173 lines
5.5 KiB
C++
173 lines
5.5 KiB
C++
/* globals.cc - Define global variables here.
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#define NO_GLOBALS_H
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#include "winsup.h"
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#include "cygtls.h"
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#include "perprocess.h"
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#include "cygprops.h"
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#include "thread.h"
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#include <malloc.h>
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#include <cygwin/version.h>
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HANDLE NO_COPY hMainThread;
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HANDLE NO_COPY hProcToken;
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HANDLE NO_COPY hProcImpToken;
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HANDLE my_wr_proc_pipe;
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HMODULE NO_COPY cygwin_hmodule;
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int NO_COPY sigExeced;
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WCHAR windows_system_directory[MAX_PATH];
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UINT windows_system_directory_length;
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WCHAR system_wow64_directory[MAX_PATH];
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UINT system_wow64_directory_length;
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/* program exit the program */
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enum exit_states
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{
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ES_NOT_EXITING = 0,
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ES_EXIT_STARTING,
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ES_SIGNAL_EXIT,
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ES_PROCESS_LOCKED,
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ES_EVENTS_TERMINATE,
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ES_SIGNAL,
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ES_CLOSEALL,
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ES_THREADTERM,
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ES_HUP_PGRP,
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ES_HUP_SID,
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ES_TTY_TERMINATE,
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ES_FINAL
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};
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exit_states NO_COPY exit_state;
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/* Set in init.cc. Used to check if Cygwin DLL is dynamically loaded. */
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int NO_COPY dynamically_loaded;
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/* Some CYGWIN environment variable variables. */
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bool allow_glob = true;
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bool ignore_case_with_glob = false;
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bool dos_file_warning = true;
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bool allow_winsymlinks = false;
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bool reset_com = false;
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bool pipe_byte = false;
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bool detect_bloda = false;
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bool NO_COPY in_forkee;
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int __argc_safe;
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int __argc;
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char **__argv;
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#ifdef NEWVFORK
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vfork_save NO_COPY *main_vfork;
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#endif
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_cygtls NO_COPY *_main_tls /* !globals.h */;
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bool NO_COPY cygwin_finished_initializing;
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bool NO_COPY _cygwin_testing;
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char NO_COPY almost_null[1];
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/* Heavily-used const UNICODE_STRINGs are defined here once. The idea is a
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speed improvement by not having to initialize a UNICODE_STRING every time
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we make a string comparison. The strings are not defined as const,
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because the respective NT functions are not taking const arguments
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and doing so here results in lots of extra casts for no good reason.
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Rather, the strings are placed in the R/O section .rdata, so we get
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a SEGV if some code erroneously tries to overwrite these strings. */
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#define _ROU(_s) \
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{ Length: sizeof (_s) - sizeof (WCHAR), \
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MaximumLength: sizeof (_s), \
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Buffer: (PWSTR) (_s) }
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UNICODE_STRING _RDATA ro_u_empty = _ROU (L"");
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UNICODE_STRING _RDATA ro_u_lnk = _ROU (L".lnk");
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UNICODE_STRING _RDATA ro_u_exe = _ROU (L".exe");
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UNICODE_STRING _RDATA ro_u_dll = _ROU (L".dll");
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UNICODE_STRING _RDATA ro_u_com = _ROU (L".com");
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UNICODE_STRING _RDATA ro_u_scr = _ROU (L".scr");
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UNICODE_STRING _RDATA ro_u_sys = _ROU (L".sys");
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UNICODE_STRING _RDATA ro_u_proc = _ROU (L"proc");
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UNICODE_STRING _RDATA ro_u_dev = _ROU (L"dev");
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UNICODE_STRING _RDATA ro_u_pmem = _ROU (L"\\Device\\PhysicalMemory");
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UNICODE_STRING _RDATA ro_u_natp = _ROU (L"\\??\\");
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UNICODE_STRING _RDATA ro_u_uncp = _ROU (L"\\??\\UNC\\");
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UNICODE_STRING _RDATA ro_u_mtx = _ROU (L"mtx");
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UNICODE_STRING _RDATA ro_u_csc = _ROU (L"CSC-CACHE");
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UNICODE_STRING _RDATA ro_u_fat = _ROU (L"FAT");
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UNICODE_STRING _RDATA ro_u_mvfs = _ROU (L"MVFS");
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UNICODE_STRING _RDATA ro_u_nfs = _ROU (L"NFS");
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UNICODE_STRING _RDATA ro_u_ntfs = _ROU (L"NTFS");
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UNICODE_STRING _RDATA ro_u_refs = _ROU (L"ReFS");
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UNICODE_STRING _RDATA ro_u_sunwnfs = _ROU (L"SUNWNFS");
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UNICODE_STRING _RDATA ro_u_udf = _ROU (L"UDF");
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UNICODE_STRING _RDATA ro_u_unixfs = _ROU (L"UNIXFS");
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UNICODE_STRING _RDATA ro_u_nwfs = _ROU (L"NWFS");
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UNICODE_STRING _RDATA ro_u_ncfsd = _ROU (L"NcFsd");
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UNICODE_STRING _RDATA ro_u_volume = _ROU (L"\\??\\Volume{");
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UNICODE_STRING _RDATA ro_u_pipedir = _ROU (L"\\\\?\\PIPE\\");
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UNICODE_STRING _RDATA ro_u_globalroot = _ROU (L"\\\\.\\GLOBALROOT");
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#undef _ROU
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/* Cygwin properties are meant to be readonly data placed in the DLL, but
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which can be changed by external tools to make adjustments to the
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behaviour of a DLL based on the binary of the DLL itself. This is
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different from $CYGWIN since it only affects that very DLL, not all
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DLLs which have access to the $CYGWIN environment variable. */
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cygwin_props_t _RDATA cygwin_props =
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{
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CYGWIN_PROPS_MAGIC,
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sizeof (cygwin_props_t),
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0
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};
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extern "C"
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{
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/* This is an exported copy of environ which can be used by DLLs
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which use cygwin.dll. */
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char **__cygwin_environ;
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char ***main_environ = &__cygwin_environ;
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/* __progname used in getopt error message */
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char *__progname;
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char *program_invocation_name;
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char *program_invocation_short_name;
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static MTinterface _mtinterf;
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struct per_process __cygwin_user_data =
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{/* initial_sp */ 0, /* magic_biscuit */ 0,
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/* dll_major */ CYGWIN_VERSION_DLL_MAJOR,
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/* dll_major */ CYGWIN_VERSION_DLL_MINOR,
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/* impure_ptr_ptr */ NULL, /* envptr */ NULL,
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/* malloc */ malloc, /* free */ free,
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/* realloc */ realloc,
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/* fmode_ptr */ NULL, /* main */ NULL, /* ctors */ NULL,
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/* dtors */ NULL, /* data_start */ NULL, /* data_end */ NULL,
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/* bss_start */ NULL, /* bss_end */ NULL,
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/* calloc */ calloc,
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/* premain */ {NULL, NULL, NULL, NULL},
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/* run_ctors_p */ 0,
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/* unused */ {},
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/* cxx_malloc */ &default_cygwin_cxx_malloc,
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/* hmodule */ NULL,
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/* api_major */ 0,
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/* api_minor */ 0,
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/* unused2 */ {},
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/* pseudo_reloc_start */ NULL,
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/* pseudo_reloc_end */ NULL,
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/* image_base */ NULL,
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/* threadinterface */ &_mtinterf,
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/* impure_ptr */ _GLOBAL_REENT,
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};
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int _check_for_executable = true;
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};
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int NO_COPY __api_fatal_exit_val = 1;
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