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* * shared_info.h: Match shared_name declaration with below change.Corinna Vinschen2003-05-211-2/+3
| | | | | | | | | | | * shared.cc (shared_name): Use incoming char * parameter instead of local static buffer. (open_shared): Accomodate new calling convention for shared_name. * exceptions.cc (events_init): Ditto. * sigproc.cc (getsem): Ditto. * syscalls.cc (login): Ditto. (logout): Ditto. (pututline): Ditto.
* Joe Buehler <jhpb@draco.hekimian.com>Christopher Faylor2003-03-261-0/+1
| | | | | * fork.cc (fork_parent): Don't copy signals from parent to child here. * sigproc.cc (proc_subproc): Copy signals from parent to child pinfo here.
* * cygwin.din: Export btowc, trunc.Christopher Faylor2003-03-171-1/+1
| | | | | | | | | | | | | | | | * include/cygwin/version.h: Reflect new exports. * syscalls.cc (_stat): Rename to stat to avoid newlib wrapper. * syscalls.cc (_fstat): Ditto. * fhandler_console.cc (fhandler_console::close): Correct check for current tty. Add debugging output when console is freed. (set_console_state_for_spawn): Add debugging output. * fhandler_tty.cc (fhandler_tty_slave::open): Don't decrement console open flag when vforking. * sigproc.cc (sigproc_terminate): Fix debugging output. * spawn.cc (handle): Eliminate second argument. (spawn_guts): Reflect elimination of argument change to handle. * syscalls.cc (setsid): Add debugging output when console is freed. * syscalls.cc (rename): Revert assumption that DELETE_ON_CLOSE works on Win9x.
* * fhandler.cc (fhandler_base::open): Move some filesystem specific stuff.Christopher Faylor2003-02-211-4/+7
| | | | | | (fhandler_disk_file::open): Accept some filesystem specific stuff. * sigproc.cc (wait_for_sigthread): Become slightly more thread safe. (sig_send): Don't assume that signal thread is ready.
* * sigproc.cc (sig_dispatch_pending): Remove assertion.Christopher Faylor2002-11-291-1/+0
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* * exceptions.cc (handle_sigsuspend): Force pending signal delivery beforeChristopher Faylor2002-11-221-0/+9
| | | | | | | | | | | | | | | | | | waiting for signals to happen. * signal.cc (sleep): Force pending signal delivery before sleeping. (usleep): Ditto. (signal): Force pending signal delivery before manipulating signal stuff. (sigprocmask): Ditto. (kill_worker): Ditto. (abort): Ditto. (sigaction): Ditto. * syscalls.cc (readv): Force pending signal delivery before I/O. (writev): Ditto. (open): Ditto. * net.cc: Ditto, throughout. * sigproc.cc (sig_dispatch_pending): Deliver any pending signals prior to returning. * tty.cc (tty::make_pipes): Increase pipe buffer size.
* * exceptions.cc (sigthread::get_winapi_lock): Just do standard 'give upChristopher Faylor2002-11-221-2/+0
| | | | | | | | | | | | timeslice' wait. (setup_handler): Revamp YA to attempt to deliver signal multiple times on failure rather than punting to wait_sig. * miscfuncs.cc (low_priority_sleep): Accept INFINITE sleep to mean "don't reset the priority after setting it to idle". Return previous priority. * winsup.h (SLEEP_0_STAY_LOW): Define. (low_priority_sleep): Return an int. * sigproc.h: Define WAIT_SIG_PRIORITY here. * sigproc.cc: Remove WAIT_SIG_PRIORITY definition.
* * exceptions.cc (setup_handler): Add debugging output. Set thread priority toChristopher Faylor2002-11-151-0/+1
| | | | | | | | idle if pending signals to allow other threads to get into interruptible state. * miscfuncs.cc (sys_mbstowcs): Save current thread in variable to avoid an OS call. * wait.cc (wait_sig): Reset thread priority each time through loop since the priority may have been set down to deal with pending signals.
* * miscfuncs.cc (low_priority_sleep): New function. Use throughout where codeChristopher Faylor2002-11-131-1/+1
| | | | | | is supposed to be giving up time slice. * fhandler_console.cc (fhandler_console::read): Switch button 2/3 output escape sequences to be consistent with xterm.
* * sigproc.cc (WAIT_SIG_PRIORITY): Bump to THREAD_PRIORITY_TIME_CRITICAL.Christopher Faylor2002-11-051-1/+1
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* * sigproc.cc (WAIT_SIG_PRIORITY): Bump to highest priority.Christopher Faylor2002-11-051-1/+1
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* * external.cc (cygwin_internal): Implement CW_CMDLINE.Christopher Faylor2002-10-301-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * pinfo.h (SIGCOMMUNE): New signal type. (commune_result): New structure for commune functions. (picom): New enum for commune functions. (_pinfo::hello_pid): New. Pid who's communicating with me. (_pinfo::tothem): New. Handle of communicating pipe. (_pinfo::fromthem): Ditto. (_pinfo::commune_recv): Declare. (_pinfo::commune_send): Declare. (_pinfo::alive): Declare. (_pinfo::cmdline): Declare. (_pinfo::lock): Declare. * pinfo.cc (set_myself): Initialize new _pinfo lock. (_pinfo::alive): Define. Determines if process still exists. (_pinfo::commune_recv): Define. Receive info from another cooperating process. (_pinfo::commune_send): Define. Send info to another cooperating process. (_pinfo::cmdline): Define. Determine command line of a given process. * include/sys/cygwin.h (CW_CMDLINE): Define. *sigproc.cc (talktome): Communicate with any processes who want to talk to me. (wait_sig): Honor __SIGCOMMUNE. * fhandler.cc (fhandler_virtual::fixup_after_exec): Declare. * fhandler_proc.cc: Use malloc/free/realloc throughout rather than cmalloc since buffers don't need to be propagated to subprocesses. * fhandler_registry.cc: Ditto. * fhandler_virtual.cc: Ditto. (fhandler_virtual::fixup_after_exec): Define. * fhandler_process.cc: Ditto for malloc/free/realloc. (process_listin): Add "cmdline". (fhandler_process::fill_filebuf): Implement PROCESS_CMDLINE. * miscfuncs.cc (isalpha_array): New array populated with xor values for alpha characters to switch from one case to another. * string.h (cygwin_strcasematch): New asm implementation of case match. * string.h (cygwin_nstrcasematch): New asm implementation of counted case match.
* Change _function() to function() throughout.Christopher Faylor2002-10-211-21/+16
| | | | | | | | | | | | | | | | | | * cygwin.din: Remove last vestiges (?) of newlib wrappers. * cygthread.cc (cygthread::detach): Always wait for event or suffer an apparently inavoidable race. * dcrt0.cc (dll_crt0_1): Allocate threads after stack has been relocated. * debub.cc (lock_debug): Don't acquire lock on exit. * fork.cc (fork_child): Recreate mmaps before doing anything else since Windows has a habit of using blocks of memory in the child that could previously have been occupied by shared memory in the parent. * mmap.cc (fhandler_disk_file::fixup_mmap_after_fork): Issue error here and provide some details about what went wrong. (fixup_mmaps_after_fork): Remove error message. * shared.cc (open_shared): Move warning message so that more detail is possible. * sigproc.cc (sigproc_init): Initialize sync_proc_subproc to avoid a race. (sigproc_terminate): Specifically wait for process thread to terminate.
* * sigproc.cc (wait_sig): Remove obsolete sigchld logic.Christopher Faylor2002-10-201-4/+1
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* * cygthread.cc (cygthread::stub): Reintroduce clearing of __name but do itChristopher Faylor2002-10-141-1/+2
| | | | | | | | | | | before SetEvent to eliminate a race. (cygthread::terminate): Accumulate list of threads to check for termination and call WaitForMultipleObjects on list rather than waiting for each thread individually. * sigproc.cc (subproc_init): Zap hwait_subproc thread handle since it is no longer used. * spawn.cc (spawn_guts): Fix so that cygthread::terminate is *really* called only for exec.
* * Makefile.in (new-cygwin1.dll): Reorganize library order.Christopher Faylor2002-10-101-1/+1
| | | | | | | * dcrt0.cc (do_exit): Move thread stuff after vfork stuff or threads are terminated during vfork. * sigproc.cc (proc_terminate): Grab proc lock prior to signalling subproc thread exit to avoid an extra "wait-for-thread-to-exit".
* * cygthread.cc (cygthread::stub): Don't create an event for "cygself" threads.Christopher Faylor2002-10-091-4/+4
| | | | | | | | | | | | | | | | | | | | | Assume that they exit via an ExitThread call. * cygthread.h (cygthread::SetThreadPriority): New function. (cygthread::zap_h): New function. * dcrt0.cc (do_exit): Move cygthread::terminate earlier and establish exit_state guard. * fhandler.h (fhandler_tty_master::output_thread): Delete. * fhandler_tty.cc (fhandler_tty_master::init): Set priority for threads via method. Zap handles when done. Don't treat process_output specially. (process_output): Call ExitThread directly. (fhandler_tty_master::fixup_after_fork): Don't worry about output_thread. (fhandler_tty_master::fixup_after_exec): Ditto. * sigproc.cc (proc_terminate): Don't detach from hwait_subproc. Just let it exit. (sigproc_init): Close thread handle after initialization. (wait_sig): Use GetCurrentThread() as SetThreadPriority call rather than *event* handle. Call ExitThread directly on termination. (wait_subproc): Call ExitThread directly on termination. * tty.cc (tty_list::terminate): Don't attempt t detach from output_thread.
* * fhandler.cc (fhandler_base::dup): Don't set handle on failure. Caller hasChristopher Faylor2002-09-221-3/+3
| | | | | | | 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.
* * pinfo.h (pinfo::remember): Arrange for destructor call if proc_subprocChristopher Faylor2002-08-191-1/+1
| | | | | | returns error. * sigproc.cc (zombies): Store 1 + total zombies since proc_subproc uses NZOMBIES element.
* * sigproc.cc (sigCONT): Define.Christopher Faylor2002-08-181-9/+11
| | | | | | | | | * sigproc.h (sigCONT): Declare. (wait_sig): Create sigCONT event here. * exceptions.cc (sig_handle_tty_stop): Wait for sigCONT event rather than stopping thread. (sig_handle): Set sigCONT event as appropriate on SIGCONT rather than calling ResumeThread.
* * assert.cc (__assert): Call debugger on assertion failure if debugging.Christopher Faylor2002-08-111-15/+10
| | | | | | | | | | | | | * dcrt0.cc (dll_crt0_1): Just wait for signal thread to go live rather than going through the overhead of invoking it. * fork.cc (fork_child): Ditto. * exceptions.cc (signal_fixup_after_fork): Call sigproc_init here. * sigproc.cc (proc_can_be_signalled): Assume that the signal thread is live. (sig_dispatch): Ditto. (sig_send): Ditto. (wait_for_sigthread): Renamed from "wait_for_me". Assume that wait_sig_inited has been set and that this function is only called from the main thread. * winsup.h (wait_for_sigthread): Declare new function.
* * spawn.cc (spawn_guts): Don't set mount_h here.Christopher Faylor2002-08-061-0/+1
| | | | | * sigproc.cc (init_child_info): Set it here instead. * shared.cc (cygwin_mount_h): Make NO_COPY.
* * cygthread.cc (cygthread::stub): Accept flag to pass info structure to threadChristopher Faylor2002-08-061-3/+3
| | | | | | | | | | | | | | | | function. (cygthread::operator new): Add defense debugging output. (cygthread::cygthread): Add debugging output. Set name after thread has been awakened to avoid a race. (cygthread::exit_thread): Use handle operator rather than using ev directly. (cygthread::exit_thread): Reorganize to provide debugging. Set __name to NULL. * cygthread.h (cygself): Define. * fhandler_tty.cc (fhandler_tty_master::init): Use cygself as argument so that invoked thread can access its own info. (process_output): Derive cygthread info of thread from thread argument. * sigproc.cc (sigproc_init): Use cygself as argument so that invoked thread can access its own info. (wait_sig): Derive cygthread info of thread from thread argument.
* * Makefile.in (DLL_OFILES): Add cygthread.o.Christopher Faylor2002-08-011-49/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* * debug.h (handle_list): Move here from debug.cc. Add "inherit" flagChristopher Faylor2002-07-131-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
* * sync.h (new_muto): Just accept an argument which denotes the name of theChristopher Faylor2002-02-221-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
* * fork.cc (fork_parent): Use sec_user_nih to control process/threadChristopher Faylor2002-02-191-4/+7
| | | | | | | | | | | | | | | | | inheritance/permission. * spawn.cc (spawn_guts): Ditto. * security.cc (create_token): Initialize token so that it is not tested for bogus value later. Use sec_user to control process/thread creation. * security.h (__sec_user): Rename declaration from sec_user. (sec_user_nih): Declare here as inline function wrapper for __sec_user. (sec_user): Ditto. * sigproc.cc (czombies): Allocate a character array for zombies to avoid constructor overhead (extremely hackish, I know). (cpchildren): Ditto. (pchildren): New define. (zombies): Ditto. (getsem): Use sec_user_nih to control semaphore inheritance/permission.
* * times.cc (hires::prime): Restore thread priority on failure condition.Christopher Faylor2002-02-171-1/+1
| | | | | | | | | | | | | | | | | | | * uinfo.cc (uinfo_init): Use more robust method for determining if process was invoked from a non-cygwin process. * sync.h (muto::init): Eliminate "inheritance" parameter. (new_muto): Reflect removal of parameter. * sync.cc (muto::init): Ditto. * cygheap.cc (cygheap_init): Ditto. * debug.cc (threadname_init): Ditto. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * sigproc.cc (sigproc_init): Ditto. * grp.cc (group_lock): Use different method for locking with static member. (read_etc_group): REALLY ensure that read lock mutex is released. * passwd.cc (passwd_lock): Use different method for locking with static member. (read_etc_passwd): REALLY ensure that read lock mutex is released. * shared.cc (sec_user): Correct reversed inheritance test.
* * 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.
* * external.cc (cygwin_internal): Initialize various internal settings ifChristopher Faylor2002-01-291-1/+1
| | | | | | | | | | | | | | | | required to allow use of some things from user loaded DLL. (CW_STRACE_ON): Add new feature. (CW_CYGWIN_PID_TO_WINPID): Ditto. * pinfo.cc (set_myself): Call "strace.hello" to initiate possible strace session. (pinfo::init): Guard against dereferencing uninitialized myself. * sigproc.cc (wait_sig): Call strace.hello() when __SIGTRACE "signal" received. * strace.cc (strace::hello): New method. * wincap.cc (wincapc::init): Avoid initializing if already initialized. * wincap.h (wincapc::wincapc): New method. * include/sys/cygwin.h: Add new CW_ enums. Kludge typedefs of {g,u}id_t if required. * strace.h (strace::hello): Declare new method.
* * Makefile.in (new-cygwin1.dll): Just use -lsupc++ for link.Christopher Faylor2002-01-191-1/+1
| | | | | | * sigproc.cc (proc_exists): Change existence criteria. * sync.h (new_muto): Add volatile to definition to avoid gcc optimization problems.
* Add copyright stuffChristopher Faylor2002-01-131-1/+1
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* * exceptions.cc (sig_handle): Accept a second argument indicating whether theChristopher Faylor2002-01-111-1/+1
| | | | | | | | signal came from this process or not. * sigproc.h: Reflect sig_handle arg change. * signal.cc (kill_pgrp): Add sigframe info. (abort): New function. Eliminates newlib function of same name. * sigproc.cc (wait_sig): Pass "signal from this process" value as arg 2.
* * sigproc.cc (getsem): Clean up debugging output.Christopher Faylor2002-01-071-1/+1
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* * sigproc.cc (getsem): Set errno when unable to create own semaphore.Christopher Faylor2002-01-071-10/+11
| | | | | Reorganize to make clearer that error should only come from initial creation of process semaphore.
* * cygmagic: Add define name to warning.Christopher Faylor2001-12-261-1/+2
| | | | | | | | | | | | | | | | * dcrt0.cc (_dll_crt0): Check for changes in child_info size. (multiple_cygwin_problem): Avoid "proc" errors when testing. Just assume new cygwin proc. * shared_info.h (mount_info): Add 'cb' element for sanity checks. (shared_info): Ditto. * child_info.h (child_info): Add fhandler_union_size element for sanity checking. * shared.cc (open_shared): Detect shared region size mismatch between parent and child. (shared_info::initialize): Detect shared region size mismatch with expectation. (memory_Init): Ditto. * sigproc.cc (init_child_info): Correctly set cb in passed structure. * shared.cc (open_shared):
* * Makefile.in: Autogenerate some header files which provide magic numbers.Christopher Faylor2001-12-261-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Force dependencies for files which depend on autogenerated headers to ensure that they are always built. * child_info.h (child_info): Add new fields to accommodate new magic number header stuff. * dcrt0.cc: Rely on "child_info_magic.h" to ensure that correct child_info magic numbers are used. (dll_crt0_1): Temporarily remove _cygwin_testing_magic test. (_dll_crt0): Do more testing on magic numbers from fork_info structure. Call "multiple_cygwin_problem" where appropriate. (multiple_cygwin_problem): Rename from multiple_cygwin_die. Issue a warning or die, as appropriate based on cygwin version/magic number mismatch. * pinfo.cc (pinfo::exit): Don't attempt to dereference `this' if it doesn't exist. This can happen when a fatal error occurs early in process initialization. * shared.cc: Rely on "shared_info_magic.h" to accommodate that new magic number header stuff. (shared_info::initialize): Use new magic number stuff, for shared region. (memory_init): Ditto, for mount table. * shared_info.h: Accomodate new magic number stuff for shared region and mount table. * sigproc.cc: Rely on "child_info_magic.h" to accommodate new magic number header stuff. (init_child_info): Initialize new fields in child_info) to accomodate magic numbers. * winsup.h: Rename multiple_cygwin_die to multiple_cygwin_problem. * include/cygwin/version.h: Define macros for manipulating version magic. * cygmagic: New shell script for generating magic numbers.
* * dll_init.h (class dll_list): Reorder functions to avoid compiler "can'tChristopher Faylor2001-11-031-23/+23
| | | | | | | | | | | | | | | | 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.)
* * dtable.cc (dtable::build_fhandler): Issue internal error on unknown device.Christopher Faylor2001-11-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* * sigproc.cc (sigproc_terminate): Don't signal main thread when exiting.Christopher Faylor2001-10-311-1/+1
| | | | | * sigproc.h (sigframe): Decorate some methods with `inline'. (new_muto): Coerce pointer to new to void *.
* Add "path.h" include throughout, where needed. Use new path_conv methods andChristopher Faylor2001-10-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | operators to simplify testing for directory and attributes, throughout. * path.h (path_conv::exists): New method. (path_conv::has_attribute): Ditto. (path_conv::isdir): Ditto. (path_conv::DWORD &): New operator. (path_conv::int &): Ditto. * dir.cc (rmdir): Eliminate a goto. * dtable.cc (dtable::build_fhandler): Accept opt and suffix info for path_conv.check. Return fh == NULL on path_conv error. Pass unit to set_name as appropriate. (dtable::reset_unix_path_name): New method. * dtable.h (dtable): Declare new method. Reflect arg changes to build_fhandler. * fhandler.cc (fhandler_disk_dummy_name): Eliminate. (fhandler_base::set_name): Expect paths to be NULL. Build unix_path_name from win32_path_name when it is a device. (fhandler_base::reset_unix_path_name): New method. (fhandler_base::raw_read): Report EISDIR when ERROR_INVALID_FUNCTION or ERROR_INVALID_PARAMETER and reading a directory. (fhandler_disk_file::fstat): Don't call stat_dev since we should now never be calling fhandler_disk_file methods with devices. (fhandler_base::fhandler_base): Clear {unix,win32}_path_name. (fhandler_base::~fhandler_base): Always free {unix,win32}_path_name. (fhandler_disk_file::fhandler_disk_file): Remove set_no_free_names kludge. (fhandler_disk_file::open): Ditto. * fhandler.h (fhandler_base::no_free_names): Eliminate. (fhandler_base::set_no_free_names): Ditto. * fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Don't set unix_path_name here. * path.cc (fchdir): Lock fd table throughout. Use new dtable::reset_unix_path_name method to reset path. * syscalls.cc (stat_worker): Reorganize to always call fstat method. Pass path_conv method to fhandler_*::open. (chroot): Elminate a goto.
* * exceptions.cc (setup_handler): Always relinquish lock after we'veChristopher Faylor2001-09-221-1/+1
| | | | | | | | | | | | | | | | | | | | interrupted. * fhandler.cc: Move pipe methods to pipe.cc. * fhandler.h (fhandler_pipe): Add new methods. * fork.cc (sync_with_parent): Make error messages more informative. * pipe.cc (fhandler_pipe::fhandler_pipe): Move here from fhandler.cc. (fhandler_pipe::lseek): Ditto. (fhandler_pipe::set_close_on_exec): New method. (fhandler_pipe::read): Ditto. (fhandler_pipe::close): Ditto. (fhandler_pipe::dup): Ditto. (make_pipe): Create the guard mutex on the read side of the pipe. * select.cc (peek_pipe): Use guard_mutex to discover if we have the right to read on this pipe. (fhandler_pipe::readh_for_read): Pass the read pipe guard mutex to peek_pipe. * syscalls.cc (_read): Always detect signal catchers, for now. * debug.cc (makethread): Eliminate hack to make thread inheritable. * sigproc.cc (subproc_init): Don't use hack to make thread inheritable.
* * dcrt0.cc (dll_crt0_1): Create vfork main storage here so that it can beChristopher Faylor2001-09-151-0/+2
| | | | | | queried in waitsig later. * sigproc.cc (wait_sig): Don't deliver a signal if in a vfork. * fork.cc (vfork): Deliver all signals on parent return from vfork.
* * sigproc.cc (NZOMBIES): Reduce substantially to minimize memory use.Christopher Faylor2001-09-101-1/+1
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* * fork.cc (fork_parent): Stop malloc activity while fork is in control of theChristopher Faylor2001-09-091-10/+5
| | | | | | | | heap. * sigproc.cc (NZOMBIES): Rename from ZOMBIEMAX for clarity. (zombies): Revert to original behavior. Allocating zombie array resulted in performance hit. * winsup.h: Declare malloc lock routines.
* * cygheap.h (init_cygheap): Move heap pointers here.Christopher Faylor2001-09-071-13/+5
| | | | | | | | | | | | | | | | | | | * include/sys/cygwin.h (perprocess): Remove heap pointers. * dcrt0.cc (__cygwin_user_data): Reflect obsolete perprocess stuff. (_dll_crt0): Don't initialize heap pointers. (cygwin_dll_init): Ditto. (release_upto): Use heap pointers from cygheap. * heap.h: Ditto. * fork.cc (fork_parent): Ditto. Don't set heap pointers in ch. (fork_child): Remove obsolete sigproc_fixup_after_fork. * shared.cc (memory_init): Reorganize so that cygheap initialization is called prior to regular heap since regular heap uses cygheap now. * sigproc.cc (proc_subproc): Eliminate zombies allocation. (sigproc_init): Move zombies alloation here. Don't free up array on fork, just reuse it. (sigproc_fixup_after_fork): Eliminate. * sigproc.h: Ditto. * include/cygwin/version.h: Reflect change to perprocess structure.
* * cygheap.h (init_cygheap): Move bucket array here from cygheap.cc.Christopher Faylor2001-09-061-3/+16
| | | | | | | | | | | | * cygheap.cc: Throughout use bucket array from cygheap. * sigproc.cc (proc_subproc): Dynamically allocate zombie buffer to save DLL space. (sigproc_fixup_after_fork): Free zombie array after a fork. * sigproc.h (sigproc_fixup_after_fork): Declare. * dir.cc (mkdir): Expand buffer for security descriptor to 4K to avoid stack corruption. * fhandler.cc (fhandler_base::open): Ditto. * path.cc (symlink): Ditto.
* * cygwin.sc: Revert to previous NO_COPY behavior.Christopher Faylor2001-08-311-17/+15
| | | | | | * winsup.h: Ditto. * sigproc.cc: Ditto. * autoload.cc: Ditto.
* * cygwin.sc: New file -- linker script for building cygwin DLL.Christopher Faylor2001-08-311-15/+17
| | | | | | | | | | | | | | | | | | | | | | | * Makefile.in: Use linker script to control location of cygheap. * cygheap.cc (buckets): Make static. (init_cheap): Remove special iswinnt handling. Allocate cygheap at a fixed location. Display more info when allocation fails. (cygheap_fixup_in_child): Try harder to move cygheap to correct location. Display more info when allocation fails. * fhandler.h (fhandler_socket): Add macros for tracking socket shutdown state. * net.cc (cygwin_shutdown): Set appropriate shutdown value for future use. * select.cc (select_stuff::cleanup): New method. (cygwin_select): Call cleanup explicitly to avoid a race. (select_stuff:~select_stuff): Call cleanup chain via cleanup method. (fhandler_socket::select_read): Set *_ready when shutdown has been called on the socket. (fhandler_socket::select_write): Ditto. (fhandler_socket::select_except): Ditto. * winsup.h: Move NO_COPY to "COMMON" section. * autoload.cc (wsock_started): Avoid initializing NO_COPY value. * sigproc.cc: Remove initialization from NO_COPY variables. (sigproc_init): Initialize sig_loop_wait here, rather than via initialization. (subproc_init): Initialize proc_loop_wait here, rather than via initialization.
* Throughout, reorganize header file inclusion to put security.h prior toChristopher Faylor2001-07-261-1/+1
| | | | | | | | fhandler.h. * fhandler.h (fhandler_base::get_inheritance): New method. * fhandler_socket.cc (fhandler_socket::create_secret_event): Use proper close-on-exec inheritance when creating. (fhandler_socket::check_peer_secret_event): Create handle as non-inheritable.
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