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* * fork.cc: White space.Christopher Faylor2007-07-071-2/+2
| | | | | * net.cc: Ditto. * posix_ipc.cc: Ditto.
* * fork.cc (fork): Reset child to true after fork since it may have been resetChristopher Faylor2007-03-011-2/+5
| | | | by fork memory copies.
* Throughout remove all usage of wincap.has_security.Corinna Vinschen2007-02-231-6/+3
| | | | | | | | | * environ.cc (environ_init): Drop setting allow_ntsec here. * grp.cc (initgroups32): Drop usage of label "out". * security.cc (allow_ntsec): Set to true by default. * syscalls.cc (seteuid32): Remove label success_9x. * wincap.cc: Remove has_security throughout. * wincap.h: Ditto.
* * dcrt0.cc (child_info_fork::alloc_stack_hard_way): Change sense of guard test.Christopher Faylor2007-02-221-30/+100
| | | | | | | | | | | | | | | | | | | | | | Increase size of stack reserved and increase size before the current stack pointer. Use pointers when doing arithmetic. (dll_crt0_1): Initialize exception handler when we notice we're the child of a fork from non-main thread. * fork.cc (frok::parent): Make argument volatile. (frok::child): Ditto. (lock_signals): New class. (lock_pthread): Ditto. (hold_everhthing): Ditto. (frok::parent): Move atforkprepare and atforkparent to lock_pthread class. (fork): Make ischild boolean. Use hold_everything variable within limited scope to set various mutexes in such a way as to avoid deadlocks. * thread.h (pthread_mutex::tid): New variable, active when debugging for tracking thread id of owner. (pthread_mutex::set_owner): Set tid when debugging. * thread.cc (pthread_mutex::pthread_mutex): Clear tid. (pthread_mutex::_unlock): Ditto when unlocking. (pthread_mutex::fixup_after_fork): Set tid to special value after forking since owner is unknown.
* * fork.cc (child_copy): Add missing Windows PID in debug output.Corinna Vinschen2007-01-121-3/+3
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* Partially revert change from 2005-04-03, always running under anCorinna Vinschen2006-12-121-1/+2
| | | | | | | | | | | | | | | | | | | | impersonation token, which collides with Vista UAC. * cygheap.h (deimpersonate): revert to self instead of impersonating hProcImpToken. (reimpersonate): Only impersonate if setuid. * dcrt0.cc (dll_crt0_0): Don't initialize hProcImpToken here. (dll_crt0_1): Set privileges on hProcToken. * fork.cc (frok::child): Set privileges on hProcToken. Close handle to hProcImpToken. * grp.cc (internal_getgroups): Use hProcToken instead of hProcImpToken. * security.cc (check_access): Create hProcImpToken on demand here. * security.h (set_process_privilege): Set privileges on hProcToken. (_push_thread_privilege): Use hProcToken instead of hProcImpToken. (pop_thread_privilege): If not setuid'ed, revert to self. * syscalls.cc (setegid32): Drop setting primary group on hProcImpToken. Close handle to hProcImpToken. * uinfo.cc (internal_getlogin): Ditto. * winsup.h (clear_procimptoken): New inline function.
* * child_info.h (child_info_spawn::__stdin): New element.Christopher Faylor2006-12-111-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (child_info_spawn::__stdin): Ditto. (CURR_CHILD_INFO_MAGIC): Regenerate. * dcrt0.cc (check_sanity_and_sync): Minor cleanup. (child_info_spawn::handle_spawn): Handle new __std* elements by calling move_fd. * dtable.cc (dtable::move_fd): Define new function. * dtable.h (dtable::move_fd): Declare new function. * fhandler.h (fhandler_pipe::popen_pid): Declare new element. * fhandler.h (fhandler_pipe::get_popen_pid): Define new function. * fhandler.h (fhandler_pipe::set_popen_pid): Ditto. * pipe.cc (fhandler_pipe::fhandler_pipe): Zero popen_pid. (fhandler_pipe::dup): Ditto. * spawn.cc (handle): Change second argument to bool. (spawn_guts): Accept __stdin/__stdout arguments and set them appropriately in child_info structure and in STARTUPINFO structure. * syscalls.cc (popen): New cygwin-specific implementation using spawn. (pclose): Ditto. * winsup.h (spawn_guts): Accommodate new arguments for spawn_guts. * fhandler.cc (fhandler_base::set_no_inheritance): Make second arg a bool. * fhandler.h (fhandler_base::set_no_inheritance): Ditto for declaration. * child_info.h (child_info::msv_count): Rename from the now-inappropriate "zero". (child_info_spawn::filler): Add filler to work around Vista bug. (child_info_fork::filler): Ditto. * dcrt0.cc (get_cygwin_startup_info): Remove "zero" check since it is now always filled out. * fork.cc (frok::parent): Move ch.zero manipulation to constructor. * spawn.cc (spawn_guts): Ditto. Remove _ch wrapper. * sigproc.cc (child_info::child_info): Initialize starter[]. * shared.cc (shared_info::heap_slop_size): Remove noisy system_printfs. * shared_info.h (CURR_SHARED_MAGIC): Regenerate.
* * dcrt0.cc (get_cygwin_startup_info): Change zeros to DWORD array.Corinna Vinschen2006-12-051-0/+5
| | | | | | | | | | | Expect first DWORD in child_info struct being set to non-zero if wincap.needs_count_in_si_lpres2 is set. Add comment to explain why. * fork.cc (frok::parent): Set ch.zero[0] to a sensible count value if wincap.needs_count_in_si_lpres2 is set. * spawn.cc (spawn_guts): Ditto. Add filler bytes after ch on stack to accomodate needs_count_in_si_lpres2. * wincap.h: Define needs_count_in_si_lpres2 throughout. * wincap.cc: Ditto.
* * fork.cc (fork): Lock the process before forking to prevent things like newChristopher Faylor2006-07-141-1/+5
| | | | | fds from being opened, etc. * sync.h (lock_process::dont_bother): New function.
* * hookapi.cc: Add comment headerChristopher Faylor2006-07-061-1/+1
| | | | | | | | | (putmem): Make static. (get_export): Ditto. (rvadelta): Ditto. Don't assume that a section which ends where the import_rva begins is the import list. * child_info.h: Update copyright. * fork.cc: Ditto.
* * dcrt0.cc (child_info_fork::handle_fork): Set uid/gid in myself so that it canChristopher Faylor2006-03-291-14/+14
| | | | | | | | | | | | | | | | be used by subsequent startup functions. (dll_crt0_0): Issue a warning if DuplicateTokenEx fails and DEBUGGING. (dll_crt0_1): Move user_data->{resourcelocks,threadinterface} initialization here from dll_crt0_0. * fork.cc (frok::child): Tell wait_for_sigthread that this is fork. (frok::parent): Only initialize start_time once. Tighten time when we're "deimpersonated". * sigproc.cc (signal_fixup_after_exec): Rework (futiley) sa_buf stuff. Add debugging output. (wait_for_sigthread): Accept an argument which illustrates whether we are forked or not. (wait_sig): Avoid using myself pointer. * winsup.h ((wait_for_sigthread): Reflect change to argument.
* * fhandler.cc (fcntl): Print flags in hex.Christopher Faylor2006-03-221-4/+7
| | | | | | | | | | | | | | * 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.
* * child_info.h (CURR_CHILD_INFO_MAGIC): Regenerate.Christopher Faylor2006-03-181-19/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (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 Faylor2006-03-151-6/+3
| | | | | | | * 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.
* * fork.cc (frok::parent): Improve error message.Christopher Faylor2006-03-141-1/+7
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* * child_info.h (child_info_fork::handle_failure): Declare new function.Christopher Faylor2006-03-131-34/+49
| | | | | | | | | | | | | | | | | | | | | | | | (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 Faylor2006-03-131-9/+14
| | | | | | | | | | | | 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 Faylor2006-03-121-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | (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.
* *** cygwin DLL Changes:Christopher Faylor2005-12-291-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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'.
* * fork.cc (fork): Honor error return from sig_send. Don't continue with forkChristopher Faylor2005-12-231-1/+8
| | | | | | | | 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.
* * winsup.h (child_copy): Change prototype to match new functionality.Christopher Faylor2005-12-171-87/+64
| | | | | | | | | | | | | | | | | | | | | | | * cygheap.cc (cygheap_fixup_in_child): Accommodate new child_copy arguments. * dcrt0.cc (dll_data_start): Move definition here from fork. (dll_data_end): Ditto. (dll_bss_start): Ditto. (dll_bss_end): Ditto. (handle_fork): New function. Called when forked to deal with fork issues and copy data to this process from the parent. (dll_crt0_0): Call handle_fork when _PROC_FORK condition. (dll_crt0): Don't copy user_data when we've forked. Don't zero first element of main_environment ever. (cygwin_dll_init): Ditto. * fork.cc (child_copy): Rename from fork_copy and change arguments so that each pair of things to copy gets its own descriptor. (frok::child): Remove fixup_mmaps_after_fork call here. Move to handle_fork in dcrt0.cc. (frok::parent): Use child_copy rather than fork_copy and accommodate changes in parameters. * exceptions.cc (setup_handler): Delay test of whether we're locked until after GetThreadContext has been called since there are apparently cases where SuspendThread does not cause an immediate thread suspension.
* * fork.cc (fork): Move top-of-stack calculation later.Christopher Faylor2005-11-171-3/+4
| | | | | * pinfo.cc (_pinfo::set_ctty): Use __ctty to print current console in debugging output.
* * cygheap.h (init_cygheap::manage_console_count): Declare new function.Christopher Faylor2005-11-141-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (init_cygheap::console_count): Renamed from open_fhs. Make private. * cygheap.cc (init_cygheap::manage_console_count): Define new function. * dtable.cc (dtable::fixup_after_exec): Always call fixup_after_exec on elements of fd even when they are about to be closed. * fhandler.h (report_tty_counts): Remove open_fhs from debugging output. * fhandler_console.cc (fhandler_console::open): Use manage_console_count rather than manipulating count directly. (fhandler_console::close): Ditto. (fhandler_console::fixup_after_fork): Ditto. (fhandler_console::fixup_after_exec): Ditto. Don't close handles if close_on_exec. * fhandler_tty.cc (fhandler_tty_slave::open): Use manage_console_count() rather than manipulating count directly. Reflect change in arguments to report_tty_counts(). (fhandler_tty_slave::close): Ditto for both. (fhandler_tty_slave::dup): Ditto for both. (fhandler_tty_slave::ioctl): Use myctty() rather than raw ctty #. (fhandler_tty_slave::fixup_after_fork): Reflect change in arguments to report_tty_counts(). (fhandler_tty_master::init_console): Use manage_console_count() rather than manipulating count directly. * fhandler_clipboard.cc (fhandler_dev_clipboard::fixup_after_exec): Don't perform any operations if close_on_exec. * fhandler_dsp.cc (fhandler_dev_dsp::fixup_after_exec): Ditto. * fhandler_raw.cc (fhandler_dev_raw::fixup_after_exec): Ditto. * fhandler_serial.cc (fhandler_serial::fixup_after_exec): Ditto. * pinfo.h (_pinfo::_ctty): Declare new function. (myctty): Declare new macro. (__ctty): Declare new macro. * pinfo.cc (_pinfo::_ctty): Define new function. (_pinfo::set_ctty): Use manage_console_count() rather than manipulating count directly. * signal.cc (kill_pgrp): Use myctty() and __ctty() macros rather than raw ctty #. * syscalls.cc (setsid): Ditto. Use manage_console_count() rather than manipulating count directly.
* * times.cc (hires_ms::prime): More debugging.Christopher Faylor2005-11-041-1/+1
| | | | (hires_ms::usecs): Ditto.
* * exceptions.cc (signal_exit): Eliminate setting of main thread priority sinceChristopher Faylor2005-10-291-12/+6
| | | | | | | | process lock should make that unnecessary. * fork.cc (stack_base): Eliminate. (frok::parent): Subsume stack_base and just set stack stuff here. Report on priority class in debugging output. * spawn.cc (spawn_guts): Report on priority class in debugging output.
* * fork.cc (frok::child): Change order of cleanup prior to return.Christopher Faylor2005-10-291-4/+6
| | | | | | (fork): Save more of the stack. * gendef: Fix some comments. * sigproc.cc (wait_sig): Clarify debug output.
* * dir.cc (rmdir): Eliminate nonsensical code.Christopher Faylor2005-10-211-1/+1
| | | | * fork.cc (fork): Move exit debug_printf to last statement.
* * fork.cc (frok::parent): Simplify error messages. Don't issue an error whenChristopher Faylor2005-09-301-11/+18
| | | | | child.remember fails. (fork): When appropriate, build up an error message from grouped.error.
* * dcrt0.cc (getstack): New function.Christopher Faylor2005-09-281-48/+89
| | | | | | | | | | | | | | | | (alloc_stack): Use tls stuff for stack info rather than calling VirtualQuery. (dll_crt0_0): Initialize _impure_ptr stuff much earlier. Move init_console_handler here. * fork.cc (class frok): New class renamed from local fork() struct. (stack_base): Change argument type. Use tls stuff to determine stack info rather than calling VirtualQuery. (frok::child): Rename from fork_child. Eliminate now unneeded arguments. (frok::parent): Rename from fork_parent and ditto. Set error and errno as appropriate. Fixup impersonation in cleanup, if needed. Try harder to set errno appropriately. (fork): Define "grouped" as a frok type. Deal with errors from fork_parent here. * init.cc (dll_entry): Remove init_console_handler call.
* * sigproc.cc (no_signals_available): Return true if sending to self from theChristopher Faylor2005-09-161-1/+1
| | | | | | | | 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.
* * cygheap.cc (cygheap_init): Eliminate debugging #if.Christopher Faylor2005-09-051-6/+7
| | | | | | | | | | * fork.cc (fork_parent): Don't issue errors if "somebody" has set the PID_EXITED flag on a child. Don't close process handle if it has potentially already been closed. * pinfo.cc (winpids::add): Eliminate PID_ALLPIDS handling which was obsoleted by previous changes. * spawn.cc (av::fixup): Do win16 detection for .com files. Make sure that buffer has been unmapped in all cases.
* Grr. REVERT erroneous checkin. AGAIN.Christopher Faylor2005-09-021-7/+6
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* * Makefile.in (CXXFLAGS): Use 'override' to correctly set flags to generateChristopher Faylor2005-09-021-6/+7
| | | | dependencies when invoked from top-level make.
* revert inexplicable previous checkinChristopher Faylor2005-09-021-7/+6
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* bad_addressesChristopher Faylor2005-09-021-6/+7
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* * dcrt0.cc: Remove ld_preload declaration.Christopher Faylor2005-08-111-0/+1
| | | | | * winsup.h: Move ld_preload declaration here. * fork.cc (fork_child): Call ld_preload() before returning.
* * fork.cc (fork_parent): Fix null deref if pinfo creation fails.Christopher Faylor2005-07-291-2/+3
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* * child_info.h (child_info::sync): Pass pid and HANDLE rather than using pinfo.Christopher Faylor2005-07-171-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | (child_info::child_info): Accept an argument controlling whether to create proc_subproc. (child_info_spawn::child_info_spawn): Ditto. * sigproc.cc (child_info::child_info): Ditto. (child_info_spawn::child_info_spawn): Ditto. (child_info::sync): Use passed in pid and HANDLE. * fork.cc (fork_parent): Reflect additional arguments required for child_info::sync. * hookapi.cc (hook_or_detect_cygwin): Rename. Change so that NULL 'fn' argument just returns "true", indicating that program uses cygwin1.dll. * spawn.cc (av::win16_exe): New element. * spawn.cc (av::iscygwin): New element. (av::fixup): New function. (spawn_guts): Protect against SEGV. Use fixup function to detect when it is safe to wait for a spawned (as opposed to an execed) program. Reflect changes in child_info::sync arguments. * external.cc (cygwin_internal): Reflect function renaming to hook_or_detect_cygwin. * cygheap.cc (cygheap_fixup_in_child): Close handle after debug fixup has been done to prevent false positives in handle collision. * exceptions.cc (try_to_debug): Notify debugger if already being debugged.
* Eliminate (void) cast on standalone function calls throughout.Christopher Faylor2005-07-061-2/+2
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* * cygthread.cc (cygthread::detach): Fix debugging output.Christopher Faylor2005-06-151-3/+0
| | | | | | | * dcrt0.cc (dll_crt0_1): Create signal_arrived early -- before any filename manipulation. * sigproc.cc (sigproc_init): Don't create signal_arrived here. * fork.cc (fork_child): Ditto.
* * child_info.h (child_info::cygheap_h): Delete.Christopher Faylor2005-06-011-35/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (child_info::dwProcessId): New field. * cygheap.cc (init_cheap): Delete. (dup_now): Ditto. (cygheap_setup_for_child): Ditto. (cygheap_setup_for_child_cleanup): Ditto. (cygheap_fixup_in_child): Simplify. Use new "child_copy" function to copy heap from parent. (_csbrk): Don't attempt allocation if within cygheap section. Fix so that more than one allocation will succeed. (cygheap_init): Reset possibly-nonzero region to zero. * cygheap.h (cygheap_setup_for_child): Delete declaration. (cygheap_setup_for_child_cleanup): Ditto. (cygheap_start): Define as an array. * cygwin.sc: Modernize. Remove unneeded sections. Define cygheap here. * dcrt0.cc (do_exit): Reflect argument change to close_all_files. * dtable.cc (dtable::vfork_parent_restore): Ditto. * dtable.h: Ditto. * fhandler.h: Ditto. * fork.cc (fork_copy): Call ReadProcessMemory if there is no thread (indicating that we're execing). (fork_child): Don't mess with hParent. (fork_parent): Remove hParent stuff. It happens earlier now. Remove call to cygheap_setup_for_child* stuff. (fork): Put child_info_stuff in grouped structure. Issue error if parent handle is not set. (child_copy): New function. * sigproc.cc (child_info::child_info): Put cygheap settings here. Set parent handle. (child_info::~child_info): Close parent handle if it exists. * spawn.cc (spawn_guts): Reorganize so that ciresrv is allocated at only the last minute so that cygheap changes are reflected. Delete cygheap_setup* calls. * syscalls.cc (close_all_files): Add an argument to flag when the fd entry should be released. * winsup.h (close_all_files): Add an argument to close_all_files declaration. Declare child_copy.
* * cygtls.h (_local_storage::unknown_thread_name): New buffer.Christopher Faylor2005-05-181-2/+2
| | | | | | | | * tlsoffsets.h: Regenerate. * cygthread.cc (cygthread::name): Use new thread-local buffer. * exceptions.cc (handle_exceptions): Avoid unnecessary initialization of static variables to zero. * fork.cc (slow_pid_reuse) Ditto.
* .Christopher Faylor2005-04-141-3/+1
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* * cygheap.cc (cygheap_init): Accomodate set_process_privilege change.Corinna Vinschen2005-04-031-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cygheap.h (cygheap_user::curr_primary_token): New member. (cygheap_user::primary_token): New method. (cygheap_user::deimpersonate): Always revert to processes' impersonation token. (cygheap_user::reimpersonate): Set processes' or setuid token as necessary. (cygheap_user::has_impersonation_tokens): Look for curr_primary_token value. (cygheap_user::close_impersonation_tokens): Close curr_primary_token here if necessary. Don't reset token values to NO_IMPERSONATION since that's done in uinfo_init anyway. (init_cygheap::luid): New LUID array keeping privilege LUIDs. * cygtls.cc (_cygtls::init_thread): Call cygheap->user.reimpersonate. * dcrt0.cc (hProcToken): New global variable to keep process token. (hProcImpToken): Ditto for process impersonation token. (dll_crt0_0): Open process token here once. Duplicate to create hProcImpToken. (dll_crt0_1): Call set_cygwin_privileges. * environ.cc (allow_ntea): Drop duplicate declaration. (allow_smbntsec): Ditto. (set_traverse): Only set allow_traverse here. (environ_init): Ditto. * fhandler_disk_file.cc (fhandler_disk_file::fchmod): Drop call to enable_restore_privilege. (fhandler_disk_file::fchown): Ditto. (fhandler_disk_file::facl): Ditto. * fork.cc (fork_child): Move call to cygheap->user.reimpersonate after syn with parent. Call set_cygwin_privileges. * grp.cc (internal_getgroups): Use hProcImpToken instead of opening process token. * path.cc (fs_info::update): Bypass traverse checking when retrieving volume information using push/pop_thread_privileges. * registry.cc (load_registry_hive): Drop setting restore privilege since it's already set if available. * sec_helper.cc: Include cygtls.h. (cygpriv): Privilege string array. (privilege_luid): New function, evaluate LUID from cygpriv_idx. (privilege_luid_by_name): New function, evaluate LUID from privilege string. (privilege_name): New function, evaluate privilege string from cygpriv_idx. (set_privilege): New static function called by set_process_privilege and set_thread_privilege. Call privilege_luid to get privilege LUID. Fix bug in return value evaluation. Improve debug output. (set_cygwin_privileges): New function. (set_process_privilege): Remove. (enable_restore_privilege): Remove. * security.cc (allow_traverse): New global variable. (sys_privs): Change type to cygpriv_idx and store privilege indices instead of strings. (SYSTEM_PRIVILEGES_COUNT): Renamed from SYSTEM_PERMISSION_COUNT. (get_system_priv_list): Don't use numerical constant in malloc call. Use privilege_luid to get privilege LUIDs. (get_priv_list): Call privilege_luid_by_name to get LUIDs. Improve inner privilege LUID comparison loop. (create_token): Enable create token privilege using push/pop_self_privileges. Use hProcToken instead of opening process token. Use default DACL when duplicating token. (subauth): Enable tcb privilege using push/pop_self_privileges. Use sec_none instead of homw made security attributes when duplicating token. (check_file_access): Don't duplicate access token, use active impersonation token as is. * security.h (enum cygpriv_idx): New enumeration type enumerating possible privileges. (privilege_luid): Declare new function. (privilege_luid_by_name): Ditto. (privilege_name): Ditto. (allow_traverse): Declare. (set_privilege): Declare function. (set_process_privilege): Define as macro. (enable_restore_privilege): Remove declaration. (_push_thread_privilege): Define macro. (push_thread_privilege): Ditto. (pop_thread_privilege): Ditto. (pop_self_privilege): Ditto. * spawn.cc (spawn_guts): Use cygheap->user.primary_token instead of cygheap->user.token. * syscalls.cc (statvfs): Bypass traverse checking when retrieving volume information using push/pop_thread_privileges. Rearrange code to simplify push/pop bracketing. (seteuid32): Use hProcToken instead of opening process token. Call cygheap->user.deimpersonate instead of RevertToSelf. Create impersonation token from primary internal or external token. Set cygheap->user.curr_primary_token and cygheap->user.current_token privileges once here. Drop "failed" and "failed_ptok" labels. Drop setting DefaultDacl of process token. (setegid32): Use hProcToken and hProcImpToken instead of opening process token. Always reimpersonate afterwards. * uinfo.cc (cygheap_user::init): Use hProcToken instead of opening process token. (internal_getlogin): Ditto. Set hProcImpToken, too. (uinfo_init): Initialize cygheap->user.curr_primary_token. * winsup.h (hProcToken): Declare. (hProcImpToken): Declare.
* * fork.cc (fork_child): Add missing __stdcall.Corinna Vinschen2005-04-011-1/+1
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* * sigproc.cc (create_signal_arrive): New (temporary?) function to createChristopher Faylor2005-04-011-0/+3
| | | | | | signal_arrived event. (sigproc_init): Use create_signal_arrived. * fork.cc (fork_child): Create signal_arrived early.
* * fork.cc (fork_child): Fixup SYSV IPC shared memory before fixingCorinna Vinschen2005-04-011-5/+11
| | | | up fdtab.
* * Makefile.in (DLL_OFILES): Add hookapi.o. Eliminate some cruft.Christopher Faylor2005-03-221-0/+2
| | | | | | | | | | | | | | | | | * cygheap.h (cygheap_types): Add new enum: HEAP_1_HOOK. (hook_chain): New struct. (init_cygheap::hooks): Define new element. * cygheap.cc (cygheap_fixup_in_child): Zero hook chain on exec. * dcrt0.cc (dll_crt0_1): Call ld_preload just before calling main function. * external.cc (cygwin_internal): Implement CW_HOOK. * fork.cc (fork_child): Call fixup_hooks_after_fork. * init.cc (cygwin_hmodule): Reinstate after a long absence. * include/sys/cygwin.h: Define CW_HOOK. * hookapi.cc: New file. * select.cc (start_thread_socket): Add debugging output. * fhandler_disk_file.cc (fhandler_disk_file::fchmod): gcc 4.x accommodation. * fhandler_socket.cc (fhandler_socket::connect): Make sure that err is initialized.
* copyrightChristopher Faylor2005-02-201-1/+2
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* * cygwin.din: Export getpriority and setpriority.Corinna Vinschen2005-01-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | * fork.cc (fork_parent): Copy parent's nice value into child. * spawn.cc (spawn_guts): Ditto. * miscfuncs.cc (winprio_to_nice): New function. (nice_to_winprio): Ditto. * pinfo.cc (pinfo_init): If parent is not a Cygwin process, set default nice value according to current Win32 priority class. * pinfo.h (class _pinfo): Add nice member. * syscalls.cc (setpriority): New function, only implementing PRIO_PROCESS for now. (getpriority): Ditto. (nice): Just call setpriority. * wincap.h (wincaps::has_extended_priority_class): New element. * wincap.cc: Implement above element throughout. * winsup.h: Add prototypes for winprio_to_nice and nice_to_winprio. * include/limits.h (NZERO): New define. * include/cygwin/types.h (id_t): New datatype. * include/cygwin/version.h: Bump API minor version. * include/sys/resource.h: Add PRIO_XXX defines and prototypes for getpriority and setpriority.
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