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* * Merge in cygwin-64bit-branch.Corinna Vinschen2013-04-231-1/+1
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* Throughout, change __attribute__ ((regparm (N))) to just __regN. Throughout,Christopher Faylor2013-01-211-7/+7
| | | | | | | | | | | | | | | | | | | (mainly in fhandler*) start fixing gcc 4.7.2 mismatch between regparm definitions and declarations. * gendef: Define some functions to take @ declaration to accommodate _regN defines which use __stdcall. * gentls_offsets: Define __regN macros as empty. * autoload.cc (wsock_init): Remove unneeded regparm attribute. * winsup.h (__reg1): Define. (__reg2): Define. (__reg3): Define. * advapi32.cc (DuplicateTokenEx): Coerce some initializers to avoid warnings from gcc 4.7.2. * exceptions.cc (status_info): Declare struct to use NTSTATUS. (cygwin_exception::dump_exception): Coerce e->ExceptionCode to NTSTATUS. * fhandler_clipboard.cc (cygnativeformat): Redefine as UINT to avoid gcc 4.7.2 warnings. (fhandler_dev_clipboard::read): Ditto.
* Fix copyrightsCorinna Vinschen2013-01-141-2/+2
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* * exceptions.cc (signal_exit): Move captive process termintation...Christopher Faylor2013-01-141-2/+1
| | | | | | | | | | | | | | | | (_cygtls::interrupt_setup): ...into here. (sigpacket::process): Simplify setting of handler when have_execed. (_cygtls::interrupt_setup): Don't call proc_subproc when we've execed. * globals.cc (exit_states): Delete unneeded ES_EXEC_EXIT. * pinfo.cc (pinfo::exit): Change debugging output. Call proc_terminate rather than the now-obsolete sigproc_terminate. Don't set exit_state to ES_EXEC_EXIT. Set exit_state to ES_FINAL later. * sigproc.cc (sigproc_terminate): Delete function. (wait_sig): Don't call proc_subproc if have_execed. * sigproc.h (sigproc_terminate): Delete declaration. * sync.h (lock_process::lock_process): Don't set exit_state to ES_PROCESS_LOCKED. (lock_process::operator LONG): Define.
* * DevNotes: Add entry cgf-000019.Christopher Faylor2012-12-281-1/+6
| | | | | | | | | | | | | | | | | | | | | * dcrt0.cc (do_exit): Just set exit_state to ES_EVENTS_TERMINATE and nuke call to events_terminate which just set a superfluous flag. * sigproc.cc (signal_exit_code): New variable. (setup_signal_exit): Define new function. (_cygtls::signal_exit): Remove accommodations for closing the signal pipe handle. (exit_thread): Just sleep if we're exiting. (wait_sig): If signal_exit_code is set, just handle bookkeeping signals and exit ReadFile loop if there is nothing more to process. Call signal_exit at end if signal_exit_code is non-zero. * sigproc.h (setup_signal_exit): Declare new function. * exceptions.cc (sigpacket::process): Use setup_signal_exit to control exiting due to a signal. (exception::handle): Ditto. Query exit_state rather than defunct exit_already to determine if we are exiting. * globals.cc (ES_SIGNAL_EXIT): New enum. * sync.h (lock_process::release): New function for explicitly unlocking muto. (lock_process::~lock_process): Use release method.
* Back out prematurely checked-in change.Christopher Faylor2012-12-221-2/+2
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* * sigproc.cc (exit_thread): undef ExitThread or suffer recursion. Attempt toChristopher Faylor2012-12-221-2/+2
| | | | lock process prior to calling sig_send.
* Revert the reversion and go with implementation described in cgf-000017, withChristopher Faylor2012-12-211-1/+2
| | | | | | | | | | | | | | | | | | | | | | some modifications. * init.cc (dll_entry): Revert previous change. * miscfuncs.cc: Include sigproc.h for exit_thread declaration. * winsup.h (ExitThread): Define as 'exit_thread' to ensure no accidental use. * sigproc.cc (exit_thread): New function. (wait_sig): Handle __SIGTHREADEXIT case. Don't just block rather than returning from this function. * sigproc.h (__SIGTHREADEXIT): New enum. (exit_thread): Declare. * sync.cc (muto::release): Accept a tls command-line argument. * sync.h (muto::release): Accept a tls command-line parameter. Default to &_my_tls. * cygerrno.h (__set_errno): Define as extern so that no function code is ever emitted. * cygserver_ipc.h (cygserver_ipc.h): Ditto. * miscfuncs.h (transform_chars): Ditto. * path.h (has_attribute): Ditto. * security.h (privilege_luid): Ditto. * winsup.h (flush_file_buffers): Ditto.
* * DevNotes: Add entry cgf-000018.Christopher Faylor2012-12-211-2/+1
| | | | | | | | | | | | | | * init.cc (dll_entry): Grab process lock before exiting to ensure that thread doesn't exit before parent if parent is exiting. * _cygtls.cc (_cygtls::call2): Revert previous 2012-12-21 change. * miscfuncs.cc (thread_wrapper): Ditto. * thread.cc (pthread::exit): Ditto. * sigproc.cc (exit_thread): Ditto. (wait_sig): Ditto. * sync.cc (muto::release): Ditto. * sync.h (muto::release): Ditto. * sigproc.h (__SIGTHREADEXIT): Delete enum. (exit_thread): Delete declaration.
* * DevNotes: Add entry cgf-000017.Christopher Faylor2012-12-211-1/+2
| | | | | | | | | | | | | | | | | | * _cygtls.cc (_cygtls::call2): Use new exit_thread function in place of ExitThread. * miscfuncs.cc (thread_wrapper): Ditto. * thread.cc (pthread::exit): Ditto. (pthread_mutex::unlock): Set tid to NULL rather than 0. (pthread_spinlock::unlock): Ditto. * pinfo.cc (commune_process): Actually call lock_process constructor. * sigproc.cc (exit_thread): New function. (wait_sig): Handle __SIGTHREADEXIT case. Don't just block rather than returning from this function. * sigproc.h (__SIGTHREADEXIT): New enum. (exit_thread): Declare. * sync.cc (muto::release): Accept a tls command-line argument. * sync.h (muto::release): Accept a tls command-line parameter. Default to &_my_tls.
* * fork.cc (lock_signals): Move to sigproc.h.Christopher Faylor2012-03-161-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (lock_pthread): Ditto. (hold_everything): Ditto. (frok::parent): Call myself.prefork() just before calling CreateProcess. Call myself.postfork () on function exit. * pinfo.cc (pinfo::pending_rd_proc_pipe): Define. (pinfo::pending_wr_proc_pipe): Ditto. (_pinfo::dup_proc_pipe): Delete. (pinfo::wait): Move pipe creation into pinfo::prefork. Set pipe variables from pending_*. (_pinfo::sync_proc_pipe): Delete. (_pinfo::proc_pipe_owner): Ditto. (pinfo::prefork): Define new function. (pinfo::postfork): Ditto. (pinfo::postexec): Ditto. (_pinfo::alert_parent): Remove obsolete call to sync_proc_pipe. (_pinfo::dup_proc_pipe): Delete declaration. (_pinfo::sync_proc_pipe): Ditto. (pinfo::pending_rd_proc_pipe): Declare. (pinfo::pending_wr_proc_pipe): Ditto. (pinfo::prefork): Declare new function. (pinfo::postfork): Ditto. (pinfo::postexec): Ditto. (pinfo::wr_proc_pipe): Define new wrapper function. * sigproc.h: Include "sync.h". Move locking functions from fork to here. * spawn.cc (child_info_spawn::worker): Delete now-unneeded requirement to record orig_wr_proc_pipe. Call hold_everything prior to doing anything. Call myself.prefork() if spawning. Replace wr_proc_pipe synchronization with call to myself.postexec(). Call myself.postfork() if not execing. * sync.h: Replace #ifdef wrapper with "#pragma once".
* * exceptions.cc (sigpacket::process): Move signal_exit processing into...Christopher Faylor2011-11-261-6/+1
| | | | | | | | | | | | | (_cygtls::signal_exit): ...here. Close my_readsig and comment on why. * pinfo.cc (pinfo::exit): Move sigproc_terminate earlier. Set exiting flag in lock_process. * sigproc.cc (my_readsig): Make global. * sync.cc (muto::exiting_thread): Delete. (muto::acquire): Delete #if 0'ed code. * sync.h (muto::exiting_thread): Delete. (set_exiting_thread): Ditto. (lock_process::lock_process): Don't worry about setting the exiting thread since it had no meaning.
* * spinlock.h: New file.Christopher Faylor2010-03-131-3/+1
| | | | | | | | | | (spinlock): New class. * shared.cc: Include spinlock.h. (memory_init): Use new spinlock methods rather than roll-your-own. Time out after ten seconds if shared_mem_inited is not initialized. * sync.h: Update copyright. Remove vanity attribution. * sigproc.cc (sigproc_terminate): Avoid attempts to kill the signal thread while we're still initializing or suffer a deadlock.
* * exceptions.cc (_cygtls::signal_exit): Only call myself.exit when whenChristopher Faylor2007-02-201-2/+2
| | | | | | | exit_state indicates that we've visited do_exit. * sync.h (lock_process::lock_process): Use renamed exit_state - ES_PROCESS_LOCKED. * winsup.h: Rename ES_MUTO_SET to ES_PROCESS_LOCKED.
* * fork.cc (fork): Lock the process before forking to prevent things like newChristopher Faylor2006-07-141-0/+1
| | | | | fds from being opened, etc. * sync.h (lock_process::dont_bother): New function.
* * fhandler_fifo.cc (fhandler_fifo::open): Release process lock and grab aChristopher Faylor2006-06-231-1/+2
| | | | | | system-wide mutex to prevent a deadlock and a race. * sync.h (lock_process): Make fhandler_fifo a friend. * smallprint.c (__small_vsprintf): Cosmetic change.
* * cygheap.h (cygheap_fdenum::cygheap_fdenum): Record locked state or sufferChristopher Faylor2005-10-231-0/+24
| | | | | | | | | | | | | | | | | | | deadlocks. (class locked_process): Move to another header. * sync.h (lock_process): Define here. * cygtls.cc (_cygtls::fixup_after_fork): Reset spinning state as well as stacklock state. * dcrt0.cc (lock_process::locker): Define. (dtable::lock_cs): Delete. * dtable.cc (dtable_init): Eliminate call to init_lock(). (dtable::fixup_after_fork): Ditto. (dtable::init_lock): Delete definition. * dtable.h (dtable::init_lock): Delete declaration. (dtable::lock): Use process lock rather than dtable-specific lock. (dtable::unlock): Ditto. * sigproc.cc (sigproc_init): Minor change to debugging output. * times.cc (utime_worker): Use build_fh_pc rather than reinterpreting the posix path name again. Return any error from path_conv immediately.
* * sync.h (muto::initforce): Delete flawed implementation.Christopher Faylor2005-04-051-1/+0
| | | | | * pwdgrp.h (pwdgrp::pglock): Make static. * grp.cc (pwdgrp::pwdgrp): Eliminate use of initforce.
* * sync.h (muto::initforce): Force initialization even when name != NULL.Christopher Faylor2005-04-051-0/+1
| | | | | * grp.cc (pwdgrp::pwdgrp): Use initforce since the enclosing structure is !NO_COPY.
* * sync.h (muto::operator int): New operator.Christopher Faylor2005-04-051-30/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (locker): Remove unused class. (new_muto): Delete. (new_muto1): Ditto. (new_muto_name): Ditto. * cygheap.cc (cygheap_setup_for_child): Reflect use of static storage for muto rather than pointer. (_csbrk): Ditto. (_cmalloc): Ditto. (_cmalloc): Ditto. (_cfree): Ditto. * cygheap.h (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_drive): Ditto. * cygmalloc.h (__malloc_lock): Ditto. (__malloc_unlock): Ditto. * cygtls.cc (sentry::lock): Ditto. (sentry::sentry): Ditto. (~sentry): Ditto. (_cygtls::init): Ditto. * dcrt0.cc: Ditto. (cygwin_atexit): Ditto. (cygwin_exit): Ditto. * debug.cc (lock_debug::locker): Ditto. (lock_debug::lock_debug): Ditto. (lock_debug::unlock): Ditto. (debug_init): Ditto. * dtable.cc (dtable::init_lock): Ditto. * dtable.h (dtable::lock_cs): Ditto. (dtable::lock): Ditto. (dtable::unlock): Ditto. * exceptions.cc (mask_sync): Ditto. (sighold): Ditto. (set_process_mask_delta): Ditto. (set_signal_mask): Ditto. (events_init): Ditto. * grp.cc (pwdgrp::pwdgrp): Ditto. * malloc_wrapper.cc (mallock): Ditto. (malloc_init): Ditto. * path.cc (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::init): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * pwdgrp.h (pwdgrp::pglock): Ditto. (pwdgrp::refresh): Ditto. * sigproc.cc (sync_proc_subproc): Ditto. (get_proc_lock): Ditto. (proc_subproc): Ditto. (_cygtls::remove_wq): Ditto. (proc_terminate): Ditto. (sigproc_init): Ditto. * timer.cc (lock_timer_tracker::protect): Ditto. (lock_timer_tracker::lock_timer_tracker): Ditto. (lock_timer_tracker::~lock_timer_tracker): Ditto. * wininfo.cc (wininfo::_lock;): Ditto. (wininfo::winthread): Ditto. (operator HWND): Ditto. (wininfo::lock): Ditto. (wininfo::release): Ditto. * wininfo.h (wininfo::_lock;): Ditto.
* * child_info.h (fork_info): Use different method to alias variable.Christopher Faylor2005-03-191-1/+0
| | | | | | | | | | | | | (spawn_info): Ditto. * cxx.cc (__cxa_guard_acquire): New function (needed for gcc 4.x). (__cxa_guard_release): Ditto. * devices.in: Make sure stuff is correctly bracketed (for gcc 4.x). * devices.cc: Regenerate. * fhandler.h (fhandler_disk_file::fchmod): Avoid left coercion (for gcc 4.x). * smallprint.c (__rn): Declare as __fastcall since gcc 4.x complains about use of regparm, for some reason. * sync.h (sync::init_lock): Remove. * sync.cc (sync::init_lock): Ditto.
* * dcrt0.cc (dll_crt0_0): Eliminate muto::init call.Christopher Faylor2005-03-081-2/+7
| | | | | | | | | | * sync.h (locker): New, currently unused class. (muto::init): Eliminate. * sync.cc (muto::init): Ditto. (muto::init): Eliminate critical section lock and instead use name as a guard to prevent against multiple attempts to initialize the same muto. * pinfo.cc (pinfo::init): Set myself procinfo when not execing and pid matches windows pid or cygwin pid.
* * sync.h (sync::init_lock): Declare new static member.Christopher Faylor2005-03-061-0/+2
| | | | | | | | (sync::init()): Declare new static function. * sync.cc (sync::init): Define. (sync::init): Lock attempt to initialize a muto to stop multiple threads from colliding. * dcrt0.cc (dll_crt0_0): Initialize muto environment.
* * cygthread.cc (cygthread::is): Eliminate.Christopher Faylor2004-05-161-7/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * cygthread.h (cygthread::is): Eliminate declaratin. * fhandler_console.cc (fhandler_console::read): Only wait for signal_arrived in the main thread. * fhandler_socket.cc: Include new "wininfo.h". (fhandler_socket::ioctl): Use 'winmsg' rather than 'gethwnd()'. * sync.cc (muto::grab): Define new function. (muto::acquire): Use tls pointer rather than tid. (muto::acquired): Ditto. (muto::reset): Delete. (muto::release): Ditto. Also implement "close on last release". * sync.h (muto::tid): Delete. (muto::tls): New field. (muto::ismine): Delete. (muto::owner): Delete. (muto::unstable): Delete. (muto::reset): Delete. (muto::upforgrabs): New method. (muto::grab): Ditto. (new_muto_name): New define. * wininfo.h: New file. (wininfo): New class. * window.cc: Rework throughout to use winfo class for controlling invisible window operation. (gethwnd): Delete definition. * winsup.h (gethwnd): Delete declaration.
* revert previous not-ready-for-primetime checkin.Christopher Faylor2004-05-151-7/+1
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* * cygheap.h: Remove some parameter names from declarations throughout.Christopher Faylor2004-05-151-1/+7
| | | | | (cygheap::set): Reflect changes in declaration for arguments and return value from previous checkin.
* * exceptions.cc (try_to_debug): Report on tid of caller.Christopher Faylor2004-03-151-2/+2
| | | | | * sync.cc (muto::acquire): Fix some races. * sync.h (muto): Expose some fields for easier debugging.
* * debug.h (console_printf): Define for non-debugging condition.Christopher Faylor2004-02-091-1/+1
| | | | | | | | | | | | | | * cygtls.h (_threadinfo::lock): Remove wait argument. (_threadinfo::interrupt_setup): Remove retaddr argument. * exceptions.cc (_threadinfo::interrupt_setup): Ditto. (_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument. (setup_handler): Ditto. Always lock sig stack prior to determining interrupt method. * gendef (_sigfe): Correct thinko regarding cmpxchg. (_sigbe): Ditto. (_threadinfo::lock): Ditto. (_threadinfo::pop): Eliminate left-over stack unlock. * sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
* * cygtls.h (_threadinfo::call): Remove regparm declaration to work aroundChristopher Faylor2004-01-141-2/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | compiler bug. * autoload.cc (TryEnterCriticalSection): Remove. * dcrt0.cc (dll_crt0_0): Delete inappropriate setting of _my_tls.stackptr to NULL since it has really bad consequences. Make 'si' an automatic variable. * cygtls.cc (_threadinfo::init_thread): Correct thinko which caused thread list to be allocated every time. * cygtls.h (CYGTLS_PADSIZE): Define as const int. * sync.h: Make multiple inclusion safe. (muto::next): Eliminate. (muto::exiting_thread): New variable. (muto::set_exiting_thread): New function. (new_muto): Change to use different section for mutos since c++ give inexplicable warning in some cases otherwise. (new_muto1): Ditto. * dcrt0.cc (do_exit): Call muto::set_exiting_thread here. * sync.cc (muto_start): Eliminate. (muto::acquire): Always give exiting thread a lock. Never give thread a lock if exiting. (muto::release): Ditto for releasing. * dtable.cc (dtable::init_lock): Unline function and define here. * dtable.h (lock_cs): Define as a muto since critical sections seem to work oddly on Windows Me. (lock): Accommodate switch to muto. (unlock): Ditto. * exceptions.cc (setup_handler): Don't worry about acquiring mutos since that hasn't mattered for a long time. (signal_exit): Ditto: muto stuff will be handled automatically on exit now. * Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL initialization. * autoload.cc (RegCloseKey): Arbitrarily choose this function as a "seed" to pull the advapi32 link library in. So, comment out the autoloading. * cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE. (_threadinfo::remove): Add debugging. (_threadinfo::find_tls): Ditto. * cygtls.h (_threadinfo::padding): Make zero length (for now?). * dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1. (dll_crt0_1): See above. * dtable.h (dtable::lock): Remove commented out critical section locking. * dtable.h (dtable::init_lock): Remove commented out critical section locking. * dtable.h (dtable::unlock): Remove commented out critical section locking. * exceptions.cc (interruptible): bool'ize. * init.cc (threadfunc_fe): Revert to storing threadfunc at stack bottom. (munge_threadfunc): Ditto. Avoid adding overhead to calibration_thread. (prime_threads): Don't initialize tls stuff. (dll_entry): Make minor change to initialization order. * tlsoffsets.h: Regenerate. * sigproc.cc (wait_sig): Add sanity check for end of process thread exit. * select.h: Make minor formatting change. * Makefile.in: Add still more -fomit-frame-pointer functions. * dtable.h (dtable::lock): New function. (dtable::unlock): New function. (dtable::init_lock): New function. * cygheap.h (HEAP_TLS): Declare new enum value. (init_cygheap::threadlist): Declare new array. (init_cygheap::sthreads): Declare new variable. (cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock functions. (cygheap_fdnew::cygheap_fdnew): Ditto. (cygheap_fdget::cygheap_fdget): Ditto. * dtable.cc (dtable_init): Initialize fdtab critical section. (dtable::fixup_after_fork): Ditto. (dtable::fixup_after_exec): Ditto. (dtable::dup2): Use lock/unlock calls to protect access to fdtab. (dtable::find_fifo): Ditto. (dtable::fixup_before_fork): Ditto. (dtable::fixup_before_exec): Ditto. (dtable::set_file_pointers_for_exec): Ditto. (dtable::vfork_child_dup): Ditto. (dtable::vfork_parent_restore): Ditto. * syscalls.cc (close_all_files): Ditto. * sync.h (muto::acquired): Declare new function. (new_muto1): Declare new macro used to specify name of muto storage. * sync.cc (muto::acquired): Define new function. * cygthread.cc (cygthread::stub): Remove signal chain removal call since it is handled during initialization now. * cygthread.cc (cygthread::simplestub): Remove signal chain removal call since it is handled during initialization now. * cygtls.cc (sentry): New class used for locking. Use throughout. (_threadinfo::reset_exception): Don't pop stack. (_threadinfo::find_tls): Move from exceptions.cc. (_threadinfo::init_thread): Initialize array of threads rather than linked list. Take second argument indicating thread function for this thread. (_threadinfo::remove): Search thread array rather than linked list. Use sentry to lock. Only unlock if we got the lock. (_threadinfo::find_tls): Ditto for first two. (handle_threadlist_exception): Handle exceptions when manipulating the thread list in case of premature thread termination. (_threadinfo::init_threadlist_exceptions): Ditto. * cygtls.h (TLS_STACK_SIZE): Decrease size. (_threadinfo::padding): Add element to avoid overwriting lower part of stack. (_threadinfo::remove): Add a "wait" argument to control how long we wait for a lock before removing. * exceptions.cc (init_exception_handler): Make global. Take argument to control exception handler being set. (ctrl_c_handler): Wait forever when removing self from signal chain. (_threadinfo::find_tls): Move to cygtls.cc. (sig_handle): Reorganize detection for thread-specific signals. * heap.cc (heap_init): Rework slightly. Make fatal error more verbose. Remove malloc initialization since it can't happen during dll attach. * init.cc (search_for): Move address to search for on stack here. (threadfunc_ix): Ditto for stack offset. Make shared so that stack walk potentially only has to be done once when cygwin processes are running. (threadfunc_fe): Use standard tls to store thread function (may change back later). (calibration_thread): New function. Potentially called to find threadfunc_ix. (munge_threadfunc): Search for "search_for" value on stack. Output warning when thread func not found on stack. Use standard tls to store thread function. (prime_threads): New function. Called to prime thread front end. (dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH. Call prime_threads here. Try to remove thread from signal list here. * sigproc.cc (wait_sig): Initialize threadlist exception stuff here. * thread.cc (pthread::exit): Pass argument to signal list remove function. * thread.h: Remove obsolete *ResourceLock defines. * tlsoffsets.h: Regenerate. * winsup.h (spf): Define temporary debug macro to be deleted later. * dcrt0.cc (dll_crt0_0): New function, called during DLL initialization. Mainly consists of code pulled from dll_crt0_1. (dll_crt0_1): See above. (_dll_crt0): Wait for initial calibration thread to complete, if appropriate. Move some stuff to dll_crt0_0. (initialize_main_tls): Accommodate argument change to _thread_info::init_thread. * fork.cc (fork_child): Ditto. (sync_with_child): Fix debug message. * external.cc (cygwin_internal): Remove special considerations for uninitialized dll since initialization happens during dll attach now. * dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls. (dlclose): Ditto. * cygheap.h (init_cygheap::close_ctty): Declare new function. * cygheap.cc (init_cygheap::close_ctty): Define new function. * syscalls.cc (close_all_files): Use close_ctty. (setsid): Ditto. * cygthread.cc (cygthread::stub): Remove exception initialization. * cygthread.cc (cygthread::stub): Remove exception initialization. (cygthread::simplestub): Ditto. * thread.cc (pthread::thread_init_wrapper): Ditto. * cygtls.cc (_last_thread): Make static. (_threadinfo::call2): Initialize exception handler here. (_threadinfo::find_tls): Move here. * exceptions.cc (_threadinfo::find_tls): Move. * dcrt0.cc (__api_fatal): Add prefix info to message here rather than including it in every call to function. * winsup.h (api_fatal): Accommodate above change. * debug.cc (add_handle): Don't do anything if cygheap not around. (mark_closed): Ditto. * dll_init.cc (dll_list::detach): Fix debug output. * fork.cc (sync_with_child): Ditto. (vfork): Improve debug output. * heap.cc (heap_init): Ditto. * exceptions.cc (try_to_debug): Clarify message when debugger attaches.
* * Makefile.in: Add support for new malloc.o and renamed malloc_wrapper.o. UseChristopher Faylor2002-08-161-3/+3
| | | | | | | | | | | | | | | | | -fomit-frame-pointer for malloc.o compilation. * malloc_wrapper.cc: New file. Rename from malloc.cc. Add support for more malloc functions. Eliminate export_* calls. Just use straight malloc names. Remove unused argument from malloc lock functions. * cygwin.din: Just export straight malloc names. Add malloc_stats, malloc_trim, malloc_usable_size, mallopt, memalign, valloc. * dcrt0.cc (__cygwin_user): Eliminate export_* malloc entries. * fork.cc (fork_parent): Remove unused argument from malloc_lock argument. * malloc.cc: New file. Doug Lea's malloc v2.7.1. * cygmalloc.h: New file. * include/cygwin/version.h: Bump API_MINOR. * sync.h (muto::acquire): Use appropriate number for regparm attribute. (muto::reset): Ditto. (muto::release): Ditto.
* * winver.rc: Add more words to copyright.Christopher Faylor2002-06-131-1/+1
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* * sync.h (new_muto): Just accept an argument which denotes the name of theChristopher Faylor2002-02-221-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
* * times.cc (hires::prime): Restore thread priority on failure condition.Christopher Faylor2002-02-171-4/+4
| | | | | | | | | | | | | | | | | | | * uinfo.cc (uinfo_init): Use more robust method for determining if process was invoked from a non-cygwin process. * sync.h (muto::init): Eliminate "inheritance" parameter. (new_muto): Reflect removal of parameter. * sync.cc (muto::init): Ditto. * cygheap.cc (cygheap_init): Ditto. * debug.cc (threadname_init): Ditto. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * sigproc.cc (sigproc_init): Ditto. * grp.cc (group_lock): Use different method for locking with static member. (read_etc_group): REALLY ensure that read lock mutex is released. * passwd.cc (passwd_lock): Use different method for locking with static member. (read_etc_passwd): REALLY ensure that read lock mutex is released. * shared.cc (sec_user): Correct reversed inheritance test.
* * hires.h (hires::usecs): Rename from utime. Accept an argument.Christopher Faylor2002-02-151-1/+1
| | | | | | | | | | * strace.cc (strace::microseconds): Use hires class for calculating times. * sync.h (new_muto): Use NO_COPY explicitly in declaration. * times.cc (gettimeofday): Reflect change in usecs argument. (hires::usecs): Ditto. Changed name from utime. * winsup.h (NO_COPY): Add nocommon attribute to force setting aside space for variable. * regcomp.c (REQUIRE): Add a void cast to bypass a warning.
* * exceptions.cc (unused_sig_wrapper): Eliminate unused parameter to asm.Christopher Faylor2002-02-141-14/+7
| | | | | | | | | | | | | * external.cc (cygwin_internal): Change CW_STRACE_ON to CW_STRACE_TOGGLE. * strace.cc (strace::hello): Toggle strace on and off. * sync.cc (muto::init): Renamed from constructor. * sync.h (muto::new): Delete. (muto::delete): Ditto. (new_muto): Simplify. Use muto.init for nearly everything. * uinfo.cc (uinfo_init): Avoid closing a NULL handle. * include/sys/cygwin.h (cygwin_getinfo_types): Rename CW_STRACE_OFF to CW_STRACE_TOGGLE. Delete CW_STRACE_OFF. * include/sys/strace.h (strace): Add "inited" field.
* * Makefile.in (new-cygwin1.dll): Just use -lsupc++ for link.Christopher Faylor2002-01-191-3/+3
| | | | | | * sigproc.cc (proc_exists): Change existence criteria. * sync.h (new_muto): Add volatile to definition to avoid gcc optimization problems.
* * dll_init.h (class dll_list): Reorder functions to avoid compiler "can'tChristopher Faylor2001-11-031-3/+5
| | | | | | | | | | | | | | | | inline" warnings. * security.h (class cygsid): Ditto. * sigproc.cc (get_proc_lock): Ditto. * sigproc.h (class sigframe): Ditto. * sync.h (class muto): Ditto. * fhandler.h (fhandler_base::get_guard): Actually MAKE virtual as previously indicated. * pipe.cc (make_pipe): Remove extraneous set_errno. * syscalls.cc (_open): Ditto. * select.cc (peek_pipe): Need to check that there is still something to read from the pipe after acquiring the mutex since another process/thread could have eaten the input before we got to acquiring the lock. (Thanks to Nick Duffek for this inspiration.)
* * sigproc.cc (sigproc_terminate): Don't signal main thread when exiting.Christopher Faylor2001-10-311-1/+1
| | | | | * sigproc.h (sigframe): Decorate some methods with `inline'. (new_muto): Coerce pointer to new to void *.
* Update copyrights.Christopher Faylor2001-09-111-1/+1
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* * path.h: Add __attribute__ ((regparm(x))) to commonly used functions.Christopher Faylor2000-11-121-1/+1
| | | | | | * pinfo.h: Ditto. * sigproc.h: Ditto. * sync.h: Ditto.
* * exceptions.cc (set_console_handler): Don't allocateChristopher Faylor2000-10-151-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | console_handler_thread_waiter. It is obsolete. (ctrl_c_handler): Don't use console_handler_thread_waiter. * path.cc (hash_path_name): Fix handling of relative names. Make case insensitive. * path.h (suffix_info): Use initializers. * pinfo.h (_pinfo): Avoid initializers for null case. * resource.cc (fill_rusage): Zero rest of rusage structure. * security.cc (set_process_privileges): Don't reopen parent process. Just use hMainProc. * signal.cc (signal): Track when a signal handler has been used. (sigaction): Ditto. * sigproc.cc (pchildren): Use default initializer. (zombies): Ditto. (sigproc_terminate): Avoid closing handles that will be closed on exit anyway. (wait_sig): Send signal to "parent" on EXECing, not FORKing. (wait_subproc): Send SIGCHLD here rather than in proc_wait to avoid potential muto conflicts. * sigproc.h (sigthread): Don't initialize to zero. It's the default. * spawn.cc (spawn_guts): Fill in resources from exec parent prior to termination. * sync.h (muto): Don't initialize to zero. * syscalls.cc (close_all_files): Use one lock around entire loop and call fhandler close/release stuff directly. (_read): Don't use ready_for_read if there are not signal handlers active. * dcrt0.cc (dll_crt0_1): Fix display of "title". (do_exit): Use pinfo exit method to exit. (__api_fatal): Ditto. * exceptions.cc (signal_exit): Ditto. * fork.cc (fork_child): Remove debugging stuff. Use pinfo_fixup_after fork in place of exec_fixup_after_fork. * pinfo.cc (pinfo_fixup_after_fork): New method. (pinfo_fixup_in_spawned_child): Ditto. (_pinfo::exit): New method. (_pinfo::init): Remove recursion. Detect pathological case where pinfo structure already exists for new pid. * pinfo.h (_pinfo): Reorganize slightly. Add new method and new function declarations. * sigproc.cc (proc_exists): Previous simplification was a little to simple. Try harder to detect if a process exists. (proc_terminate): Use PID_EXITED setting to determine if process is still around. (WFSO): Remove debugging statement. (WFMO): Ditto. * spawn.cc (exec_fixup_after_fork): Eliminate. (spawn_guts): Always set old_title to NULL. Is it really needed? Move hexec_proc to pinfo.cc. Call pinfo_fixup_in_spawned_child to eliminate handle link after a spawn. * include/sys/cygwin.h: Remove PID_NOT_IN_USE. Add PID_EXITED.
* * exceptions.cc (signal_exit): Reset all mutos owned by the main thread.Christopher Faylor2000-09-071-0/+1
| | | | | | | | | | | | | | | | | | | * 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.
* * path.cc (mount_info::cygdrive_posix_path): Don't add trailing slash ifChristopher Faylor2000-05-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | referring to something like c:\. * dcrt0.cc (dll_crt0_1): Move uinfo initialization prior to sig_send initialization to give signal thread a chance to finish. * debug.cc (WFSO): Move to sigproc.cc (WFMO): Ditto. * exceptions.cc (interruptible): Allocate slightly more space for directory just for paranoia's sake. (call_handler): Eliminate nonmain argument. Determine if main thread has set a frame pointer and use it if so. (sig_handle): Eliminate nonmain argument. * net.cc: Record frame information in appropriate routines throughout. * select.cc (select): Ditto. * sigproc.cc: Use sigthread structure to record mainthread id throughout. (sig_send): Record frame information for signal handler. (wait_sig): Reflect argument change in sig_handle. (WFSO): Move here and record frame information for signal handler. (WFMO): Ditto. * sigproc.h: Implement new "sigthread" class. Implement "sigframe" class for manipulating signal frame info. * thread.cc (__pthread_kill): Use standard _kill() function rather than calling sig_send directly. * winsup.h: Eliminate ebp element from signal_dispatch class.
* Pipe changes throughout suggested by Eric Fifer <EFifer@sanwaint.com>Christopher Faylor2000-03-151-0/+1
| | | | | | | | | | | | | | | | | | | | | * 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.
* * exceptions.cc (interruptible): Make a little more structured.Christopher Faylor2000-02-261-6/+6
| | | | | | | | | | | | | (call_handler): Allow signals to be sent even if signalled thread is stopped. Change order of signal_arrived arming/waiting threads clearing to eliminate a race. (reset_signal_arrived): New helper function. * malloc.cc (malloc_init): Use mutos so that signal handler can keep track of who owns the lock. (__malloc_lock): Ditto. (__malloc_unlock): Ditto. * sync.h (new_muto): Actually use a muto for the "buffer". * Makefile.in: Fix a dependency.
* * exceptions.cc (call_handler): Use new muto linked list to look for allChristopher Faylor2000-02-241-4/+8
| | | | | | | | potential mutos owned by suspended thread. Clear waiting threads while thread is stopped. (proc_subproc): Clarify debugging output. * sync.h (class muto): Add 'next' field. (new_muto): Keep linked list alive.
* Fix final round of gcc warnings relating to unused parameters.Christopher Faylor2000-02-241-0/+1
| | | | | | | | | | | | | | * debug.cc (iscygthread): New function. * debug.h: Declare it. * exceptions.cc (set_process_mask): Flush pending signals. (handle_sigsuspend): No need to flush pending signals. (call_handler): Refine previous tests of muto ownership. Only clear wait()'s when we have definitely responded to a signal. * fhandler_console.cc (fhandler_console::read): Don't set EINTR if executing in a "cygwin" thread. * sigproc.cc (proc_subproc): Use second argument to control whether CLEARWAIT actually sets "signalled" flag. * sync.h (muto): Add 'unstable' method.
* * exceptions.cc (interruptible): Change method for determining if something isChristopher Faylor2000-02-241-1/+2
| | | | | | | | | | | | | | interruptible. (call_handler): Avoid suspending a thread if it owns a mutex. Only set signal_arrived if the thread was actually interrupted. (events_init): Initialize module information needed by interruptible(). (sigdelayed): Don't call sig_dispatch_pending since it could screw up * init.cc (dll_entry): Record module handle of main for use by interruptible(). (proc_subproc): Reorganize handling of terminated child so that the bulk of the processing comes from the signal thread. (wait_sig): Force processing of waiting threads if SIGCHLD is not processed. * sync.cc (muto::release): Set tid == 0 after lock is released or signal processor will be confused.
* Respond to a multitude of g++ warnings.Christopher Faylor2000-02-211-2/+2
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* import winsup-2000-02-17 snapshotChristopher Faylor2000-02-171-0/+48
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