newlib-cygwin/winsup/cygwin/local_includes/shared_info.h

99 lines
2.3 KiB
C++

/* 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"
#include "mtinfo.h"
#include "limits.h"
#include "mount.h"
#include "loadavg.h"
#define CURR_USER_MAGIC 0xab1fcce8U
class user_info
{
void initialize ();
public:
LONG version;
DWORD cb;
bool warned_msdos;
bool warned_notty;
bool warned_nonativesyms;
mount_info mountinfo;
friend void dll_crt0_1 (void *);
static void create (bool);
};
/******** Shared Info ********/
/* Data accessible to all tasks */
#define CURR_SHARED_MAGIC 0x205f4579U
#define USER_VERSION 1
/* 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
{
LONG version;
DWORD cb;
public:
tty_list tty;
HWND cons_hwnd[MAX_CONS_DEV];
LONG last_used_bindresvport;
DWORD obcaseinsensitive;
mtinfo mt;
loadavginfo loadavg;
LONG pid_src;
LONG forkable_hardlink_support;
void initialize ();
void init_obcaseinsensitive ();
unsigned heap_chunk_size ();
static void create ();
};
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_MYSELF,
SH_SHARED_CONSOLE,
SH_TOTAL_SIZE,
SH_JUSTCREATE,
SH_JUSTOPEN
};
void memory_init ();
void shared_destroy ();
#define shared_align_past(p) \
((char *) (system_info.dwAllocationGranularity * \
(((DWORD) ((p) + 1) + system_info.dwAllocationGranularity - 1) / \
system_info.dwAllocationGranularity)))
HANDLE get_shared_parent_dir ();
HANDLE get_session_parent_dir ();
char *shared_name (char *, const char *, int);
WCHAR *shared_name (WCHAR *, const WCHAR *, int);
void *open_shared (const WCHAR *, int, HANDLE&, DWORD,
shared_locations, PSECURITY_ATTRIBUTES = &sec_all,
DWORD = FILE_MAP_READ | FILE_MAP_WRITE);
void *open_shared (const WCHAR *, int, HANDLE&, DWORD,
shared_locations, bool &, PSECURITY_ATTRIBUTES = &sec_all,
DWORD = FILE_MAP_READ | FILE_MAP_WRITE);
extern void user_shared_create (bool reinit);