diff options
Diffstat (limited to 'winsup/cygwin/shared_info.h')
| -rw-r--r-- | winsup/cygwin/shared_info.h | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/winsup/cygwin/shared_info.h b/winsup/cygwin/shared_info.h deleted file mode 100644 index f2006363f..000000000 --- a/winsup/cygwin/shared_info.h +++ /dev/null @@ -1,203 +0,0 @@ -/* shared_info.h: shared info for cygwin - - Copyright 2000, 2001 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" - -/* Mount table entry */ - -class mount_item -{ - public: - /* FIXME: Nasty static allocation. Need to have a heap in the shared - area [with the user being able to configure at runtime the max size]. */ - /* Win32-style mounted partition source ("C:\foo\bar"). - native_path[0] == 0 for unused entries. */ - char native_path[CYG_MAX_PATH]; - int native_pathlen; - - /* POSIX-style mount point ("/foo/bar") */ - char posix_path[CYG_MAX_PATH]; - int posix_pathlen; - - unsigned flags; - - void init (const char *dev, const char *path, unsigned flags); - - struct mntent *getmntent (); - int fnmunge (char *, const char *, int&); - int build_win32 (char *, const char *, unsigned *, unsigned); -}; - -/* Warning: Decreasing this value will cause cygwin.dll to ignore existing - higher numbered registry entries. Don't change this number willy-nilly. - What we need is to have a more dynamic allocation scheme, but the current - scheme should be satisfactory for a long while yet. */ -#define MAX_MOUNTS 30 - -#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 0x8dc7b1d5U - -class reg_key; -struct device; - -/* 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 mount_info -{ - public: - DWORD sys_mount_table_counter; - int nmounts; - mount_item mount[MAX_MOUNTS]; - - /* cygdrive_prefix is used as the root of the path automatically - prepended to a path when the path has no associated mount. - cygdrive_flags are the default flags for the cygdrives. */ - char cygdrive[CYG_MAX_PATH]; - size_t cygdrive_len; - unsigned cygdrive_flags; - private: - int posix_sorted[MAX_MOUNTS]; - int native_sorted[MAX_MOUNTS]; - - public: - /* Increment when setting up a reg_key if mounts area had to be - created so we know when we need to import old mount tables. */ - int had_to_create_mount_areas; - - void init (); - int add_item (const char *dev, const char *path, unsigned flags, int reg_p); - int del_item (const char *path, unsigned flags, int reg_p); - - void from_registry (); - int add_reg_mount (const char * native_path, const char * posix_path, - unsigned mountflags); - int del_reg_mount (const char * posix_path, unsigned mountflags); - - unsigned set_flags_from_win32_path (const char *path); - int conv_to_win32_path (const char *src_path, char *dst, device&, - unsigned *flags = NULL); - int conv_to_posix_path (const char *src_path, char *posix_path, - int keep_rel_p); - struct mntent *getmntent (int x); - - int write_cygdrive_info_to_registry (const char *cygdrive_prefix, unsigned flags); - int remove_cygdrive_info_from_registry (const char *cygdrive_prefix, unsigned flags); - int get_cygdrive_info (char *user, char *system, char* user_flags, - char* system_flags); - - private: - - void sort (); - void read_mounts (reg_key& r); - void mount_slash (); - void to_registry (); - - int cygdrive_win32_path (const char *src, char *dst, int& unit); - void cygdrive_posix_path (const char *src, char *dst, int trailing_slash_p); - void read_cygdrive_info_from_registry (); -}; - -/******** Close-on-delete queue ********/ - -/* First pass at a file deletion queue structure. - - We can't keep this list in the per-process info, since - one process may open a file, and outlive a process which - wanted to unlink the file - and the data would go away. -*/ - -#define MAX_DELQUEUES_PENDING 100 - -class delqueue_list -{ - char name[MAX_DELQUEUES_PENDING][CYG_MAX_PATH]; - char inuse[MAX_DELQUEUES_PENDING]; - int empty; - -public: - void init (); - void queue_file (const char *dosname); - void process_queue (); -}; - -class user_info -{ -public: - DWORD version; - DWORD cb; - delqueue_list delqueue; - 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 21008 - -#define CURR_SHARED_MAGIC 0x818f75beU - -/* 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; - DWORD sys_mount_table_counter; - - tty_list tty; - void initialize (); - unsigned heap_chunk_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_MTINFO, - SH_TOTAL_SIZE -}; -void __stdcall memory_init (); - -#define shared_align_past(p) \ - ((char *) (system_info.dwAllocationGranularity * \ - (((DWORD) ((p) + 1) + system_info.dwAllocationGranularity - 1) / \ - system_info.dwAllocationGranularity))) - -#define cygwin_shared_address ((void *) 0xa000000) - -#ifdef _FHANDLER_H_ -struct console_state -{ - tty_min tty_min_state; - dev_console dev_state; -}; -#endif - -char *__stdcall shared_name (char *, const char *, int); -void *__stdcall open_shared (const char *name, int n, HANDLE &shared_h, DWORD size, - shared_locations, PSECURITY_ATTRIBUTES psa = &sec_all); -extern void user_shared_initialize (bool reinit); - |