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/* shared_info.h: shared info for cygwin
Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009 Red Hat, Inc.
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"
#include "mtinfo.h"
#include "limits.h"
#include "mount.h"
class user_info
{
public:
DWORD version;
DWORD cb;
bool warned_msdos;
mount_info mountinfo;
};
/******** Shared Info ********/
/* Data accessible to all tasks */
#define SHARED_VERSION (unsigned)(cygwin_version.api_major << 8 | \
cygwin_version.api_minor)
#define SHARED_VERSION_MAGIC CYGWIN_VERSION_MAGIC (SHARED_MAGIC, SHARED_VERSION)
#define SHARED_INFO_CB 31136
#define CURR_SHARED_MAGIC 0x18da899eU
#define USER_VERSION 1 // increment when mount table changes and
#define USER_VERSION_MAGIC CYGWIN_VERSION_MAGIC (USER_MAGIC, USER_VERSION)
#define CURR_USER_MAGIC 0xb2232e71U
/* 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
{
DWORD version;
DWORD cb;
public:
unsigned heap_chunk;
bool heap_slop_inited;
unsigned heap_slop;
DWORD sys_mount_table_counter;
tty_list tty;
LONG last_used_bindresvport;
DWORD obcaseinsensitive;
mtinfo mt;
void initialize ();
void init_obcaseinsensitive ();
unsigned heap_chunk_size ();
unsigned heap_slop_size ();
};
extern shared_info *cygwin_shared;
extern user_info *user_shared;
#define mount_table (&(user_shared->mountinfo))
extern HANDLE cygwin_user_h;
enum shared_locations
{
SH_CYGWIN_SHARED,
SH_USER_SHARED,
SH_SHARED_CONSOLE,
SH_MYSELF,
SH_TOTAL_SIZE,
SH_JUSTCREATE,
SH_JUSTOPEN
};
void memory_init (bool) __attribute__ ((regparm(1)));
void __stdcall shared_destroy ();
#define shared_align_past(p) \
((char *) (system_info.dwAllocationGranularity * \
(((DWORD) ((p) + 1) + system_info.dwAllocationGranularity - 1) / \
system_info.dwAllocationGranularity)))
#ifdef _FHANDLER_H_
struct console_state
{
tty_min tty_min_state;
dev_console dev_state;
};
#endif
HANDLE get_shared_parent_dir ();
HANDLE get_session_parent_dir ();
char *__stdcall shared_name (char *, const char *, int);
WCHAR *__stdcall shared_name (WCHAR *, const WCHAR *, int);
void *__stdcall open_shared (const WCHAR *name, int n, HANDLE &shared_h,
DWORD size, shared_locations&,
PSECURITY_ATTRIBUTES psa = &sec_all,
DWORD access = FILE_MAP_READ | FILE_MAP_WRITE);
extern void user_shared_create (bool reinit);
extern void user_shared_initialize ();
extern void init_installation_root ();
extern WCHAR installation_root[PATH_MAX];
extern UNICODE_STRING installation_key;
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