winsup/cygserver/ChangeLog

   1 2006-01-12  Corinna Vinschen  <corinna@vinschen.de>
   2
   3         * wincap.cc: New file.
   4         * wincap.h: New file.
   5         * Makefile.in: Accomodate having our own wincap implementation now.
   6
   7 2006-01-09  Corinna Vinschen  <corinna@vinschen.de>
   8
   9         Check FreeBSD upstream changes and apply important patches.
  10         * sysv_sem.cc (__semctl): Check copyin return value (from 1.76).
  11         * sysv_shm.cc (shminit): Actually use the iterating variable in the
  12         for loop when trying to avoid overflow (from 1.102).
  13
  14 2005-11-10  Corinna Vinschen  <corinna@vinschen.de>
  15
  16         * bsd_helper.cc (securityinit): New function.  Move initialization
  17         of security related variables from ipcinit here.
  18         * bsd_helper.h (securityinit): Add prototype.
  19         * cygserver.cc (main): Call securityinit right after wincap.init.
  20
  21 2005-11-10  Corinna Vinschen  <corinna@vinschen.de>
  22
  23         * bsd_log.cc (_vpanic): LOG_EMERG is overkill, use LOG_CRIT.
  24
  25 2005-11-09  Corinna Vinschen  <corinna@vinschen.de>
  26
  27         * process.cc (process_cache::process): Fix maximum process condition.
  28
  29 2005-10-24  Corinna Vinschen  <corinna@vinschen.de>
  30
  31         * README: Add description for new -p/--process-cache option.
  32         * bsd_helper.cc (default_tun_check): Add kern.srv.process_cache_size
  33         entry to tunable_params. Set max value of kern.srv.request_threads
  34         to 310.
  35         * cygserver.cc (SERVER_VERSION): Set to 1.20.
  36         (print_usage): Print usage of new parameter -p.
  37         (main): Add process cache parameter handling. Accomodate new max
  38         value of request threads.
  39         * cygserver.conf: Add kern.srv.process_cache_size tunable parameter.
  40         Accomodate new max value of kern.srv.request_threads.
  41         * process.cc: Fix a comment.
  42         (process_cache::process_cache): Add max process cache size parameter.
  43         Change _cache_add_trigger to manual reset event.
  44         (struct pcache_wait_t): New struct used as parameter to
  45         pcache_wait_thread.
  46         (pcache_wait_thread): New thread function used for threaded process
  47         cache.
  48         (process_cache::wait_for_processes): Use threaded waiting if number
  49         of processes to wait for is bigger than 62. Always check all processes
  50         to avoid race under heavy load.
  51         (process_cache::sync_wait_array): Remove useless assert. Reset
  52         _cache_add_trigger right at the start since it's manual reset now.
  53         Accomodate threaded waiting.
  54         * process.h (process_cache::process_cache): Add max_procs parameter.
  55         (process_cache::_max_process_count): New member.
  56         (process_cache::_wait_array: Raise to allow up to 5 wait threads.
  57         (process_cache::_process_array): Ditto.
  58
  59 2005-08-08  Christopher Faylor  <cgf@timesys.com>
  60
  61         * cygserver.cc (main): Call wincap.init() earlier to avoid a NULL
  62         dereference.
  63
  64 2005-06-14  Corinna Vinschen  <corinna@vinschen.de>
  65
  66         * sysv_sem.cc (semu_list): Define static to avoid gcc 4.x compiler
  67         warning.
  68
  69 2005-04-08  Corinna Vinschen  <corinna@vinschen.de>
  70
  71         * bsd_mutex.cc (msleep_cnt): Remove.
  72         (msleep_max_cnt): Remove.
  73         (msleep_arr): Remove.
  74         (class msleep_sync_array): New class to encapsulate msleep/wakeup
  75         thread synchronization.
  76         (msleep_sync): New object pointer.
  77         (msleep_init): Initialize new msleep_sync object.
  78         (_mutex): Just call msleep_sync->enter() and msleep_sync->leave() for
  79         thread synchronization. Improve debug output a bit more.
  80         (wakeup): Just call msleep_sync->wakeup().
  81         (wakeup_all): Whitespace fix.
  82
  83 2005-04-06  Corinna Vinschen  <corinna@vinschen.de>
  84
  85         * bsd_helper.cc (ipcexit_hookthread): Fix whitespace and handle leak.
  86         * bsd_mutex.cc: Include stdlib.h, sys/msg.h and sys/sem.h.
  87         (mtx_init): Initialize lock counter to 0.
  88         (_mtx_lock): Increment and log mutex lock counter.
  89         (mtx_owned): Add winpid argument. Return true only if mutex is
  90         actually owned by process winpid.
  91         (_mtx_assert): Add winpid argument accordingly.
  92         (_mtx_unlock): Log owner and lock count.
  93         (MSLEEP_MUTEX): Remove.
  94         (MSLEEP_SEM): Ditto.
  95         (MSLEEP_EVENT): Ditto.
  96         (msleep_event_name): Ditto.
  97         (msleep_cs): New global critical section.
  98         (msleep_cnt): New global variable indicating msleep record usage.
  99         (msleep_max_cnt): New global variable indicating msleep record size.
 100         (msleep_arr): New global pointer to msleep records.
 101         (msleep_init): Initialize msleep_cs. Allocate msleep_arr array.
 102         (_msleep): Rewrite using new msleep_cs/msleep_arr based thread
 103         synchronization. Don't be shy with debug output.
 104         (wakeup): Rewrite using new msleep_cs/msleep_arr based thread
 105         synchronization.
 106         * bsd_mutex.h (struct mtx): Add lock counter for better debugging.
 107         (mtx_owned): Declare with winpid argument.
 108         (_mtx_assert): Ditto.
 109         (mtx_assert): Define with winpid argument.
 110         * cygserver.cc (version): Remove.
 111         (SERVER_VERSION): New define, decoupling server version information
 112         from source code control system.
 113         (print_version): Simplify printing server version.
 114         * process.cc (process::process): Fix wrong bracketing (and handle leak).
 115         (process::~process): Only try to close _signal_arrived if valid.
 116         * sysv_sem.cc: Include sys/smallprint.h.
 117         (semundo_clear): Define with additional struct thread pointer argument.
 118         Accomodate throughout.
 119         (SEMUNDO_LOCKASSERT): Define with winpid argument. Accomodate
 120         throughout.
 121         (struct sem_undo): Define un_proc as pid_t on Cygwin. Accomodate
 122         throughout.
 123         (seminit): Improve debugging by adding the semid to the mutex name.
 124         (semget): Correctly print key value as 64 bit hex value in debug
 125         output.
 126         (semexit_myhook): Remove Cygwin specific unlocking of mutexes owned
 127         by exiting process.  Keep semaphore global lock throughout whole
 128         function to avoid races.
 129         * sysv_shm.cc (GIANT_REQUIRED): Define empty on Cygwin. We know that
 130         Giant is locked.
 131
 132 2005-04-01  Corinna Vinschen  <corinna@vinschen.de>
 133
 134         * bsd_mutex.cc (_msleep): Whitespace fix.
 135         * process.cc (process::process): Handle invalid signal_arrived values
 136         more gracefully.
 137
 138 2004-12-30  Corinna Vinschen  <corinna@vinschen.de>
 139
 140         * bsd_mutex.cc: Include limits.h.
 141         (MSLEEP_MUTEX): New define for third parameter to msleep_event_name.
 142         (MSLEEP_SEM): Ditto.
 143         (MSLEEP_EVENT): Ditto.
 144         (msleep_event_name): Add third parameter to allow multiple
 145         synchronization objects per ident.
 146         (_msleep): Implement new synchronization technique to make sure
 147         that all threads have been woken up by a corresponding wakeup call.
 148         (wakeup): Ditto.
 149
 150 2004-10-18  Corinna Vinschen  <corinna@vinschen.de>
 151
 152         * sysv_sem.cc: Redefine offsetof to circumvent build problems with
 153         gcc 3.4.
 154
 155 2004-10-04  Corinna Vinschen  <corinna@vinschen.de>
 156
 157         * bsd_mutex.cc (_msleep): Simplify event creation.  Revert change from
 158         2004-08-24.  It should be unnecessary now.
 159         * msg.cc (client_request_msg::serve): Release process critical
 160         section as early as possible.
 161         * sem.cc (client_request_sem::serve): Ditto.
 162         * shm.cc (client_request_shm::serve): Ditto.
 163         * process.cc: Use hold and release method calls instead of
 164         EnterCriticalSection/LeaveCriticalSection calls throughout.
 165         * process.h (_hold): Rename from hold.  Take filename and linenumber
 166         parameter for logging.  Define matching hold macro.
 167         (release): Ditto.
 168
 169 2004-10-01  Corinna Vinschen  <corinna@vinschen.de>
 170
 171         * sysv_sem.cc: Update to FreeBSD version 1.69.
 172         1.68: Reduce the overhead of semop() by using the kernel stack
 173         instead of malloc'd memory to store the operations array if it
 174         is small enough to fit.
 175         1.69: Adjust the number of processes waiting on a semaphore properly
 176         if we're woken up in the middle of sleeping.
 177
 178 2004-09-23  Corinna Vinschen  <corinna@vinschen.de>
 179
 180         * sysv_shm.cc (kern_shmat): Avoid compiler warning.
 181
 182 2004-09-21  Corinna Vinschen  <corinna@vinschen.de>
 183
 184         * sysv_shm.cc (vm_object_reference): remove Cygwin specific define.
 185         (vm_map_find): Ditto.
 186         (vm_map_inherit): Ditto.
 187         (kern_shmat): On Cygwin, take shmaddr just as is.  Don't call vm
 188         system calls on Cygwin.  Add comment.
 189
 190 2004-09-15  Corinna Vinschen  <corinna@vinschen.de>
 191
 192         Fix copyright throughout.
 193         Eliminate use of _impure_ptr outside Cygwin.
 194         * bsd_helper.cc: Include errno.h instead of cygerrno.h.
 195         * bsd_mutex.cc : Ditto.
 196         * client.cc: Ditto.
 197         * cygserver.cc: Ditto.
 198         * process.cc: Don't build functions inside Cygwin.  Don't include
 199         cygerrno.h.  Don't set errno.
 200         * transport_pipes.cc (SET_ERRNO): New define.  Use througout.
 201         * transport_sockets.cc (SET_ERRNO): Ditto.
 202         (GET_ERRNO): Ditto.
 203
 204 2004-09-06  Corinna Vinschen  <corinna@vinschen.de>
 205
 206         * bsd_mutex.cc (_msleep): Disable resetting event object for now.
 207
 208 2004-08-31  Corinna Vinschen  <corinna@vinschen.de>
 209
 210         * sysv_shm.cc (kern_shmat): Add debug_printf's.
 211
 212 2004-08-24  Corinna Vinschen  <corinna@vinschen.de>
 213
 214         * bsd_mutex.cc (_msleep): Release process object while waiting.
 215
 216 2004-08-03  Corinna Vinschen  <corinna@vinschen.de>
 217
 218         * transport.cc (transport_layer_base::~transport_layer_base): Resurrect.
 219         * transport.h (transport_layer_base::~transport_layer_base): Ditto.
 220
 221 2004-07-30  Corinna Vinschen  <corinna@vinschen.de>
 222
 223         * bsd_mutex.cc (_msleep): Reset event object and close it before
 224         entering mutex.  Turn order of conditional for better readability.
 225
 226 2004-07-26  Corinna Vinschen  <corinna@vinschen.de>
 227
 228         * cygserver.conf: Describe relation between shmmaxpgs and SHMMAX.
 229
 230 2004-07-20  Corinna Vinschen  <corinna@vinschen.de>
 231
 232         * bsd_helper.cc: Whitespace fixes.
 233         * bsd_mutex.cc: Ditto.
 234
 235 2004-07-19  Corinna Vinschen  <corinna@vinschen.de>
 236
 237         * transport.cc (transport_layer_base::~transport_layer_base): Remove.
 238         * transport.h (transport_layer_base::~transport_layer_base): Ditto.
 239
 240 2004-07-19  Corinna Vinschen  <corinna@vinschen.de>
 241
 242         * bsd_mutex.cc (win_priority): Actually calculate p from priority.
 243
 244 2004-06-03  Corinna Vinschen  <corinna@vinschen.de>
 245
 246         * shm.cc (shmget): Explicitely set td_retval[0] to -1 on error.
 247
 248 2004-03-30  Corinna Vinschen  <corinna@vinschen.de>
 249
 250         * sysv_shm.cc (shmget): Allow to retrieve shared memory segments
 251         by shmid when IPC_KEY_IS_SHMID is set.
 252
 253 2004-03-02  Corinna Vinschen  <corinna@vinschen.de>
 254
 255         * sysv_sem.cc (semundo_adjust): Check for process id instead of
 256         process struct pointer, which isn't fixed under Cygwin.
 257         (semexit_myhook): Ditto.  Adjust debug print statements to print
 258         Cygwin and Windows PIDs instead of process pointer under Cygwin.
 259
 260 2004-02-07  Corinna Vinschen  <corinna@vinschen.de>
 261
 262         * bsd_mutex.cc (win_priority): Move to msleep helper function section.
 263         (set_priority): Ditto. Fix formatting.
 264         (_msleep): Cleanup obj formatting.  Rearrange obj order.
 265
 266 2004-02-06  Corinna Vinschen  <corinna@vinschen.de>
 267
 268         * bsd_mutex.cc (_msleep): Handle PCATCH using signal_arrived event.
 269         * client.cc: Include sigproc.h.
 270         * msg.cc (client_request_msg::serve): Accomodate third parameter to
 271         process::process.
 272         * sem.cc (client_request_sem::serve): Ditto.
 273         * shm.cc (client_request_shm::serve): Ditto.
 274         * process.cc (process::process): Duplicate signal_arrived into
 275         Cygserver process space.
 276         (process::~process): Close _signal_arrived handle.
 277         (process_cache::process): Add signal_arrived handling.
 278         * process.h (process::process): Add signal_arrived parameter.
 279         (process:signal_arrived): New read accessor.
 280         (process:_signal_arrived): New member.
 281         (process_cache::process): Add signal_arrived parameter.
 282
 283 2004-01-16  Corinna Vinschen  <corinna@vinschen.de>
 284
 285         * process.h (cleanup_routine::~cleanup_routine): Make pure virtual
 286         function to avoid miscompilation with certain versions of gcc.
 287         * process.cc (cleanup_routine::~cleanup_routine): Remove.
 288
 289 2003-12-26  Christopher Faylor  <cgf@redhat.com>
 290
 291         * Makefile.in (CFLAGS, CXXFLAGS): Remove unneeded include.
 292         (CYGWIN_LIB): Delete.
 293         (cygserver.exe target): Add -L$(cygwin_build) to the link line to force
 294         linker to use build tree version of the library.  Remove specific
 295         inclusion of libcygwin.a from the link line.
 296
 297 2003-12-16  Corinna Vinschen  <corinna@vinschen.de>
 298
 299         * bsd_helper.cc (tunable_params): Add entries for kern.ipc.msgmnb and
 300         kern.ipc.msgtql.  Raise max value for kern.ipc.msgseg to 65535.
 301         * cygserver.conf: Add kern.ipc.msgmnb and kern.ipc.msgtql.
 302         * sysv_msg.cc (msginit): Add TUNABLE_INT_FETCH call for
 303         kern.ipc.msgmnb and kern.ipc.msgtql.
 304
 305 2003-11-26  Corinna Vinschen  <corinna@vinschen.de>
 306
 307         * cygserver.cc (main): Move call to ipcinit() up before installing
 308         any threads.
 309         * sysv_sem.cc: Update to FreeBSD version 1.67.
 310         (seminit): Initialize semaphore sequence numbers to 0.
 311
 312 2003-11-26  Corinna Vinschen  <corinna@vinschen.de>
 313
 314         * Makefile.in (CYGWIN_LIB): Variable pointing to libcygwin.a in
 315         the parallel cygwin dir.
 316         (cygserver.exe): Depend on and link against $CYGWIN_LIB.
 317
 318 2003-11-25  Christopher Faylor  <cgf@redhat.com>
 319
 320         * Makefile.in (CXXFLAGS): Remove duplicate options handled in
 321         Makefile.common.
 322
 323 2003-11-22  Corinna Vinschen  <corinna@vinschen.de>
 324
 325         * msg.cc (client_request_msg::serve): Add default case to msgop switch.
 326         * sem.cc (client_request_sem::serve): Add default case to semop switch.
 327         * shm.cc (client_request_shm::serve): Add default case to shmop switch.
 328
 329 2003-11-21  Corinna Vinschen  <corinna@vinschen.de>
 330
 331         * Makefile.in (install): Explicitely create directories.  Install
 332         README to $(prefix)/share/doc/Cygwin.
 333         * README: New file.
 334
 335 2003-11-21  Corinna Vinschen  <corinna@vinschen.de>
 336
 337         * cygserver.cc (print_usage): Fix scrambled output.
 338
 339 2003-11-20  Corinna Vinschen  <corinna@vinschen.de>
 340
 341         * cygserver-config: Slightly modify printed message.
 342
 343 2003-11-20  Corinna Vinschen  <corinna@vinschen.de>
 344
 345         * Makefile.in (install): Install cygserver-config script to bindir.
 346         * cygserver-config: New script.
 347
 348 2003-11-19  Corinna Vinschen  <corinna@vinschen.de>
 349
 350         Don't use safe_new but new throughout.  Fix copyright dates
 351         throughout.
 352         * Makefile.in: Accomodate all new files and name changes.
 353         Add a *.d dependency.
 354         (sbindir): Add.
 355         (etcdir): Drop in favor of more appropriate sysconfdir definition.
 356         (sysconfdir): Add.
 357         (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition.
 358         (.SUFFIXES): Add.
 359         (install): Add action items.
 360         (libclean): New target.
 361         (fullclean): Ditto.
 362         * bsd_helper.cc: New file.
 363         * bsd_helper.h: Ditto.
 364         * bsd_log.cc: Ditto.
 365         * bsd_log.h: Ditto.
 366         * bsd_mutex.cc: Ditto.
 367         * bsd_mutex.h: Ditto.
 368         * client.cc: Rearrange to build as less as possible if
 369         __INSIDE_CYGWIN__.
 370         (client_request::handle_request): Add Message Queue and Semaphore
 371         handling.
 372         * cygserver.cc: Rearrange to build as less as possible if
 373         __INSIDE_CYGWIN__. Use new debug/log/panic logging functions.
 374         (DEF_CONFIG_FILE): New definition for configuration file.  Use
 375         throughout.
 376         (getfunc): Remove.
 377         (__cygserver__printf): Remove.
 378         (client_request_attach_tty::serve): Return error if impersonation
 379         fails.
 380         (print_usage): Pump up help message.
 381         (print_version): Add output of default configuration file.
 382         (main): Accommodate new options.  Allow overwrite of threading options
 383         from config file.  Call several new initialization functions.  Drop
 384         printing dots.  Don't define SIGHANDLE inline.
 385         * cygserver.conf: New file.
 386         * cygserver_process.h: Rename to process.h.
 387         * cygserver_transport.h: Rename to transport.h.
 388         * cygserver_transport_pipes.h: Rename to transport_pipes.h.
 389         * cygserver_transport_sockets.h: Rename to transport_sockets.h.
 390         * msg.cc: Rewrite.
 391         * sem.cc: Rewrite.
 392         * shm.cc: Rewrite.
 393         * sysv_msg.cc: New file, derived from FreeBSD version 1.52.
 394         * sysv_sem.cc: New file, derived from FreeBSD version 1.66.
 395         * sysv_shm.cc: New file, derived from FreeBSD version 1.89.
 396         * threaded_queue.cc: Rearrange to build as less as possible if
 397         __INSIDE_CYGWIN__.
 398         * transport.cc (transport_layer_base::impersonate_client): Define bool.
 399         (transport_layer_base::revert_to_self): Ditto.
 400         * transport.h (transport_layer_base::impersonate_client): Declare bool.
 401         (transport_layer_base::revert_to_self): Ditto.
 402         * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes):
 403         Don't call init_security.
 404         (init_security): Remove.
 405         (transport_layer_pipes::accept): Use global sec_all_nih.
 406         (transport_layer_pipes::connect): Ditto.
 407         (transport_layer_pipes::impersonate_client): Define bool.
 408         (transport_layer_pipes::revert_to_self): Ditt.
 409         * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare
 410         bool.
 411         (transport_layer_pipes::revert_to_self): Ditto.
 412         * woutsup.h: Include bsd compatibility headers.
 413         (SIGHANDLE): Add definition.
 414         (__cygserver__printf): Remove definition.
 415         (__noop_printf): Ditto.
 416         (debug_printf): Define using debug.
 417         (syscall_printf): Define using log.
 418         (system_printf): Ditto.
 419         Drop all other _printf definitions.
 420
 421 2003-10-22  Corinna Vinschen  <corinna@vinschen.de>
 422
 423         Accomodate moving cygserver header files from cygwin/include/cygwin
 424         to here and cygwin dir.
 425         * Makefile.in (EXEEXT): Drop as unused.
 426         (EXEEXT_FOR_BUILD): Ditto.
 427         (all): Don't build libcygserver.a.
 428         * cygserver_process.h: Moved from cygwin/include/cygwin to here.
 429         * cygserver_transport.h: Ditto.
 430         * cygserver_transport_pipes.h: Ditto.
 431         * cygserver_transport_sockets.h: Ditto.
 432         * ipc.h: Moved to ../cygwin and renamed to cygserver_ipc.h.
 433         * shm.h: Moved to ../cygwin and renamed to cygserver_shm.h.
 434
 435 2003-08-30  Christopher Faylor  <cgf@redhat.com>
 436
 437         * msg.cc: New file.
 438         * sem.cc: Ditto.
 439
 440 2003-08-30  Christopher Faylor  <cgf@redhat.com>
 441
 442         * threaded_queue.h: New file.
 443
 444 2003-08-25  Christopher Faylor  <cgf@redhat.com>
 445
 446         * Makefile.in: Build libcygserver.a.
 447         * client.cc: Rename allow_daemon to allow_server.
 448
 449 2003-07-25  Christopher Faylor  <cgf@redhat.com>
 450
 451         * configure.in: Use 'install-sh -c'.
 452         * configure: Regenerate.
 453
 454 2003-07-25  Christopher Faylor  <cgf@redhat.com>
 455
 456         * configure.in: Always use install-sh.
 457         * configure: Regenerate.
 458
 459 2003-07-01  Christopher Faylor  <cgf@redhat.com>
 460
 461         * Makefile.in (OBJS): Move some more files from cygwin directory.
 462         * woutsup.h: Define _MT_SAFE.
 463
 464 2003-07-01  Christopher Faylor  <cgf@redhat.com>
 465
 466         * configure.in: First pass.
 467         * Makefile.in: Ditto.
 468         * configure: Generate.