rwlock::add_reader): Reflect new functionality.
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2013-01-03 Christopher Faylor <me.cygwin2013@cgf.cx>
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* globals.cc (exit_states): Renumber so that ES_EXIT_STARTING is first,
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as intended.
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* sigproc.cc (wait_sig): Only stop accepting signals after
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exit_state > ES_EXIT_STARTING.
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2013-01-03 Christopher Faylor <me.cygwin2013@cgf.cx>
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* sigproc.cc (exit_thread): Set thread signal mask so that no signals
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are sent to an exiting thread.
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2013-01-02 Christopher Faylor <me.cygwin2013@cgf.cx>
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* sigproc.cc (no_signals_available): Remove exit_state test since
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signals are available in a limited fashion when exiting.
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(sig_dispatch_pending): Ditto.
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(sig_send): Ditto.
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(exit_thread): Rearrange to avoid an unnecessary DuplicateProcess when
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exiting.
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(wait_sig): Allow special signals when exiting.
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2013-01-02 Christopher Faylor <me.cygwin2013@cgf.cx>
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* DevNotes: Add entry cgf-000020, relating to previous checkin.
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2013-01-02 Christopher Faylor <me.cygwin2013@cgf.cx>
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* cygtls.h (_cygtls::signal_exit): Delete from class.
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* exception.h (cygwin_exception): New class.
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(cygwin_exception::dumpstack): Declare new function.
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(cygwin_exception::context): Ditto.
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(cygwin_exception::dump_exception): Ditto.
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* exceptions.cc (cygwin_exception::dump_exception): Move into
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cygwin_exception class. Accommodate new variable names.
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(cygwin_exception::dumpstack): Ditto stackdump -> dumpstack.
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(exception::handle): Move andreas processing earlier. Defer signal
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processing decisions to the signal thread where they belong. Pass
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exception information to sig_send via new siginfo_t si_cyg field.
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(ctrl_c_handler): Wait for SIGHUP signal to be processed since it could
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cause a process exit and we don't want races with thread exit lock.
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(signal_exit): Move back here from sigproc.cc. Modify arguments and
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remove from sigpacket class. Decide when to dump core based on signal
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type.
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(sigpacket::process): Handle exiting signals in context of threads
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rather than in the signal thread. Signal debugger on non-Windows
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signals. Remove setup_signal_exit call.
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* sigproc.cc (no_signals_available): Remove argument.
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(signal_exit_code): Delete.
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(close_my_readsig): Ditto.
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(_cygtls::signal_exit): Move to exceptions.cc.
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(sigproc_terminate): Don't attempt to terminate signal thread.
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(setup_signal_exit): Delete.
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(exit_thread): Use new si_cyg entry in siginfo_t.
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(sig_send): Just use empty initializer for si. Accommodate change in
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no_signals_available argument.
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(wait_sig): Remove attempt to "go asynchronous" on process exit.
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Delete __SIGEXIT handling. Don't ever exit.
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* sigproc.h: Remove __SIGEXIT from signal enum. Renumber.
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* include/cygwin/signal.h (siginfo_t): Add si_cyg entry.
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