Commit Graph

170 Commits

Author SHA1 Message Date
Corinna Vinschen 4d9ba012a9 * mmap.cc (mprotect): Add missing break. 2003-02-14 21:15:16 +00:00
Corinna Vinschen 4136fdb16b * mmap.cc (mmap_record::alloc_map): De-inline. Add offset and length
parameter.  Only protect pages actually unused currently.  Do job
	of map_map() when initializing a map.
	(mmap_record::map_map): Reduce functionality for the reuse case
	of private anonymous mapping.
	(mmap_record::fixup_map): Format change.
	(list::add_record): Add offset and length parameter to call
	mmap_record::alloc_map() correctly.
	(mmap64): Rename `l' variable to `map_list'.  Accomodate above changes.
	(munmap): Rename `l' variable to `map_list'.
	(msync): Ditto.
	(fhandler_disk_file::mmap): Streamline code.
	(mprotect): Ditto.
	(fixup_mmaps_after_fork): Rename `l' variable to `map_list'.
2003-02-07 20:57:30 +00:00
Corinna Vinschen 41429bc99b * mmap.cc (fixup_mmaps_after_fork): Add ERROR_NOACCESS to the list of
ReadProcessMemory() error codes that trigger a retry with temporary
	PAGE_READONLY access.  Note that this can occur on NT 4.0.
2003-01-16 14:11:10 +00:00
Corinna Vinschen ce542f7867 * autoload.cc: Fix copyright date.
* fhandler_dsp.cc: Ditto.
	* mmap.cc: Ditto.
	* net.cc: Ditto.
	* ntdll.h: Ditto.
	* signal.cc: Ditto.
	* syscalls.cc: Ditto.
	* uname.cc: Ditto.
	* wait.cc: Ditto.
2003-01-15 10:21:23 +00:00
Corinna Vinschen 15996b6f08 * mmap.cc (fixup_mmaps_after_fork): Copy protection to child process.
Change ambiguous debug output.
2003-01-14 21:01:43 +00:00
Corinna Vinschen 857b65ddba * mmap.cc (mmap_record::access): Change argument type to caddr_t
for strictness.
	(mprotect): Protect against calling VirtualProtect() for shared
	pages on 9x/Me.
	(fixup_mmaps_after_fork): If ReadProcessMemory() fails, try to
	change protection of parent page to PAGE_READONLY, then try again.
	Revert protection afterwards.
2003-01-14 20:40:09 +00:00
Christopher Faylor 5ec14fe40a Change _function() to function() throughout.
* 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.
2002-10-21 01:00:58 +00:00
Corinna Vinschen f4b098d95e * errno.cc (errmap): Map ERROR_INVALID_ADDRESS to new errno code
EOVERFLOW.
	(_sys_errlist): Add entries for EILSEQ and EOVERFLOW.
	(strerror): Ditto.
	* mmap.cc (map_map): Set errno in case of error.
	(mmap64): Remove setting errno explicitely to ENOMEM.
2002-09-24 14:17:50 +00:00
Corinna Vinschen 6b579509ea * mmap.cc (map_map): Add debug output.
(mmap64): Evaluate gran_len correctly even if offset isn't 0.
2002-09-24 13:48:07 +00:00
Christopher Faylor f0227ea3c7 More GNUify non-GNU formatted functions calls throughout. 2002-09-23 00:31:31 +00:00
Christopher Faylor c90e1cf179 * fhandler.cc (fhandler_base::dup): Don't set handle on failure. Caller has
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.
2002-09-22 03:38:57 +00:00
Corinna Vinschen 5b509758a0 * mmap.cc (list::match): Check using pagesize aligned size. 2002-06-27 13:01:35 +00:00
Christopher Faylor 6b7cd251c7 Remove unneeded sigproc.h includes throughout.
* fhandler.h (fhandler_proc::fill_filebuf): Take a pinfo argument.
* fhandler_proc.cc (fhandler_proc::get_proc_fhandler): Simplify search for
given pid.
(fhandler_proc::readdir): Assume that pid exists if it shows up in the winpid
list.
* fhandler_process.cc (fhandler_process::open): Simplify search for given pid.
Call fill_filebuf with pinfo argument.
(fhandler_process::fill_filebuf): Pass pinfo here and assume that it exists.
* pinfo.h (pinfo::remember): Define differently if sigproc.h is not included.
* dll_init.cc (dll_list::detach): Don't run destructor on exit.
2002-06-02 06:07:01 +00:00
Christopher Faylor 2402700d07 * autoload.cc (LoadFuncEx): Define via new LoadFuncEx2 macro.
(LoadFuncEx2): Adapted from LoadFuncEx.  Provides control of return value for
nonexistent function.
(NtQueryObject): Declare.
(IsDebuggerPresent): Declare via LoadFuncEx2 and always return true if not
available.
* debug.h (being_debugged): Just rely on IsDebuggerPresent return value.
* dtable.cc (handle_to_fn): New function.
(dtable::init_std_file_from_handle): Attempt to derive std handle's name via
handle_to_fn.
(dtable::build_fhandler_from_name): Fill in what we can in path_conv structure
when given a handle and path doesn't exist.
* fhandler.cc (fhandler_base::open): Don't set the file pointer here.  Use
pc->exists () to determine if file exists rather than calling GetFileAttributes
again.
* fhandler.h (fhandler_base::exec_state_isknown): New method.
(fhandler_base::fstat_helper): Add extra arguments to declaration.
(fhandler_base::fstat_by_handle): Declare new method.
(fhandler_base::fstat_by_name): Declare new method.
* fhandler_disk_file (num_entries): Make __stdcall.
(fhandler_base::fstat_by_handle): Define new method.
(fhandler_base::fstat_by_name): Define new method.
(fhandler_base:fstat): Call fstat_by_{handle,name} as appropriate.
(fhandler_disk_file::fstat_helper): Accept extra arguments for filling out stat
structure.  Move handle or name specific stuff to new methods above.
(fhandler_disk_file::open): Use real_path->exists rather than calling
GetFileAttributes again.
* ntdll.h (FILE_NAME_INFORMATION): Define new structure.
(OBJECT_INFORMATION_CLASS): Partially define new enum.
(OBJECT_NAME_INFORMATION): Define new structure.
(NtQueryInformationFile): New declaration.
(NtQueryObject): New declaration.
* path.cc (path_conv::fillin): Define new method.
* path.h (path_conv::fillin): Declare new method.
(path_conv::drive_thpe): Rename from 'get_drive_type'.
(path_conv::volser): Declare new method.
(path_conv::volname): Declare new method.
(path_conv::root_dir): Declare new method.
* syscalls.cc (fstat64): Send real path_conv to fstat as second argument.
2002-05-28 01:55:40 +00:00
Christopher Faylor d7b4a30001 Remove unneeded sync.h, where appropriate, throughout. Remove unneeded heap.h,
where appropriate, throughout.  Remove unneeded exceptions.h, where
appropriate, throughout.  Remove unneeded perprocess.h, where appropriate,
throughout.
2002-05-25 02:22:50 +00:00
Christopher Faylor ff93854697 * dtable.cc (dtable::build_fhandler_from_name): Just pass posix path along to
set_name via return_and_clear_normalized_path.
(dtable::build_fhandler): New method with const char * argument.
(dtable::reset_unix_path_name): Eliminate.
(dtable::dup_worker): Use correct build_fhandler method.
* mmap.cc (mmap_record::alloc_fh): Ditto.
* dtable.h (dtable::build_fhandler): New method.
(dtable::reset_unix_path_name): Eliminate.
* fhandler.cc (fhandler_base::set_name): Assume that unix_name has already been
cmalloced.
(fhandler_base::reset_unix_path_name): Eliminate.
(fhandler_base::~fhandler_base): Coercion for cfree.
* fhandler.h (fhandler_base::unix_path_name): Make const char *.
(fhandler_base::win32_path_name): Ditto.
(fhandler_base::reset_unix_path_name): Eliminate.
* fhandler_disk_file.cc (fhandler_cygdrive::set_drives): Accommodate const char
*ness of win32_path_name.
* fhandler_socket.cc (fhandler_socket::fstat): Accommodate new set_name
requirements.
* path.cc (path_conv::return_and_clear_normalized_path): New method.
(path_conv::clear_normalized_path): Eliminate.
(path_conv::~path_conv): Ditto.
(path_conv::check): Accommodate new build_fhandler method.
* path.h (path_conv::~path_conv): Eliminate.
(path_conv::clear_normalized_path): Ditto.
(path_conv::return_and_clear_normalized_path): Declare new method.
2002-05-24 05:44:10 +00:00
Corinna Vinschen bbe0913914 * mmap.cc (mmap_record::map_map): Return -1 if VirtualProtect fails.
(list::erase): New method with no argument.  Erase latest record
	added.
	(mmap64): Fail if map_map() fails.
2002-03-13 20:54:57 +00:00
Corinna Vinschen 2817e0dc89 * mmap.cc (msync): Check area given by addr and len for being a
contigeous mmap'd region.
2002-03-11 20:23:09 +00:00
Corinna Vinschen 713fb38b7c * fork.cc (fork_child): Call fixup_mmaps_after_fork() before
closing parent process handle.  Call fixup_mmaps_after_fork()
	with parent process handle as parameter.
	* mmap.cc (mmap_record::access): New method.
	(fixup_mmaps_after_fork): Take process handle as parameter.
	In case of FILE_MAP_COPY access, copy valid memory regions to child.
	* pinfo.h (fixup_mmaps_after_fork): Change prototype accordingly.
2002-03-11 17:57:22 +00:00
Corinna Vinschen acb5617538 * cygwin.din (fstat64): New symbol.
(ftruncate64): Ditto.
	(lseek64): Ditto.
	(lstat64): Ditto.
	(mmap64): Ditto.
	(seekdir64): Ditto.
	(stat64): Ditto.
	(telldir64): Ditto.
	(truncate64): Ditto.
	* dir.cc (telldir64): New function.
	(telldir): Call telldir64().
	(seekdir64): New function.
	(seekdir): Call seekdir64().
	* fhandler.h: Redefine all methods using __off32_t to use __off64_t.
	* fhandler.cc: Use __off64_t and struct __stat64 throughout.
	* fhandler_clipboard.cc: Ditto.
	* fhandler_disk_file.cc: Ditto.
	* fhandler_dsp.cc: Ditto.
	* fhandler_floppy.cc: Ditto.
	* fhandler_mem.cc: Ditto.
	* fhandler_random.cc: Ditto.
	* fhandler_socket.cc: Ditto.
	* fhandler_tape.cc: Ditto.
	* fhandler_zero.cc: Ditto.
	* pipe.cc: Ditto.
	* glob.c: Ditto, call lstat64 and stat64 in Cygwin.
	* mmap.cc: Use __off64_t throughout.
	(mmap64): New function.
	* sec_acl.cc (acl_worker): Use struct __stat64, call stat64 and lstat64.
	* syscalls.cc (lseek64): New function.
	(stat64_to_stat32): Ditto.
	(fstat64): Ditto.
	(stat64): Ditto.
	(lstat64): Ditto.
	(ftruncate64): Ditto.
	(truncate64): Ditto.
	(_fstat): Call fstat64.
	(_stat): Call stat64.
	(cygwin_lstat): Rename to avoid declaration problem.  Call lstat64.
	(stat_worker): Use struct __stat64.
	(access): Ditto.
	(ftruncate): Call ftruncate64.
	(truncate): Call truncate64.
	* wincap.cc: Set flag has_64bit_file_access appropriately.
	* wincap.h: Add flag has_64bit_file_access.
	* winsup.h (ILLEGAL_SEEK): Define as __off64_t.
	(stat_dev): Declare using struct __stat64.
	(stat_worker): Ditto.
	* include/cygwin/stat.h (struct __stat32): Define if compiling Cygwin.
	(struct __stat64): Ditto.
	(struct stat): Revert definition with explicitly sized datatypes.
	Eliminate sized field names.
	* include/cygwin/types.h (blksize_t): New type.
	(__blkcnt32_t): Ditto.
	(__blkcnt64_t): Ditto.
	(blkcnt_t): Ditto.
2002-02-25 17:47:51 +00:00
Christopher Faylor 083abe5428 * sync.h (new_muto): Just accept an argument which denotes the name of the
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.
2002-02-22 19:33:41 +00:00
Corinna Vinschen b31c68c447 * child_info.h, cygheap.h, fhandler_clipboard.cc, fhandler_dsp.cc,
fhandler_floppy.cc, fhandler_mem.cc, fhandler_random.cc,
	fhandler_tape.cc, fhandler_zero.cc, grp.cc, mmap.cc, passwd.cc,
	pinfo.cc, pinfo.h, pipe.cc, sec_acl.cc, sec_helper.cc, security.cc,
	security.h, thread.h, uinfo.cc, include/cygwin/acl.h: Fix copyright.
2002-02-10 13:50:13 +00:00
Corinna Vinschen de4e0d3001 * (child_info.h, cygheap.h, dcrt0.cc, dir.cc, fhandler.cc, fhandler.h,
fhandler_clipboard.cc, fhandler_disk_file.cc, fhandler_dsp.cc,
	fhandler_floppy.cc, fhandler_mem.cc, fhandler_random.cc,
	fhandler_tape.cc, fhandler_zero.cc, grp.cc, mmap.cc, passwd.cc,
	pinfo.cc, pinfo.h, pipe.cc, sec_acl.cc, sec_helper.cc, security.cc,
	security.h, spawn.cc, syscalls.cc, thread.h, uinfo.cc, winsup.h):
	Change usage of uid_t to __uid16_t, gid_t to __gid16_t and
	off_t to __off32_t throughout.  Use INVALID_UID, INVALID_GID and
	INVALID_SEEK instead casting -1 to the appropriate type.
	* winsup.h: Define INVALID_UID, INVALID_GID and INVALID_SEEK.
	* include/cygwin/acl.h: Define internal __aclent16_t and __aclent32_t
	types.  Don't declare acl functions when compiling Cygwin.
	* include/cygwin/grp.h: Declare getgrgid() and getgrnam() with
	correct types for internal usage.
2002-02-10 13:38:51 +00:00
Corinna Vinschen 910e57ec84 * mmap.cc (mmap_record::find_empty): Add input parameter check. 2001-11-05 20:58:22 +00:00
Christopher Faylor 9c510edc61 Eliminate excess whitespace. 2001-11-05 06:09:15 +00:00
Christopher Faylor 5a23087628 * mmap.cc (mmap): Assign 'fh' from cygheap_fdget. Use 'fh' everywhere. 2001-10-16 14:04:26 +00:00
Christopher Faylor df63bd490a * fhandler.cc (fhandler_base::fork_fixup): Don't protect handle.
* dlfcn.cc: Fix to confirm to coding standards.  Reorganize includes throughout
to accomodate new cygheap.h usage.
* cygheap.h (cygheap_fdmanip): New class: simplifies locking and retrieval of
fds from cygheap->fdtab.
(cygheap_fdget): Ditto.
(cygheap_fdnew): Ditto.
* fcntl.cc (_fcntl): Use new method to lock fdtab and retrieve info.
* ioctl.cc (ioctl): Ditto.
* mmap.cc (mmap): Ditto.
* net.cc: Ditto, throughout.
* passwd.cc (getpass): Ditto.
* path.cc (fchdir): Ditto.
* pipe.cc (make_pipe): Ditto.
* sec_acl.cc (facl): Ditto.
* syscalls.cc: Ditto, throughout.
* termios.cc: Ditto, throughout.
2001-10-15 23:39:33 +00:00
Christopher Faylor 0476bae576 * fhandler_dsp.cc (fhandler_dsp::ioctl): Return 0 for successful
SNDCTL_DSP_GETBLKSIZE operation.  Remove obsolete 'name' arg from fhandler_*
constructors throughout.
* winsup.h (winsock_active): New macro.
(winsock2_active): Ditto.
* autoload.cc (wsock_init): Use new macros to decide if winsock or winsock2 is
loaded.
(nonexist_wsock32): Dummy function to force winsock load.
(nonexist_ws2_32): Dummy function to force winsock2 load.
* fhandler.h (fhandler_socket::fstat): Declare new method.  Currently unused.
* fhandler_socket.cc (fhandler_socket::fixup_before_fork_exec): Check that
winsock2 is active before trying WSADuplicateSocketA.
(fhandler_socket::fixup_after_fork): Add extra check for winsock2_active.
Otherwise use iffy procedures for Windows 95.
(fhandler_socket::fixup_after_exec): Add debugging.
(fhandler_socket::dup): Add debugging.
(fhandler_socket::fstat): New method.
(fhandler_socket::set_close_on_exec): Attempt to perform iffy stuff on Windows
95.
* errno.cc (_sys_nerr): Work around compiler strangeness.
* pinfo.cc (winpids::add): Add extra element at end of allocated array for
setting to NULL.
(winpids::enumNT): Ditto.
(winpids::init): Don't modify pidlist if it hasn't been allocated
(possibly due to malloc problem).
2001-10-13 17:23:35 +00:00
Christopher Faylor 47063f00e4 Add "path.h" include throughout, where needed. Use new path_conv methods and
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.
2001-10-01 04:10:07 +00:00
Corinna Vinschen f4f30cf140 * mmap.cc (mmap): Move setting the access after evaluating fd.
Remove useless comment.  Explain copy-on-write problem of 9x
        more detailed.  Don't set access to FILE_MAP_COPY on 9x only
        when anonymous mapping is requested.
        (fhandler_disk_file::mmap): Remove useless device check.
        Add debug output.
2001-09-27 22:39:50 +00:00
Corinna Vinschen 7cffc34564 * mmap.cc (mmap): Don't reuse anonymous memory in MAP_FIXED case. 2001-09-18 17:10:09 +00:00
Corinna Vinschen ba94682838 * Makefile.in: Build wincap.o.
* wincap.cc: New file.
        * wincap.h: Ditto.
        * autoload.cc: Add dynamic load statement for `CreateHardLinkA'.
        * dcrt0.cc (os_being_run): Eliminated.
        (osname): Ditto.
        (iswinnt): Ditto.
        (set_os_type): Ditto.
        (dll_crt0_1): Call wincap.init() instead of set_os_type().
        (_dll_crt0): Ditto.
        * environ.cc (set_chunksize): New function.
        (parse_thing): `forkchunk' setting now invokes function `set_chunksize'.
        * fork.cc (chunksize): Eliminated. Moved to be member of wincap.
        * host_dependent.h: Removed.
        * syscalls.cc (_link): Try using `CreateHardLinkA' first, if available.
        * cygheap.cc, dcrt0.cc, delqueue.cc, dir.cc,
        environ.cc, fhandler.cc, fhandler.h, fhandler_console.cc,
        fhandler_mem.cc, fork.cc, mmap.cc, net.cc, pinfo.cc, pinfo.h,
        security.cc, syscalls.cc, sysconf.cc, syslog.cc, thread.cc,
        times.cc, tty.cc, uinfo.cc, uname.cc, winsup.h: Use new wincap
        capability check throughout.
        * winsup.h: Include wincap.h. Eliminate extern declarations of
        `os_being_run' and `iswinnt'. Eliminate `os_type" definition.
        * include/cygwin/version.h: Bump version to 1.3.4.
2001-09-12 17:46:37 +00:00
Christopher Faylor e3c25c4a47 Update copyrights. 2001-09-11 20:01:02 +00:00
Christopher Faylor 9867ecfdb3 * child_info.h: Modify magic number.
* dcrt0.cc (_cygwin_testing): Define.
(_dll_crt0): Set _cygwin_testing if CYGWIN_TESTING environment variable exists.
Don't issue "conflicting versions" error if _cygwin_testing is true.
* shared.cc (shared_name): Use _cygwin_testing global rather than testing the
environment.
* syscalls.cc (_write): Remove debugging info.
2001-09-03 02:13:05 +00:00
Christopher Faylor e5ba4c060e Throughout, change check for running under Windows NT to 'iswinnt'.
* dcrt0.cc (set_os_type): Set 'iswinnt' appropriately.
* cygheap.cc (init_cheap): Revert to using VirtualAlloc for allocating cygheap.
(cygheap_setup_for_child_cleanup): New function.  Standard function to call
after calling CreateProcess to cleanup cygheap info passed to child.
(cygheap_fixup_in_child): Copy cygheap from shared memory into allocated space
under Windows 9x or if can't relocate shared space under NT.
* cygheap.h: Declare new function.
* spawn.cc (spawn_guts): Use cygheap_fixup_in_child.
* fork.cc (fork_parent): Ditto.
* winsup.h: Declare iswinnt.
2001-08-04 21:10:52 +00:00
Christopher Faylor 6b91b8d53b Throughout, reorganize header file inclusion to put security.h prior to
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.
2001-07-26 19:22:24 +00:00
Corinna Vinschen 8595942c8e * mmap.cc (fhandler_disk_file::mmap): Try to open file mappings
by a unified name when running under 9x/ME. If that failes, create
        the file mapping using the unified name.
2001-07-10 21:04:14 +00:00
Christopher Faylor 462f4effb1 * mmap.cc: Clean up *ResourceLock calls throughout.
* thread.cc (pthread_cond::TimedWait): Check for WAIT_TIMEOUT as well as
WAIT_ABANDONED.
(__pthread_cond_timedwait): Calculate a relative wait from the abstime
parameter.
2001-06-26 14:47:48 +00:00
Corinna Vinschen b78d6f6e7b * mmap.cc (mmap): Drop usage of the same memory area if the same
region of the same file is mapped twice.
2001-04-19 07:44:34 +00:00
Christopher Faylor 0381fec68f Throughout, change fdtab references to cygheap->fdtab.
* child_info.h (cygheap_exec_info): Eliminate special fdtab stuff.
* spawn.cc (spawn_guts): Ditto.
* cygheap.cc (cygheap_init): Initialize fdtab, if appropriate.
* cygheap.h (CYGHEAPSIZE): Include size of init_cygheap.
(_cmalloc_entry): Include fdtab here.
* dtable.h (dtable): Declare/define new methods.
* dtable.cc (dtable::vfork_child_fixup): New method.
(dtable::fixup_after_exec): Remove unneeded extra arguments.
* dcrt0.cc (dll_crt0_1): Ditto.
* environ.cc (getwinenv): Use case sensitive comparison.
(winenv): Make a copy of environment cache to avoid realloc problems when
duplicate environment variables exist in the environment.  (From Egor Duda)
* net.cc (cygwin_socket): Revert Apr 14 change.
* include/sys/file.h: Protect against previous X_OK definition.
* passwd.cc: Eliminate passwd_sem throughout.
* security.cc: Ditto.
* cygwin.din: Export New functions.
* passwd.cc (read_etc_passwd): Make race safe.
(getpwuid_r): New function.
(getpwnam_r): New function.
2001-04-18 21:10:15 +00:00
Corinna Vinschen 7ade56ca6a * mmap.cc: Move fh_paging_file from some functions to be
a global static variable.
        (class mmap_record): Add `devtype_' member to remember
        the device type of the file. Add declaration for methods
        `get_device', `alloc_fh' and `free_fh'.
        (mmap_record::mmap_record): Initialize `devtype_' correctly.
        (mmap_record::alloc_fh): New method.
        (mmap_record::free_fh): Ditto.
        (munmap): Use new mmap_record::alloc_fh and mmap_record::free_fh
        methods to create a correct fhandler.
        (msync): Ditto.
        (fixup_mmaps_after_fork): Ditto.
2001-04-16 17:26:04 +00:00
Corinna Vinschen 37a2d97a31 * mmap.cc (mmap): Fix conditional for previous patch. 2001-03-27 09:35:39 +00:00
Corinna Vinschen 1636a5a1e8 * mmap.cc (mmap): Outflank copy-on-write problem on 9x by
setting access mode to FILE_MAP_READ when read access is requested.
2001-03-26 18:17:15 +00:00
Corinna Vinschen 98750a8404 * mmap.cc (map::get_list_by_fd): Avoid calling `get_namehash' when
file descriptor is -1.
2001-03-19 13:33:51 +00:00
Corinna Vinschen 675412e9d6 * mmap.cc (fhandler_disk_file::mmap): Use `addr' correctly.
* fhandler_mem.cc (fhandler_dev_mem::mmap): Ditto.
2001-02-23 09:49:19 +00:00
Corinna Vinschen 889109ab1f * mmap.cc (mmap): Check for reusing a mapping only on MAP_SHARED
and on MAP_PRIVATE|MAP_ANON in the special case of offset 0.
2001-02-08 21:10:45 +00:00
Corinna Vinschen db49d0b530 * mmap.cc (class list): Add member `hash'.
(list::list): Initialize `hash'.
        (list::get_list_by_fd): Use filepath hash value to get the correct
        mapping list if it's not an anonymous mapping.
        (map::add_list): Initialize `hash' with filepath hash value.
        (mmap): Check for reusing a mapping only on MAP_SHARED.
2001-02-08 21:02:36 +00:00
Corinna Vinschen cada03f92f * mmap.cc (mmap_record::fixup_map): New method to duplicate
the memory protection in a just forked child.
        (mmap): Realign gran_len to page boundary only on anonymous
        mapping before saving in the mmap_record.
        (munmap): Cleanup code.
        (msync): Ditto.
        (fixup_mmaps_after_fork): Ditto. Call mmap_record::fixup_map now.
2001-02-05 12:36:41 +00:00
Corinna Vinschen 68ea0dc2fc * mmap.cc (mmap): Remove obsolete check for MAP_SHARED|MAP_ANON as
being invalid.
2001-01-29 13:39:17 +00:00
Corinna Vinschen f977222f70 * mmap.cc (mmap_record::find_empty): Fix loop condition. 2001-01-29 09:25:10 +00:00
Corinna Vinschen 174f1a392e * mmap.cc (fhandler_disk_file::mmap): Call CreateFileMapping with
len != 0 only when performing an anonymous mapping.
2001-01-24 04:00:41 +00:00
Corinna Vinschen 9fedfd57d4 * mmap.cc (mmap): Initialize fh to avoid compiler warnings. 2001-01-16 17:02:46 +00:00
Corinna Vinschen 9334c89c1d * mmap.cc (mmap): Add more parameter checking. Change error output
in case of EINVAL. Treat mmapping /dev/zero like MAP_ANONYMOUS.
2001-01-15 22:18:14 +00:00
Corinna Vinschen c6dd43f263 * mmap.cc: include <unistd.h>. Define some bit operations for
the new page map.
        (mmap_record): Change type of base_address_ to caddr_t.
        Add map_map_ member. Add several methods to manipulate map_map_.
        (mmap_record::alloc_map): New method.
        (mmap_record::free_map): Ditto.
        (mmap_record::find_empty): Ditto.
        (mmap_record::map_map): Ditto.
        (mmap_record::unmap_map): Ditto.
        (list::add_record): Change return type to `mmap_record *'.
        Allocate page map.
        (list::match): New method.
        (mmap): Partly rewritten to take care for the new page map. Add some
        parameter checking.
        (munmap): Ditto.
2001-01-15 19:42:33 +00:00
Corinna Vinschen c4efddf601 * fhandler.h (fhandler_base): New method `fixup_mmap_after_fork'.
(fhandler_disk_file: Ditto.
        (fhandler_dev_mem): Ditto.
        * fhandler_mem.cc (fhandler_dev_mem::open): Set OBJ_INHERIT attribute
        for device\physicalmemory handle.
        (fhandler_dev_mem::mmap): Ditto.
        * fhandler_mem.cc (fhandler_dev_mem::fixup_mmap_after_fork): New method.
        * mmap.cc (mmap_record): Add private `fdesc_' member. Change constructor
        accordingly.
        (get_fd): New method.
        (mmap): Use new mmap_record constructor.
        (fhandler_base::fixup_mmap_after_fork): New method.
        (fhandler_disk_file::fixup_mmap_after_fork): Ditto.
        (fixup_mmaps_after_fork): Call `fixup_mmap_after_fork' of appropriate
        fhandler class.
2001-01-11 12:33:12 +00:00
Christopher Faylor 95ec0f241f * mmap.cc (munmap): Check that mmap and munmap length match. 2000-11-28 21:25:45 +00:00
Christopher Faylor 84aeff4126 Throughout use myself->ppid_handle rather than parent_alive.
* child_info.h (child_info): Eliminate parent_alive.
* dcrt0.cc (dll_crt0_1): Call fork_init for debugging pid creation.
* fork.cc (fork_child): Reflect change to fixup_mmaps_after_fork arguments.
(slow_pid_reuse): New function to grab last 'n' pids to prevent pid reuse.
(fork_parent): Move last_fork_proc into slow_pid_reuse.  Handle fork_pids
debugging.  Eliminate unnecessary call to set_child_mmap_ptr.
(fork_init): New debugging function.
* mmap.cc (fixup_mmaps_after_fork): Renamed from recreate_mmaps_after_fork.
Rely on copied data after a fork.
(set_child_mmap_ptr): Eliminate.
* pinfo.h (_pinfo): Eliminate parent_alive, mmap_ptr and reflect above changes.
* spawn.cc (spawn_guts): Eliminate vestiges of "old way" of sending new hProc
to parent process.
2000-11-15 06:27:48 +00:00
Christopher Faylor 166b2571ce * Makefile.in: Remove some obsolete stuff.
* dcrt0.cc (dll_crt0_1): Call signal_fixup_after_exec where appropriate.  Set
myself->uid from parent version.  Just use ThreadItem Init method.  Close or
store hexec_proc as appropriate.
(_dll_crt0): Store user_data->forkee here so that proper tests can be made
subsequently.
(do_exit): Remove hExeced stuff.
* environ.cc (environ_init): Accept environ count as well as environ pointer.
* environ.h: Reflect above change.
* pinfo.cc (pinfo_init): Ditto.  Accept environ count.
(fixup_in_spawned_child): Remove.
* spawn.cc (spawn_guts): Move signal code to dll_crt0_1.  Don't suspend execing
process since it is no longer necessary.  Store envc.
* exceptions.cc (signal_fixup_after_exec): New function.
(call_handler): Remove hExeced test.
* child_info.h (cygheap_exec_info): Store envc as well as envp.
(child_info_spawn): Store hexec_proc so that it can be closed in child.
* path.cc (normalize_posix_path): Avoid intermediate use of temporary cwd buf.
(normalize_win32_path): Ditto.
(cwdstuff::get_initial): Always set lock.
* sigproc.h: Remove hExeced.
* strace.cc (strace::vsprntf): Modify to accomodate for lack of hExeced.
* thread.cc (MTinterface::Init): Merge Init1 and ClearReent into this method.
(MTinterface::Init1): Eliminate.
(MTinterface::ClearReent): Eliminate.
* thread.h: Reflect above changes.
* include/sys/strace.h (strace): Make microseconds() public.  Make various
functions 'regparm', throughout.
* pinfo.h (_pinfo): Inline simple signal manipulation functions.  Requires
inclusion of thread.h which was removed from .cc files, where appropriate.
throughout.
* pinfo.cc: Eliminate signal manipulation functions.
(_pinfo::exit): Calculate total rusage for exiting process here.
* cygheap.cc (size2bucket): Eliminate.
(init_buckets): Ditto.
(_cmalloc): Calculate size and bits in a loop rather than going through a
function call.
(_crealloc): Use stored array index to calculate allocated size.
* spawn.cc (spawn_guts): Use _pinfo exit method to exit, calculating cpu usage.
2000-10-16 23:55:58 +00:00
Corinna Vinschen 4ea34a6850 * fhandler.h (fhandler_dev_mem): Add methods mmap, munmap and msync.
Add `unit' member.
        * fhandler_mem.cc (fhandler_dev_mem): Initialize `unit' as well.
        (init): Care for differences between /dev/mem, /dev/kmem (not
        implemented yet) and /dev/port.
        (open): Change debug message to reflect the device.
        (mmap): New function.
        (munmap): Ditto.
        (msync): Ditto.
        (fstat): Use unit when setting st_dev in stat structure.
        * mmap.cc (mmap): Handle MAP_ANONYMOUS flag.
        Change error handling slightly.
        * path.cc (get_device_number): Handle /dev/port.
2000-10-07 17:35:36 +00:00
Corinna Vinschen d12eba25a5 =====================================
These changes require rebuilding all.
        =====================================
        * fhandler.h: Add mmap(), munmap() and msync() to fhandler_base
        and fhandler_disk_file.
        * mmem.cc (mmap): Eliminated device dependent implementation details.
        These are moved to the appropriate fhandler class.
        (munmap): Ditto.
        (msync): Ditto.
        (fhandler_base::mmap): New method.
        (fhandler_base::munmap): Ditto.
        (fhandler_base::msync): Ditto.
        (fhandler_disk_file::mmap): Ditto.
        (fhandler_disk_file::munmap): Ditto.
        (fhandler_disk_file::msync): Ditto.
2000-10-05 13:07:02 +00:00
Christopher Faylor f0338f545d Break out more header info into separate files. Use appropriate header files
throughout.
* shared.h: Remove.
* cygwin_version.h: New file.
* delqueue.h: New file.
* environ.h: New file.
* host_dependent.h: New file.
* perprocess.h: New file.
* registry.h: New file.
* security.h: New file.
2000-09-08 02:56:55 +00:00
Christopher Faylor b0e82b74fb * Makefile.in: Add cygheap.o.
* child_info.h: Add specific exec class.
* cygheap.h: New file.  Contains declarations for cygwin heap.
* cygheap.cc: New file.  Implements cygwin heap functions.
* dcrt0.cc (quoted): Simplify due to new method for passing arguments between
cygwin programs.
(alloc_stack_hard_way): Attempt to handle overlapped stack.
(dll_crt0_1): Move child_info processing here.  Accomodate new method for
passing arguments between cygwin programs.  Initialize cygwin heap.  Establish
__argc and __argv variables.
(_dll_crt0): Move most of child_info processing to dll_crt0_1.
(cygwin_dll_init): Remove duplication.
* dtable.cc (dtable::extend): Allocate dtable using cygwin heap.
(dtable::build_fhandler): Ditto for fhandler type being constructed.
(dtable::dup_worker): Free new fhandler from cygwin heap on error.
(dtable::select_*): Don't assume that this == fdtab.
(dtable::linearize_fd_array): Delete.
(dtable::delinearize_fd_array): Delete.
(dtable::fixup_after_exec): New file.
(dtable::vfork_child_dup): Use cygwin heap.
(dtable::vfork_parent_restore): Ditto.
* dtable.h: Remove obsolete methods.  Add new method.
* environ.cc (posify): Eliminate already_posix parameter and logic.
(envsize): New function.
(_addenv): Use envsize.
(environ_init): Accept an argument pointing to an existing environment list.
If supplied, allocate space for this in the the program's heap.
* fhandler.cc (fhandler_base::operator =): Move here from fhandler.h.  Use
cygwin heap to allocate filenames.
(fhandler_base::set_name): Allocate/free names from cygwin heap.
(fhandler_base::linearize): Delete.
(fhandler_base::de_linearize): Delete.
(fhandler_base::operator delete): Free from cygwin heap.
(fhandler_base::~fhandler_base): Ditto.
* fhandler.h: Accomodate elimination of *linearize and other changes above.
* fhandler_console.cc (fhandler_console::fixup_after_exec): Rename from
de_linearize.
* heap.h: New file.
* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Use cygwin heap for
name.  fhandler_tty::fixup_after_exec): Rename from de_linearize.
* fork.cc (fork): Call cygheap_fixup_in_child.
* heap.cc: Use declarations in heap.h.
* malloc.cc: Sprinkle assertions throughout to catch attempts to free/realloc
something from the cygwin heap.
* path.cc: Throughout, eliminate use of per-thread cache for cwd.  Use cwd_*
functions rather than cwd_* variables to access cwd_win32 and cwd_posix.
(cwd_win32): New function.
(cwd_posix): New function.
(cwd_hash): New function.
(cwd_fixup_after_exec): New function.
* path.h: Accomodate path.cc changes.
* pinfo.cc (pinfo_init): Accept a pointer to an environment table.  Pass this
to environ_init.  Eliminate old 'title' tests.
* pinfo.h: Accomodate above change in argument.
* spawn.cc (struct av): New method for building argv list.
(av::unshift): New method.
(spawn_guts): Allocate everything that the child process needs in the cygwin
heap and pass a pointer to this to the child.  Build argv list using new
method.  Eliminate delinearize stuff.
* thread.h: Eliminate _cwd_win32 and _cwd_posix buffers.
* winsup.h: Eliminate obsolete functions.  Add envsize() declaration.
2000-09-03 04:16:35 +00:00
Christopher Faylor bccd5e0d85 * winsup.h: Eliminate inclusion of most of the cygwin .h files. Use .h files
only in sources which require them.
* Makefile.in: Generate dependencies with -MD option.
2000-08-22 05:10:20 +00:00
Christopher Faylor 9e2baf8dfa * cygerrno.h: New file. Use this throughout whenever errno manipulation is
required.
* errno.cc: Use DWORD to hold Windows errors.
(geterrno_from_win_error): New function.
(seterrno_from_win_error): Use geterrno_from_win_error to convert supplied
windows error (suggested by Corinna Vinschen).
* path.cc (symlink_info): Add error element.
* path.cc (path_conv::check): Remove errno setting.  Use new symlink_info errno
element to set path_conv error, where appropriate.
(symlink_info::check): Set error element rather than attempting to manipulate
errno.  Add more checks for trailing / and /..  even though they are currently
useless.  Avoid setting EINVAL.
* path.cc (normalize_posix_path): Correct check for trailing /.
2000-08-22 03:58:47 +00:00
Christopher Faylor e2ebe11776 * winsup.h: Split out dtable definitions into separate header file.
* dtable.h: New file.
* sigproc.h: Eliminate pinfo.h usage here.  Use it in source files that need
it.
2000-08-12 05:35:42 +00:00
Christopher Faylor 9015e0fb8c Rename hinfo -> dtable. Name the former dtable array 'fdtab'. 2000-08-12 04:48:44 +00:00
DJ Delorie 4c8d72ded5 * winsup.h: take out protections of environ, errno, allow C use
* *.cc: put winsup.h before other headers (for __INSIDE_CYGWIN__);
use cur_environ() instead of just environ
* times.cc: remove import protections
* glob.c: add winsup.h
* localtime.c: ditto
* smallprint.c: ditto
* Makefile.in: don't __INSIDE_CYGWIN__ as it messes up profiling.
2000-08-02 16:28:18 +00:00
Christopher Faylor 84c7d40932 * include/cygwin/version.h: Bump DLL minor version number to 5 due to all of
the changes below.  Redefine process structure to avoid a fixed size table.
Redefine pinfo/_pinfo classes.  Use these throughout.
* dcrt0.cc (dll_crt0_1): Accomodate set_myself argument change.
(__api_fatal): Accomodate _pinfo::record_death argument change.
* exceptions.cc (really_exit): Ditto.
(sig_handle_tty_stop): Use pinfo constructor to access process info.
(events_init): Don't create pinfo_mutex since it is no longer required.
* external.cc (fillout_pinfo): Use winpids class to iterate over all system
pids.
(cygwin_internal): lock_pinfo_for_update and unlock_pinfo are now noops.
* fhandler_termios.cc (fhandler_termios::set_ctty): Use pinfo constructor to
access process info.
* fork.cc (fork): Reorganize to initialize child info after the child has
started since that is when we know the child's winpid, which is necessary to
allocate the pinfo shared memory.
* mmap.cc (recreate_mmaps_after_fork): Change arg type to _pinfo.
* pinfo.cc: Rename pinfo methods to _pinfo throughout.  Eliminate pinfo_list
stuff.
(set_myself): Accept a pid argument now.  Call pinfo initializer to initialize
myself.  Detect when this is an "execed" process and create an "indirect" pid
block.
(pinfo_init): Accomodate set_myself arg change.
(procinfo): Remove.
(pinfo::lock_pinfo): Remove.
(pinfo::unlock_pinfo): Remove.
(pinfo::init): New method.  Allocates shared memory space for process pinfo
structure.
(pinfo::record_death): Don't call locking functions.
(cygwin_winpid_to_pid): Simplify by using new pinfo constructor.
(EnumProcessesW95): New function for iterating over processes on Windows 95.
(winpids::winpids): New constructor for winpids class.  Sets up a list of
process ids.
(enum_init): Initialize w95/wnt pid enumerators.
* shared.cc (shared-info::initialize): Remove pid initialization.
* shared.h: Move pinfo stuff into pinfo.h.
(class shared_info): Remove pinfo_list element.
* signal.cc (kill_worker): Use pinfo constructor to access process info.
(kill_pgrp): Ditto.  Use winpids methods to access list of processes.
* sigproc.cc: Throughout, modify to use _pinfo where appropriate.
(proc_exists (pid_t)): New function.  Determines if a process exists based on
the pid.
(proc_exists (_pinfo *p): Use new proc_exists function above.
(proc_subproc): Copy pinfo stuff around rather than _pinfo pointers.  Try to be
careful about releasing shared memory when we don't need it anymore.  Remove
pinfo locks.
(remove_zombies): Remove pinfo memory when zombie is going away.
* sigproc.h: Reflect _pinfo/pinfo changes in sigproc.cc.
* spawn.cc (spawn_guts): Eliminate pinfo *child argument.  Reorganize to only
initialize child pinfo after process has been started and we know the windows
pid.
(_spawnve): Reflect spawn_guts changes.
* syscalls.cc (setpgid): Use pinfo constructor to access process info.
(getpgid): Ditto.
(internal_getlogin): Use _pinfo.
* winsup.h: Eliminate pinfo_mutex.  Eliminate spawn_guts declaration since it
is static now.  Reflect set_myself argument change.
* include/sys/cygwin.h: Add some PID_* enums to accomodate new pinfo stuff.
* include/cygwin/version.h: Update minor version for cygdrive changes below.
2000-07-29 16:24:59 +00:00
DJ Delorie cfe11d7465 * mmap.cc (list::erase): Increment loop counter.
(map::erase): Likewise.
2000-05-11 22:30:45 +00:00
Christopher Faylor 1fd5e000ac import winsup-2000-02-17 snapshot 2000-02-17 19:38:33 +00:00