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* * exceptions.cc (_threadinfo::interrupt_now): Avoid double call to sigdelayed.Christopher Faylor2004-01-031-2/+1
| | | | | * pinfo.cc (_pinfo::commune_send): Avoid inexplicable test which caused most pids to be shown as "<defunct>" on Win9x.
* * exceptions.cc (try_to_debug): Fix off-by-one problem when resettingChristopher Faylor2003-12-271-3/+6
| | | | | | | environment variable after error_start detected. * fhandler_tty_slave.cc (fhandler_tty_slave::close): Clarify debug message. * syscalls.cc (setsid): Don't increment usecount here, since it will be automatically decremented on close.
* * path.cc (mount_item::build_win32): Backslashify paths in non-managed case.Christopher Faylor2003-12-261-3/+2
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* * exceptions.cc (set_signal_mask): Redefine to not pass by address. ReportChristopher Faylor2003-12-231-105/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | calculated mask in debugging output. * sigproc.h (set_signal_mask): Reflect above change in declaration. * path.cc (mount_item::build_win32): Take path apart before feeding it to fnmunge. Throughout, change use of _reent_winsup()-> to _my_tls.locals. instead. Throughout, remove obsolete MT_SAFE/_CYG_THREAD_FAILSAFE considerations. Througout, add cygtls.h include. * Makefile.in (DLL_OFILES): Add cygtls.o. Add some more objects to the -fomit-frame-pointer list. * acconfig.h: Remove obsolete settings. * config.h.in: Ditto. * bsdlib.cc: Add cygtls.h include. * configure.in: Remove --enable-extra-threadsafe-checking. * configure: Regenerate. * cygtls.h (_local_storage): New struct renamed from _winsup_t (sic). (_threadinfo:local_clib): Add new field. (_threadinfo::locals): Ditto. (_threadinfo::init_thread): Accept second _reent * argument. (_threadinfo::call): Define as regparm. (CYGTLS_PADSIZE): Remove unnecessary slop. (_getreent): Define as a macro. * thread.h: Remove _CYG_THREAD_FAILSAFE and MT_SAFE stuff. (_winsup_t): Move to cygtls.h. (ResourceLocks::ResourceLocks): Eliminate empty constructor. (MTinterface::reents): Eliminate. (MTinterface::thread_self_key): Eliminate. (MTinterface::MTinterface): Eliminate. * dcrt0.cc: Include stdio.h for _impure_ptr initialization. (do_global_ctors): Remove run_ctors_p (sic) considerations. Don't call atexit here. (__main): Initialize destructors for user here. (dll_crt0_1): Accept a dummy argument. Don't call init_thread here. Don't set _impure_ptr here. Call do_global_ctors after more things have been initialized. (_dll_crt0): Define zeros buffer as max of needed size of CYGTLS_PADSIZE so that it can be used for two purposes while minimizing stack usage. Initialize _impure_ptr specifically, for speed. Call dll_crt0_1 with buffer argument. (cygwin_dll_init): Call dll_crt0_1 with dummy argument. * dtable.cc (dtable::find_unused_handle): Remove call to AssertResourceOwner. * exceptions.cc: Move _threadinfo stuff to new file. * cygtls.cc: New file. * gentls_offsets: Accommodate increasing complexity of cygtls.h. * hires.h (hires_base::~hires_base): Remove. * init.cc (dll_entry): Remove setting of reents. * thread.cc: Remove syslog.h include. (__getreent): Simplify to use _my_tls. (_reent_winsup): Delete. (AssertResourceOwner): Delete. (MTinterface::Init): Remove setting of _clib and _winsup, with all that entails. (MTinterface::fixup_after_fork): Ditto. (pthread::thread_init_wrapper): Ditto. Also remove call to set_tls_self_pointer. (pthread::set_tls_self_pointer): Eliminate. (pthread::get_tls_self_pointer): Just return _my_tls.tid; (__reent_t::init_clib): Eliminate. * tlsoffsets.h: Regenerate.
* * pinfo.h (pinfo::operator ==): Add a way to check for _pinfo types.Christopher Faylor2003-12-171-1/+1
| | | | | * sigproc.cc (proc_subproc): Ensure that zombie is removed when SIGCHLD == SIG_IGN but still allow wait()ing threads to wake up.
* * exceptions.cc (set_signal_mask): Report on input argument rather thanChristopher Faylor2003-12-161-1/+1
| | | | | | | | | | | | | getsigmask. * fhandler.h (fhandler_base): Make friends with close_all_files. * pinfo.cc (_pinfo::set_ctty): Add more debugging. * sigproc.cc (proc_can_be_signalled): Detect state when signal handler thread is gone in target process as an EPERM situation. Set errno to ESRCH if process doesn't exist. (sigproc_terminate): Set sendsig to illegal value when closed. (sig_send): Rely on proc_can_be_signalled setting the proper errno. * syscalls.cc (close_all_files): Detect when all ttys are closed prior to calling close_all_files. The ctty needs to be closed explicitly in this case.
* * exceptions.cc (ctrl_c_handler): Remove this thread from the signal handlerChristopher Faylor2003-12-141-0/+1
| | | | chain.
* * cygthread.cc (cygthread::stub): Revert previous change and again subsumeChristopher Faylor2003-12-141-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cygthread::stub2. Just return from function now since ExitThread is guaranteed by automatic _threadinfo wrapper. Define as per ThreadProc convention. (cygthread::stub2): Remove. (cygthread::simplestub): Perform similar operations to cygthread::stub. (cygthread::simplestub2): Remove. * cygthread.h (cygthread::stub): Declare as per ThreadProc convention. (cygthread::stub2): Remove declaration. (cygthread::simplestub): Declare as per ThreadProc convention. (cygthread::simplestub2): Remove declaration. * cygtls.h (_threadinfo::call): Define first argument as per ThreadProc convention. (_threadinfo::call2): Ditto. (_tlsbase): Define as char * pointer. (_tlstop): New definition. (_main_tls): Define here. * dcrt0.cc (alloc_stack): Revert previous change which called init_thread since information would be overwritten by fork later anyway. (dll_crt0_1): Use _tlsbase and _tlstop for setting stack bottom, top. * exceptions.cc: Move _main_tls declaration to cygtls.h. (_threadinfo::call): Define first argument as per ThreadProc convention. (_threadinfo::call2): Call ExitThread with thread function return value. (_threadinfo::init_thread): Don't initialize cygtls to zero if input arg is NULL. * fork.cc (fork_child): Reset _main_tls here. Reinitialize parts of _my_tls after copying data from parent. * init.cc (threadfunc_fe): New function. Front-end for all threads created in cygwin processes. (munge_threadfunc): New function. (dll_entry): Call munge_threadfunc to force the call of a thread wrapper. * thread.cc (pthread::thread_init_wrapper): Perform similar operations to cygthread::stub. (pthread::thread_init_wrapper2): Remove. * thread.h (pthread::thread_init_wrapper): Declare as per ThreadProc convention. (pthread::thread_init_wrapper2): Remove declaration. * window.cc (Winmain): Just return from function now since ExitThread is guaranteed by automatic _threadinfo wrapper.
* * exceptions.cc (_threadinfo::remove): Avoid a linked list walk.Christopher Faylor2003-12-071-9/+7
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* * cygtls.h (_threadinfo::find_tls): New function.Christopher Faylor2003-12-071-2/+4
| | | | | * exceptions.cc (_threadinfo::find_tls): Rename from find_tls. Use critical section to protect access to linked list.
* * exceptions.cc (_threadinfo::remove): Avoid returning without unlockingChristopher Faylor2003-12-071-7/+8
| | | | critical section in the (hopefully impossible) case of an unrecognized thread.
* * cygtls.h: Add more "don't parse this" guards.Christopher Faylor2003-12-061-2/+16
| | | | | | | | | | | | | | | | | | | (_threadinfo::init_thread): Rename from 'init'. (_threadinfo::init): Declare new function. (_threadinfo::protect_linked_list): Declare new critical section. * dcrt0.cc (dll_crt0_1): Call init_thread to initialize thread stuff. (_dll_crt0): Call _threadinfo::init prior to invoking dll_crt0_1. * exceptions.cc (_threadinfo::init_thread): Rename from 'init'. (_threadinfo::init): Define new function. Protect linked list manipulation with new critical section. (_threadinfo::call): Reflect function name change. (_threadinfo::remove): Protect linked list manipulation with new critical section * gentls_offsets: Rework to allow multi-line "don't parse this" protection. * init.cc (dll_entry): Don't remove threads info stuff here since the remove function uses a critical section which can't be used during thread creation or destruction. * thread.cc (pthread::exit): Call _threadinfo remove function here.
* * exceptions.cc (setup_handler): Remove ill-advised debugging output.Christopher Faylor2003-12-051-4/+0
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* * cygthread.cc (cygthread::stub): Properly establish _threadinfo environment.Christopher Faylor2003-12-031-3/+16
| | | | | | | | | | | | | | | | | | | | | | | (cygthread::stub2): New function. (cygthread::simplestub): Ditto. (cygthread::simplestub2): New function. * cygthread.h (cygthread::stub2): Declare new function. (cygthread::simplestub2): Ditto. * cygtls.h (_threadinfo::call): Declare new function. (_threadinfo::call2): Ditto. * dcrt0.cc (dll_crt0_1): Accommodate new _threadinfo::init which doesn't return pointer to tls. (_dll_crt0): Remove obsolete DECLARE_TLS_STORAGE. (dll_crt0): Ditto. * exceptions.cc (_threadinfo::call): New function. (_threadinfo::call2): Ditto. (_threadinfo::init): Don't return pointer. * thread.cc (pthread::thread_init_wrapper): Properly establish _threadinfo environment. (pthread::thread_init_wrapper2): New function. * thread.h (pthread::thread_init_wrapper): Remove noreturn attribute (pthread::thread_init_wrapper2): Declare new function. * winbase.h: Remove obsolete code.
* * exceptions.cc (_threadinfo::pop): Zero *contents* of popped stack locationChristopher Faylor2003-11-301-2/+2
| | | | rather than the actual stack pointer.
* * pinfo.h (_pinfo::getthread2signal): Remove obsolete function.Christopher Faylor2003-11-291-2/+2
| | | | | | | | | * cygtls.h (_threadinfo): Define tid more precisely. (_threadinfo::operator HANDLE): Define. * exceptions.cc (_threadinfo::interupt_now): Use _threadinfo HANDLE operator to derive thread handle. (setup_handler): Ditto. * sigproc.cc: Reorganize includes.
* * pinfo.h (_pinfo::getsig): Remove obsolete function, here and throughout.Christopher Faylor2003-11-281-8/+8
| | | | | | | | | * exceptions.cc: Ditto. * fhandler_termios.cc: Ditto. * signal.cc: Ditto. * sigproc.cc: Ditto. * Makefile.in: Revert previous change which made a cygwin.din newer than a version.h a warning rather than an error.
* Eliminate use of sigframe and sigthread throughout.Christopher Faylor2003-11-281-318/+255
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Makefile.in (DLL_OFILES): Add sigfe.o. Remove reliance on cygwin.def from cygwin0.dll dependency since dependence on sigfe.o implies that. Generate def file on the fly using 'gendef'. * configure.in: Don't auto-generate cygwin.def. * configure: Regenerate. * cygwin.din: Add SIGFE stuff where appropriate. * dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup. Set _main_tls to address of the main thread's cygwin tls. * debug.h: Remove now unneeded WFSO and WFMO declarations. * exceptions.cc (_last_thread): Define. (set_thread_state_for_signals): New function. (reset_thread_exception_for_signals): Ditto. (init_thread_for_signals): Ditto. (delete_thread_for_signals): Ditto. (capture_thread_for_signals): Ditto. (handle_exceptions): Set return address explicitly for exceptions prior to calling sig_send. (interrupt_on_return): Eliminate. (setup_handler): Add preliminary implementation for dealing with thread-specific signals by querying _main_tls. (signal_exit): Use cygthread::main_thread_id instead of mainthread.id. (call_signal_handler_now): For now, just handle the main thread. * fork.cc (vfork): Save and restore main _my_tls. * gendef: New file. Generates def file and sigfe.s file. * gentls_offsets: New file. Generates offsets for perl to use in sigfe.s. * how-signals-work.txt: Mention that info is obsolete. * init.cc (dll_entry): Initialize cygwin tls storage here. * miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from asm. * perthread.h (vfork_save::tls): New element. * signal.cc (nanosleep): Replace previous use of sigframe.call_signal_handler_now with straight call to call_signal_handler_now. (abort): Ditto. * syscalls.cc (readv): Ditto. * termios.cc (tcsetattr): Ditto. * wait.cc (wait4): Ditto. * sigproc.cc (sig_dispatch_pending): Ditto. (sig_send): Ditto. * sigproc.h: Declare call_signal_handler_now. * thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls. Remove obsolete and unworking signal stuff. * thread.h (verifyable_object::sigs): Eliminate. (verifyable_object::sigmask): Eliminate. (verifyable_object::sigtodo): Eliminate. (verifyable_object::exit): Make attribute noreturn. (verifyable_object::thread_init_wrapper): Ditto. (pthread_null::exit): Ditto. * winbase.h (__stackbase): Always define. * winsup.h (low_priority_sleep): Declare as a "C" function. * include/cygwin/version.h: Bump API version to reflect sigwait export. * include/sys/queue.h: Protect SLIST_ENTRY from previous declaration. * signal.cc (sigwait): Implement. * select.cc (fhandler_base::ready_for_read): Add debugging output. * devices.h: Define more device pointers via their storage. * devices.in: Don't parse things like /dev/inet/tcp, as they really have no meaning. * devices.cc: Regenerate. * gendevices: Set proper protection for output file. * cygtls.h: New file. * gendef: New file. * gentls_offsets: New file. * tlsoffsets.h: New file. Autogenerated. * config/i386/longjmp.c: Remove. File subsumed by gendef output. * config/i386/makefrag: Remove obsolete file. * fhandler.cc: Remove spurious access_worker declaration. * spawn.cc (spawnve): Make debugging output more accurate. * cygwin-gperf: Remove. * devices.cc: Remove.
* 2003-11-11 Robert Collins <rbtcollins@hotmail.com>Robert Collins2003-11-141-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ron Parker <rdparker@butlermfg.com> * bsdlib.cc: Update throughout to use CYG_MAX_PATH rather than MAX_PATH. * cygheap.h: Ditto. * dcrt0.cc: Ditto. * delqueue.cc: Ditto. * dlfcn.cc: Ditto. * dll_init.cc: Ditto. * dll_init.h: Ditto. * dtable.cc: Ditto. * environ.cc: Ditto. * environ.h: Ditto. * exceptions.cc: Ditto. * external.cc: Ditto. * fhandler_disk_file.cc: Ditto. * fhandler_proc.cc: Ditto. * fhandler_process.cc: Ditto. * fhandler_raw.cc: Ditto. * fhandler_registry.cc: Ditto. * fhandler_socket.cc: Ditto. * fhandler_virtual.cc: Ditto. * miscfuncs.cc: Ditto. * mmap.cc: Ditto. * netdb.cc: Ditto. * path.cc: Ditto. * path.h: Ditto. * pinfo.cc: Ditto. * pinfo.h: Ditto. * pthread.cc: Ditto. * registry.cc: Ditto. * shared.cc: Ditto. * shared_info.h: Ditto. * smallprint.c: Ditto. * spawn.cc: Ditto. * strace.cc: Ditto. * syscalls.cc: Ditto. * thread.h: Ditto. * uinfo.cc: Ditto. * winsup.h: Ditto. * include/limits.h: Ditto. * include/cygwin/config.h: Ditto. * include/sys/param.h: Ditto.
* * external.cc (cygwin_internal): Add CW_GET_POSIX_SECURITY_ATTRIBUTECorinna Vinschen2003-11-041-14/+0
| | | | | | | | | | handling. * include/cygwin/version.h: Bump API minor number. * include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_POSIX_SECURITY_ATTRIBUTE. * exceptions.cc (init_global_security): Move from here... * sec_helper.cc (init_global_security): ...to here.
* * exceptions.cc (ctrl_c_handler): Don't send SIGHUP onCorinna Vinschen2003-10-141-5/+17
| | | | | | CTRL_LOGOFF_EVENT to processes running in invisible Windows Stations. * window.cc (has_visible_window_station): New function. * winsup.h: Add declaration for has_visible_window_station.
* 2003-09-26 Pierre Humblet <pierre.humblet@ieee.org>Pierre Humblet2003-09-271-1/+1
| | | | | | | | * pinfo.cc (pinfo::init): Do not give FILE_MAP_WRITE access to Everybody. * exceptions.cc (sig_handle_tty_stop): Do not create pinfo parent with PID_MAP_WRITE. * fhandler_process.cc (fhandler_process::fill_filebuf): Ditto for pinfo p. * signal.cc (kill_worker): Ditto for pinfo dest.
* * devices.cc: New file.Christopher Faylor2003-09-251-29/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * devices.gperf: New file. * devices.shilka: New file. * cygwin-gperf: New file. * cygwin-shilka: New file. * fhandler_fifo.cc: New file. * fhandler_nodevice.cc : New file. Reorganize headers so that path.h precedes fhandler.h throughout. Remove device argument and unit arguments from fhandler constructors throughout. Remove pc arguments to fhandler functions and use internal pc element instead, throughout. Use dev element in pc throughout. Use major/minor elements rather than units and device numbers previously in fhandler class. Use correct methods for fhandler file names rather than directly accessing file name variables, throughout. * Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o * dcrt0.cc (dll_crt0_1): Call device::init. * devices.h: Renumber devices based on more Linux-like major/minor numbers. Add more devices. Declare standard device storage. (device): Declare struct. * dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type. * dtable.cc (dtable::get_debugger_info): Ditto. (cygwin_attach_handle_to_fd): Ditto. (dtable::release): Remove special FH_SOCKET case in favor of generic "need_fixup_before" test. (dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name to build standard fhandler. (dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name. Move out of dtable class. Don't accept a path_conv argument. Just build it here and pass it to: (build_fh_pc): Renamed from dtable::build_fhandler. Move out of dtable class. Use intrinsic device type in path_conv to create new fhandler. (build_fh_dev): Renamed from dtable::build_fhandler. Move out of dtable class. Simplify arguments to just take new 'device' type and a name. Just return pointer to fhandler rather than trying to insert into dtable. (dtable::dup_worker): Accommodate above build_fh name changes. (dtable::find_fifo): New (currently broken) function. (handle_to_fn): Use strechr for efficiency. * dtable.h: Reflect above build_fh name changes and argument differences. (fhandler_base *&operator []): Return self rather than copy of self. * fhandler.cc (fhandler_base::operator =): Use pc element to set normalized path. (fhandler_base::set_name): Ditto. (fhandler_base::raw_read): Use method to access name. (fhandler_base::write): Correctly use get_output_handle rather than get_handle. (handler_base::device_access_denied): New function. (fhandler_base::open): Eliminate pc argument and use pc element of fhandler_base throughout. (fhandler_base::fstat): Detect if device is based in filesystem and use fstat_fs to calculate stat, if so. (fhandler_base::fhandler_base): Eliminate handling of file names and, instead, just free appropriate component from pc. (fhandler_base::opendir): Remove path_conv parameter. * fhandler.h: Remove all device flags. (fhandler_base::pc): New element. (fhandler_base::set_name): Change argument to path_conv. (fhandler_base::error): New function. (fhandler_base::exists): New function. (fhandler_base::pc_binmode): New function. (fhandler_base::dev): New function. (fhandler_base::open_fs): New function. (fhandler_base::fstat_fs): New function. (fhandler_base::fstat_by_name): New function. (fhandler_base::fstat_by_handle): New function. (fhandler_base::isfifo): New function. (fhandler_base::is_slow): New function. (fhandler_base::is_auto_device): New function. (fhandler_base::is_fs_special): New function. (fhandler_base::device_access_denied): New function. (fhandler_base::operator DWORD&): New operator. (fhandler_base::get_name): Return normalized path from pc. (fhandler_base::get_win32_name): Return windows path from pc. (fhandler_base::isdevice): Renamed from is_device. (fhandler_base::get_native_name): Return device format. (fhandler_fifo): New class. (fhandler_nodevice): New class. (select_stuff::device_specific): Remove array. (select_stuff::device_specific_pipe): New class element. (select_stuff::device_specific_socket): New class element. (select_stuff::device_specific_serial): New class element. (select_stuff::select_stuff): Initialize new elements. * fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class from fhandler_disk_file. (fhandler_base::fstat_by_name): Ditto. (fhandler_base::fstat_by_name): Ditto. (fhandler_disk_file::open): Move most functionality into fhandler_base::open_fs. (fhandler_base::open_fs): New function. (fhandler_disk_file::close): Move most functionality into fhandler_base::close_fs. (fhandler_base::close_fs): New function. * fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging output. * fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard urandom device into appropriate place. (fhandler_socket::accept): Reflect change in fdsock return value. * fhandler_tty.cc: See "throughouts" above. * net.cc: Accommodate fdsock change throughout. (fdsock): Return success or failure, accept fd argument and device argument. * path.cc (symlink_info::major): New element. (symlink_info::minor): New element. (symlink_info::parse_device): Declare new function. (fs_info::update): Accommodate changes in path_conv class. (path_conv::fillin): Ditto. (path_conv::return_and_clear_normalized_path): Eliminate. (path_conv::set_normalized_path): New function. (path_conv::path_conv): Set info in dev element. Use path_conv methods Check for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff. where appropriate rather than direct access. Use set_normalized_path to set normalized path. (windows_device_names): Eliminate. (get_dev): Ditto. (get_raw_device_number): Ditto. (get_device_number): Ditto. (win32_device_name): Call new device name parser to do most of the heavy lifting. (mount_info::conv_to_win32_path): Fill in dev field as appropriate. (symlink_worker): Handle new device files. (symlink_info::check): Ditto. (symlink_info::parse_device): Define new function. * path.h (executable_states): Move here from fhandler.h. (fs_info): Rename variables to *_storage and create methods for accessing same. (path_conv): Add dev element, remove devn and unit and adjust inline methods to accommodate. (set_normalized_path): Declare new function. * pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos. (_pinfo::commune_send): Ditto. * pipe.cc (fhandler_pipe::close): check for existence of handle before closing it. (handler_pipe::create): Rename from make_pipe. Change arguments to accept fhandler_pipe array. Accommodate fifos. (pipe): Rework to deal with fhandler_pipe::create changes. (_pipe): Ditto. * select.cc: Use individual device_specific types throughout rather than indexing with obsolete device number. (set_bits): Use is_socket call rather than checking device number. * shared_info.h (CURR_MOUNT_MAGIC): Update. (conv_to_win32_path): Reflect addition of device argument. * syscalls.cc (mknod_worker): New function. (open): Use build_fh_name to build fhandler. (chown_worker): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. (chmod_device): New function. (chmod): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. Use chmod_device to set mode of in-filesystem devices. (stat_worker): Eliminate path_conv argument. Call build_fh_name to construct fhandler. Use fh->error() rather than pc->error to detect errors in fhandler construction. (access_worker): New function pulled from access. Accommodate in-filesystem devices. (access): Use access_worker. (fpathconf): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. (mknod_worker): New function. (mknod32): New function. (chroot): Free normalized path -- assuming it was actually cmalloced. * tty.cc (create_tty_master): Tweak for new device class. (tty::common_init): Ditto. * winsup.h (stat_worker): Remove. (symlink_worker): Declare. * exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't worry about pending_signals since sig_dispatch_pending should always do the right thing now. (sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3. * pinfo.h: Move __SIG enum to sigproc.h. (PICOM_FIFO): New enum element. (_pinfo): Remove 'thread2signal' stuff throughout class. (_pinfo::commune_send): Make varargs. (_pinfo::sigtodo): Eliminate. (_pinfo::thread2signal): Ditto. * signal.cc (kill_worker): Eliminate call to setthread2signal. * sigproc.cc (local_sigtodo): Eliminate. (getlocal_sigtodo): Ditto. (sigelem): New class. (pending_signals): New class. (sigqueue): New variable, start of sigqueue linked list. (sigcatch_nonmain): Eliminate. (sigcatch_main): Eliminate. (sigcatch_nosync): Eliminate. (sigcomplete_nonmain): Eliminate. (pending_signals): Eliminate. (sig_clear): Call signal thread to clear pending signals, unless already in signal thread. (sigpending): Call signal thread to get pending signals. (sig_dispatch_pending): Eliminate use of pending_signals and just check sigqueue. (sigproc_terminate): Eliminate all of the obsolete semaphore stuff. Close signal pipe handle. (sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send signals. (getevent): Eliminate. (pending_signals::add): New function. (pending_signals::del): New function. (pending_signals::next): New function. (wait_sig): Eliminate all of the obsolete semaphore stuff. Use pipe to communicate and maintain a linked list of signals. * sigproc.h: Move __SIG defines here. Add __SIGPENDING. (sig_dispatch_pending): Remove "C" specifier. (sig_handle): Accept a mask argument. * thread.cc: Remove signal handling considerations throughout.
* * exceptions.cc (sig_handle_tty_stop): Fix boneheaded mistake by using correctChristopher Faylor2003-09-161-1/+1
| | | | check for parent state rather than inverted check.
* * include/sys/cygwin.h: Rename PID_UNUSED to PID_MAP_RW.Christopher Faylor2003-09-131-1/+1
| | | | | | | | | * pinfo.cc (pinfo_init): Initialize myself->gid. (pinfo::init): Create the "access" variable, set it appropriately and use it to specify the requested access. * exceptions.cc (sig_handle_tty_stop): Add PID_MAP_RW in pinfo parent. * signal.cc (kill_worker): Ditto for pinfo dest. * syscalls.cc (setpgid): Ditto for pinfo p.
* * dcrt0.cc (_dll_crt0): Accommodate breaking apart of early_stuff_init.Christopher Faylor2003-09-121-3/+10
| | | | | | | | | | | | | | | * exceptions.cc (early_stuff_init): Delete. (init_console_handler): New function - top half of early_stuff_init. (init_global_security): New function - bottom half of early_stuff_init. (sig_handle): Avoid special hExeced test for SIGINT. Just terminate the captive process. (signal_exit): Add debugging output. * fhandler_tty.cc (fhandler_tty_slave::open): Don't allocate a console if one already seems to exist. Properly initialize ctrl-c handling if we do allocate a console. * winsup.h (early_stuff_init): Delete declaration. (init_console_handler): New declaration. (init_global_security): New declaration.
* * exceptions.cc (sig_handle_tty_stop): Check parent PID_NOCLDSTOP rather thanChristopher Faylor2003-09-101-1/+1
| | | | erroneously checking *my own* sigtodo.
* * dcrt0.cc (dlL_crt0_1): Set __argc_safe after __argc is absolutely know to beChristopher Faylor2003-09-091-5/+4
| | | | | | | | | | | set. * exceptions.cc (sig_handle_tty_stop): Don't reset sigCONT event since it is reset automatically. * fork.cc (fork): Remove obsolete usage of PID_SPLIT_HEAP. * include/sys/cygwin.h: Ditto. * sigproc.cc (sig_send): Use sigframe init method to set frame since it checks for previous ownership of the frame. * sigproc.h (sigframe::init): Accept an "is_exception" argument.
* * exceptions.cc (set_process_mask): Set pending signals only when signalsChristopher Faylor2003-09-031-3/+7
| | | | | | | | | | | | become unmasked. * sigproc.cc (pending_signals): Flip back to a global. (wait_sig): Don't set pending signals when there is an armed semaphore or signal is blocked. * shared.cc (shared_info::initialize): Add a username parameter for user-mode mounts. Reorganize to try to avoid startup race. (memory_init): Move some stuff into shared_info::initialize. * shared_info.h (shared_info::initialize): Change declaration. (CURR_SHARED_MAGIC): Update.
* * cygheap.cc (cygheap_init): Allocate space for sigaction array in cygheap.Christopher Faylor2003-09-011-12/+0
| | | | | | | | | | | | | | | | | | * cygheap.h (cygheap_types): Add HEAP_SIGS. * exceptions.cc (signal_fixup_after_exec): Remove from this file. * pinfo.h (pinfo::getsig): Just return global_sigs array. (pinfo::sigs): Delete. * sigproc.cc (signal_fixup_after_exec): Move it here. (global_sigs): New global array, moved from pinfo structure. (sigalloc): New function. Allocate global sigaction array here. (proc_subproc): Remove copysigs call. It's automatic now. * include/sys/cygwin.h (PID_NOCLDSTOP): New value. * signal.cc (sigaction): Set myself->PID_NODCLDSTOP when appropriate. * sigproc.h (sigalloc): Declare. * fnmatch.c (fnmatch): Use C90 parameters. (rangematch): Ditto. * fhandler.cc (fhandler_base::raw_read): Use right coercion to avoid a compiler warning.
* * Makefile.in (MALLOC_OFILES): Always fill in with correct malloc object.Christopher Faylor2003-08-311-1/+0
| | | | | | | | | | | | | | | * configure.in: Fill in MALLOC_OFILES with either debugging or regular malloc. * configure: Regenerate. * dlmalloc.c: Make various fruitless changes to attempt to get to work. * dlmalloc.h: Ditto. * malloc.cc (free): Check malloc pool when debugging. * path.cc (win32_device_name): Eliminate compiler warning. * sigproc.cc (sig_dispatch_pending): Remove use of was_pending. Let thisframe.call_signal_handler decide if handler should be called rather than using bogus was_pending check. * exceptions.cc (interrupt_setup): Remove accidentally checked in debugging code. * heap.cc (sbrk): Save rounded addess in user_heap_max.
* * sigproc.cc (sig_dispatch_pending): Remove explicit call toChristopher Faylor2003-08-301-0/+1
| | | | thisframe.call_signal_handler.
* * exceptions.cc (sigreturn): Fix problem where old return address was notChristopher Faylor2003-08-291-5/+7
| | | | properly restored for a nested signal.
* * syscalls.cc (mount): Don't check win32_path when doing cygdrive mount.Christopher Faylor2003-08-281-20/+14
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* * exceptions.cc (sigreturn): Don't clobber ebp in recursive signal calls.Christopher Faylor2003-08-221-3/+3
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* * exceptions.cc (sig_handle): Change so that default signals indicate success.Christopher Faylor2003-08-221-1/+1
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* * exceptions.cc (interrupt_setup): Set sigsave.sig last to avoid a race.Christopher Faylor2003-08-201-1/+1
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* * sigproc.cc (wait_sig): Ensure that myself->getsigtodo array is flushed on aChristopher Faylor2003-08-201-4/+5
| | | | | __SIGFLUSH. Christopher Faylor <cgf@redhat.com> * exceptions.cc (_sigreturn): Handle nested signals without growing the stack.
* * exceptions.cc (pending_signals): Remove unneeded declaration.Christopher Faylor2003-08-201-1/+0
| | | | | | | | | | * sigproc.cc (pending_signals): Make static. (wait_sig): Use defined values rather than integers for rc. Never scan both todo arrays as this could cause hangs if signals arrive from two different sources. Rename saw_pending_signals to saw_failed_interrupt. Exit loop when signal found. Enter low-priority sleep, if necessary, after finished signalling completion. Set pending_signals when blocked (from Pierre Humblet).
* Throughout, eliminate argument to sig_dispatch_pending.Christopher Faylor2003-08-191-13/+7
| | | | | | | | | | | | | | | | | * exceptions.cc (setup_handler): Move non-interruptible condition handling (back) to wait_sig (as suggested by Pierre Humblet). (set_process_mask): Don't worry about calling sig_dispatch_pending from sigthread since it is detected in the function anyway. (sig_handle): Eliminate thisproc arg. Don't call sig_dispatch_pending on SIGCONT since that should happen automatically. * sigproc.cc (sig_dispatch_pending): Eliminate justwake argument. Just return when called from sigthread. (wait_sig): Change some variables to bool. Change inner while to an if. Move uninterruptible signal handling here. (sigproc_terminate): Don't call sig_dispatch_pending. Just increment semaphore on exit. * speclib: Use slightly different (but still flawed) method for determining symbols to extract from libraries.
* * exceptions.cc (sigdelayed): Fix race where signal handler could get the wrongChristopher Faylor2003-08-191-2/+2
| | | | mask.
* * exceptions.cc (ctrl_c_handler): Send SIGHUP when events occur only if thereChristopher Faylor2003-07-261-4/+8
| | | | | | | | | | | | is a tty associated with the process. Send SIGHUP on CTRL_LOGOFF_EVENT. * fhandler_tty.cc (fhandler_tty_slave::open): Adjust console open handle counter regardless of whether this is a pty or tty. (fhandler_tty_slave::open): Ditto. (fhandler_tty_slave::dup): Ditto. (fhandler_tty_common::set_close_on_exec): Ditto. (fhandler_tty_master::init_console): Decrement console open handle counter after init since it will now be handled by all tty open. * syscalls.cc (setsid): Rework debugging output slightly.
* Throughout, remove "include <errno.h>" from files which already includeChristopher Faylor2003-06-161-1/+0
| | | | | | | | | | | | | | | | | | | cygerrno.h. * include/cygwin/config.h (__DYNAMIC_REENT__): Define. * include/cygwin/version.h: Bump API minor version. * cygwin.din: Export __getreent * cygerrno.h: Include errno.h. Fix places where _impure_ptr is used directly to store the errno value. * debug.cc (__set_errno): Ditto. * errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled. * signal.cc: Rename _reent_clib to _REENT throughout. * thread.h (reent_clib): Remove prototype. * thread.cc (reent_clib): Rename reent_clib to __getreent. Return _impure_ptr until MTinterface is initialized. (reent_winsup): Fix a possible SEGV when _r == NULL. Return NULL instead. * MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep signal handling running when fork is called from a thread other than the mainthread.
* * exceptions.cc (ctrl_c_handler): Don't send a signal onCorinna Vinschen2003-06-121-0/+6
| | | | CTRL_SHUTDOWN_EVENT. Add a comment to rationalize the patch.
* * spawn.cc (spawn_guts): Call CreateProcess while impersonated,Corinna Vinschen2003-06-091-1/+1
| | | | | | | | | | when the real {u,g}ids and the groups are original. Move RevertToSelf and ImpersonateLoggedOnUser to the main line. * uinfo.cc (uinfo_init): Reorganize. If CreateProcess was called while impersonated, preserve the uids and gids and call ImpersonateLoggedOnUser. Preserve the uids and gids on Win9X. * exceptions.cc (error_start_init): Quote the pgm in the command.
* * cygheap.cc (init_cheap): Temporarily remove inline that newer gcc's haveChristopher Faylor2003-05-301-3/+2
| | | | | | problems with. * path.cc (path_conv::check): Rework has_acls logic slightly. Uncouple exec tests away from filesystem tests.
* * shared_info.h: Match shared_name declaration with below change.Corinna Vinschen2003-05-211-1/+3
| | | | | | | | | | | * shared.cc (shared_name): Use incoming char * parameter instead of local static buffer. (open_shared): Accomodate new calling convention for shared_name. * exceptions.cc (events_init): Ditto. * sigproc.cc (getsem): Ditto. * syscalls.cc (login): Ditto. (logout): Ditto. (pututline): Ditto.
* * Makefile.in: Add finline-functions optimization to CXXFLAGS.Thomas Pfaff2003-04-171-3/+1
| | | | | | | | | | | | | | | | * autoload.cc (LoadDLLprime): Rename std_dll_init to _std_dll_init. (std_dll_init): Remove name mangling prototype. Add attributes used and noinline. (wsock_init): Ditto. Change wsock_init to _wsock_init in wsock32 and ws2_32 LoadDLLprime. * exceptions.cc (unused_sig_wrapper): Remove prototype. Add attributes used and noinline. * pwdgrp.h ((pwdgrp (passwd *&)): Remove inline code. (pwdgrp (__group32 *&)): Ditto. * grp.cc (pwdgrp (passwd *&)): Outline constructor. (pwdgrp (__group32 *&)): Ditto.
* * exceptions.cc (setup_handler): Make sure winapi lock is released when exitingChristopher Faylor2003-03-311-0/+1
| | | | loop.
* * sigproc.h (signal_fixup_after_exec): Eliminate argument in declaration.Christopher Faylor2003-03-201-2/+2
| | | | | | | | | * exceptions.cc (signal_fixup_after_exec): Eliminate argument in definition. Don't reset signal handlers after spawm. Just treat like fork/exec. * dcrt0.cc (dll_crt0_1): Don't pass PROC_SPAWN argument to signal_fixup_after_exec. * syscalls.cc (unlink): Don't change attributes of file if not readonly/system. Ditto for resetting of arguments.
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