newlib-cygwin/winsup/cygwin/shared_info.h

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/* shared_info.h: shared info for cygwin
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "tty.h"
#include "security.h"
* fhandler.h (-struct wsa_event): Move to wsa_event.h. Include wsa_event.h instead. * fhandler_socket.cc (NUM_SOCKS): Move to wsa_event.h. (wsa_events): Move from DLL shared area to cygwin_shared shared memory. Accommodate throughout. (socket_serial_number): Ditto. * fhandler_tape.cc (mt): Ditto. (mtinfo_init): Remove. (mt): Define as cygwin_shared->mt. * flock.cc (FLOCK_PARENT_DIR_ACCESS): Remove. (FLOCK_INODE_DIR_ACCESS): Move up in file. (FLOCK_MUTANT_ACCESS): Ditto. (FLOCK_EVENT_ACCESS): Ditto. (get_lock_parent_dir): Remove. (inode_t::inode_t): Call get_shared_parent_dir to get parent dir handle. Add a "flock-" prefix to file's lock directory name for clarity. * mtinfo.h (mtinfo_init): Drop declaration. * net.cc (last_used_bindresvport): Move from DLL shared area to cygwin_shared shared memory. (cygwin_bindresvport_sa): Accommodate above change. * sec_helper.cc (_everyone_sd): Move here from flock.cc. * security.h (SD_MIN_SIZE): Ditto. (everyone_sd): Ditto. * shared.cc (cygwin_shared_area): Remove. (cygwin_shared_h): New handle. (get_shared_parent_dir): New static function. (shared_name): Drop session_local argument. Call get_shared_parent_dir here. Add cygwin-shared subdir to object name. (offsets): Reinstantiate SH_CYGWIN_SHARED member. (open_shared): Revert change from 2007-03-29 for systems supporting SeCreateGlobalPrivilege. (shared_info::initialize): Call mtinfo's initialize here. (memory_init): Drop call to mtinfo_init. * shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info. (CURR_SHARED_MAGIC): Ditto. (class shared_info): Add members for global socket and tape info sharing. (enum shared_locations): Reinstantiate SH_CYGWIN_SHARED. (get_shared_parent_dir): Declare. (shared_name): Drop session_local argument from declaration. * wsa_event.h: New file. Move definitions of NUM_SOCKS and struct wsa_event here.
2008-04-19 04:13:37 +08:00
#include "mtinfo.h"
* shared.cc (user_shared_initialize): Fetch potentially changed Cygwin username from /etc/passwd before loading mount table. (shared_info::init_installation_root): New function fetching Cygwin's installation root dir and storing as native NT path in global shared memory. (shared_info::initialize): Call init_installation_root exactly once at first startup. * shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info. (CURR_SHARED_MAGIC): Ditto. (class shared_info): Add installation_root member. (shared_info::init_installation_root): Declare. * grp.cc (pwdgrp::read_group): Call pwdgrp::load with native WCHAR path. * passwd.cc (pwdgrp::read_passwd): Ditto. Avoid recursion. (etc::init): Take POBJECT_ATTRIBUTES instead of path_conv. * path.h (etc::init): Change prototype accordingly. * pwdgrp.h (class pwdgrp): Store path as UNICODE_STRING/PWCHAR instead of as path_conv. (pwdgrp::load): Accommodate prototype. * uinfo.cc (pwdgrp::load): Change argument type from char to wchar_t. Create native NT path here instead of calling path_conv. * mount.cc (find_root_from_cygwin_dll): Drop in favor of global initializaion in shared_info. (mount_info::init): Fetch native NT root dir from cygwin_shared. (mount_info::from_fstab): Expect native NT path and use native NT functions to access file. Convert username part in user fstab path according to special char transformation rules. * path.cc (tfx_chars): Convert slash to backslash. (transform_chars): Implement for path given as PWCHAR. (transform_chars): PUNICODE_STRING version calls PWCHAR version. Remove useless commented code.
2008-07-25 02:25:52 +08:00
#include "limits.h"
#include "mount.h"
#define CURR_USER_MAGIC 0xab1fcce8U
class user_info
{
* shared_info.h (user_info): Add dll_crt0_1 as a friend. (user_info::version): Make LONG to accommodate spinlock use. (user_info::create): New static function renamed from user_info_create. (user_info::initialize): New private function renamed from user_info_initialize. (SHARED_VERSION): Delete. (SHARED_VERSION_MAGIC): Ditto. (USER_VERSION_MAGIC): Ditto. (SHARED_INFO_CB): Ditto. (USER_VERSION): Ditto. (USER_VERSION_MAGIC): Ditto. (CURR_SHARED_MAGIC): Update. (CURR_USER_MAGIC): Ditto. (shared_info::version): Make LONG to accommodate spinlock use. (shared_info::create): New static function mirroring user_info::create. (dll_crt0_1): Accommodate change to user_info::initialize. * spinlock.h (spinlock::setto): New variable member. (spinlock::done): New function. (spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call done() when lock is not needed. * ntdll.h: Make multiple-inclusion safe. (NtQuerySystemTime): Declare. * shared.cc (installation_root_inited): Rename from shared_mem_inited. (init_installation_root): Make inline. Use a spinlock to ensure that this is initialized only once per session. (user_info::initialize): Rename from user_shared_initialize. Protect with spinlock on sversion and remove other spinlock-like things. Remove reference to user_shared since it is now implicit. Refer to spinlock version of multiple_cygwin_problem to ensure that any spinlock is released. (user_info::create): Rename from user_shared_create. Accommodate change from user_shared_initialize to user_info::initialize. (shared_info::create): New inline function. (shared_info::initialize): Protect with spinlock on sversion. Move heap_init back under specific control of shared_info spinlock. Remove reference to SHARED_INFO_CB and just use sizeof(*this). (memory_init): Move all locking into respective functions where it is needed. Accommodate name changes. Remove call to heap_init(). * syscalls.cc (seteuid32): Accommodate name change to user_info::create(). * mount.cc (mount_info::create_root_entry): Report on errors from add_item since they should be nonexistent. (mount_info::init): Don't initialize nmounts. It should already be zero. Give more verbose error when root_idx < 0. Implicitly use this pointer rather than explicitly referencing mount_table->. (mount_info::add_item): Minor whitespace fix.
2010-03-16 05:29:15 +08:00
void initialize ();
public:
* shared_info.h (user_info): Add dll_crt0_1 as a friend. (user_info::version): Make LONG to accommodate spinlock use. (user_info::create): New static function renamed from user_info_create. (user_info::initialize): New private function renamed from user_info_initialize. (SHARED_VERSION): Delete. (SHARED_VERSION_MAGIC): Ditto. (USER_VERSION_MAGIC): Ditto. (SHARED_INFO_CB): Ditto. (USER_VERSION): Ditto. (USER_VERSION_MAGIC): Ditto. (CURR_SHARED_MAGIC): Update. (CURR_USER_MAGIC): Ditto. (shared_info::version): Make LONG to accommodate spinlock use. (shared_info::create): New static function mirroring user_info::create. (dll_crt0_1): Accommodate change to user_info::initialize. * spinlock.h (spinlock::setto): New variable member. (spinlock::done): New function. (spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call done() when lock is not needed. * ntdll.h: Make multiple-inclusion safe. (NtQuerySystemTime): Declare. * shared.cc (installation_root_inited): Rename from shared_mem_inited. (init_installation_root): Make inline. Use a spinlock to ensure that this is initialized only once per session. (user_info::initialize): Rename from user_shared_initialize. Protect with spinlock on sversion and remove other spinlock-like things. Remove reference to user_shared since it is now implicit. Refer to spinlock version of multiple_cygwin_problem to ensure that any spinlock is released. (user_info::create): Rename from user_shared_create. Accommodate change from user_shared_initialize to user_info::initialize. (shared_info::create): New inline function. (shared_info::initialize): Protect with spinlock on sversion. Move heap_init back under specific control of shared_info spinlock. Remove reference to SHARED_INFO_CB and just use sizeof(*this). (memory_init): Move all locking into respective functions where it is needed. Accommodate name changes. Remove call to heap_init(). * syscalls.cc (seteuid32): Accommodate name change to user_info::create(). * mount.cc (mount_info::create_root_entry): Report on errors from add_item since they should be nonexistent. (mount_info::init): Don't initialize nmounts. It should already be zero. Give more verbose error when root_idx < 0. Implicitly use this pointer rather than explicitly referencing mount_table->. (mount_info::add_item): Minor whitespace fix.
2010-03-16 05:29:15 +08:00
LONG version;
DWORD cb;
bool warned_msdos;
bool warned_notty;
bool warned_nonativesyms;
mount_info mountinfo;
* shared_info.h (user_info): Add dll_crt0_1 as a friend. (user_info::version): Make LONG to accommodate spinlock use. (user_info::create): New static function renamed from user_info_create. (user_info::initialize): New private function renamed from user_info_initialize. (SHARED_VERSION): Delete. (SHARED_VERSION_MAGIC): Ditto. (USER_VERSION_MAGIC): Ditto. (SHARED_INFO_CB): Ditto. (USER_VERSION): Ditto. (USER_VERSION_MAGIC): Ditto. (CURR_SHARED_MAGIC): Update. (CURR_USER_MAGIC): Ditto. (shared_info::version): Make LONG to accommodate spinlock use. (shared_info::create): New static function mirroring user_info::create. (dll_crt0_1): Accommodate change to user_info::initialize. * spinlock.h (spinlock::setto): New variable member. (spinlock::done): New function. (spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call done() when lock is not needed. * ntdll.h: Make multiple-inclusion safe. (NtQuerySystemTime): Declare. * shared.cc (installation_root_inited): Rename from shared_mem_inited. (init_installation_root): Make inline. Use a spinlock to ensure that this is initialized only once per session. (user_info::initialize): Rename from user_shared_initialize. Protect with spinlock on sversion and remove other spinlock-like things. Remove reference to user_shared since it is now implicit. Refer to spinlock version of multiple_cygwin_problem to ensure that any spinlock is released. (user_info::create): Rename from user_shared_create. Accommodate change from user_shared_initialize to user_info::initialize. (shared_info::create): New inline function. (shared_info::initialize): Protect with spinlock on sversion. Move heap_init back under specific control of shared_info spinlock. Remove reference to SHARED_INFO_CB and just use sizeof(*this). (memory_init): Move all locking into respective functions where it is needed. Accommodate name changes. Remove call to heap_init(). * syscalls.cc (seteuid32): Accommodate name change to user_info::create(). * mount.cc (mount_info::create_root_entry): Report on errors from add_item since they should be nonexistent. (mount_info::init): Don't initialize nmounts. It should already be zero. Give more verbose error when root_idx < 0. Implicitly use this pointer rather than explicitly referencing mount_table->. (mount_info::add_item): Minor whitespace fix.
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friend void dll_crt0_1 (void *);
static void create (bool);
};
/******** Shared Info ********/
/* Data accessible to all tasks */
#define CURR_SHARED_MAGIC 0x8fe4d9eeU
* Makefile.in: Autogenerate some header files which provide magic numbers. 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.
2001-12-26 12:53:34 +08:00
* shared_info.h (user_info): Add dll_crt0_1 as a friend. (user_info::version): Make LONG to accommodate spinlock use. (user_info::create): New static function renamed from user_info_create. (user_info::initialize): New private function renamed from user_info_initialize. (SHARED_VERSION): Delete. (SHARED_VERSION_MAGIC): Ditto. (USER_VERSION_MAGIC): Ditto. (SHARED_INFO_CB): Ditto. (USER_VERSION): Ditto. (USER_VERSION_MAGIC): Ditto. (CURR_SHARED_MAGIC): Update. (CURR_USER_MAGIC): Ditto. (shared_info::version): Make LONG to accommodate spinlock use. (shared_info::create): New static function mirroring user_info::create. (dll_crt0_1): Accommodate change to user_info::initialize. * spinlock.h (spinlock::setto): New variable member. (spinlock::done): New function. (spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call done() when lock is not needed. * ntdll.h: Make multiple-inclusion safe. (NtQuerySystemTime): Declare. * shared.cc (installation_root_inited): Rename from shared_mem_inited. (init_installation_root): Make inline. Use a spinlock to ensure that this is initialized only once per session. (user_info::initialize): Rename from user_shared_initialize. Protect with spinlock on sversion and remove other spinlock-like things. Remove reference to user_shared since it is now implicit. Refer to spinlock version of multiple_cygwin_problem to ensure that any spinlock is released. (user_info::create): Rename from user_shared_create. Accommodate change from user_shared_initialize to user_info::initialize. (shared_info::create): New inline function. (shared_info::initialize): Protect with spinlock on sversion. Move heap_init back under specific control of shared_info spinlock. Remove reference to SHARED_INFO_CB and just use sizeof(*this). (memory_init): Move all locking into respective functions where it is needed. Accommodate name changes. Remove call to heap_init(). * syscalls.cc (seteuid32): Accommodate name change to user_info::create(). * mount.cc (mount_info::create_root_entry): Report on errors from add_item since they should be nonexistent. (mount_info::init): Don't initialize nmounts. It should already be zero. Give more verbose error when root_idx < 0. Implicitly use this pointer rather than explicitly referencing mount_table->. (mount_info::add_item): Minor whitespace fix.
2010-03-16 05:29:15 +08:00
#define USER_VERSION 1
Remove unneeded header files from source files throughout. Update copyrights where appropriate. * globals.cc: New file for generic global variables. * mkglobals_h: New file to generate globals.h. * mkstatic: New Script used to build a (currently non-working) static libcygwin_s.a. * Makefile.in: Add unused rule to build a non-working libcygwin_s.a. (DLL_OFILES): Add globals.o. Make all objects rely on globals.h. (globals.h): New target. Generate globals.h. * cygtls.h: Honor new CYGTLS_HANDLE define to control when the HANDLE operator is allowed in _cygtls. * dcrt0.cc: Move most globals to globals.cc. * init.cc: Ditto. * environ.cc (strip_title_path): Remove now-unneeded extern. * fhandler_serial.cc (fhandler_serial::open): Ditto. * pinfo.cc: Ditto. (commune_process): Ditto. * shared.cc: Ditto. * glob.cc: Ditto. * strace.cc: Ditto. * exceptions.cc: Define CYGTLS_HANDLE before including winsup.h. * path.cc (stat_suffixes): Move here. * security.h: Add forward class path_conv declaration. * smallprint.cc (__small_vsprintf): Make a true c++ function. (__small_sprintf): Ditto. (small_printf): Ditto. (console_printf): Ditto. (__small_vswprintf): Ditto. (__small_swprintf): Ditto. * spawn.cc (spawn_guts): Remove _stdcall decoration in favor of regparm. (hExeced): Move to globals.cc * strfuncs.cc (current_codepage): Ditto. (active_codepage): Ditto. * sync.cc (lock_process::locker): Move here from dcrt0.cc. * syscalls.cc (stat_suffixes): Move to path.cc. * tty.cc (tty::create_master): Uncapitalize fatal warning for consistency. * winsup.h: Include globals.h to declare most of the grab bag list of globals which were previously defined here. * mount.h: Move USER_* defines back to shared_info.h. * speclib: Force temporary directory cleanup.
2009-01-03 13:12:22 +08:00
2001-12-26 14:18:41 +08:00
/* NOTE: Do not make gratuitous changes to the names or organization of the
below class. The layout is checksummed to determine compatibility between
different cygwin versions. */
class shared_info
{
* shared_info.h (user_info): Add dll_crt0_1 as a friend. (user_info::version): Make LONG to accommodate spinlock use. (user_info::create): New static function renamed from user_info_create. (user_info::initialize): New private function renamed from user_info_initialize. (SHARED_VERSION): Delete. (SHARED_VERSION_MAGIC): Ditto. (USER_VERSION_MAGIC): Ditto. (SHARED_INFO_CB): Ditto. (USER_VERSION): Ditto. (USER_VERSION_MAGIC): Ditto. (CURR_SHARED_MAGIC): Update. (CURR_USER_MAGIC): Ditto. (shared_info::version): Make LONG to accommodate spinlock use. (shared_info::create): New static function mirroring user_info::create. (dll_crt0_1): Accommodate change to user_info::initialize. * spinlock.h (spinlock::setto): New variable member. (spinlock::done): New function. (spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call done() when lock is not needed. * ntdll.h: Make multiple-inclusion safe. (NtQuerySystemTime): Declare. * shared.cc (installation_root_inited): Rename from shared_mem_inited. (init_installation_root): Make inline. Use a spinlock to ensure that this is initialized only once per session. (user_info::initialize): Rename from user_shared_initialize. Protect with spinlock on sversion and remove other spinlock-like things. Remove reference to user_shared since it is now implicit. Refer to spinlock version of multiple_cygwin_problem to ensure that any spinlock is released. (user_info::create): Rename from user_shared_create. Accommodate change from user_shared_initialize to user_info::initialize. (shared_info::create): New inline function. (shared_info::initialize): Protect with spinlock on sversion. Move heap_init back under specific control of shared_info spinlock. Remove reference to SHARED_INFO_CB and just use sizeof(*this). (memory_init): Move all locking into respective functions where it is needed. Accommodate name changes. Remove call to heap_init(). * syscalls.cc (seteuid32): Accommodate name change to user_info::create(). * mount.cc (mount_info::create_root_entry): Report on errors from add_item since they should be nonexistent. (mount_info::init): Don't initialize nmounts. It should already be zero. Give more verbose error when root_idx < 0. Implicitly use this pointer rather than explicitly referencing mount_table->. (mount_info::add_item): Minor whitespace fix.
2010-03-16 05:29:15 +08:00
LONG version;
DWORD cb;
public:
tty_list tty;
* fhandler.h (-struct wsa_event): Move to wsa_event.h. Include wsa_event.h instead. * fhandler_socket.cc (NUM_SOCKS): Move to wsa_event.h. (wsa_events): Move from DLL shared area to cygwin_shared shared memory. Accommodate throughout. (socket_serial_number): Ditto. * fhandler_tape.cc (mt): Ditto. (mtinfo_init): Remove. (mt): Define as cygwin_shared->mt. * flock.cc (FLOCK_PARENT_DIR_ACCESS): Remove. (FLOCK_INODE_DIR_ACCESS): Move up in file. (FLOCK_MUTANT_ACCESS): Ditto. (FLOCK_EVENT_ACCESS): Ditto. (get_lock_parent_dir): Remove. (inode_t::inode_t): Call get_shared_parent_dir to get parent dir handle. Add a "flock-" prefix to file's lock directory name for clarity. * mtinfo.h (mtinfo_init): Drop declaration. * net.cc (last_used_bindresvport): Move from DLL shared area to cygwin_shared shared memory. (cygwin_bindresvport_sa): Accommodate above change. * sec_helper.cc (_everyone_sd): Move here from flock.cc. * security.h (SD_MIN_SIZE): Ditto. (everyone_sd): Ditto. * shared.cc (cygwin_shared_area): Remove. (cygwin_shared_h): New handle. (get_shared_parent_dir): New static function. (shared_name): Drop session_local argument. Call get_shared_parent_dir here. Add cygwin-shared subdir to object name. (offsets): Reinstantiate SH_CYGWIN_SHARED member. (open_shared): Revert change from 2007-03-29 for systems supporting SeCreateGlobalPrivilege. (shared_info::initialize): Call mtinfo's initialize here. (memory_init): Drop call to mtinfo_init. * shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info. (CURR_SHARED_MAGIC): Ditto. (class shared_info): Add members for global socket and tape info sharing. (enum shared_locations): Reinstantiate SH_CYGWIN_SHARED. (get_shared_parent_dir): Declare. (shared_name): Drop session_local argument from declaration. * wsa_event.h: New file. Move definitions of NUM_SOCKS and struct wsa_event here.
2008-04-19 04:13:37 +08:00
LONG last_used_bindresvport;
Add case-sensitivity. Unconditionally handle mount points case-sensitive. Unconditionally handle virtual paths case-sensitive. Unconditionally handle registry paths case-insensitive. Otherwise, accommodate case-sensitivity of given path throughout. * cygheap.cc (cygheap_root::set): Get additional caseinsensitive parameter and store it. * cygheap.h (struct cygheap_root_mount_info): Add member caseinsensitive. * dlfcn.cc (get_full_path_of_dll): Drop PC_NOFULL parameter from call to path_conv::check. * environ.cc (pcheck_case): Remove. (check_case_init): Remove. (known): Drop "check_case" option. * exceptions.cc (open_stackdumpfile): Add comment. * fhandler.cc (fhandler_base::get_default_fmode): Call pathmatch instead of strcasematch. * fhandler_disk_file.cc: Accommodate case-sensitivity of given path throughout. (__DIR_mounts::check_mount): Unconditionally check virtual paths case-sensitive. (fhandler_disk_file::link): Drop case clash handling. (fhandler_disk_file::open): Ditto. (fhandler_disk_file::readdir_helper): Drop managed mount code. * mount.cc: Remove managed mount code and datastructures. (struct opt): Remove "managed" option. Add "posix=0" and "posix=1" options. (fillout_mntent): Remove "managed" output. Add "posix" output. * path.cc (struct symlink_info): Remove case_clash member and case_check method. (pcheck_case): Remove. (path_prefix_p): Take additional bool parameter "caseinsensitive". (pathnmatch): Ditto. (pathmatch): Ditto. (mkrelpath): Ditto. (fs_info::update): Set caseinsensitive flag according to file system name and FILE_CASE_SENSITIVE_SEARCH flag. Add comment. (tfx_chars_managed): Remove. (transform_chars): Drop "managed" parameter. Always use tfx_chars. (get_nt_native_path): Drop "managed" parameter. Make sure drive letters are always upper case. (getfileattr): Change second parameter to denote caseinsensitivity. (path_conv::check): Initialize caseinsensitive to OBJ_CASE_INSENSITIVE. Set caseinsensitive according to global obcaseinsensitive flag, file system case sensitivity and MOUNT_NOPOSIX mount flag. Drop case_clash and all the related code. (symlink_worker): Drop case clash handling. (symlink_info::set): Drop setting case_clash. (symlink_info::case_check): Remove. (cwdstuff::set): Add comment. (etc::init): Take path_conv instead of PUNICODE_STRING as parameter to allow case sensitivity. * path.h (enum pathconv_arg): Drop PC_SYM_IGNORE. (enum case_checking): Remove. (enum path_types): Drop PATH_ENC, add PATH_NOPOSIX flag. (struct fs_info): Add caseinsensitive flag and accessor methods. (class path_conv): Add caseinsensitive member and define objcaseinsensitive method. Drop case_clash member and isencoded method. (pathmatch): Change prototype according to above change. (pathnmatch): Ditto. (path_prefix_p): Ditto. (get_nt_native_path): Ditto. (class etc): Ditto. (fnunmunge): Remove prototype. * shared.cc (shared_info::init_obcaseinsensitive): Initialize obcaseinsensitive flag from obcaseinsensitive registry value. (shared_info::initialize): Call init_obcaseinsensitive here by the first process creating the shared memory. * shared_info.h (mount_item::fnmunge): Remove. (shared_info::obcaseinsensitive): Rename from obcaseinsensitivity. (shared_info::init_obcaseinsensitive): Declare. * syscalls.cc (try_to_bin): Add comment. * include/sys/mount.h (MOUNT_ENC): Remove flag. (MOUNT_NOPOSIX): Add flag.
2008-07-17 04:20:45 +08:00
DWORD obcaseinsensitive;
* fhandler.h (-struct wsa_event): Move to wsa_event.h. Include wsa_event.h instead. * fhandler_socket.cc (NUM_SOCKS): Move to wsa_event.h. (wsa_events): Move from DLL shared area to cygwin_shared shared memory. Accommodate throughout. (socket_serial_number): Ditto. * fhandler_tape.cc (mt): Ditto. (mtinfo_init): Remove. (mt): Define as cygwin_shared->mt. * flock.cc (FLOCK_PARENT_DIR_ACCESS): Remove. (FLOCK_INODE_DIR_ACCESS): Move up in file. (FLOCK_MUTANT_ACCESS): Ditto. (FLOCK_EVENT_ACCESS): Ditto. (get_lock_parent_dir): Remove. (inode_t::inode_t): Call get_shared_parent_dir to get parent dir handle. Add a "flock-" prefix to file's lock directory name for clarity. * mtinfo.h (mtinfo_init): Drop declaration. * net.cc (last_used_bindresvport): Move from DLL shared area to cygwin_shared shared memory. (cygwin_bindresvport_sa): Accommodate above change. * sec_helper.cc (_everyone_sd): Move here from flock.cc. * security.h (SD_MIN_SIZE): Ditto. (everyone_sd): Ditto. * shared.cc (cygwin_shared_area): Remove. (cygwin_shared_h): New handle. (get_shared_parent_dir): New static function. (shared_name): Drop session_local argument. Call get_shared_parent_dir here. Add cygwin-shared subdir to object name. (offsets): Reinstantiate SH_CYGWIN_SHARED member. (open_shared): Revert change from 2007-03-29 for systems supporting SeCreateGlobalPrivilege. (shared_info::initialize): Call mtinfo's initialize here. (memory_init): Drop call to mtinfo_init. * shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info. (CURR_SHARED_MAGIC): Ditto. (class shared_info): Add members for global socket and tape info sharing. (enum shared_locations): Reinstantiate SH_CYGWIN_SHARED. (get_shared_parent_dir): Declare. (shared_name): Drop session_local argument from declaration. * wsa_event.h: New file. Move definitions of NUM_SOCKS and struct wsa_event here.
2008-04-19 04:13:37 +08:00
mtinfo mt;
void initialize ();
Add case-sensitivity. Unconditionally handle mount points case-sensitive. Unconditionally handle virtual paths case-sensitive. Unconditionally handle registry paths case-insensitive. Otherwise, accommodate case-sensitivity of given path throughout. * cygheap.cc (cygheap_root::set): Get additional caseinsensitive parameter and store it. * cygheap.h (struct cygheap_root_mount_info): Add member caseinsensitive. * dlfcn.cc (get_full_path_of_dll): Drop PC_NOFULL parameter from call to path_conv::check. * environ.cc (pcheck_case): Remove. (check_case_init): Remove. (known): Drop "check_case" option. * exceptions.cc (open_stackdumpfile): Add comment. * fhandler.cc (fhandler_base::get_default_fmode): Call pathmatch instead of strcasematch. * fhandler_disk_file.cc: Accommodate case-sensitivity of given path throughout. (__DIR_mounts::check_mount): Unconditionally check virtual paths case-sensitive. (fhandler_disk_file::link): Drop case clash handling. (fhandler_disk_file::open): Ditto. (fhandler_disk_file::readdir_helper): Drop managed mount code. * mount.cc: Remove managed mount code and datastructures. (struct opt): Remove "managed" option. Add "posix=0" and "posix=1" options. (fillout_mntent): Remove "managed" output. Add "posix" output. * path.cc (struct symlink_info): Remove case_clash member and case_check method. (pcheck_case): Remove. (path_prefix_p): Take additional bool parameter "caseinsensitive". (pathnmatch): Ditto. (pathmatch): Ditto. (mkrelpath): Ditto. (fs_info::update): Set caseinsensitive flag according to file system name and FILE_CASE_SENSITIVE_SEARCH flag. Add comment. (tfx_chars_managed): Remove. (transform_chars): Drop "managed" parameter. Always use tfx_chars. (get_nt_native_path): Drop "managed" parameter. Make sure drive letters are always upper case. (getfileattr): Change second parameter to denote caseinsensitivity. (path_conv::check): Initialize caseinsensitive to OBJ_CASE_INSENSITIVE. Set caseinsensitive according to global obcaseinsensitive flag, file system case sensitivity and MOUNT_NOPOSIX mount flag. Drop case_clash and all the related code. (symlink_worker): Drop case clash handling. (symlink_info::set): Drop setting case_clash. (symlink_info::case_check): Remove. (cwdstuff::set): Add comment. (etc::init): Take path_conv instead of PUNICODE_STRING as parameter to allow case sensitivity. * path.h (enum pathconv_arg): Drop PC_SYM_IGNORE. (enum case_checking): Remove. (enum path_types): Drop PATH_ENC, add PATH_NOPOSIX flag. (struct fs_info): Add caseinsensitive flag and accessor methods. (class path_conv): Add caseinsensitive member and define objcaseinsensitive method. Drop case_clash member and isencoded method. (pathmatch): Change prototype according to above change. (pathnmatch): Ditto. (path_prefix_p): Ditto. (get_nt_native_path): Ditto. (class etc): Ditto. (fnunmunge): Remove prototype. * shared.cc (shared_info::init_obcaseinsensitive): Initialize obcaseinsensitive flag from obcaseinsensitive registry value. (shared_info::initialize): Call init_obcaseinsensitive here by the first process creating the shared memory. * shared_info.h (mount_item::fnmunge): Remove. (shared_info::obcaseinsensitive): Rename from obcaseinsensitivity. (shared_info::init_obcaseinsensitive): Declare. * syscalls.cc (try_to_bin): Add comment. * include/sys/mount.h (MOUNT_ENC): Remove flag. (MOUNT_NOPOSIX): Add flag.
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void init_obcaseinsensitive ();
unsigned heap_chunk_size ();
* shared_info.h (user_info): Add dll_crt0_1 as a friend. (user_info::version): Make LONG to accommodate spinlock use. (user_info::create): New static function renamed from user_info_create. (user_info::initialize): New private function renamed from user_info_initialize. (SHARED_VERSION): Delete. (SHARED_VERSION_MAGIC): Ditto. (USER_VERSION_MAGIC): Ditto. (SHARED_INFO_CB): Ditto. (USER_VERSION): Ditto. (USER_VERSION_MAGIC): Ditto. (CURR_SHARED_MAGIC): Update. (CURR_USER_MAGIC): Ditto. (shared_info::version): Make LONG to accommodate spinlock use. (shared_info::create): New static function mirroring user_info::create. (dll_crt0_1): Accommodate change to user_info::initialize. * spinlock.h (spinlock::setto): New variable member. (spinlock::done): New function. (spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call done() when lock is not needed. * ntdll.h: Make multiple-inclusion safe. (NtQuerySystemTime): Declare. * shared.cc (installation_root_inited): Rename from shared_mem_inited. (init_installation_root): Make inline. Use a spinlock to ensure that this is initialized only once per session. (user_info::initialize): Rename from user_shared_initialize. Protect with spinlock on sversion and remove other spinlock-like things. Remove reference to user_shared since it is now implicit. Refer to spinlock version of multiple_cygwin_problem to ensure that any spinlock is released. (user_info::create): Rename from user_shared_create. Accommodate change from user_shared_initialize to user_info::initialize. (shared_info::create): New inline function. (shared_info::initialize): Protect with spinlock on sversion. Move heap_init back under specific control of shared_info spinlock. Remove reference to SHARED_INFO_CB and just use sizeof(*this). (memory_init): Move all locking into respective functions where it is needed. Accommodate name changes. Remove call to heap_init(). * syscalls.cc (seteuid32): Accommodate name change to user_info::create(). * mount.cc (mount_info::create_root_entry): Report on errors from add_item since they should be nonexistent. (mount_info::init): Don't initialize nmounts. It should already be zero. Give more verbose error when root_idx < 0. Implicitly use this pointer rather than explicitly referencing mount_table->. (mount_info::add_item): Minor whitespace fix.
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static void create ();
};
extern shared_info *cygwin_shared;
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extern user_info *user_shared;
#define mount_table (&(user_shared->mountinfo))
extern HANDLE cygwin_user_h;
enum shared_locations
{
* fhandler.h (-struct wsa_event): Move to wsa_event.h. Include wsa_event.h instead. * fhandler_socket.cc (NUM_SOCKS): Move to wsa_event.h. (wsa_events): Move from DLL shared area to cygwin_shared shared memory. Accommodate throughout. (socket_serial_number): Ditto. * fhandler_tape.cc (mt): Ditto. (mtinfo_init): Remove. (mt): Define as cygwin_shared->mt. * flock.cc (FLOCK_PARENT_DIR_ACCESS): Remove. (FLOCK_INODE_DIR_ACCESS): Move up in file. (FLOCK_MUTANT_ACCESS): Ditto. (FLOCK_EVENT_ACCESS): Ditto. (get_lock_parent_dir): Remove. (inode_t::inode_t): Call get_shared_parent_dir to get parent dir handle. Add a "flock-" prefix to file's lock directory name for clarity. * mtinfo.h (mtinfo_init): Drop declaration. * net.cc (last_used_bindresvport): Move from DLL shared area to cygwin_shared shared memory. (cygwin_bindresvport_sa): Accommodate above change. * sec_helper.cc (_everyone_sd): Move here from flock.cc. * security.h (SD_MIN_SIZE): Ditto. (everyone_sd): Ditto. * shared.cc (cygwin_shared_area): Remove. (cygwin_shared_h): New handle. (get_shared_parent_dir): New static function. (shared_name): Drop session_local argument. Call get_shared_parent_dir here. Add cygwin-shared subdir to object name. (offsets): Reinstantiate SH_CYGWIN_SHARED member. (open_shared): Revert change from 2007-03-29 for systems supporting SeCreateGlobalPrivilege. (shared_info::initialize): Call mtinfo's initialize here. (memory_init): Drop call to mtinfo_init. * shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info. (CURR_SHARED_MAGIC): Ditto. (class shared_info): Add members for global socket and tape info sharing. (enum shared_locations): Reinstantiate SH_CYGWIN_SHARED. (get_shared_parent_dir): Declare. (shared_name): Drop session_local argument from declaration. * wsa_event.h: New file. Move definitions of NUM_SOCKS and struct wsa_event here.
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SH_CYGWIN_SHARED,
SH_USER_SHARED,
SH_MYSELF,
SH_SHARED_CONSOLE,
SH_TOTAL_SIZE,
SH_JUSTCREATE,
SH_JUSTOPEN
};
void memory_init ();
void __stdcall shared_destroy ();
Throughout, change 'cygwin_shared.mount' to 'mount_table'. * child_info.h (child_info): Move shared_h, console_h to cygheap. Add mount_h. * cygheap.h (init_cygheap): Add shared_h, console_h. * cygheap.cc (init_cheap): Initialize heap at a fixed location after the shared memory regions. Initialize cygheap->user name here. * dcrt0.cc (dll_crt0_1): Call getpagesize () to initialize constants. Remove cygheap_init since it is done in shared_init now. (_dll_crt0): Initialize mount_h, remove shared_h and console_h initialization. * fhandler_console.cc (console_shared_h): Eliminate. (get_tty_stuff): Use cygheap->console_h rather than console_shared_h. * heap.cc (heap_init): Use page size constant calculated earlier in initialization. * shared.cc: Eliminate cygwin_shared_h. Add cygwin_mount_h. (mount_table_init): New function for initializing a user mount table. (open_shared_file_map): Use constant for shared memory region. Initialize cygheap and mount table here. (open_shared): Improve debugging output. (shared_info::initialize): Eliminate call to mount.init. (shared_terminate): Use cygheap->shared_h. Close cygwin_mount_h. (open_shared_file_map): Eliminate. * shared_info.h (mount_info): Add a version field. (shared_align_past): New macro for calculating location for shared memory regions. * sigproc.cc (init_child_info): Eliminate shared_h, console_h. * spawn.cc (spawn_guts): Pass on cygwin_mount_h iff not a different user. * syscalls.cc (system_info): New global holding system memory defaults. (getpagesize): Use system_info. * uinfo.cc (internal_getlogin): Only fill in user name if nonexistent. * winsup.h: Declare system_info. * passwd.cc (read_etc_passwd): Use cygheap->user.name () rather than retrieving the name again.
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#define shared_align_past(p) \
((char *) (system_info.dwAllocationGranularity * \
(((DWORD) ((p) + 1) + system_info.dwAllocationGranularity - 1) / \
system_info.dwAllocationGranularity)))
* fhandler.h (-struct wsa_event): Move to wsa_event.h. Include wsa_event.h instead. * fhandler_socket.cc (NUM_SOCKS): Move to wsa_event.h. (wsa_events): Move from DLL shared area to cygwin_shared shared memory. Accommodate throughout. (socket_serial_number): Ditto. * fhandler_tape.cc (mt): Ditto. (mtinfo_init): Remove. (mt): Define as cygwin_shared->mt. * flock.cc (FLOCK_PARENT_DIR_ACCESS): Remove. (FLOCK_INODE_DIR_ACCESS): Move up in file. (FLOCK_MUTANT_ACCESS): Ditto. (FLOCK_EVENT_ACCESS): Ditto. (get_lock_parent_dir): Remove. (inode_t::inode_t): Call get_shared_parent_dir to get parent dir handle. Add a "flock-" prefix to file's lock directory name for clarity. * mtinfo.h (mtinfo_init): Drop declaration. * net.cc (last_used_bindresvport): Move from DLL shared area to cygwin_shared shared memory. (cygwin_bindresvport_sa): Accommodate above change. * sec_helper.cc (_everyone_sd): Move here from flock.cc. * security.h (SD_MIN_SIZE): Ditto. (everyone_sd): Ditto. * shared.cc (cygwin_shared_area): Remove. (cygwin_shared_h): New handle. (get_shared_parent_dir): New static function. (shared_name): Drop session_local argument. Call get_shared_parent_dir here. Add cygwin-shared subdir to object name. (offsets): Reinstantiate SH_CYGWIN_SHARED member. (open_shared): Revert change from 2007-03-29 for systems supporting SeCreateGlobalPrivilege. (shared_info::initialize): Call mtinfo's initialize here. (memory_init): Drop call to mtinfo_init. * shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info. (CURR_SHARED_MAGIC): Ditto. (class shared_info): Add members for global socket and tape info sharing. (enum shared_locations): Reinstantiate SH_CYGWIN_SHARED. (get_shared_parent_dir): Declare. (shared_name): Drop session_local argument from declaration. * wsa_event.h: New file. Move definitions of NUM_SOCKS and struct wsa_event here.
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HANDLE get_shared_parent_dir ();
* Makefile.in (DLL_OFILES): Add kernel32.o. * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
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HANDLE get_session_parent_dir ();
* fhandler.h (-struct wsa_event): Move to wsa_event.h. Include wsa_event.h instead. * fhandler_socket.cc (NUM_SOCKS): Move to wsa_event.h. (wsa_events): Move from DLL shared area to cygwin_shared shared memory. Accommodate throughout. (socket_serial_number): Ditto. * fhandler_tape.cc (mt): Ditto. (mtinfo_init): Remove. (mt): Define as cygwin_shared->mt. * flock.cc (FLOCK_PARENT_DIR_ACCESS): Remove. (FLOCK_INODE_DIR_ACCESS): Move up in file. (FLOCK_MUTANT_ACCESS): Ditto. (FLOCK_EVENT_ACCESS): Ditto. (get_lock_parent_dir): Remove. (inode_t::inode_t): Call get_shared_parent_dir to get parent dir handle. Add a "flock-" prefix to file's lock directory name for clarity. * mtinfo.h (mtinfo_init): Drop declaration. * net.cc (last_used_bindresvport): Move from DLL shared area to cygwin_shared shared memory. (cygwin_bindresvport_sa): Accommodate above change. * sec_helper.cc (_everyone_sd): Move here from flock.cc. * security.h (SD_MIN_SIZE): Ditto. (everyone_sd): Ditto. * shared.cc (cygwin_shared_area): Remove. (cygwin_shared_h): New handle. (get_shared_parent_dir): New static function. (shared_name): Drop session_local argument. Call get_shared_parent_dir here. Add cygwin-shared subdir to object name. (offsets): Reinstantiate SH_CYGWIN_SHARED member. (open_shared): Revert change from 2007-03-29 for systems supporting SeCreateGlobalPrivilege. (shared_info::initialize): Call mtinfo's initialize here. (memory_init): Drop call to mtinfo_init. * shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info. (CURR_SHARED_MAGIC): Ditto. (class shared_info): Add members for global socket and tape info sharing. (enum shared_locations): Reinstantiate SH_CYGWIN_SHARED. (get_shared_parent_dir): Declare. (shared_name): Drop session_local argument from declaration. * wsa_event.h: New file. Move definitions of NUM_SOCKS and struct wsa_event here.
2008-04-19 04:13:37 +08:00
char *__stdcall shared_name (char *, const char *, int);
WCHAR *__stdcall shared_name (WCHAR *, const WCHAR *, int);
void *__stdcall open_shared (const WCHAR *, int, HANDLE&, DWORD,
shared_locations, PSECURITY_ATTRIBUTES = &sec_all,
DWORD = FILE_MAP_READ | FILE_MAP_WRITE);
void *__stdcall open_shared (const WCHAR *, int, HANDLE&, DWORD,
shared_locations *, PSECURITY_ATTRIBUTES = &sec_all,
DWORD = FILE_MAP_READ | FILE_MAP_WRITE);
extern void user_shared_create (bool reinit);