path: root/winsup/cygserver/ChangeLog

2006-01-12  Corinna Vinschen  <corinna@vinschen.de>

	* wincap.cc: New file.
	* wincap.h: New file.
	* Makefile.in: Accomodate having our own wincap implementation now.

2006-01-09  Corinna Vinschen  <corinna@vinschen.de>

	Check FreeBSD upstream changes and apply important patches.
	* sysv_sem.cc (__semctl): Check copyin return value (from 1.76).
	* sysv_shm.cc (shminit): Actually use the iterating variable in the
	for loop when trying to avoid overflow (from 1.102).

2005-11-10  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_helper.cc (securityinit): New function.  Move initialization
	of security related variables from ipcinit here.
	* bsd_helper.h (securityinit): Add prototype.
	* cygserver.cc (main): Call securityinit right after wincap.init.

2005-11-10  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_log.cc (_vpanic): LOG_EMERG is overkill, use LOG_CRIT.

2005-11-09  Corinna Vinschen  <corinna@vinschen.de>

	* process.cc (process_cache::process): Fix maximum process condition.

2005-10-24  Corinna Vinschen  <corinna@vinschen.de>

	* README: Add description for new -p/--process-cache option.
	* bsd_helper.cc (default_tun_check): Add kern.srv.process_cache_size
	entry to tunable_params. Set max value of kern.srv.request_threads
	to 310.
	* cygserver.cc (SERVER_VERSION): Set to 1.20.
	(print_usage): Print usage of new parameter -p.
	(main): Add process cache parameter handling. Accomodate new max
	value of request threads.
	* cygserver.conf: Add kern.srv.process_cache_size tunable parameter.
	Accomodate new max value of kern.srv.request_threads.
	* process.cc: Fix a comment.
	(process_cache::process_cache): Add max process cache size parameter.
	Change _cache_add_trigger to manual reset event.
	(struct pcache_wait_t): New struct used as parameter to
	pcache_wait_thread.
	(pcache_wait_thread): New thread function used for threaded process
	cache.
	(process_cache::wait_for_processes): Use threaded waiting if number
	of processes to wait for is bigger than 62. Always check all processes
	to avoid race under heavy load.
	(process_cache::sync_wait_array): Remove useless assert. Reset
	_cache_add_trigger right at the start since it's manual reset now.
	Accomodate threaded waiting.
	* process.h (process_cache::process_cache): Add max_procs parameter.
	(process_cache::_max_process_count): New member.
	(process_cache::_wait_array: Raise to allow up to 5 wait threads.
	(process_cache::_process_array): Ditto.

2005-08-08  Christopher Faylor  <cgf@timesys.com>

	* cygserver.cc (main): Call wincap.init() earlier to avoid a NULL
	dereference.

2005-06-14  Corinna Vinschen  <corinna@vinschen.de>

	* sysv_sem.cc (semu_list): Define static to avoid gcc 4.x compiler
	warning.

2005-04-08  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc (msleep_cnt): Remove.
	(msleep_max_cnt): Remove.
	(msleep_arr): Remove.
	(class msleep_sync_array): New class to encapsulate msleep/wakeup
	thread synchronization.
	(msleep_sync): New object pointer.
	(msleep_init): Initialize new msleep_sync object.
	(_mutex): Just call msleep_sync->enter() and msleep_sync->leave() for
	thread synchronization. Improve debug output a bit more.
	(wakeup): Just call msleep_sync->wakeup().
	(wakeup_all): Whitespace fix.

2005-04-06  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_helper.cc (ipcexit_hookthread): Fix whitespace and handle leak.
	* bsd_mutex.cc: Include stdlib.h, sys/msg.h and sys/sem.h.
	(mtx_init): Initialize lock counter to 0.
	(_mtx_lock): Increment and log mutex lock counter.
	(mtx_owned): Add winpid argument. Return true only if mutex is
	actually owned by process winpid.
	(_mtx_assert): Add winpid argument accordingly.
	(_mtx_unlock): Log owner and lock count.
	(MSLEEP_MUTEX): Remove.
	(MSLEEP_SEM): Ditto.
	(MSLEEP_EVENT): Ditto.
	(msleep_event_name): Ditto.
	(msleep_cs): New global critical section.
	(msleep_cnt): New global variable indicating msleep record usage.
	(msleep_max_cnt): New global variable indicating msleep record size.
	(msleep_arr): New global pointer to msleep records.
	(msleep_init): Initialize msleep_cs. Allocate msleep_arr array.
	(_msleep): Rewrite using new msleep_cs/msleep_arr based thread
	synchronization. Don't be shy with debug output.
	(wakeup): Rewrite using new msleep_cs/msleep_arr based thread
	synchronization.
	* bsd_mutex.h (struct mtx): Add lock counter for better debugging.
	(mtx_owned): Declare with winpid argument.
	(_mtx_assert): Ditto.
	(mtx_assert): Define with winpid argument.
	* cygserver.cc (version): Remove.
	(SERVER_VERSION): New define, decoupling server version information
	from source code control system.
	(print_version): Simplify printing server version.
	* process.cc (process::process): Fix wrong bracketing (and handle leak).
	(process::~process): Only try to close _signal_arrived if valid.
	* sysv_sem.cc: Include sys/smallprint.h.
	(semundo_clear): Define with additional struct thread pointer argument.
	Accomodate throughout.
	(SEMUNDO_LOCKASSERT): Define with winpid argument. Accomodate
	throughout.
	(struct sem_undo): Define un_proc as pid_t on Cygwin. Accomodate
	throughout.
	(seminit): Improve debugging by adding the semid to the mutex name.
	(semget): Correctly print key value as 64 bit hex value in debug
	output.
	(semexit_myhook): Remove Cygwin specific unlocking of mutexes owned
	by exiting process.  Keep semaphore global lock throughout whole
	function to avoid races.
	* sysv_shm.cc (GIANT_REQUIRED): Define empty on Cygwin. We know that
	Giant is locked.

2005-04-01  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc (_msleep): Whitespace fix.
	* process.cc (process::process): Handle invalid signal_arrived values
	more gracefully.

2004-12-30  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc: Include limits.h.
	(MSLEEP_MUTEX): New define for third parameter to msleep_event_name.
	(MSLEEP_SEM): Ditto.
	(MSLEEP_EVENT): Ditto.
	(msleep_event_name): Add third parameter to allow multiple
	synchronization objects per ident.
	(_msleep): Implement new synchronization technique to make sure
	that all threads have been woken up by a corresponding wakeup call.
	(wakeup): Ditto.

2004-10-18  Corinna Vinschen  <corinna@vinschen.de>

	* sysv_sem.cc: Redefine offsetof to circumvent build problems with
	gcc 3.4.

2004-10-04  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc (_msleep): Simplify event creation.  Revert change from
	2004-08-24.  It should be unnecessary now.
	* msg.cc (client_request_msg::serve): Release process critical
	section as early as possible.
	* sem.cc (client_request_sem::serve): Ditto.
	* shm.cc (client_request_shm::serve): Ditto.
	* process.cc: Use hold and release method calls instead of
	EnterCriticalSection/LeaveCriticalSection calls throughout.
	* process.h (_hold): Rename from hold.  Take filename and linenumber
	parameter for logging.  Define matching hold macro.
	(release): Ditto.

2004-10-01  Corinna Vinschen  <corinna@vinschen.de>

	* sysv_sem.cc: Update to FreeBSD version 1.69.
	1.68: Reduce the overhead of semop() by using the kernel stack
	instead of malloc'd memory to store the operations array if it
	is small enough to fit.
	1.69: Adjust the number of processes waiting on a semaphore properly
	if we're woken up in the middle of sleeping.

2004-09-23  Corinna Vinschen  <corinna@vinschen.de>

	* sysv_shm.cc (kern_shmat): Avoid compiler warning.

2004-09-21  Corinna Vinschen  <corinna@vinschen.de>

	* sysv_shm.cc (vm_object_reference): remove Cygwin specific define.
	(vm_map_find): Ditto.
	(vm_map_inherit): Ditto.
	(kern_shmat): On Cygwin, take shmaddr just as is.  Don't call vm
	system calls on Cygwin.  Add comment.

2004-09-15  Corinna Vinschen  <corinna@vinschen.de>

	Fix copyright throughout.
	Eliminate use of _impure_ptr outside Cygwin.
	* bsd_helper.cc: Include errno.h instead of cygerrno.h.
	* bsd_mutex.cc : Ditto.
	* client.cc: Ditto.
	* cygserver.cc: Ditto.
	* process.cc: Don't build functions inside Cygwin.  Don't include
	cygerrno.h.  Don't set errno.
	* transport_pipes.cc (SET_ERRNO): New define.  Use througout.
	* transport_sockets.cc (SET_ERRNO): Ditto.
	(GET_ERRNO): Ditto.

2004-09-06  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc (_msleep): Disable resetting event object for now.

2004-08-31  Corinna Vinschen  <corinna@vinschen.de>

	* sysv_shm.cc (kern_shmat): Add debug_printf's.

2004-08-24  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc (_msleep): Release process object while waiting.

2004-08-03  Corinna Vinschen  <corinna@vinschen.de>

	* transport.cc (transport_layer_base::~transport_layer_base): Resurrect.
	* transport.h (transport_layer_base::~transport_layer_base): Ditto.

2004-07-30  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc (_msleep): Reset event object and close it before
	entering mutex.  Turn order of conditional for better readability.

2004-07-26  Corinna Vinschen  <corinna@vinschen.de>

	* cygserver.conf: Describe relation between shmmaxpgs and SHMMAX.

2004-07-20  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_helper.cc: Whitespace fixes.
	* bsd_mutex.cc: Ditto.

2004-07-19  Corinna Vinschen  <corinna@vinschen.de>

	* transport.cc (transport_layer_base::~transport_layer_base): Remove.
	* transport.h (transport_layer_base::~transport_layer_base): Ditto.

2004-07-19  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc (win_priority): Actually calculate p from priority.

2004-06-03  Corinna Vinschen  <corinna@vinschen.de>

	* shm.cc (shmget): Explicitely set td_retval[0] to -1 on error.

2004-03-30  Corinna Vinschen  <corinna@vinschen.de>

	* sysv_shm.cc (shmget): Allow to retrieve shared memory segments
	by shmid when IPC_KEY_IS_SHMID is set.

2004-03-02  Corinna Vinschen  <corinna@vinschen.de>

	* sysv_sem.cc (semundo_adjust): Check for process id instead of
	process struct pointer, which isn't fixed under Cygwin.
	(semexit_myhook): Ditto.  Adjust debug print statements to print
	Cygwin and Windows PIDs instead of process pointer under Cygwin.

2004-02-07  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc (win_priority): Move to msleep helper function section.
	(set_priority): Ditto. Fix formatting.
	(_msleep): Cleanup obj formatting.  Rearrange obj order.

2004-02-06  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_mutex.cc (_msleep): Handle PCATCH using signal_arrived event.
	* client.cc: Include sigproc.h.
	* msg.cc (client_request_msg::serve): Accomodate third parameter to
	process::process.
	* sem.cc (client_request_sem::serve): Ditto.
	* shm.cc (client_request_shm::serve): Ditto.
	* process.cc (process::process): Duplicate signal_arrived into
	Cygserver process space.
	(process::~process): Close _signal_arrived handle.
	(process_cache::process): Add signal_arrived handling.
	* process.h (process::process): Add signal_arrived parameter.
	(process:signal_arrived): New read accessor.
	(process:_signal_arrived): New member.
	(process_cache::process): Add signal_arrived parameter.

2004-01-16  Corinna Vinschen  <corinna@vinschen.de>

	* process.h (cleanup_routine::~cleanup_routine): Make pure virtual
	function to avoid miscompilation with certain versions of gcc.
	* process.cc (cleanup_routine::~cleanup_routine): Remove.

2003-12-26  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in (CFLAGS, CXXFLAGS): Remove unneeded include.
	(CYGWIN_LIB): Delete.
	(cygserver.exe target): Add -L$(cygwin_build) to the link line to force
	linker to use build tree version of the library.  Remove specific
	inclusion of libcygwin.a from the link line.

2003-12-16  Corinna Vinschen  <corinna@vinschen.de>

	* bsd_helper.cc (tunable_params): Add entries for kern.ipc.msgmnb and
	kern.ipc.msgtql.  Raise max value for kern.ipc.msgseg to 65535.
	* cygserver.conf: Add kern.ipc.msgmnb and kern.ipc.msgtql.
	* sysv_msg.cc (msginit): Add TUNABLE_INT_FETCH call for
	kern.ipc.msgmnb and kern.ipc.msgtql.

2003-11-26  Corinna Vinschen  <corinna@vinschen.de>

	* cygserver.cc (main): Move call to ipcinit() up before installing
	any threads.
	* sysv_sem.cc: Update to FreeBSD version 1.67.
	(seminit): Initialize semaphore sequence numbers to 0.

2003-11-26  Corinna Vinschen  <corinna@vinschen.de>

	* Makefile.in (CYGWIN_LIB): Variable pointing to libcygwin.a in
	the parallel cygwin dir.
	(cygserver.exe): Depend on and link against $CYGWIN_LIB.

2003-11-25  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in (CXXFLAGS): Remove duplicate options handled in
	Makefile.common.

2003-11-22  Corinna Vinschen  <corinna@vinschen.de>

	* msg.cc (client_request_msg::serve): Add default case to msgop switch.
	* sem.cc (client_request_sem::serve): Add default case to semop switch.
	* shm.cc (client_request_shm::serve): Add default case to shmop switch.

2003-11-21  Corinna Vinschen  <corinna@vinschen.de>

	* Makefile.in (install): Explicitely create directories.  Install
	README to $(prefix)/share/doc/Cygwin.
	* README: New file.

2003-11-21  Corinna Vinschen  <corinna@vinschen.de>

	* cygserver.cc (print_usage): Fix scrambled output.

2003-11-20  Corinna Vinschen  <corinna@vinschen.de>

	* cygserver-config: Slightly modify printed message.

2003-11-20  Corinna Vinschen  <corinna@vinschen.de>

	* Makefile.in (install): Install cygserver-config script to bindir.
	* cygserver-config: New script.

2003-11-19  Corinna Vinschen  <corinna@vinschen.de>

	Don't use safe_new but new throughout.  Fix copyright dates
	throughout.
	* Makefile.in: Accomodate all new files and name changes.
	Add a *.d dependency.
	(sbindir): Add.
	(etcdir): Drop in favor of more appropriate sysconfdir definition.
	(sysconfdir): Add.
	(CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition.
	(.SUFFIXES): Add.
	(install): Add action items.
	(libclean): New target.
	(fullclean): Ditto.
	* bsd_helper.cc: New file.
	* bsd_helper.h: Ditto.
	* bsd_log.cc: Ditto.
	* bsd_log.h: Ditto.
	* bsd_mutex.cc: Ditto.
	* bsd_mutex.h: Ditto.
	* client.cc: Rearrange to build as less as possible if
	__INSIDE_CYGWIN__.
	(client_request::handle_request): Add Message Queue and Semaphore
	handling.
	* cygserver.cc: Rearrange to build as less as possible if
	__INSIDE_CYGWIN__. Use new debug/log/panic logging functions.
	(DEF_CONFIG_FILE): New definition for configuration file.  Use
	throughout.
	(getfunc): Remove.
	(__cygserver__printf): Remove.
	(client_request_attach_tty::serve): Return error if impersonation
	fails.
	(print_usage): Pump up help message.
	(print_version): Add output of default configuration file.
	(main): Accommodate new options.  Allow overwrite of threading options
	from config file.  Call several new initialization functions.  Drop
	printing dots.  Don't define SIGHANDLE inline.
	* cygserver.conf: New file.
	* cygserver_process.h: Rename to process.h.
	* cygserver_transport.h: Rename to transport.h.
	* cygserver_transport_pipes.h: Rename to transport_pipes.h.
	* cygserver_transport_sockets.h: Rename to transport_sockets.h.
	* msg.cc: Rewrite.
	* sem.cc: Rewrite.
	* shm.cc: Rewrite.
	* sysv_msg.cc: New file, derived from FreeBSD version 1.52.
	* sysv_sem.cc: New file, derived from FreeBSD version 1.66.
	* sysv_shm.cc: New file, derived from FreeBSD version 1.89.
	* threaded_queue.cc: Rearrange to build as less as possible if
	__INSIDE_CYGWIN__.
	* transport.cc (transport_layer_base::impersonate_client): Define bool.
	(transport_layer_base::revert_to_self): Ditto.
	* transport.h (transport_layer_base::impersonate_client): Declare bool.
	(transport_layer_base::revert_to_self): Ditto.
	* transport_pipes.cc (transport_layer_pipes::transport_layer_pipes):
	Don't call init_security.
	(init_security): Remove.
	(transport_layer_pipes::accept): Use global sec_all_nih.
	(transport_layer_pipes::connect): Ditto.
	(transport_layer_pipes::impersonate_client): Define bool.
	(transport_layer_pipes::revert_to_self): Ditt.
	* transport_pipes.h (transport_layer_pipes::impersonate_client): Declare
	bool.
	(transport_layer_pipes::revert_to_self): Ditto.
	* woutsup.h: Include bsd compatibility headers.
	(SIGHANDLE): Add definition.
	(__cygserver__printf): Remove definition.
	(__noop_printf): Ditto.
	(debug_printf): Define using debug.
	(syscall_printf): Define using log.
	(system_printf): Ditto.
	Drop all other _printf definitions.

2003-10-22  Corinna Vinschen  <corinna@vinschen.de>

	Accomodate moving cygserver header files from cygwin/include/cygwin
	to here and cygwin dir.
	* Makefile.in (EXEEXT): Drop as unused.
	(EXEEXT_FOR_BUILD): Ditto.
	(all): Don't build libcygserver.a.
	* cygserver_process.h: Moved from cygwin/include/cygwin to here.
	* cygserver_transport.h: Ditto.
	* cygserver_transport_pipes.h: Ditto.
	* cygserver_transport_sockets.h: Ditto.
	* ipc.h: Moved to ../cygwin and renamed to cygserver_ipc.h.
	* shm.h: Moved to ../cygwin and renamed to cygserver_shm.h.

2003-08-30  Christopher Faylor  <cgf@redhat.com>

	* msg.cc: New file.
	* sem.cc: Ditto.

2003-08-30  Christopher Faylor  <cgf@redhat.com>

	* threaded_queue.h: New file.

2003-08-25  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in: Build libcygserver.a.
	* client.cc: Rename allow_daemon to allow_server.

2003-07-25  Christopher Faylor  <cgf@redhat.com>

	* configure.in: Use 'install-sh -c'.
	* configure: Regenerate.

2003-07-25  Christopher Faylor  <cgf@redhat.com>

	* configure.in: Always use install-sh.
	* configure: Regenerate.

2003-07-01  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in (OBJS): Move some more files from cygwin directory.
	* woutsup.h: Define _MT_SAFE.

2003-07-01  Christopher Faylor  <cgf@redhat.com>

	* configure.in: First pass.
	* Makefile.in: Ditto.
	* configure: Generate.