Commit Graph

150 Commits

Author SHA1 Message Date
Christopher Faylor 0cd9f74fa5 Regularize most strace_prints throughout so that %E is always preceded by a
comma and elminate most uses of "foo = %s" to "foo %s".
2004-09-03 01:53:12 +00:00
Corinna Vinschen 1d4707111a * spawn.cc (spawn_guts): Check if script is executable. 2004-07-08 09:18:29 +00:00
Christopher Faylor 1a21f33188 * spawn.cc (find_exec): Use has_slash to determine if path has a slash rather
than calculating this twice.
2004-06-02 21:20:54 +00:00
Corinna Vinschen 56551a9bfb * Use new unified status_flag accessor methods from classes fhandler_*,
tty_min, mtinfo and fs_info thoroughout.
	* fhandler.h: Redefine all set_close_on_exec methods to take a bool
	argument.
	(enum conn_state): Rename from connect_state.
	(class fhandler_base): Rename some status flags to align with
	accessor method names.  Drop encoded flag entirely.  Unify status
	accessor methods.  Const'ify all read accessor methods.
	(class fhandler_socket): Ditto.
	(class fhandler_dev_raw): Ditto.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Use fs.fs_is_fat()
	instead of evaluating FATness of file system here.
	(fhandler_disk_file::opendir): Drop call to set_encoded().
	(fhandler_disk_file::readdir): Use pc.isencoded() directly.
	* mtinfo.h (class mtinfo_drive): Const'ify all read accessor methods.
	* path.cc (fsinfo_cnt): Add.
	(fs_info::update): Accomodate class changes. Evaluate file system
	name specific flags right here. Add thread safety for reading and
	writing global fsinfo array.
	* path.h (enum path_types): Drop values for flags kept in fs already.
	(struct fs_info): Move status informatin into private struct type
	status_flags.  Add accessor methods. Remove path and file system
	name string arrays in favor of status bits.
	(class path_conv): Use new fs_info status information where
	appropriate.
	(path_conf::fs_has_ea): Rename from fs_fast_ea.
	(path_conf::fs_has_acls): New method.
	(path_conf::root_dir): Remove.
	(path_conf::volname): Remove.
	* syscalls (statfs): Evaluate root dir locally.
	* tty.h (class tty_min): Unify status accessor methods.  Const'ify
	all read accessor methods.
2004-04-10 13:45:10 +00:00
Christopher Faylor f8a8e7a1f6 * cygtls.cc (_cygtls::remove): Call remove_wq to ensure that wait stuff is
removed from proc_subproc linked list.
* cygtls.h (_cygtls::remove_wq): Declare.
* sigproc.cc (_cygtls::remove_wq): Define.
(proc_subproc): Label event handle appropriately.
* spawn.cc (spawn_guts): Return -1 when wait() fails for spawn types that
require waiting.
2004-03-14 06:34:05 +00:00
Christopher Faylor edc4f86ad2 * Makefile.in (clean): Remove sigfe.s.
(sigfe.s): Ensure that sigfe.s will be regenerated if it does not exist.
* dll_init.cc (dll_dllcrt0): Simplify initializing tests.
* exceptions.cc (setup_handler): Detect when stub caller is either spinning or
has acquired the lock after being suspended to avoid windows problems with
suspending a win32 API call.
* cygtls.h (_cygtls::spinning): Declare new element.
* gendef: Remove unused _siglist_index and _siglist declaration.
(_sigfe): Set spinning element when potentially looping, waiting for lock.
(_sigbe): Ditto.
(_cygtls::lock): Ditto.
(_longjmp): Ditto.
* tlsoffsets.h: Regenerate.
* pinfo.cc (_pinfo::exit): Set final exit state here.  Call sigproc_terminate
if invoked with 'norecord'.  Clear any residual _cygtls stuff.
* winsup.h (exit_states): Define ES_FINAL.
* spawn.cc (spawn_guts): Don't call proc_terminate specifically when execing.
Let _pinfo::exit handle that case.
* sigproc.cc (wait_subproc): Always exit loop early when proc_loop_wait.
* init.cc (munge_threadfunc): Eliminate unused argument.
(dll_entry): Reflect above change in call to munge_threadfunc.
2004-02-13 19:34:32 +00:00
Christopher Faylor cec4879206 * debug.h (console_printf): Define for non-debugging condition.
* cygtls.h (_threadinfo::lock): Remove wait argument.
(_threadinfo::interrupt_setup): Remove retaddr argument.
* exceptions.cc (_threadinfo::interrupt_setup): Ditto.
(_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument.
(setup_handler): Ditto.  Always lock sig stack prior to determining interrupt
method.
* gendef (_sigfe): Correct thinko regarding cmpxchg.
(_sigbe): Ditto.
(_threadinfo::lock): Ditto.
(_threadinfo::pop): Eliminate left-over stack unlock.
* sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
2004-02-09 04:04:24 +00:00
Corinna Vinschen 043878df18 * uinfo.cc (cygheap_user::init): Use sec_user_nih to build a
security descriptor. Set both the process and the default DACLs.
	* fork.cc (fork_parent): Use sec_none_nih security attributes.
	* spawn.cc (spawn_guts): Ditto.
2004-02-06 10:37:37 +00:00
Christopher Faylor 528060195c * fhandler.h (*::fixup_after_exec): Eliminate unused handle argument.
* fhandler.h (dtable::fixup_after_exec): Eliminate unused handle argument.
* dcrt0.cc (dll_crt0_1): Reflect elimination of unused handle argument to
fixup_after_exec.
* dtable.cc (dtable::fixup_after_exec): Ditto.
* fhandler_console.cc (fhandler_console::fixup_after_exec): Ditto.
* fhandler_dsp.cc (fhandler_dsp::fixup_after_exec): Ditto.
* fhandler_raw.cc (fhandler_raw::fixup_after_exec): Ditto.
* fhandler_socket.cc (fhandler_socket::fixup_after_exec): Ditto.
* fhandler_virtual.cc (fhandler_virtual::fixup_after_exec): Ditto.
* pipe.cc (fhandler_pipe::fixup_after_exec): Ditto.
* spawn.cc (spawn_guts): Do not set ciresrv.parent.
* child_info.h (child_info_spawn::~child_info_spawn): Do not close parent.
Update CURR_CHILD_INFO_MAGIC.
* dcrt0.cc (dll_crt0_0): Do not close spawn_info->parent.  Pass NULL to
cygheap->fdtab.fixup_after_exec().
2004-02-02 21:00:07 +00:00
Christopher Faylor f723909038 * configure.in: Remove NEWVFORK default.
* configure: Regenerate.
* dcrt0.cc: Conditionalize vfork stuff throughout.
* dtable.cc: Ditto.
* perthread.h: Ditto.
* pipe.cc (fhandler_pipe::close): Ditto.
* spawn.cc (spawnve): Ditto.
* syscalls.cc (setsid): Ditto.
* exceptions.cc (sigpacket::process): Use macro to refer to vfork pid.
* debug.cc (verify_handle): Define new function.
* debug.h (VerifyHandle): Define new macro.
(verify_handle): Declare new function
* fhandler.cc (fhandler_base::dup): Verify that dup'ed handle is not supposed
to be in use.
(fhandler_base::set_inheritance): Ditto.
(fhandler_base::fork_fixup): Ditto.
* fhandler_socket.cc (fhandler_socket::dup): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* net.cc (set_socket_inheritance): Ditto.
* pinfo.cc (pinfo_fixup_after_exec): Ditto.
* sigproc.cc (proc_subproc): Ditto.
(sig_send): Ditto.
* spawn.cc (spawn_guts): Ditto.
* thread.cc (pthread::init_mainthread): Ditto.
* pipe.cc (fhandler_pipe::close): Close read_state with ForceCloseHandle since
it was protected.
(fhandler_pipe::fixup_after_exec): Protect read_state handle.
(fhandler_pipe::dup): Correctly close open handles on error condition.  Verify
that dup'ed handle is not supposed to be in use.
(fhandler_pipe::create): Protect read_state.
2004-01-23 23:05:33 +00:00
Christopher Faylor 1c5c9a6bfb * spawn.cc (spawn_guts): Change type back to 'int' after erroneous change
below.
2003-12-08 00:21:17 +00:00
Christopher Faylor 2e008fb91f Change use of BOOL, TRUE, FALSE to bool, true, false, as appropriate,
throughout.
* tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit
some comments.
* cygheap.h (init_cygheap::ctty): Add new element.
* devices.in (device::parse): Remove special handling for /dev/tty.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Don't reset /dev/tty device.  Let the device opener
do that.
* fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting
noninherit flag for ctty.
* tty.h: Move BOOLs to bools.
(tty_min::set_ctty): Redeclare to _pinfo class.
* pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty.
Change first argument from tty number to tty_min class.
* pinfo.h (_pinfo::set_ctty): Declare.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of
set_ctty to _pinfo class.
* fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially.  Use
saved cygheap value if it exists.  Otherwise convert to real device and save on
first time open.
(fhandler_tty_common::dup): Potentially set controlling tty if duping a slave
tty.
* syscalls.cc (setsid): Close controlling tty in cygheap.
* tty.cc: Change some BOOLs to bools.
2003-12-07 22:37:12 +00:00
Christopher Faylor 9a4d574b8d Eliminate use of sigframe and sigthread throughout.
* Makefile.in (DLL_OFILES): Add sigfe.o.  Remove reliance on cygwin.def from
cygwin0.dll dependency since dependence on sigfe.o implies that.  Generate def
file on the fly using 'gendef'.
* configure.in: Don't auto-generate cygwin.def.
* configure: Regenerate.
* cygwin.din: Add SIGFE stuff where appropriate.
* dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup.  Set
_main_tls to address of the main thread's cygwin tls.
* debug.h: Remove now unneeded WFSO and WFMO declarations.
* exceptions.cc (_last_thread): Define.
(set_thread_state_for_signals): New function.
(reset_thread_exception_for_signals): Ditto.
(init_thread_for_signals): Ditto.
(delete_thread_for_signals): Ditto.
(capture_thread_for_signals): Ditto.
(handle_exceptions): Set return address explicitly for exceptions prior to
calling sig_send.
(interrupt_on_return): Eliminate.
(setup_handler): Add preliminary implementation for dealing with
thread-specific signals by querying _main_tls.
(signal_exit): Use cygthread::main_thread_id instead of mainthread.id.
(call_signal_handler_now): For now, just handle the main thread.
* fork.cc (vfork): Save and restore main _my_tls.
* gendef: New file.  Generates def file and sigfe.s file.
* gentls_offsets: New file.  Generates offsets for perl to use in sigfe.s.
* how-signals-work.txt: Mention that info is obsolete.
* init.cc (dll_entry): Initialize cygwin tls storage here.
* miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from
asm.
* perthread.h (vfork_save::tls): New element.
* signal.cc (nanosleep): Replace previous use of
sigframe.call_signal_handler_now with straight call to call_signal_handler_now.
(abort): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* sigproc.cc (sig_dispatch_pending): Ditto.
(sig_send): Ditto.
* sigproc.h: Declare call_signal_handler_now.
* thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls.  Remove
obsolete and unworking signal stuff.
* thread.h (verifyable_object::sigs): Eliminate.
(verifyable_object::sigmask): Eliminate.
(verifyable_object::sigtodo): Eliminate.
(verifyable_object::exit): Make attribute noreturn.
(verifyable_object::thread_init_wrapper): Ditto.
(pthread_null::exit): Ditto.
* winbase.h (__stackbase): Always define.
* winsup.h (low_priority_sleep): Declare as a "C" function.
* include/cygwin/version.h: Bump API version to reflect sigwait export.
* include/sys/queue.h: Protect SLIST_ENTRY from previous declaration.
* signal.cc (sigwait): Implement.
* select.cc (fhandler_base::ready_for_read): Add debugging output.
* devices.h: Define more device pointers via their storage.
* devices.in: Don't parse things like /dev/inet/tcp, as they really have no
meaning.
* devices.cc: Regenerate.
* gendevices: Set proper protection for output file.
* cygtls.h: New file.
* gendef: New file.
* gentls_offsets: New file.
* tlsoffsets.h: New file.  Autogenerated.
* config/i386/longjmp.c: Remove.  File subsumed by gendef output.
* config/i386/makefrag: Remove obsolete file.
* fhandler.cc: Remove spurious access_worker declaration.
* spawn.cc (spawnve): Make debugging output more accurate.
* cygwin-gperf: Remove.
* devices.cc: Remove.
2003-11-28 20:55:59 +00:00
Robert Collins 95d02d5b9b 2003-11-11 Robert Collins <rbtcollins@hotmail.com>
Ron Parker <rdparker@butlermfg.com>

	* bsdlib.cc: Update throughout to use CYG_MAX_PATH rather than MAX_PATH.
	* cygheap.h: Ditto.
	* dcrt0.cc: Ditto.
	* delqueue.cc: Ditto.
	* dlfcn.cc: Ditto.
	* dll_init.cc: Ditto.
	* dll_init.h: Ditto.
	* dtable.cc: Ditto.
	* environ.cc: Ditto.
	* environ.h: Ditto.
	* exceptions.cc: Ditto.
	* external.cc: Ditto.
	* fhandler_disk_file.cc: Ditto.
	* fhandler_proc.cc: Ditto.
	* fhandler_process.cc: Ditto.
	* fhandler_raw.cc: Ditto.
	* fhandler_registry.cc: Ditto.
	* fhandler_socket.cc: Ditto.
	* fhandler_virtual.cc: Ditto.
	* miscfuncs.cc: Ditto.
	* mmap.cc: Ditto.
	* netdb.cc: Ditto.
	* path.cc: Ditto.
	* path.h: Ditto.
	* pinfo.cc: Ditto.
	* pinfo.h: Ditto.
	* pthread.cc: Ditto.
	* registry.cc: Ditto.
	* shared.cc: Ditto.
	* shared_info.h: Ditto.
	* smallprint.c: Ditto.
	* spawn.cc: Ditto.
	* strace.cc: Ditto.
	* syscalls.cc: Ditto.
	* thread.h: Ditto.
	* uinfo.cc: Ditto.
	* winsup.h: Ditto.
	* include/limits.h: Ditto.
	* include/cygwin/config.h: Ditto.
	* include/sys/param.h: Ditto.
2003-11-14 23:40:06 +00:00
Pierre Humblet 1eb451937a 2003-09-26 Pierre Humblet <pierre.humblet@ieee.org>
* pinfo.h (pinfo::set_acl): Declare.
	* pinfo.cc (pinfo_fixup_after_fork): Duplicate with no rights.
	(pinfo::set_acl): New.
	* spawn.cc (spawn_guts): Call myself.set_acl.
2003-09-27 01:58:23 +00:00
Corinna Vinschen 0a0a45e22a * spawn.cc (spawn_guts): Set errno to E2BIG if command line is
longer than CreateProcess allows (32K).
2003-09-26 08:45:24 +00:00
Christopher Faylor 6c68fbbc61 * fork.cc (fork_parent): Detect failed pinfo constructor.
* spawn.cc (spawn_guts): Don't overwrite ENOMEM errno on failed pinfo
constructor.
2003-09-26 03:20:30 +00:00
Christopher Faylor 177989407a * spawn.cc (spawnve): Remove vfork short circuit and let caller deal with error
return.
2003-09-26 03:09:42 +00:00
Christopher Faylor 570be9788f * spawn.cc (spawn_guts): Catch potential error from pinfo.remember. Change
debug messages to make sense.  Pass correct value to pinfo constructor.  Ensure
cleanup after errors.  Always reimpersonate after errors.
2003-09-26 02:23:34 +00:00
Christopher Faylor b498c877a1 * spawn.cc (spawn_guts): Move system signal handling stuff after CreateProcess
error check.
2003-09-25 13:49:21 +00:00
Christopher Faylor 7ac6173643 * devices.cc: New file.
* devices.gperf: New file.
* devices.shilka: New file.
* cygwin-gperf: New file.
* cygwin-shilka: New file.
* fhandler_fifo.cc: New file.
* fhandler_nodevice.cc : New file.  Reorganize headers so that path.h precedes
fhandler.h throughout.  Remove device argument and unit arguments from fhandler
constructors throughout.  Remove pc arguments to fhandler functions and use
internal pc element instead, throughout.  Use dev element in pc throughout.
Use major/minor elements rather than units and device numbers previously in
fhandler class.  Use correct methods for fhandler file names rather than
directly accessing file name variables, throughout.
* Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o
* dcrt0.cc (dll_crt0_1): Call device::init.
* devices.h: Renumber devices based on more Linux-like major/minor numbers.
Add more devices.  Declare standard device storage.
(device): Declare struct.
* dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type.
* dtable.cc (dtable::get_debugger_info): Ditto.
(cygwin_attach_handle_to_fd): Ditto.
(dtable::release): Remove special FH_SOCKET case in favor of generic
"need_fixup_before" test.
(dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name
to build standard fhandler.
(dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name.  Move
out of dtable class.  Don't accept a path_conv argument.  Just build it here
and pass it to:
(build_fh_pc): Renamed from dtable::build_fhandler.  Move out of dtable class.
Use intrinsic device type in path_conv to create new fhandler.
(build_fh_dev): Renamed from dtable::build_fhandler.  Move out of dtable class.
Simplify arguments to just take new 'device' type and a name.  Just return
pointer to fhandler rather than trying to insert into dtable.
(dtable::dup_worker): Accommodate above build_fh name changes.
(dtable::find_fifo): New (currently broken) function.
(handle_to_fn): Use strechr for efficiency.
* dtable.h: Reflect above build_fh name changes and argument differences.
(fhandler_base *&operator []): Return self rather than copy of self.
* fhandler.cc (fhandler_base::operator =): Use pc element to set normalized
path.
(fhandler_base::set_name): Ditto.
(fhandler_base::raw_read): Use method to access name.
(fhandler_base::write): Correctly use get_output_handle rather than get_handle.
(handler_base::device_access_denied): New function.
(fhandler_base::open): Eliminate pc argument and use pc element of
fhandler_base throughout.
(fhandler_base::fstat): Detect if device is based in filesystem and use
fstat_fs to calculate stat, if so.
(fhandler_base::fhandler_base): Eliminate handling of file names and, instead,
just free appropriate component from pc.
(fhandler_base::opendir): Remove path_conv parameter.
* fhandler.h: Remove all device flags.
(fhandler_base::pc): New element.
(fhandler_base::set_name): Change argument to path_conv.
(fhandler_base::error): New function.
(fhandler_base::exists): New function.
(fhandler_base::pc_binmode): New function.
(fhandler_base::dev): New function.
(fhandler_base::open_fs): New function.
(fhandler_base::fstat_fs): New function.
(fhandler_base::fstat_by_name): New function.
(fhandler_base::fstat_by_handle): New function.
(fhandler_base::isfifo): New function.
(fhandler_base::is_slow): New function.
(fhandler_base::is_auto_device): New function.
(fhandler_base::is_fs_special): New function.
(fhandler_base::device_access_denied): New function.
(fhandler_base::operator DWORD&): New operator.
(fhandler_base::get_name): Return normalized path from pc.
(fhandler_base::get_win32_name): Return windows path from pc.
(fhandler_base::isdevice): Renamed from is_device.
(fhandler_base::get_native_name): Return device format.
(fhandler_fifo): New class.
(fhandler_nodevice): New class.
(select_stuff::device_specific): Remove array.
(select_stuff::device_specific_pipe): New class element.
(select_stuff::device_specific_socket): New class element.
(select_stuff::device_specific_serial): New class element.
(select_stuff::select_stuff): Initialize new elements.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class
from fhandler_disk_file.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_disk_file::open): Move most functionality into
fhandler_base::open_fs.
(fhandler_base::open_fs): New function.
(fhandler_disk_file::close): Move most functionality into
fhandler_base::close_fs.
(fhandler_base::close_fs): New function.
* fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging
output.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard
urandom device into appropriate place.
(fhandler_socket::accept): Reflect change in fdsock return value.
* fhandler_tty.cc: See "throughouts" above.
* net.cc: Accommodate fdsock change throughout.
(fdsock): Return success or failure, accept fd argument and device argument.
* path.cc (symlink_info::major): New element.
(symlink_info::minor): New element.
(symlink_info::parse_device): Declare new function.
(fs_info::update): Accommodate changes in path_conv class.
(path_conv::fillin): Ditto.
(path_conv::return_and_clear_normalized_path): Eliminate.
(path_conv::set_normalized_path): New function.
(path_conv::path_conv): Set info in dev element.  Use path_conv methods Check
for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff.
where appropriate rather than direct access.  Use set_normalized_path to set
normalized path.
(windows_device_names): Eliminate.
(get_dev): Ditto.
(get_raw_device_number): Ditto.
(get_device_number): Ditto.
(win32_device_name): Call new device name parser to do most of the heavy
lifting.
(mount_info::conv_to_win32_path): Fill in dev field as appropriate.
(symlink_worker): Handle new device files.
(symlink_info::check): Ditto.
(symlink_info::parse_device): Define new function.
* path.h (executable_states): Move here from fhandler.h.
(fs_info): Rename variables to *_storage and create methods for accessing same.
(path_conv): Add dev element, remove devn and unit and adjust inline methods to
accommodate.
(set_normalized_path): Declare new function.
* pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos.
(_pinfo::commune_send): Ditto.
* pipe.cc (fhandler_pipe::close): check for existence of handle before closing
it.
(handler_pipe::create): Rename from make_pipe.  Change arguments to accept
fhandler_pipe array.  Accommodate fifos.
(pipe): Rework to deal with fhandler_pipe::create changes.
(_pipe): Ditto.
* select.cc: Use individual device_specific types throughout rather than
indexing with obsolete device number.
(set_bits): Use is_socket call rather than checking device number.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(conv_to_win32_path): Reflect addition of device argument.
* syscalls.cc (mknod_worker): New function.
(open): Use build_fh_name to build fhandler.
(chown_worker): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(chmod_device): New function.
(chmod): Detect if this is an 'auto' device rather than an on-filesystem device
and handle appropriately.  Use chmod_device to set mode of in-filesystem
devices.
(stat_worker): Eliminate path_conv argument.  Call build_fh_name to construct
fhandler.  Use fh->error() rather than pc->error to detect errors in fhandler
construction.
(access_worker): New function pulled from access.  Accommodate in-filesystem
devices.
(access): Use access_worker.
(fpathconf): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(mknod_worker): New function.
(mknod32): New function.
(chroot): Free normalized path -- assuming it was actually cmalloced.
* tty.cc (create_tty_master): Tweak for new device class.
(tty::common_init): Ditto.
* winsup.h (stat_worker): Remove.
(symlink_worker): Declare.
* exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't
worry about pending_signals since sig_dispatch_pending should always do the
right thing now.
(sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3.
* pinfo.h: Move __SIG enum to sigproc.h.
(PICOM_FIFO): New enum element.
(_pinfo): Remove 'thread2signal' stuff throughout class.
(_pinfo::commune_send): Make varargs.
(_pinfo::sigtodo): Eliminate.
(_pinfo::thread2signal): Ditto.
* signal.cc (kill_worker): Eliminate call to setthread2signal.
* sigproc.cc (local_sigtodo): Eliminate.
(getlocal_sigtodo): Ditto.
(sigelem): New class.
(pending_signals): New class.
(sigqueue): New variable, start of sigqueue linked list.
(sigcatch_nonmain): Eliminate.
(sigcatch_main): Eliminate.
(sigcatch_nosync): Eliminate.
(sigcomplete_nonmain): Eliminate.
(pending_signals): Eliminate.
(sig_clear): Call signal thread to clear pending signals, unless already in
signal thread.
(sigpending): Call signal thread to get pending signals.
(sig_dispatch_pending): Eliminate use of pending_signals and just check
sigqueue.
(sigproc_terminate): Eliminate all of the obsolete semaphore stuff.  Close
signal pipe handle.
(sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send
signals.
(getevent): Eliminate.
(pending_signals::add): New function.
(pending_signals::del): New function.
(pending_signals::next): New function.
(wait_sig): Eliminate all of the obsolete semaphore stuff.  Use pipe to
communicate and maintain a linked list of signals.
* sigproc.h: Move __SIG defines here.  Add __SIGPENDING.
(sig_dispatch_pending): Remove "C" specifier.
(sig_handle): Accept a mask argument.
* thread.cc: Remove signal handling considerations throughout.
2003-09-25 00:37:18 +00:00
Christopher Faylor 0199487e6a * spawn.cc (pthread_cleanup): New struct.
(do_cleanup): New function.
(spawn_guts): Initialize struct for pthread_cleanup handling to ensure proper
restoration of signals if/when thread is cancelled.  Restore settings using
pthread_cancel_pop.
2003-09-20 19:51:48 +00:00
Christopher Faylor bc54734d15 fix accidental checkin 2003-09-20 00:43:33 +00:00
Christopher Faylor d1fb625d2b * syscalls.cc (system): Strip signal considerations from here so that they are
not inherited by a child process.
* spawn.cc (spawn_guts): Handle system() signal stuff here.
* winsup.h (_P_SYSTEM): Define.
2003-09-20 00:31:13 +00:00
Corinna Vinschen 1498189ca8 * cygheap.cc (cygheap_user::set_saved_sid): Rename from set_orig_sid.
* cygheap.h (class cygheap_user): Rename orig_psid, orig_uid and
	orig_gid to saved_psid, saved_uid and saved_gid respectively.
	Rename methods orig_sid and set_orig_sid to saved_sid and set_saved_sid
	respectively.
	* sec_helper.cc (sec_acl): Accomodate above changes.
	* spawn.cc (spawn_guts): Ditto.
	* uinfo.cc (uinfo_init): Ditto.
2003-09-16 09:24:52 +00:00
Pierre Humblet 7119fc0d0b 2003-09-09 Pierre Humblet <pierre.humblet@ieee.org>
* shared_info.h: Include security.h.
	(open_shared): Add psa argument.
	(user_shared_initialize): New declaration.
	* security.h: Add _SECURITY_H guard.
	(sec_user): Use sec_none in the no ntsec case.
	* spawn.cc (spawn_guts): Remove call to load_registry_hive.
	* syscalls (seteuid32): If warranted, call load_registry_hive,
	user_shared_initialize and RegCloseKey(HKEY_CURRENT_USER).
	* shared.cc (user_shared_initialize): New.
	(open_shared): Add and use psa argument.
	(memory_init): Move mount table initialization to
	user_shared_initialize. Call it.
2003-09-10 02:12:26 +00:00
Corinna Vinschen 70249d5687 * cygheap.h (enum impersonation): New enum.
(cygheap_user::token): Delete.
	(cygheap_user::impersonated): Delete.
	(cygheap_user::external_token): New member.
	(cygheap_user::internal_token): New member.
	(cygheap_user::impersonation_state): New member.
	(cygheap_user::issetuid): Modify.
	(cygheap_user::token): New method.
	(cygheap_user::deimpersonate): New method.
	(cygheap_user::reimpersonate): New method.
	(cygheap_user::has_impersonation_tokens): New method.
	(cygheap_user::close_impersonation_tokens): New method.
	* dtable.cc (dtable::vfork_child_dup): Use new cygheap_user methods.
	* fhandler_socket.cc (fhandler_socket::dup): Ditto.
	* fork.cc (fork_child): Ditto.
	(fork_parent): Ditto.
	* grp.cc (internal_getgroups): Ditto.
	* security.cc (verify_token): Ditto.
	(check_file_access): Ditto.
	(cygwin_set_impersonation_token): Detect conflicts. Set
	user.external_token.
	* spawn.cc (spawn_guts): Use new cygheap_user methods.
	* syscalls.cc (seteuid32): Rearrange to use the two tokens
	in cygheap_user.
	(setegid32): Use new cygheap_user methods.
	* uinfo.cc: (internal_getlogin): Ditto.
2003-06-30 13:07:36 +00:00
Christopher Faylor c433f4617f Throughout, remove "include <errno.h>" from files which already include
cygerrno.h.
* include/cygwin/config.h (__DYNAMIC_REENT__): Define.
* include/cygwin/version.h: Bump API minor version.
* cygwin.din: Export __getreent
* cygerrno.h: Include errno.h.  Fix places where _impure_ptr is used directly
to store the errno value.
* debug.cc (__set_errno): Ditto.
* errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled.
* signal.cc: Rename _reent_clib to _REENT throughout.
* thread.h (reent_clib): Remove prototype.
* thread.cc (reent_clib): Rename reent_clib to __getreent.  Return _impure_ptr
until MTinterface is initialized.
(reent_winsup): Fix a possible SEGV when _r == NULL.  Return NULL instead.
* MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep
signal handling running when fork is called from a thread other than the
mainthread.
2003-06-16 03:24:13 +00:00
Corinna Vinschen 271c1935b3 * spawn.cc (spawn_guts): Call CreateProcess while impersonated,
when the real {u,g}ids and the groups are original.
	Move RevertToSelf and ImpersonateLoggedOnUser to the main line.
	* uinfo.cc (uinfo_init): Reorganize. If CreateProcess was called
	while impersonated, preserve the uids and gids and call
	ImpersonateLoggedOnUser. Preserve the uids and gids on Win9X.

	* exceptions.cc (error_start_init): Quote the pgm in the command.
2003-06-09 13:29:12 +00:00
Christopher Faylor 0c8fe17278 * spawn.cc (spawn_guts): Don't hang around if the parent doesn't exist. 2003-06-03 02:32:49 +00:00
Christopher Faylor d8ee8ca551 * spawn.cc (spawn_guts): Show more of command line in strace output. 2003-05-19 01:43:31 +00:00
Christopher Faylor 7a44ba059b * spawn.cc (linebuf::~linebuf): Resurrect commented out (for debugging?) code. 2003-02-13 02:52:41 +00:00
Corinna Vinschen 4f7e12dd26 * syscalls.cc (seteuid32): On Win95 get the pw entry. If it exists
update the euid and call cygheap->user.set_name. Remove special
	handling of ILLEGAL_UID.
	(setgid32): Add a debug_printf. On Win95, always set the egid.
	Remove special handling of ILLEGAL_GID. Do not compare gid and gr_gid.
	* child_info.h (class cygheap_exec_info): Remove uid.
	* spawn.cc (spawn_guts): Do not set ciresrv.moreinfo->uid.
	* dcrto.cc (dll_crt0_1): Always call uinfo_init.
	* uinfo.cc (uinfo_init): Reorganize and close handle if needed.
	(cygheap_user::ontherange): Do not call internal_getpwnam if pw is NULL.
2003-01-25 10:36:46 +00:00
Christopher Faylor fef1edbc9a * dtable.cc (dtable::set_file_pointers_for_exec): New function.
* dtable.h (dtable::set_file_pointers_for_exec): Declare new function.
* spawn.cc (spawn_guts): Call dtable::set_file_pointers_for_exec to set
pointers to EOF when execing non-cygwin applications.
2002-10-17 17:45:09 +00:00
Christopher Faylor 969203ce91 * cygthread.cc (cygthread::stub): Reintroduce clearing of __name but do it
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.
2002-10-14 03:51:44 +00:00
Christopher Faylor 3f5046a540 * cygthread.cc (cygthread::stub): Don't create event for long-running threads.
Initialize thread_sync event here which is used to Suspend using an event
rather than relying on SuspendThread/ResumeThread.
(cygthread::init): Save handle to runner thread for future termination.
(cygthread::cygthread): Only resume thread when it is actually suspended.
Otherwise signal thread completion event.
(cygthread::terminate): Forcibly terminate runner thread and any helper
threads.  Call DisableThreadLibrary calls if execing.
* cygthread.h (cygthread::thread_sync): Declare.
* dcrt0.cc (do_exit): Eliminate calls to obsolete window_terminate and
shared_terminate.
* exceptions.cc (events_terminate): Don't bother closing title_mutex since it
is going away anyway.
* pinfo.cc (_pinfo::exit): Call cygthread::terminate to ensure that threads are
shut down before process exit or otherwise strange races seem to occur.
* shared.cc (shared_terminate): Eliminate.
* shared.h (shared_terminate): Eliminate declaration.
* winsup.h (window_terminate): Eliminate declaration.
* spawn.cc (spawn_guts): Call cygthread::terminate early in process if execing.
Call DisableThreadLibrary calls if execing.
* window.cc (Winmain): Call ExitThread to force exit.
(window_terminate): Eliminate.
* dcrt0.cc (do_exit): Track exit state more closely.
2002-10-13 18:16:33 +00:00
Christopher Faylor 7da53596cf * cygheap.cc (dup_now): Make fatal error a little more informative.
(cygheap_setup_for_child): Detect when default size of shared region is less
than the current size and allocate that much.
(_cbrk): Just return NULL on inability to allocate.
(_cmalloc): Ditto.
* cygheap.h (CYGHEAPSIZE): Change size to reflect newer, tinier fhandler sizes.
* spawn.cc (av::error): New element, reflects potential errno from cmalloc.
(av::~av): Don't free NULL pointers.
(av::replace0_maybe): Detect out-of-memory conditions.
(av::dup_maybe): Ditto.
(av::dup_all): Ditto.
(av::unshift): Ditto.
(spawn_guts): Set errno and return if argv creation ran into problems.
* fhandler.h (fhandler_union): Change member names to something safer.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Always set
fhandler_console::dev_state regardless of whether shared region is initialized.
* cygthread.cc (cygthread::runner): Use ExitThread rather than return
(planning for future).
2002-10-09 04:08:05 +00:00
Christopher Faylor 580e99a151 Cleanup calls to CreateFile throughout.
* dcrt0.cc (__api_fatal): Correctly check for failing return from CreateFile.
* assert.cc (__assert): Don't check return value from CreateFile for NULL.
* fhandler_console.cc (set_console_state_for_spawn): Ditto.
* fork.cc (fork_parent): Ditto.
2002-09-19 15:12:48 +00:00
Christopher Faylor 8dca9e2302 * perthread.h (vfork_save): Add ctty, sid, pgid, exitval fields.
(vfork_save::restore_pid): New method.
(vfork_save::restore_exit): New method.
* fork.cc (vfork): Save ctty, sid, pgid and restore them when returning to
"parent".  Use exitval field if exiting but never created a new process.
* syscalls.cc (setsid): Detect when in "vfork" and force an actual fork so that
pid will be allocated (UGLY!).
(getsid): New function.
* dcrt0.cc (do_exit): Use vfork_save::restore_exit method for returning from a
vfork.
* spawn.cc (spawnve): Use vfork_save::{restore_pid,restore_exit} methods for
returning from vfork.
* cygwin.din: Export getsid.
* include/cygwin/version.h: Bump api minor number.
* malloc.cc: #ifdef sYSTRIm for when MORECORE_CANNOT_TRIM is true.
2002-08-18 05:49:26 +00:00
Christopher Faylor 115a0885bc * spawn.cc (spawn_guts): Don't set mount_h here.
* sigproc.cc (init_child_info): Set it here instead.
* shared.cc (cygwin_mount_h): Make NO_COPY.
2002-08-06 05:48:33 +00:00
Christopher Faylor 0301bfd0ac * debug.h (handle_list): Move here from debug.cc. Add "inherit" flag
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.
2002-07-13 20:00:27 +00:00
Christopher Faylor e40670ee48 * cygheap.h (cygheap_user::issetuid): New method.
* dtable.cc (dtable::vfork_child_dup): Use new method to determine if we are in
"setuid mode."
* fork.cc (fork_parent): Ditto.
* spawn.cc (spawn_guts): Ditto.
* syscalls.cc (seteuid32): Ditto.
(setegid32): Ditto.
* environ.cc (spenv::retrieve): (Suggested by Pierre Humblet) Do potential
recalculation of cygheap_user stuff when in setuid mode.  Return special value
when environment variable exists but should not be added.
(build_env): Don't add retrieved value to dstp if it is 'dont_add'.
2002-06-16 23:34:43 +00:00
Christopher Faylor 5c8bce24b3 * spawn.cc (spawn_guts): Revert removal of ciresrv.moreinfo->uid = ILLEGAL_UID. 2002-06-16 04:25:54 +00:00
Christopher Faylor 6d171b4482 * cygheap.h (cygheap_user::userprofile_env_buf): New static member.
* environ.cc (build_env): Add debugging statement.
(spenvs): Switch functions for USERDOMAIN and USERNAME.
* spawn.cc (spawn_guts): Move environment initialization prior to
cygheap_setup_for_child or environment info will never be copied to child.
2002-06-14 21:46:19 +00:00
Christopher Faylor 9a771b2961 * cygheap.cc (cygheap_user::set_logsrv): Remove.
(cygheap_user::set_domain): Ditto.
* cygheap.h (cygheap_user::set_logsrv): Remove declaration.
(cygheap_user::set_domain): Ditto.
(cygheap_user::env_domain): Declare new method.
(cygheap_user::env_name): Ditto.
* environ.cc (spenvs): Add two environment variables.
* spawn.cc (spawn_guts): Call build_env after RevertToSelf.  Always set
ciresrv.mount_h.
(cygheap_user::ontherange): Recalculate homedrive/homepath if they are empty.
Use env_logsrv to get logon server.
(cygheap_user::env_logsrv): Calculate server name here rather than relying on
it having been previously calculated.
(cygheap_user::env_domain): Ditto for domain name.
(cygheap-user::env_name): New method.
* syscalls.cc (seteuid32): Do not get or set the environment.  Do not call
LookupAccountSid nor internal_getlogin.  Set cygheap->user name and sid from
the passwd entry.
* uinfo.cc (uinfo_init): Only call internal_getlogin when starting from a non
Cygwin process and use the values returned in user.
(internal_getlogin): Simplify to case where starting from a non Cygwin process.
Store return values in user and return void.  Do not set the Windows default
environment.
* dcrt0.cc (dll_crt0_1): Call uinfo_init only when needed.  Do not set
myself->uid nor reset user.sid.
* spawn.cc (spawn_guts): Get the sid from cygheap->user.  Always
RevertToSelf().  Don't set uid in impersonated case.
* cygheap.cc (cygheap_user::set_sid): Do not set orig_sig.
(cygheap_user::set_orig_sid): New.
* cygheap.h: Declare cygheap_user::set_sid.
* winsup.h: Add argument to uinfo_init().
2002-06-14 18:01:21 +00:00
Christopher Faylor da086d020c * cygheap.cc (cygheap_user::set_name): Set homedrive and homepath to NULL on
user name change.
(cygheap_user::set_logsrv): Allocate enough space for leading \\ so that we can
put this in the environment, if needed.
* cygheap.h (homebodies): New enum.
(cygheap_user::homedrive): New field.
(cygheap_user::homepath): Ditto.
(cygheap_user::env_logsrv): New method.
(cygheap_user::env_homepath): New method.
(cygheap_user::env_homedrive): New method.
(cygheap_user::env_userprofile): New method.
(cygheap_user::ontherange): New method.
* environ.cc (envsize): Eliminate debugging argument.
(environ_init): Assume that envc counts number of elments not total size.
(spenv): New class.
(spenvs): New array, renamed from forced_winenv_vars, using spenv.
(spenv::retrieve): New method.
(build_env): Rename from 'winenv' -- one stop shopping for building new
environment blocks for both windows and "unix".
* environ.h (build_env: Declare.
(winenv): Delete declaration.
(envsize): Ditto.
* spawn.cc (spawn_guts): Use build_env to build windows and cygwin environment
blocks.
* uinfo.cc (internal_getlogin): Eliminate environment manipulation.  Default to
info from GetUserName if it exists.  Move HOMEPATH and HOMEDRIVE stuff
elsewhere.  Move HOME setting elsewhere.  Only set HOME environment variable in
processes that are not parented by a cygwin process.
(cygheap_user::ontherange): Define new method.
(cygheap_user::env_logsrv): Ditto.
(cygheap_user::env_homepath): Ditto.
(cygheap_user::env_homedrive): Ditto.
(cygheap_user::env_userprofile): Ditto.
2002-06-12 05:13:54 +00:00
Christopher Faylor 077d8b23c8 * spawn.cc (spawn_guts): More hToken removal cleanup. 2002-06-11 16:06:16 +00:00
Christopher Faylor d5377829a8 * spawn.cc (spawn_guts): Define sec_attribs and call sec_user_nih() only once. 2002-06-11 02:22:02 +00:00
Christopher Faylor 380aaf2d2c * Makefile.in: Ensure that -MD gets added to CFLAGS regardless of CFLAGS
command-line setting.
* cygwin.din: Export sexec* functions as function which returns ENOSYS
(i.e., sexec* is deprecated).
* dtable.cc (dtable::vfork_child_dup): Ensure that impersonation is restored
even on failure.
* exec.cc: Throughout, remove references to sexec* and _spawnve.
* pinfo.h: Remove _spawnve declaration.
* spawn.cc: Rename _spawnve to spawnve and use throughout.
(spawn_guts): Eliminate hToken argument and processing of same.  Just perform
special actions if impersonating.
(spawnve): Rename from _spawnve.
2002-06-11 02:08:00 +00:00
Corinna Vinschen a8d7ae61e7 Change internal uid datatype from __uid16_t to __uid32_t
throughout.
	* cygwin.din: Export new symbols getpwuid32, getpwuid_r32, getuid32,
	geteuid32, setuid32, seteuid32.
	* passwd.cc (getpwuid32): New function.
	(getpwuid_r32): Ditto.
	* syscalls.cc (seteuid32): Ditto.
	(setuid32): Ditto.
	* uinfo.cc (getuid32): Ditto.
	(geteuid32): Ditto.
	* winsup.h (uid16touid32): New macro, correclt casting from __uid16_t
	to __uid32_t.
	(gid16togid32): Ditto fir gids.
	(getuid32): Declare.
	(geteuid32): Ditto.
	(getpwuid32): Ditto.
	* include/sys/cygwin.h (struct external_pinfo): Add members uid32 and
	gid32.
2002-05-29 15:04:29 +00:00