100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
/* shared_info.h: shared info for cygwin
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Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009,
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2010, 2011 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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#include "tty.h"
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#include "security.h"
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#include "mtinfo.h"
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#include "limits.h"
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#include "mount.h"
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#define CURR_USER_MAGIC 0x6467403bU
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class user_info
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{
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void initialize ();
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public:
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LONG version;
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DWORD cb;
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bool warned_msdos;
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bool warned_notty;
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mount_info mountinfo;
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friend void dll_crt0_1 (void *);
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static void create (bool);
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};
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/******** Shared Info ********/
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/* Data accessible to all tasks */
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#define CURR_SHARED_MAGIC 0x34e5bfa7U
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#define USER_VERSION 1
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/* NOTE: Do not make gratuitous changes to the names or organization of the
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below class. The layout is checksummed to determine compatibility between
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different cygwin versions. */
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class shared_info
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{
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LONG version;
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DWORD cb;
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public:
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DWORD heap_chunk;
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tty_list tty;
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LONG last_used_bindresvport;
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DWORD obcaseinsensitive;
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mtinfo mt;
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void initialize ();
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void init_obcaseinsensitive ();
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unsigned heap_chunk_size ();
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static void create ();
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};
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extern shared_info *cygwin_shared;
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extern user_info *user_shared;
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#define mount_table (&(user_shared->mountinfo))
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extern HANDLE cygwin_user_h;
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enum shared_locations
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{
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SH_CYGWIN_SHARED,
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SH_USER_SHARED,
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SH_MYSELF,
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SH_SHARED_CONSOLE,
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SH_TOTAL_SIZE,
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SH_JUSTCREATE,
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SH_JUSTOPEN
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};
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void memory_init (bool) __attribute__ ((regparm(1)));
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void __stdcall shared_destroy ();
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#define shared_align_past(p) \
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((char *) (system_info.dwAllocationGranularity * \
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(((DWORD) ((p) + 1) + system_info.dwAllocationGranularity - 1) / \
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system_info.dwAllocationGranularity)))
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HANDLE get_shared_parent_dir ();
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HANDLE get_session_parent_dir ();
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char *__stdcall shared_name (char *, const char *, int);
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WCHAR *__stdcall shared_name (WCHAR *, const WCHAR *, int);
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void *__stdcall open_shared (const WCHAR *, int, HANDLE&, DWORD,
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shared_locations, PSECURITY_ATTRIBUTES = &sec_all,
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DWORD = FILE_MAP_READ | FILE_MAP_WRITE);
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void *__stdcall open_shared (const WCHAR *, int, HANDLE&, DWORD,
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shared_locations *, PSECURITY_ATTRIBUTES = &sec_all,
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DWORD = FILE_MAP_READ | FILE_MAP_WRITE);
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extern void user_shared_create (bool reinit);
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extern void init_installation_root ();
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extern WCHAR installation_root[PATH_MAX];
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extern UNICODE_STRING installation_key;
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