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* * fhandler.cc (fcntl): Print flags in hex.Christopher Faylor2006-03-221-19/+19
| | | | | | | | | | | | | | * dcrt0.cc (dll_crt0_0): Semi-revert 2006-03-14 change which moved pinfo_init and uinfo_init here. (dll_crt0_1): Ditto. (__dll_crt0): Ditto. Don't call update_envptrs here. (dll_crt0_1): Ditto. Move wait_for_sigthread call here from dll_crt0_0. * environ.cc (environ_init): Call it here instead. * sigproc.cc (my_readsig): New static variable. (wait_for_sigthread): Set up read pipe here since we are assured that we have the proper privileges when this is called. (talktome): Eliminate second argument since it is available as a global now. (wait_sig): Reflect use of my_readsig.
* * signal.cc (signal): Don't set SA_RESTART here.Christopher Faylor2006-03-221-0/+4
| | | | | (siginterrupt): White space. * sigproc.cc (sigalloc): Set SA_RESTART here, on initialization.
* * child_info.h (child_status): Fix typo which made it impossible to setChristopher Faylor2006-03-221-6/+6
| | | | | | | | | | iscygwin. (child_info::isstraced): Booleanize. (child_info::iscygwin): Ditto. * sigproc.cc (child_info::child_info): Minor cleanup of flag setting. * spawn.cc (spawn_guts): Only close_all_files when we know the process has started successfully. * exceptions.cc (init_console_handler): Fix indentation.
* * child_info.h (child_status): New enum.Christopher Faylor2006-03-201-2/+6
| | | | | | | | | | | | | | | | | (child_info::flag): Rename from 'straced'. (child_info::isstraced): New function. (child_info::iscygwin): Ditto. (child_info_fork::handle_fork): Reparmize. (child_info_fork::handle_failure): Ditto. (child_info_spawn::handle_spawn): New function. * dcrt0.cc (get_cygwin_startup_info): Use isstraced method. (child_info_spawn::handle_spawn): Define new function from code previously in dll_crt0_0. (dll_crt0_0): Move spawn stuff into handle_spawn. Only call init_console_handler for fork case. * sigproc.cc (child_info::child_info): Set flag appropriately. (child_info::proc_retry): Treat exit code as "funny" if it's a cygwin process. * spawn.cc (spawn_guts): Remove commented out flag setting.
* revert previous debugging checkinChristopher Faylor2006-03-201-8/+4
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* * pinfo.cc (commune_process): Fix randomly invalid pointer which caused fifosChristopher Faylor2006-03-201-4/+8
| | | | to work incorrectly.
* * pinfo.h (EXITCODE_OK): Define new constant.Christopher Faylor2006-03-181-1/+3
| | | | | | | * sigproc.cc (child_info::sync): Return EXITCODE_OK if entering with exit_code == 0. (sig_send): Don't complain if sending signals while blocked if the sender isn't in the main thread.
* * child_info.h (CURR_CHILD_INFO_MAGIC): Regenerate.Christopher Faylor2006-03-181-3/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (child_info::retry): Move here from fork subclass. (child_info::exit_code): New field. (child_info::retry_count): Max retry count for process start. (child_info::proc_retry): Declare new function. (child_info_fork::retry): Move to parent. (child_info_fork::fork_retry): Ditto. * dcrt0.cc (child_info::fork_retry): Rename and move. (child_info_fork::handle_failure): Move. (dll_crt0_0): Initialize console handler based on whether we have a controlling tty or not. Avoid nonsensical check for fork where it can never occur. * environ.cc (set_proc_retry): Rename from set_fork_retry. Set retry_count in child_info. (parse_thing): Reflect above change. * exceptions.cc (dummy_ctrl_c_handler): Remove unused variable name. (ctrl_c_handler): Always return TRUE for the annoying CTRL_LOGOFF_EVENT. * fhandler_termios.cc (fhandler_termios::tcsetpgrp): Remove call to init_console_handler. * fhandler_tty.cc (fhandler_tty_slave::open): Just call mange_console_count here and let it decide what to do with initializing console control handling. * fork.cc (fork_retry): Remove definition. (frok::parent): Define static errbuf and use in error messages (not thread safe yet). Close pi.hThread as soon as possible. Protect pi.hProcess as soon as possible. Don't set retry_count. That happens automatically in the constructor now. Accommodate name change from fork_retry to proc_retry. * init.cc (dll_entry): Turn off ctrl-c handling early until we know how it is supposed to be handled. * pinfo.cc (_pinfo::dup_proc_pipe): Remember original proc pipe value for failure error message. Tweak debug message slightly. * sigproc.cc (child_info::retry_count): Define. (child_info::child_info): Initialize retry count. (child_info::sync): Set exit code if process dies before synchronization. (child_info::proc_retry): Rename from child_info_fork::fork_retry. Use previously derived exit code. Be more defensive about what is classified as an error exit. (child_info_fork::handle_failure): Move here from dcrt0.cc. * spawn.cc (spawn_guts): Maintain error mode when starting new process to avoid annoying pop ups. Move deimpersonate call within new loop. Move envblock freeing to end. Loop if process dies prematurely with bad exit code. * syscalls.cc (init_console_handler): Remove hopefully unneeded call to init_console_handler.
* * child_info.h (child_info_fork::fork_retry): Declare new function.Christopher Faylor2006-03-151-1/+1
| | | | | | | * dcrt0.cc (child_info_fork::fork_retry): Define new function. * fork.cc (frok::parent): Move retry decision into child_info_fork::fork_retry and honor what it tells us to do. * sigproc.cc (sig_send): Unhold signals on __SIGEXIT.
* * dcrt0.cc (main_environ): Initialize to &__cygwin_environment.Christopher Faylor2006-03-141-4/+4
| | | | | | | | | | | (dll_crt0_1): Move resourcelocks, thread interface, pinfo_init, and uinfo_init... (dll_crt0_0): ...to here. (_dll_crt0): Call update_envptrs here after setting main_environ. * environ.cc (environ_init): Eliminate initted variable. Don't call update_envptrs here. * sigproc.cc (wait_sig): Use my_sendsig when calling CreatePipe to avoid a dereference.
* * child_info.h (child_info_fork::handle_failure): Declare new function.Christopher Faylor2006-03-131-7/+12
| | | | | | | | | | | | | | | | | | | | | | | | (child_info_fork::retry): New field. * dcrt0.cc (__api_fatal_exit_val): Define. (child_info_fork::handle_failure): Define new function. (__api_fatal): Exit using __api_fatal_exit_val value. * environ.cc (set_fork_retry): Set fork_retry based on CYGWIN environment variable. (parse_thing): Add "fork_retry" setting. * fork.cc (fork_retry): Define. (frok::parent): Reorganize to allow retry of failed child creation if child signalled that it was ok to do so. * heap.cc (heap_init): Signal parent via handle_failure when VirtualAlloc fails. * pinfo.h (EXITCODE_RETRY): Declare. * sigproc.cc (child_info::sync): Properly exit with failure condition if called for fork and didn't see subproc_ready. * spawn.cc (spawn_guts): Use windows pid as first argument. * winsup.h: Remove obsolete NEW_MACRO_VARARGS define. (__api_fatal_exit_val): Declare. (set_api_fatal_return): Define. (in_dllentry): Declare. * exceptions.cc (inside_kernel): Remove unneeded in_dllentry declaration.
* * dcrt0.cc (dll_crt0_0): Reorganize so that sigproc_init is called a littleChristopher Faylor2006-03-131-11/+10
| | | | | | | | | | | | later. Add a comment. * fork.cc (resume_child): Make void. (frok::parent): Only zero pi when necessary. Explicitly zero si. Set this_errno when child_copy fails. Accommodate change to resume_child. * sigproc.cc (sigalloc): Move global_sigs initialization here. (sigproc_init): Move global_sigs. (sig_send): Just check for flush signals once. * wincap.h: Define supports_setconsolectrlhandler_null throughout. * wincap.cc: Ditto.
* * cygtls.h (CYGTLS_INITIALIZED): Change to a little more unlikely value.Christopher Faylor2006-03-121-6/+8
| | | | | | | | | | | | | | | | | | | | | | | | | (CYGTLSMAGIC): Delete. * dcrt0.cc (dll_crt0_0): Call sigproc_init during init startup. (_dll_crt0): Don't worry about sync_startup. Just wait for sigthread here. * dll_init.cc (cygwin_detach_dll): Only pick up tls version of retaddr if we have a valid tls. * fork.cc (frok::child): Remove sigproc_init initialization since it happens much earlier now. * gendef: Recognize SIGFE_MAYBE. (fefunc): Generate calls to _sigfe_maybe, if appropriate. (_sigfe_maybe): New function. * init.cc (search_for): Always initialize search_for, even on fork. (calibration_thread): Delete. (calibration_id): Delete. (prime_threads): Delete. (munge_threadfunc): Remove calibration_thread special case. Avoid calling thread function if we haven't yet hit the "search_for" thread. (dll_entry): Remove prime_threads call. Only call munge_threadfunc when hwait_sig is active. Ditto. for _my_tls.remove (); * sigproc.cc (hwait_sig): Make global. (sigproc_init): Don't bother with sync_startup. (sig_send): Treat flush as a no-op when signals are held. (wait_sig): Cause signals to be held after fork.
* * sigproc.cc: Fix a comment.Christopher Faylor2006-02-281-5/+4
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* * sigproc.cc (sigheld): Define new variable.Christopher Faylor2006-02-241-3/+18
| | | | | | (sig_dispatch_pending): Don't check sigq since that's racy. (sig_send): Set sigheld flag if __SIGHOLD is specified, reset it if __SIGNOHOLD is specified. Ignore flush signals if we're holding signals.
* Always zero all elements of siginfo_t throughout.Christopher Faylor2006-02-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | * cygtls.h (_cygtls::thread_context): Declare new field. (_cygtls::thread_id): Ditto. (_cygtls::signal_exit): Move into this class. (_cygtls::copy_context): Declare new function. (_cygtls::signal_debugger): Ditto. * cygtls.cc (_cygtls::init_thread): Fill out thread id field. * exceptions.cc (exception): Change message when exception info is unknown. Copy context to thread local storage. (_cygtls::handle_exceptions): Avoid double test for fault_guarded. Reflect move of signal_exit to _cygtls class. (sigpacket::process): Copy context to thread local storage. (_cygtls::signal_exit): Move to _cygtls class. Call signal_debugger to notify debugger of exiting signal (WIP). Call stackdump here (WIP). (_cygtls::copy_context): Define new function. (_cygtls::signal_debugger): Ditto. * tlsoffsets.h: Regenerate. * include/cygwin.h (_fpstate): New internal structure. (ucontext): Declare new structure (WIP). (__COPY_CONTEXT_SIZE): New define. * exceptions.cc (_cygtls::interrupt_setup): Clear "threadkill" field when there is no sigwaiting thread. (setup_handler): Move event handling into interrupt_setup.
* * sigproc.cc (no_signals_available): Use existence of signal thread handle toChristopher Faylor2006-01-051-3/+4
| | | | | | | | figure out if we can actually send signals rather than relying on my_sendsig. (hwait_sig): Make static. (sigproc_init): Don't set my_sendsig to anything special. Use new global static hwait_sig. (wait_sig): Set hwait_sig to NULL when we are exiting.
* (fix ChangeLog and check in remaining files)Christopher Faylor2006-01-051-0/+2
| | | | | | * sigproc.cc (sigproc_init): Move clearing of sync_startup here to lessen the likelihood of trying to deal with non-cygwin threads in dll_entry. * fhandler_console: Fix set_console_state_for_spawn comment.
* add copyrightChristopher Faylor2006-01-021-1/+2
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* *** cygwin DLL Changes:Christopher Faylor2005-12-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * child_info.h (CURR_CHILD_INFO_MAGIC): Reset. (child_info::dwProcessId): Delete. (child_info::straced): New variable. (child_info::handle_fork): New member function. * dcrt0.cc (in_forkee): New global variable. (__cygwin_user_data::forkee): Mark as obsolete. (do_global_ctors): Use in_forkee rather than user_data->forkee. (get_cygwin_startup_info): Ditto. Deal with new straced field to allow strace to deal with children of attached processes. (initial_env): Accommodate changes to strace::hello. (child_info_fork::handle_fork): Rename from plain old 'handle_fork'. Move alloc_stack() call elsewhere. (dll_crt0_0): Fill out more of user_data. Reference handle_fork via fork_info. Add some debugging output. (_dll_crt0): Don't wait for sync thread if sync_startup is invalid. Zero sync_startup here. Call alloc_stack() here, if appropriate. (dll_crt0_1): Use in_forkee rather than user_data->forkee. (dll_crt0): Ditto. * malloc_wrapper.cc (malloc_init): Ditto. * dll_init.cc (in_forkee): Remove local static version of this variable. (dll_list::load_after_fork): Don't set in_forkee here. * external.cc (cygwin_internal): Use strace method rather than accessing field directly. * fhandler.cc (fhandler_base::read): Ditto. * fhandler_tty.cc (fhandler_tty_common::__acquire_output_mutex): Ditto. * fork.cc (frok::parent): Invoke strace write_childpid to communicate with potential strace. (child_copy): Add more detail to debugging output. * init.cc (calibration_id): New static variable. (prime_threads): Set sync_startup to invalid handle if we already know about thread_func_ix. Use static calibration_id to hold calibration thread id. * munge_threadfunc (munge_threadfunc): Don't try to debug if we don't find threadfunc_ix. (dll_entry): Avoid calling munge_threadfunc and _cygtls::remove on non-cygwin threads invoked during process startup. * pinfo.cc (set_myself): Always call strace.hello here regardless of DEBUGGING. * sigproc.cc (child_info::child_info): Remove spurious handling of dwProcessId. Set straced as appropriate. * spawn.cc (spawn_guts): Rename ciresrv to ch. Invoke strace write_childpid to communicate with potential strace. * strace.cc: Include child_info.h. (strace::hello): Remove inited test. Use active() method to test if strace has been activated. Handle case where we are started before (mypid): New function. (strace::vsprntf): Try to deal more intelligently with case where progname may not be filled out. Put pid in parentheses if it is a windows pid rather than a cygwin pid. myself has been filled out. (strace::write_childpid): New function for notifying strace about the creation of children. (strace::vprntf): Use strace method rather than accessing field directly. (strace_printf): Ditto. (strace::wm): Ditto. * winsup.h (in_forkee): Declare. * include/sys/strace.h (strace::write_childpid): Declare new function. (strace::attached): Define new function. (strace::active): Ditto. (strace::active_val): Ditto. (_STRACE_ON): Delete. (_STRACE_OFF): Ditto. (define_strace0): Use strace method rather than accessing field directly. (strace_printf_wrap): Ditto. (strace_printf_wrap1): Ditto. *** cygwin utils changes: * strace.cc (nprocesses): Make static global. (quiet): New variable. (strace_active): Ditto. (add_child): Increment nprocesses here. Don't add a child if it is already added (windows bug?). Report on child if not quiet. (get_child): Just return NULL if child not found. (remove_child): Report on child if not quiet. (attach_process): Don't complain if given a windows process. Use windows pid in error. (handle_output_debug_string): Issue error if trying to manipulate a process that we don't know about. Handle _STRACE_CHILD_PID - attach to reported child when we get this. (proc_child): Move nprocesses to file scope. Report on exceptions. (longopts): Implement "--quiet". (opts): Implement "-q". (main): Manipulate quiet flag. * utils.sgml (strace): Add words describing '-q'.
* * cygtls.cc (_cygtls::handle_threadlist_exception): Make an error fatal.Christopher Faylor2005-12-231-1/+1
| | | | | | | | | | | | | | | | | | | | | * cygtls.h (sockaddr_in): Use header rather than defining our own structure. * exceptions.cc (_cygtls::interrupt_setup): Use exact contents of sa_mask rather than assuming tht current sig should be masked, too. (_cygtls::call_signal_handler): Use more aggressive locking. * gendef (_sigbe): Wait until later before releasing incyg. (_sigreturn): Remove more arguments to accommodate quasi-sa_sigaction support. (_sigdelayed): Push arguments for sa_sigaction. More work needed here. * signal.cc (sigaction): Implement SA_NODEFER. * tlsoffsets.h: Regenerate. * sigproc.cc (wait_sig): Use default buffer size of Windows 9x complains. * pinfo.cc (_onreturn::dummy_handle): Remove. (_onreturn::h): Make this a pointer. (_onreturn::~_onreturn): Detect whether pointer is NULL rather than value is NULL. (_onreturn::_onreturn): Set h to NULL initially. (_onreturn::no_close_p_handle): Set h to NULL. (winpids::add): Initialize onreturn with value from p.hProcess immediately.
* * fork.cc (fork): Honor error return from sig_send. Don't continue with forkChristopher Faylor2005-12-231-7/+7
| | | | | | | | if we couldn't suspend signals. * sigproc.cc (sig_send): Set sigCONT event when we see __SIGNOHOLD. (wait_sig): Remove holding_signals. Create pipe with a buffer which will theoretically cause blocking if there is nothing reading on the pipe. Wait for sigCONT at end of loop when we have a __SIGHOLD.
* * fhandler.h (fhandler_pipe::fixup_in_child): Declare new function.Christopher Faylor2005-12-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | (fhandler_console::invisible_console): Declare new variable. (fhandler_console::need_invisible): Ditto. (fhandler_console::has_a): Ditto. * fhandler_console.cc (set_console_state_for_spawn): Eliminate return value. Set up an invisible console if necessary prior to spawning. (fhandler_console::invisible_console): Define. * fhandler_tty.cc (fhandler_tty_slave::open): Use fhandler_console::invisible_console to setup an invisible console. * pipe.cc (fhandler_pipe::fixup_in_child): Define new function from fixup_after_exec. (fhandler_pipe::fixup_after_exec): Use fixup_in_child when appropriate. (fhandler_pipe::fixup_after_fork): Ditto. * spawn.cc (handle): Reorganize and modernize a little. (spawn_guts): Rely on set_console_state_for_spawn to set the console into the right state but don't create the process with "detached" flag if we have no controlling tty since that confuses 'cmd'. * dtable.cc (dtable::stdio_init): Don't set console as controlling terminal if we have an invisible console. * sigproc.cc (child_info::sync): Use correct name in ForceCloseHandle1.
* * cygtls.cc (_cygtls::remove): Don't bother if we're exiting.Christopher Faylor2005-12-131-1/+2
| | | | * sigproc.cc (_cygtls::remove_wq): Ditto.
* * cygtls.h (_cygtls::el): New field.Christopher Faylor2005-12-031-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (_cygtls::handle_exceptions): New function declaration. (_cygtls::handle_threadlist_exception): Ditto. (_cygtls::init_exception_handler): Ditto. (_cygtls::init_threadlist_exceptions): Remove arg from declaration. * cygtls.cc (_cygtls::call2): Don't initialize exceptions here. (_cygtls::init_thread): Do it here instead and use member function. (_cygtls::handle_threadlist_exception): Move into _cygtls class. (_cygtls::init_exception_handler): Ditto. Rely on existence of 'el' memmber in _cygtls. (_cygtls::init_threadlist_exceptions): Ditto. * dcrt0.cc (dll_crt0_1): Remove exception_list definition and setting since it now commonly resides in the tls. * exceptions.cc (init_exception_handler): Move to cygtls.cc. (init_exceptions): Ditto. (rtl_unwind): New, safe wrapper function for RtlUnwind. (_cygtls::handle_exceptions): Move to _cygtls. Call rtl_unwind to unwind frames and eliminate copying of structures. Put address of failing instruction in si_addr, not the address on the stack. Return 0 to indicate that we've handled this exception. * external.cc (cygwin_internal): Make CW_INIT_EXCEPTIONS a no-op. * sigproc.cc (wait_sig): Accommodate argument change to _cygtls::init_threadlist_exceptions. * tlsoffsets.h: Regenerate. * include/exceptions.h (exception_list): Add more stuff to the exception list. Apparently windows needs this? (init_exceptions): Remove bogus declaration. * include/cygwin/signal.h (SI_USER): Redefine as zero as per SUSv3. * thread.cc (pthread_kill): Set si_pid and si_uid. * timer.cc (timer_thread): Set si_code to SI_TIMER.
* * fork.cc (frok::child): Change order of cleanup prior to return.Christopher Faylor2005-10-291-1/+1
| | | | | | (fork): Save more of the stack. * gendef: Fix some comments. * sigproc.cc (wait_sig): Clarify debug output.
* * cygheap.h (cygheap_fdenum::cygheap_fdenum): Record locked state or sufferChristopher Faylor2005-10-231-1/+1
| | | | | | | | | | | | | | | | | | | deadlocks. (class locked_process): Move to another header. * sync.h (lock_process): Define here. * cygtls.cc (_cygtls::fixup_after_fork): Reset spinning state as well as stacklock state. * dcrt0.cc (lock_process::locker): Define. (dtable::lock_cs): Delete. * dtable.cc (dtable_init): Eliminate call to init_lock(). (dtable::fixup_after_fork): Ditto. (dtable::init_lock): Delete definition. * dtable.h (dtable::init_lock): Delete declaration. (dtable::lock): Use process lock rather than dtable-specific lock. (dtable::unlock): Ditto. * sigproc.cc (sigproc_init): Minor change to debugging output. * times.cc (utime_worker): Use build_fh_pc rather than reinterpreting the posix path name again. Return any error from path_conv immediately.
* * sigproc.cc (child_info::sync): Move check for !wr_proc_pipe lower.Christopher Faylor2005-10-191-30/+25
| | | | * spawn.cc (spawn_guts): Correct check for top-level process.
* * cygtls.cc (handle_threadlist_exception): Improve diagnostic output.Christopher Faylor2005-10-191-2/+3
| | | | | * sigproc.cc (child_info::sync): Only clear hProcess when execing. (wait_sig): Protect readsig handle.
* * sigproc.cc (child_info::sync): Use correct name when closing to preventChristopher Faylor2005-10-181-1/+1
| | | | | | warnings when DEBUGGING. * spawn.cc (spawn_guts): Set myself.hProcess to pi.hProcess since this may have been zeroed by the previous sync.
* * sigproc.cc (child_info::sync): Fix typo which caused hProcess to never beChristopher Faylor2005-10-181-3/+3
| | | | cleared. Only clear hProcess when not forking.
* Change process_lock to lock_process throughout. Change all calls to newChristopher Faylor2005-10-171-38/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | | cygthread to handle extra argument, throughout. * cygthread.h (cygthread::callproc): Declare new method. (cygthread::cygthread): Add optional length argument to allow copying arguments to executing thread. * cygthread.cc (cygthread::callproc): Define new method. (cygthread::stub): Use callfunc to invoke thread func to allow potentially allocating stack memory which will be returned. (cygthread::simplestub): Ditto. (cygthread::cygthread): Accept arglen argument. Reset ev here prior to activating thread. Wait for ev after activating thread if we're copying contents to the thread. Wait until the end before setting h, to allow thread synchronization. (cygthread::release): Don't reset ev here. Rely on that happening the next time the thread is activated. * pinfo.h (commune_process): Rename declaration from _pinfo::commune_process. * pinfo.cc (commune_process): Ditto for definition. Modify slightly to allow running as a separate cygthread. * sigproc.cc (child_info::sync): Always wait for both subproc_ready and any hProcess if we have a cygwin parent. (talktome): Change argument to be a pointer to siginfo_t. Contiguously allocate whole siginfo_t structure + any needed extra for eventual passing to commune_process thread. (wait_sig): Accommodate change in talktome argument. * pipe.cc (fhandler_pipe::fixup_after_exec): Remove debugging.
* * dcrt0.cc (get_exit_lock): Use myself.lock rather than exit_lock.Christopher Faylor2005-10-021-0/+3
| | | | | | | | | | * exceptions.cc (exit_lock): Delete. (events_init): Don't init exit_lock. * (_pinfo::commune_process): Add per-PICOM debugging. * sigproc.cc (talktome): Add some temporary debugging statements. * fhandler_proc.cc (format_proc_cpuinfo): Cosmetic change. (format_proc_partitions): Ditto. * syscalls.cc (locked_append): Ditto.
* Change name from commune_recv to commune_process throughout. Change name fromChristopher Faylor2005-09-281-7/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commune_send to commune_request throughout. * pinfo.h (PICOM_EXTRASTR): New flag. (PICOM_FIFO): Define with new flag. (_pinfo::hello_pid): Delete. (_pinfo::tothem): Delete. (_pinfo::fromthem): Delete. (_pinfo::commune_process): Rename from commune_recv. Add a siginfo_t argument to declaration. (_pinfo::commune_request): Rename from commune_send. Change DWORD to __uint32_t in declaration. * pinfo.cc (_pinfo::commune_process): Rename from commune_recv. Add siginfo_t argument. Use information from argument rather than reading from another pipe. Synchronize with other process's commune event. (_pinfo::commune_request): Rename from commune_send. Change DWORD to __uint32 in argument. Fill out information in new siginfo_t element and rely on extended operation of sig_send rather than trying to deal with synchronization issues here. Use process handle and read pipe information filled out by sig_send to gather information from the other process. * sigproc.cc (sig_send): Take special action if "communing" to ensure synchronization with the other process and to return information about the other process to the caller. (talktome): Accept a siginfo_t and handle arguments. Read additional information from the signal pipe when _si_commune._si_code has the PICOM_EXTRASTR flag set. (wait_sig): Pass the transmitted siginfo_t struct and the pipe handle to talktome. Close pipe read handle as soon as possible after we detect that we're exiting.
* Revert erroneous checkin.Corinna Vinschen2005-09-281-55/+2
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* * fhandler.h (class fhandler_dev_raw): Delete current_position andCorinna Vinschen2005-09-281-2/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | eof_detected status flag. Delete is_eom and is_eof methods. Move drive_size, bytes_per_sector, eom_detected status flag, as well as the methods read_file, write_file, raw_read and raw_write to ... (class fhandler_dev_floppy): ... here. Remove is_eom and is_eof methods. Add dup method. * fhandler_floppy.cc (IS_EOM): New macro. (fhandler_dev_floppy::is_eom): Remove. (fhandler_dev_floppy::is_eof): Remove. (fhandler_dev_floppy::fhandler_dev_floppy): Initialize status flags. (fhandler_dev_floppy::get_drive_info): Only call EX functions on systems supporting them and stop suffering strange delays. (fhandler_dev_floppy::read_file): Move here, drop setting current_position. (fhandler_dev_floppy::write_file): Move here, drop setting current_position. (fhandler_dev_floppy::open): Rearrange comment. (fhandler_dev_floppy::dup): New method. (fhandler_dev_floppy::get_current_position): New inline method. Use instead of former current_position were appropriate. (fhandler_dev_floppy::raw_read): Move here. Drop EOF handling. (fhandler_dev_floppy::raw_write): Move here. Drop EOF handling. (fhandler_dev_floppy::lseek): Remove useless conditions. Convert sector_aligned_offset to LARGE_INTEGER to improve SetFilePointer call. (fhandler_dev_floppy::ioctl): Move blocksize check in RDSETBLK case to here. * fhandler_raw.cc (fhandler_dev_raw::is_eom): Remove. (fhandler_dev_raw::is_eof): Remove. (fhandler_dev_raw::write_file): Remove. (fhandler_dev_raw::read_file): Remove. (fhandler_dev_raw::raw_read): Remove. (fhandler_dev_raw::raw_write): Remove. (fhandler_dev_raw::dup): Drop copying removed members. (fhandler_dev_raw::ioctl): Drop blocksize testing. * wincap.h: Implement has_disk_ex_ioctls throughout. * wincap.cc: Ditto. (wincap_vista): Preliminary wincaps for Windows Vista/Longhorn. (wincapc::init): Add Vista/Longhorn handling.
* * exceptions.cc (handle_exceptions): Just si_code to SI_KERNEL first and let itChristopher Faylor2005-09-261-1/+4
| | | | | | | | | | be overridden. * exceptions.cc (_cygtls::call_signal_handler): Call signal handler with extra siginfo_t * and void * parameters when SA_SIGINFO flag is set. * signal.cc (signal): Clear SA_SIGINFO flag. (sigqueue): Fix incorrect setting of si_code. * sigproc.cc (signal_fixup_after_exec): Clear SA_SIGINFO flag when setting handler to SIG_DFL.
* * sigproc.cc (wait_sig): Cosmetic change.Christopher Faylor2005-09-261-1/+1
| | | | | * pinfo.cc (pinfo::exit): Don't explicitly remove myself since some other thread may still be using it.
* * sigproc.cc (sigproc_terminate): More reversion of always-exit-from-sigthreadChristopher Faylor2005-09-241-4/+1
| | | | change.
* Semi-reversion of always-exit-from-sigthread change of 2005-09-15.Christopher Faylor2005-09-231-35/+4
| | | | | | | | | | | | | * exceptions.cc (sigpacket::process): Eliminate return after call to reinstated noreturn function. (signal_exit): Allow function to exit when a captive process has been terminated. * pinfo.cc (pinfo::exit): Enter exit_lock here. Once again exit here under control of exit_lock. * sigproc.cc (sig_send): Don't wait for completion if process is exiting. Remove special __SIGEXIT accommodations. (wait_sig): Just exit the thread when a __SIGEXIT has been detected. Don't exit the process.
* * cygtls.h (struct _cygtls::thread_handle): Remove/revert.Christopher Faylor2005-09-231-16/+13
| | | | | | | | * sigproc.h (struct sipacket::thread_handle): Put thread_handle here. * sigproc.cc (sigproc_terminate): Move setting of thread_handle... (sig_send): ...to here. Put it in packet being sent. Only close pack.wakeup when we're waiting for completion. (wait_sig): Use thread_handle directly from received packet.
* * cygheap.cc (cygheap_fixup_in_child): It's not just for exec.Christopher Faylor2005-09-231-5/+18
| | | | | | | | | | | | | | * cygtls.h (struct _cygtls::thread_handle): New field. * dcrt0.cc (exit_lock): Remove declaration. * winsup.h (exit_lock): Add declaration. * exceptions.cc (sigpacket::process): Properly return after signal_exit. * pinfo.cc (pinfo::exit): Only exit the process if _my_tls.thread_handle has not been filled out -- which should be an impossible event. * sigproc.cc (sigproc_terminate): Fillout _my_tls.thread_handle to provide something for wait_sig to wait for. Use the siginfo_t version of sig_send and fill out the tls argument with _my_tls. (wait_sig): Wait for the thread specified in pack.tls or (for now) complain bitterly if it doesn't exit.
* * dcrt0.cc (do_exit): Only call sigproc_terminate from one location --Christopher Faylor2005-09-201-3/+3
| | | | | | | | | | | | | | | | | | pinfo::exit. * pinfo.cc (pinfo::exit): Move sigproc_terminate later so that signals can be processed while waiting for hExeced child. (pinfo::maybe_set_exit_code_from_windows): Set exit code from sigExeced if it is non-zero. Set exit_state to ES_EXEC_EXIT prior to waiting for captive process exit code. * exceptions.cc (sigExeced): New global variable. (signal_exit): Remove noreturn attribute from declaration. (signal_exit): Just terminate captive process and return if hExeced on the theory that the exit will be subsequently handled in the main thread. * sigproc.cc (sigproc_terminate): Eliminate test for ES_SIGPROCTERMINATE and use ES_FINAL instead. (sig_send): Use no_signals_available instead of duplicate test. * winsup.h (ES_EXEC_EXIT): New enum. (ES_SIGPROCTERMINATE): Delete.
* * sigproc.cc (talktome): Take siginfo_t argument. Don't scan all pids tryingChristopher Faylor2005-09-191-7/+5
| | | | | to find one that's talking to me. Just use the pid from siginfo_t. (wait_pid): Pass siginfo_t argument to talktome.
* * pinfo.h (EXITCODE_SET): Move out of range of Windows error.Christopher Faylor2005-09-161-17/+8
| | | | | | | | | | | | (EXITCODE_NOSET): Ditto. * sigproc.cc (no_signals_available): Remove check for hwait_sig. Just rely on my_sendsig. Pass in an argument controlling when it is appropriate to test EXITCODE_SET. (proc_can_be_signalled): Remove checks for myself since this function is never called in that context. (sigproc_init): Pre-initialize my_sendsig to non-zero so that proc_can_be_signalled will know that we expect to be signalable soon. (sig_send): Change debugging output.
* * sigproc.cc (no_signals_available): Return true if sending to self from theChristopher Faylor2005-09-161-2/+2
| | | | | | | | signal thread. (wait_sig): Correct so that WaitForSingleObject is called when hMainThread is != 0, rather than the reverse. * cygheap.cc (cygheap_fixup_in_child): Clarify potential error message. * fork.cc (fork_copy): Cosmetic change.
* * sigproc.cc (wait_sig): Reorganize exit case so that ExitProcess is alwaysChristopher Faylor2005-09-151-12/+20
| | | | | called, since that is the intent of sending a __SIGEXIT. Wait forever for main thread to go away since, presumably, the main thread told us it was going away.
* * exceptions.cc (sigtid): Remove declaration.Christopher Faylor2005-09-141-18/+24
| | | | | | | | | | | | | | | | | | | | | | | (handle_exceptions): Use _sig_tls rather than sigtid to determine if this is the signal thread. (set_signal_mask): Ditto for conditionalized CGF code. * pinfo.cc (pinfo::exit): Exit the thread if we forcefully terminated the main thread * sigproc.cc (sigtid): Delete. (_sig_tls): Define. (sig_clear): Use _sig_tls rather than sigtid to determine if this is the signal thread. (sig_dispatch_pending): Ditto. (wait_sig): Set _sig_tls here. * dcrt0.cc (do_exit): Move sigproc_terminate call later since signal handling was still needed for subsequent stuff. Call sigproc_terminate with new exit_state value. * pinfo.cc (pinfo::exit): Call sigproc_terminate with new exit_state value. * sigproc.cc (proc_terminate): Remove unnecessary (void) parameter. (sigproc_terminate): Ditto. Add new argument to accept exit state to be set. (wait_sig): Reorganize __SIGEXIT handling. Add more debugging output. * winsup.h (sigproc_terminate): Declare with new exit_state argument. (exit_states): Reorganize to reflect new exit ordering of sigproc_terminate.
* * dcrt0.cc (do_exit): Rely on sigproc_terminate to set exit_stateChristopher Faylor2005-09-131-29/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | appropriately. * pinfo.cc (pinfo::exit): Always call sigproc_terminate here. Rely on sigproc_terminate to signal signal thread to handle eventual process exit. * sigproc.cc (no_signals_available): Change criteria for determining if this process can handle signals to itself. (my_sendsig): New variable. Copy of my sendsig handle. (proc_can_be_signalled): Don't send signals if exit code is set. (sigproc_terminate): Use and set exit_state appropriately to determine when to do anything. Send __SIGEXIT to self to control process exit. (sig_send): Use my_sendsig for sending signals. Don't call proc_can_be_signalled for myself since the criteria is now different for sending signals to myself. (wait_sig): Copy myself->sendsig to my_sendsig for future use. Exit signal loop when __SIGEXIT is received. Wait for main thread to exit and use its exit status to actually exit process. * sigproc.h (__SIGEXIT): New enum. * dcrt0.cc (alloc_stack): Eliminate superfluous "return;". * debug.cc (add_handle): Ditto. * devices.in (device::parse): Ditto. * dtable.cc (dtable::vfork_parent_restore): Ditto. (dtable::vfork_child_fixup): Ditto. * environ.cc (parse_options): Ditto. * errno.cc (seterrno_from_win_error): Ditto. * exceptions.cc (sig_handle_tty_stop): Ditto. (set_signal_mask): Ditto. * fhandler.cc (fhandler_base::read): Ditto. (fhandler_base::operator delete): Ditto. (fhandler_base::seekdir): Ditto. (fhandler_base::rewinddir): Ditto. * fhandler_console.cc (fhandler_console::read): Ditto. (fhandler_console::fixup_after_exec): Ditto. * sigproc.cc (sigproc_init): Ditto. (sigproc_terminate): Ditto. * devices.cc: Regenerate.
* * sigproc.cc (wait_sig): Be more defensive about detecting when we're exiting.Christopher Faylor2005-09-131-1/+1
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