summaryrefslogtreecommitdiffstats
path: root/winsup/cygwin/select.cc
Commit message (Collapse)AuthorAgeFilesLines
* * select.cc (start_thread_socket): Remove attempt to delay reading of exitsockChristopher Faylor2004-10-201-6/+5
| | | | | or suffer occasional mysterious 60 second hangs. (socket_cleanup): Empty the exitsock here after the thread has terminated.
* revert erroneous checkinChristopher Faylor2004-10-201-7/+4
|
* * fhandler_console.cc (fhandler_console::fixup_after_exec): Fix error message.Christopher Faylor2004-10-201-4/+7
|
* * select.cc (start_thread_socket): Remove unused code.Christopher Faylor2004-10-131-6/+0
|
* * cygtls.h (exitsock): New element.Christopher Faylor2004-10-111-56/+41
| | | | | | | | | | | | (exitsock_sin): Ditto. * cygtls.cc (_cygtls::init_thread): Initialize exitsock to invalid handle. (_cygtls::call2): Close exitsock if it is valid. * select.cc (struct socketinf): Remove sin element. (start_thread_socket): Initialize one SOCK_DGRAM socket per thread instead of (apparently) expensive opening and closing of socket with each select call. (socket_cleanup): Send a byte to the exitsock socket as a way to potentially signal a waiting-for-socket thread to exit. * tlsoffsets.h: Regenerate.
* * exceptions.cc: (ctrl_c_handler): Do nothing while a Cygwin subprocess isChristopher Faylor2004-09-121-52/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | | starting. * child_info.h (init_child_info): Remove pid argument from declaration. * cygheap.h (init_cygheap::pid): New element. * dcrt0.cc (dll_crt0_0): Eliminate handling of now-noexistent cygpid parameter in child_info struct. Set forkee to 'true' rather than cygpid since the pid value was never used. (dll_crt0_1): Ditto. (_dll_crt0): Ditto. * fork.cc (fork_child): Don't wait for sigthread. This is handled in the fork call now. (fork_parent): Remove obsolete pid argument from init_child_info call. Don't do anything special with cygpid when DEBUGGING. (fork): Delay all signals during fork. (fork_init): Don't do anything special when DEBUGGING. * pinfo.cc (set_myself): Remove pid parameter. Use new pid field in cygheap. (pinfo_init): Don't pass pid argument to set_myself. * sigproc.cc (sig_send): Wait for dwProcessId to be non-zero as well as sendsig. (init_child_info): Eliminate handling of pid. (wait_sig): Implement method to temporarily hold off sending signals. * sigproc.h (__SIGHOLD): New enum. (__SIGNOHOLD): Ditto. * spawn.cc (spawn_guts): Remove obsolete pid argument from init_child_info call.
* Christopher Faylor <cgf@timesys.com>Christopher Faylor2004-09-031-15/+77
| | | | | | | | | | | | | | | | | | | | * autoload.cc (NtQueryInformationFile): Return nonzero on error. * ntdll.h (FILE_PIPE_LOCAL_INFORMATION): Add. (NtQueryInformationFile): Fix types for last two arguments. * pipe.cc: Include stdlib.h, limits.h, and ntdll.h. (create_selectable_pipe): New function to create a pipe that can be used with NtQueryInformationFile for select. (fhandler_pipe::create): Call create_selectable_pipe instead of CreatePipe. (pipe): Use DEFAULT_PIPEBUFSIZE as argument to create_pipe. * select.cc: Include limits.h and ntdll.h. (peek_pipe): Add select_printf output. Call NtQueryInformationFile to implement select for write on pipes. (fhandler_pipe::select_read): Reorder field assignments to be consistent with fhandler_pipe::select_write. (fhandler_pipe::select_write): Initialize startup, verify, cleanup, and write_ready fields for select_record. (fhandler_pipe::select_except): Tweak indentation to be consistent with fhandler_pipe::select_write.
* * select.cc (select_stuff::wait): Correctly check for w4 array bounds.Christopher Faylor2004-08-101-1/+1
|
* * Use new unified status_flag accessor methods from classes fhandler_*,Corinna Vinschen2004-04-101-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | tty_min, mtinfo and fs_info thoroughout. * fhandler.h: Redefine all set_close_on_exec methods to take a bool argument. (enum conn_state): Rename from connect_state. (class fhandler_base): Rename some status flags to align with accessor method names. Drop encoded flag entirely. Unify status accessor methods. Const'ify all read accessor methods. (class fhandler_socket): Ditto. (class fhandler_dev_raw): Ditto. * fhandler_disk_file.cc (fhandler_base::fstat_fs): Use fs.fs_is_fat() instead of evaluating FATness of file system here. (fhandler_disk_file::opendir): Drop call to set_encoded(). (fhandler_disk_file::readdir): Use pc.isencoded() directly. * mtinfo.h (class mtinfo_drive): Const'ify all read accessor methods. * path.cc (fsinfo_cnt): Add. (fs_info::update): Accomodate class changes. Evaluate file system name specific flags right here. Add thread safety for reading and writing global fsinfo array. * path.h (enum path_types): Drop values for flags kept in fs already. (struct fs_info): Move status informatin into private struct type status_flags. Add accessor methods. Remove path and file system name string arrays in favor of status bits. (class path_conv): Use new fs_info status information where appropriate. (path_conf::fs_has_ea): Rename from fs_fast_ea. (path_conf::fs_has_acls): New method. (path_conf::root_dir): Remove. (path_conf::volname): Remove. * syscalls (statfs): Evaluate root dir locally. * tty.h (class tty_min): Unify status accessor methods. Const'ify all read accessor methods.
* * fhandler.cc (fhandler_base::write): Use bool parameter in calls toCorinna Vinschen2004-04-091-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | set_did_lseek. (fhandler_base::fhandler_base): Accomodate new status and open_status constructor. * fhandler.h: Remove status bit enumerator. (FHDEVN): Remove. (FHISSETF): Remove. (FHSETF): Remove. (FHCLEARF): Remove. (FHCONDSETF): Remove. (FHSTATOFF): Remove. (UNCONNECTED, CONNECT_PENDING, CONNECTED): Substitute by enum connect_state. (fhandler_base::status): Define as bitfield struct type status_flags. Remove unused flags entirely. Accomodate all status access methods. (open_status): Define as bitfield struct type status_flags. (fhandler_socket): Move socket related status bits to here. Redefine had_connect_or_listen to be part of these status bits. Accomodate related access methods. * fhandler_disk_file.cc (fhandler_base::fstat_helper): Use pc.issymlink instead of dropped method get_symlink_p. (fhandler_base::open_fs): Remove setting dropped status flags. * fhandler_socket.cc: Use values from enum connect_state throughout. (fhandler_socket::fhandler_socket): Initialize status bits. * fhandler_virtual.cc (fhandler_virtual::open): Remove setting dropped status flags. * net.cc: Use values from enum connect_state throughout. * select.cc: Ditto. * shared_info.h: Protect struct console_state using _FHANDLER_H_ instead of FHDEVN.
* * 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.
* Change use of BOOL, TRUE, FALSE to bool, true, false, as appropriate,Christopher Faylor2003-12-071-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | throughout. * tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit some comments. * cygheap.h (init_cygheap::ctty): Add new element. * devices.in (device::parse): Remove special handling for /dev/tty. * devices.cc: Regenerate. * dtable.cc (build_fh_pc): Don't reset /dev/tty device. Let the device opener do that. * fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class. * fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting noninherit flag for ctty. * tty.h: Move BOOLs to bools. (tty_min::set_ctty): Redeclare to _pinfo class. * pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty. Change first argument from tty number to tty_min class. * pinfo.h (_pinfo::set_ctty): Declare. * fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of set_ctty to _pinfo class. * fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially. Use saved cygheap value if it exists. Otherwise convert to real device and save on first time open. (fhandler_tty_common::dup): Potentially set controlling tty if duping a slave tty. * syscalls.cc (setsid): Close controlling tty in cygheap. * tty.cc: Change some BOOLs to bools.
* Eliminate use of sigframe and sigthread throughout.Christopher Faylor2003-11-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* * devices.cc: New file.Christopher Faylor2003-09-251-17/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* 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.
* * select.cc (fhandler_pipe::ready_for_read): Assure that get_guard is calledChristopher Faylor2003-04-231-4/+8
| | | | for successful non-blocking pipe reads.
* Do some minor reformatting of 'extern "C"' use throughout.Christopher Faylor2003-03-091-2/+1
| | | | | | | | | | | | | * autoload.cc (GetSystemTimes): Define new autoload function. * fhandler_proc.cc (proc_listing): Add cpuinfo and partitions entries. (fhandler_proc::fill_filebuf): Add PROC_CPUINFO and PROC_PARTITIONS cases. (format_proc_uptime): Use GetSystemTimes if available. (read_value): New macro. (print): New macro. (cpuid): New function. (can_set_flag): New function. (format_proc_cpuinfo): New function. (format_proc_partitions): New function.
* Eliminate most unneeded this-> pointers throughout.Christopher Faylor2003-02-041-1/+1
|
* * cygthread.h (cygthread::stack_ptr): New element.Christopher Faylor2002-12-111-18/+28
| | | | | | | | | | | | | | | | | | | (cygthread::detach): Accept a "wait_for_signal" argument. (cygthread::terminate_thread): New function. * cygthread.cc (cygthread::stub): Set stack pointer argument. (cygthread::terminate_thread): New function. Forcibly terminate thread. (cygthread::detach): Optionally wait for signals and kill thread when signal arrives. * exceptions.cc (signal_exit): Set signal_arrived prior to exiting to wake up anything blocking on signals. * fhandler.h (fhandler_base::set_r_no_interrupt): Change to accept bool argument. (fhandler_pipe::ready_for_read): Declare. * pipe.cc (pipeargs): New structure. (read_pipe): New thread stub wrapper for normal pipe read. (fhandler_pipe::read): Modify to call reader in a cygthread, terminating on signal, as appropriate. * select.cc (fhandler_pipe::ready_for_read): Define new function.
* * select.cc (peek_serial): Don't call PurgeComm() to avoid characters loss.Christopher Faylor2002-11-151-4/+0
|
* whitespaceChristopher Faylor2002-09-301-3/+3
|
* More GNUify non-GNU formatted functions calls throughout.Christopher Faylor2002-09-231-14/+14
|
* * fhandler.cc (fhandler_base::dup): Don't set handle on failure. Caller hasChristopher Faylor2002-09-221-4/+4
| | | | | | | already taken care of that. * fhandler_console.cc (fhandler_console::open): Initialize handles to NULL. (fhandler_console::close): Ditto. GNUify non-GNU formatted functions calls throughout.
* (inspired by a patch from Egor Duda)Christopher Faylor2002-08-311-34/+0
| | | | | | | | * select.cc (fhandler_tty_slave::ready_for_read): Remove. * fhandler.h (fhandler_tty_slave::ready_for_read): Remove declaration. * fhandler_tty.cc (fhandler_tty_slave::read): Don't do anything special with vtime when vmin == 0. * autoload.cc (GetConsoleWindow): Correct parameter count.
* * fhandler.h (fhandler_console::send_winch_maybe): New method.Christopher Faylor2002-08-191-9/+13
| | | | | | | | | * fhandler_console.cc (set_console_state_for_spawn): Remove if 0'ed code. (fhandler_console::send_winch_maybe): Define new method. (fhandler_console::read): Use send_winch_maybe where appropriate. (fhandler_console::init): Just call all tcsetattr rather than output_tcsetattr. * select.cc (peek_console): Reorganize so that send_winch_maybe is called for everything but keyboard input.
* * Makefile.in (DLL_OFILES): Add cygthread.o.Christopher Faylor2002-08-011-19/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * dcrt0.cc (dll_crt0_1): Eliminate various thread initialization functions in favor of new cygthread class. * debug.cc: Remove thread manipulation functions. * debug.h: Ditto. * external.cc (cygwin_internal): Use cygthread method for determining thread name. Remove capability for setting thread name. * fhandler_console.cc (fhandler_console::read): Use cygthread method rather than iscygthread function. * fhandler_tty.cc (fhandler_tty_master::fhandler_tty_master): Use cygthread methods to create threads. (fhandler_tty_common::__acquire_output_mutex): Use cygthread method to retrieve thread name. * select.cc (pipeinf): Use cygthread pointer rather than handle. (start_thread_pipe): Ditto. (pipe_cleanup): Ditto. (serialinf): Ditto. (start_thread_serial): Ditto. (serial_cleanup): Ditto. (socketinf): Ditto. (start_thread_socket): Ditto. (socket_cleanup): Ditto. * sigproc.cc (hwait_sig): Ditto. (hwait_subproc): Ditto. (proc_terminate): Ditto. (sigproc_terminate): Ditto. (sigproc_init): Initialize cygthread hwait_sig pointer. (subproc_init): Initialize cygthread hwait_subproc pointer. (wait_sig): Rely on cygthread HANDLE operator. * strace.cc (strace::vsprntf): Use cygthread::name rather than threadname. * window.cc (gethwnd): Use cygthread method to initialize thread.
* * fhandler_console.cc (fhandler_console::read): Use appropriate kill_pgrpChristopher Faylor2002-07-291-1/+1
| | | | | | | | | method. * select.cc (peek_console): Ditto. * fhandler_termios.cc (fhandler_termios::bg_check): Send "stopped" signal to entire process group as dictated by SUSv3. * termios.cc (tcsetattr): Detect when stopped signal sent and force a stop before setting anything.
* * fhandler.h (fhandler_socket::is_unconnected): Constify.Corinna Vinschen2002-07-061-7/+21
| | | | | | | | | | | | | | | | | | | (fhandler_socket::is_connect_pending): Ditto. (fhandler_socket::is_connected): Ditto. (fhandler_socket::set_connect_state): New method. (struct select_record): Add member `except_on_write'. (select_record::select_record): Initialize all bool values to `false'. * fhandler_socket.cc: Use set_connect_state() method throughout. (fhandler_socket::connect): Set state always to connected if connection isn't pending. * net.cc (cygwin_getsockopt): Revert erroneous previous patch. * select.cc (set_bits): Check for `except_on_write'. Set fd in write_fds if set. Set connect state to connected if fd has been returned by WINSOCK_SELECT. (peek_socket): Check for `except_on_write'. (start_thread_socket): Ditto. (fhandler_socket::select_write): Don't set `write_ready' if connect is pending. Set `except_on_write' if connect is pending.
* * fhandler.h (UNCONNECTED): New define.Corinna Vinschen2002-07-051-20/+25
| | | | | | | | | | | | | | | | | | | | | (CONNECT_PENDING): Ditto. (CONNECTED): Ditto. (class fhandler_socket): Add member `had_connect_or_listen'. Add member functions `is_unconnected', `is_connect_pending' and `is_connected'. * fhandler_socket.cc (fhandler_socket::connect): Set member `had_connect_or_listen' according to return code of WinSock call. (fhandler_socket::listen): Ditto. * net.cc (cygwin_getsockopt): Modify SO_ERROR return value in case of socket with pending connect(). * select.cc (peek_socket): Only add socket to matching fd_set if it's not "ready". Call WINSOCK_SELECT only if at least one socket is in one of the fd_sets. (start_thread_socket): Only add socket to matching fd_set if it's not "ready". (fhandler_socket::select_write): Set write_ready to true also if socket isn't connected or listening.
* Remove unneeded sync.h, where appropriate, throughout. Remove unneeded heap.h,Christopher Faylor2002-05-251-1/+0
| | | | | | where appropriate, throughout. Remove unneeded exceptions.h, where appropriate, throughout. Remove unneeded perprocess.h, where appropriate, throughout.
* bump copyrightChristopher Faylor2002-03-051-1/+1
|
* * exceptions.cc (unused_sig_wrapper): Eliminate unused parameter to asm.Christopher Faylor2002-02-141-1/+1
| | | | | | | | | | | | | * 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.
* * fhandler.h (fhandler_serial::ev): New class member.Christopher Faylor2001-12-111-5/+3
| | | | | | * fhandler_serial.cc (fhandler_serial::raw_read): Use class member for event status. * select.cc (peek_serial): Ditto.
* * dtable.cc (dtable::vfork_parent_restore): Add debugging statement.Christopher Faylor2001-11-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | * exceptions.cc (try_to_debug): Spin only as long as we don't have a debugger attached. * fhandler.h (fhandler_base::set_nohandle): New method. (fhandler_base::get_nohandle): New method. * fhandler.cc (fhandler_base::dup): Avoid duplicating handle if there is no handle. * fhandler_disk_file.cc (fhandler_disk_file::opendir): Set nohandle flag on dummy fd. * Makefile.in: Make intermediate library for eventual inclusion in libcygwin.a * fhandler.h (fhandler_pipe::fhandler_pipe): Remove default argument setting since it is no longer used. * miscfuncs.cc (check_null_str): New function. (+check_null_str_errno): Ditto. * net.cc: Add defensive buffer checking throughout. (cygwin_sendto): Protect against invalid fd. (cygwin_recvfrom): Ditto. (cygwin_getpeername): Ditto. (cygwin_recv): Ditto. (cygwin_send): Ditto. * winsup.h: Declare a new function. * select.cc (set_bits): Fix conditional for setting fd in exceptfds. * dtable.cc (dtable::build_fhandler): Create fhandler_pipe using correct device type. * path.cc (get_devn): Set correct pipe device type from device name.
* * select.cc: Set errno using set_sig_errno() throughout.Corinna Vinschen2001-11-081-9/+9
| | | | | * signal.cc (signal): Always set SA_RESTART flag. * syscalls.cc (_read): Revert previous patch.
* * select.cc (fhandler_tty_slave::ready_for_read): Return 0 on EBADF.Corinna Vinschen2001-11-081-1/+1
| | | | | * syscalls.cc (_read): If ready_for_read() failed, save errno from being overwritten by signal handler call.
* * select.cc (fhandler_tty_slave::ready_for_read): Correct inverted not_openChristopher Faylor2001-11-061-1/+1
| | | | test.
* Eliminate excess whitespace.Christopher Faylor2001-11-051-2/+2
|
* * select.cc: Add more comments throughout. Use bool 'true' where appropriateChristopher Faylor2001-11-051-17/+26
| | | | | | | throughout. (fhandler_socket::select_read): Remove duplicate setting for *_ready which inadvertently overrode previous, correct setting. (fhandler_socket::select_write): Ditto.
* * select.cc (verify_console): New function.Christopher Faylor2001-11-041-2/+17
| | | | | | | (verify_windows): Ditto. (fhandler_console::select_read): Really do need to verify that there is something to read. (fhandler_console::select_windows): Ditto.
* * fhandler.h (fhandler_base::ready_for_read): Remove unused argument.Christopher Faylor2001-11-041-155/+107
| | | | | | | | | | | | | | (fhandler_tty_slave::ready_for_read): Ditto. (select_record): Remove poll, initialize peek. * select.cc: Remove all poll functions, throughout. Change second argument of peek_* functions to 'bool' throughout. Specifically initialize *_ready variables throughout. (select_stuff::poll): Subsume previous poll functionality. (peek_pipe): Don't grab guard mutex when in select loop. select()/read() is racy by design so there is no need to worry about a race in select(). (fhandler_base::ready_for_read): Remove unused argument. (fhandler_tty_slave::ready_for_read): Ditto. * syscalls.cc (_read): Eliminate third argument in ready_for_read call.
* * fhandler.cc (fhandler_base::read): Return just read ahead characters if slowChristopher Faylor2001-11-031-9/+12
| | | | | | | | | | | device. * fhandler.h (fhandler_base::set_eof): New virtual method. (fhandler_pipe::set_eof): New method. * pipe.cc (fhandler_pipe::fhandler_pipe): Clear saweof flag. (fhandler_pipe::read): Return immediately if hit eof. (fhandler_pipe::hit_eof): Return true if saweof flag is set. * select.cc (peek_pipe): Don't call PeekNamedPipe if we couldn't grab the guard mutex.
* * dll_init.h (class dll_list): Reorder functions to avoid compiler "can'tChristopher Faylor2001-11-031-6/+17
| | | | | | | | | | | | | | | | 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.)
* * fhandler.h: Change Windows 'BOOL's to c++ 'bool's for all variables.Christopher Faylor2001-11-021-0/+1
| | | | | | * select.cc (fhandler_base::ready_for_read): Set read_ready to zero prior to testing it or it will be uninitialized. * Makefile.in (CFLAGS): Move setting to Makefile.common.
* * cygheap.h (cygheap_fdmanip::isopen): Set appropriate errno if fd not open.Christopher Faylor2001-11-011-0/+3
| | | | | | | * select.cc (fhandler_base::ready_for_read): Release an open guard mutex when exiting with an error condition. * syscalls.cc (_read): Check frequently for closed fd as a kludge until something better is invented.
* * dtable.cc (dtable::build_fhandler): Issue internal error on unknown device.Christopher Faylor2001-11-011-61/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * fhandler.cc (fhandler_base::close): Show both name and handle in debugging output. * fhandler.h (fhandler_base::get_guard): New virtual method. (fhandler_pipe::get_guard): New method. (fhandler_socket::ready_for_read): Delete declaration. (fhandler_pipe::ready_for_read): Ditto. (fhandler_serial::ready_for_read): Ditto. (fhandler_console::ready_for_read): Ditto. (fhandler_tty_common::ready_for_read): Ditto. (fhandler_windows::ready_for_read): Ditto. (struct select_record::peek): Declare new method. * select.cc (MAKEready): Delete. (peek_pipe): Use get_guard method to retrieve potential guard mutex handle. (fhandler_base::ready_for_read): Rewrite as generic ready-for-read handler. Should only be called for "slow" devices. (fhandler_socket::ready_for_read): Delete definition. (fhandler_pipe::ready_for_read): Ditto. (fhandler_serial::ready_for_read): Ditto. (fhandler_console::ready_for_read): Ditto. (fhandler_tty_common::ready_for_read): Ditto. (fhandler_windows::ready_for_read): Ditto. (fhandler_pipe::select_read): Fill in new peek record in select_record structure. (fhandler_console::select_read): Ditto. (fhandler_tty_common::select_read): Ditto. (fhandler_serial::select_read): Ditto. (fhandler_socket::select_read): Ditto. (fhandler_socket::select_read): Ditto. (fhandler_tty_slave::ready_for_read): Check for tty not open. Set errnos appropriately. * syscalls.cc (_read): Allow ready_for_read to set errno. * pinfo.cc (pinfo::init): Return spawn/NO_WAIT process as valid if it is initializing. * sigproc.cc (getsem): Adjust wait for process to initialize downward to avoid huge waits.
* * select.cc (MAKEready): Remove extraneous select_read.Christopher Faylor2001-10-291-1/+0
|
* * fhandler.h (fhandler_serial::fhandler_serial): Change to only accept unitChristopher Faylor2001-10-291-1/+1
| | | | | | | | argument. * fhandler_serial.cc (fhandler_serial::fhandler_serial): Ditto. (fhandler_serial::open): Avoid else when previous clause is a return(). * path.cc (get_devn): Alias /dev/ttyS0 -> /dev/com1, etc. (get_device_number): Reallow standalone "com1" as a valid name for /dev/com1.
* * select.cc (MAKEready): Check for read_ready in loop since select_read couldChristopher Faylor2001-10-261-6/+6
| | | | | | set it. (peek_socket): Check ready/write/except specifically since they could have been set even prior to peek_socket call.
* * autoload.cc (load_wsock32): Declare dummy function to force loading ofChristopher Faylor2001-10-141-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | winsock. * fhandler.cc (fhandler_base::set_inheritance): Make debugging output more verbose. * fhandler_socket.cc (fhandler_socket::fixup_after_fork): Force loading of winsock32 if winsock2 not available. * net.cc (set_socket_inheritance): Use DuplicateHandle in all cases to set inheritance correctly. (fdsock): Use winsock2_active macro to determine when to set socket inheritance. Remove fdtab resource locking since this function should already be protected. (cygwin_accept): Simplify logic. Ensure that fdtab unlock is not called inappropriately. (cygwin_rcmd): Use fdtab locking. (cygwin_rresvport): Ditto. (cygwin_rexec): Ditto. * select.cc (peek_socket): Set errno appropriately if winsock select fails. * winsup.h: Declare check_pty_fds. * syscalls.cc (check_pty_fds): Rename from check_ttys_fds. Also check pty master. (setsid): Use check_pty_fds. * dtable.cc (dtable::dec_console_fds): Add check on pty fds.
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 04:33:53 +0000