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Diffstat (limited to 'winsup/cygwin/cygheap.h')
-rw-r--r-- | winsup/cygwin/cygheap.h | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/winsup/cygwin/cygheap.h b/winsup/cygwin/cygheap.h deleted file mode 100644 index 0f7c917a4..000000000 --- a/winsup/cygwin/cygheap.h +++ /dev/null @@ -1,180 +0,0 @@ -/* cygheap.h: Cygwin heap manager. - - Copyright 2000 Cygnus Solutions. - -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. */ - -#undef cfree - -enum cygheap_types -{ - HEAP_FHANDLER, - HEAP_STR, - HEAP_ARGV, - HEAP_BUF, - HEAP_MOUNT, - HEAP_1_START, - HEAP_1_STR, - HEAP_1_ARGV, - HEAP_1_BUF, - HEAP_1_EXEC, - HEAP_1_MAX = 100 -}; - -#define incygheap(s) (cygheap && ((char *) (s) >= (char *) cygheap) && ((char *) (s) <= ((char *) cygheap_max))) - -struct _cmalloc_entry -{ - union - { - DWORD b; - char *ptr; - }; - struct _cmalloc_entry *prev; - char data[0]; -}; - -struct cygheap_root_mount_info -{ - char posix_path[MAX_PATH]; - unsigned posix_pathlen; - char native_path[MAX_PATH]; - unsigned native_pathlen; -}; - -/* CGF: FIXME This doesn't belong here */ - -int path_prefix_p (const char *path1, const char *path2, int len1) __attribute__ ((regparm (3))); -class cygheap_root -{ - /* Root directory information. - This is used after a chroot is called. */ - struct cygheap_root_mount_info *m; - -public: - bool posix_ok (const char *path) - { - if (!m) - return 1; - return path_prefix_p (m->posix_path, path, m->posix_pathlen); - } - bool ischroot_native (const char *path) - { - if (!m) - return 1; - return strncasematch (m->native_path, path, m->native_pathlen) - && (path[m->native_pathlen] == '\\' || !path[m->native_pathlen]); - } - const char *unchroot (const char *path) - { - if (!m) - return path; - const char *p = path + m->posix_pathlen; - if (!*p) - p = "/"; - return p; - } - bool exists () {return !!m;} - void set (const char *posix, const char *native); - size_t posix_length () const { return m->posix_pathlen; } - const char *posix_path () const { return m->posix_path; } - size_t native_length () const { return m->native_pathlen; } - const char *native_path () const { return m->native_path; } -}; - -class cygheap_user -{ - /* Extendend user information. - The information is derived from the internal_getlogin call - when on a NT system. */ - char *pname; /* user's name */ - char *plogsrv; /* Logon server, may be FQDN */ - char *pdomain; /* Logon domain of the user */ - PSID psid; /* buffer for user's SID */ -public: - uid_t orig_uid; /* Remains intact even after impersonation */ - uid_t orig_gid; /* Ditto */ - uid_t real_uid; /* Remains intact on seteuid, replaced by setuid */ - gid_t real_gid; /* Ditto */ - - /* token is needed if set(e)uid should be called. It can be set by a call - to `set_impersonation_token()'. */ - HANDLE token; - BOOL impersonated; - - cygheap_user () : pname (NULL), plogsrv (NULL), pdomain (NULL), - psid (NULL), token (INVALID_HANDLE_VALUE) {} - ~cygheap_user (); - - void set_name (const char *new_name); - const char *name () const { return pname; } - - void set_logsrv (const char *new_logsrv); - const char *logsrv () const { return plogsrv; } - - void set_domain (const char *new_domain); - const char *domain () const { return pdomain; } - - BOOL set_sid (PSID new_sid); - PSID sid () const { return psid; } - - void operator =(cygheap_user &user) - { - set_name (user.name ()); - set_logsrv (user.logsrv ()); - set_domain (user.domain ()); - set_sid (user.sid ()); - } -}; - -/* cwd cache stuff. */ - -class muto; - -struct cwdstuff -{ - char *posix; - char *win32; - DWORD hash; - muto *lock; - char *get (char *buf, int need_posix = 1, int with_chroot = 0, unsigned ulen = MAX_PATH); - DWORD get_hash (); - void init (); - void fixup_after_exec (char *win32, char *posix, DWORD hash); - bool get_initial (); - void set (const char *win32_cwd, const char *posix_cwd = NULL); -}; - -struct init_cygheap -{ - _cmalloc_entry *chain; - cygheap_root root; - cygheap_user user; - mode_t umask; - HANDLE shared_h; - HANDLE console_h; - cwdstuff cwd; - dtable fdtab; -}; - -#define CYGHEAPSIZE (sizeof (init_cygheap) + (4000 * sizeof (fhandler_union)) + (2 * 65536)) - -extern init_cygheap *cygheap; -extern void *cygheap_max; - -class child_info; -void __stdcall cygheap_setup_for_child (child_info *ci) __attribute__ ((regparm(1))); -void __stdcall cygheap_fixup_in_child (child_info *, bool); -extern "C" { -void __stdcall cfree (void *) __attribute__ ((regparm(1))); -void *__stdcall cmalloc (cygheap_types, DWORD) __attribute__ ((regparm(2))); -void *__stdcall crealloc (void *, DWORD) __attribute__ ((regparm(2))); -void *__stdcall ccalloc (cygheap_types, DWORD, DWORD) __attribute__ ((regparm(3))); -char *__stdcall cstrdup (const char *) __attribute__ ((regparm(1))); -char *__stdcall cstrdup1 (const char *) __attribute__ ((regparm(1))); -void __stdcall cygheap_init (); -} |