newlib/winsup/cygserver/ChangeLog

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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.