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Diffstat (limited to 'winsup/cygwin/cygheap.h')
-rw-r--r--winsup/cygwin/cygheap.h328
1 files changed, 0 insertions, 328 deletions
diff --git a/winsup/cygwin/cygheap.h b/winsup/cygwin/cygheap.h
deleted file mode 100644
index 6f81eaa41..000000000
--- a/winsup/cygwin/cygheap.h
+++ /dev/null
@@ -1,328 +0,0 @@
-/* cygheap.h: Cygwin heap manager.
-
- Copyright 2000, 2001, 2002 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. */
-
-#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 */
-
-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; }
-};
-
-enum homebodies
-{
- CH_HOMEDRIVE,
- CH_HOMEPATH,
- CH_HOME
-};
-
-struct passwd;
-
-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 */
- char *homedrive; /* User's home drive */
- char *homepath; /* User's home path */
- char *pwinname; /* User's name as far as Windows knows it */
- char *puserprof; /* User profile */
- PSID psid; /* buffer for user's SID */
- PSID orig_psid; /* Remains intact even after impersonation */
-public:
- __uid32_t orig_uid; /* Remains intact even after impersonation */
- __gid32_t orig_gid; /* Ditto */
- __uid32_t real_uid; /* Remains intact on seteuid, replaced by setuid */
- __gid32_t real_gid; /* Ditto */
- user_groups groups; /* Primary and supp SIDs */
-
- /* 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;
-
- /* CGF 2002-06-27. I removed the initializaton from this constructor
- since this class is always allocated statically. That means that everything
- is zero anyway so there is no need to initialize it to zero. Since the
- token initialization is always handled during process startup as well,
- I've removed the constructor entirely. Please reinstate this f this
- situation ever changes.
- cygheap_user () : pname (NULL), plogsrv (NULL), pdomain (NULL),
- homedrive (NULL), homepath (NULL), psid (NULL),
- token (INVALID_HANDLE_VALUE) {}
- */
-
- ~cygheap_user ();
-
- void set_name (const char *new_name);
- const char *name () const { return pname; }
-
- const char *env_logsrv (const char *, size_t);
- const char *env_homepath (const char *, size_t);
- const char *env_homedrive (const char *, size_t);
- const char *env_userprofile (const char *, size_t);
- const char *env_domain (const char *, size_t);
- const char *env_name (const char *, size_t);
-
- const char *logsrv ()
- {
- const char *p = env_logsrv ("LOGONSERVER=", sizeof ("LOGONSERVER=") - 1);
- return (p == almost_null) ? NULL : p;
- }
- const char *winname ()
- {
- const char *p = env_name ("USERNAME=", sizeof ("USERNAME=") - 1);
- return (p == almost_null) ? NULL : p;
- }
- const char *domain ()
- {
- const char *p = env_domain ("USERDOMAIN=", sizeof ("USERDOMAIN=") - 1);
- return (p == almost_null) ? NULL : p;
- }
- BOOL set_sid (PSID new_sid);
- BOOL set_orig_sid ();
- PSID sid () const { return psid; }
- PSID orig_sid () const { return orig_psid; }
- const char *ontherange (homebodies what, struct passwd * = NULL);
- bool issetuid () const
- {
- return impersonated && token != INVALID_HANDLE_VALUE;
- }
- const char *cygheap_user::test_uid (char *&, const char *, size_t)
- __attribute__ ((regparm (3)));
-};
-
-/* cwd cache stuff. */
-
-class muto;
-
-struct cwdstuff
-{
- char *posix;
- char *win32;
- DWORD hash;
- muto *cwd_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);
-};
-
-#ifdef DEBUGGING
-struct cygheap_debug
-{
- handle_list starth;
- handle_list *endh;
- handle_list freeh[500];
-};
-#endif
-
-struct init_cygheap
-{
- _cmalloc_entry *chain;
- char *buckets[32];
- struct /* User heap stuff. */
- {
- void *heapbase;
- void *heapptr;
- void *heaptop;
- };
- cygheap_root root;
- cygheap_user user;
- mode_t umask;
- HANDLE shared_h;
- HANDLE console_h;
- HANDLE etc_changed_h;
- char *cygwin_regname;
- cwdstuff cwd;
- dtable fdtab;
-#ifdef DEBUGGING
- cygheap_debug debug;
-#endif
-
- bool etc_changed ();
-};
-
-#define CYGHEAPSIZE (sizeof (init_cygheap) + (4000 * sizeof (fhandler_union)) + (2 * 65536))
-
-extern init_cygheap *cygheap;
-extern void *cygheap_max;
-
-class cygheap_fdmanip
-{
- protected:
- int fd;
- fhandler_base **fh;
- bool locked;
- public:
- cygheap_fdmanip (): fh (NULL) {}
- virtual ~cygheap_fdmanip ()
- {
- if (locked)
- ReleaseResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "cygheap_fdmanip");
- }
- void release ()
- {
- cygheap->fdtab.release (fd);
- }
- operator int &() {return fd;}
- operator fhandler_base* &() {return *fh;}
- void operator = (fhandler_base *fh) {*this->fh = fh;}
- fhandler_base *operator -> () const {return *fh;}
- bool isopen () const
- {
- if (*fh)
- return true;
- set_errno (EBADF);
- return false;
- }
-};
-
-class cygheap_fdnew : public cygheap_fdmanip
-{
- public:
- cygheap_fdnew (int seed_fd = -1, bool lockit = true)
- {
- if (lockit)
- SetResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "cygheap_fdnew");
- if (seed_fd < 0)
- fd = cygheap->fdtab.find_unused_handle ();
- else
- fd = cygheap->fdtab.find_unused_handle (seed_fd + 1);
- if (fd >= 0)
- {
- locked = lockit;
- fh = cygheap->fdtab + fd;
- }
- else
- {
- set_errno (EMFILE);
- if (lockit)
- ReleaseResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "cygheap_fdnew");
- locked = false;
- }
- }
- void operator = (fhandler_base *fh) {*this->fh = fh;}
-};
-
-class cygheap_fdget : public cygheap_fdmanip
-{
- public:
- cygheap_fdget (int fd, bool lockit = false, bool do_set_errno = true)
- {
- if (lockit)
- SetResourceLock (LOCK_FD_LIST, READ_LOCK, "cygheap_fdget");
- if (fd >= 0 && fd < (int) cygheap->fdtab.size
- && *(fh = cygheap->fdtab + fd) != NULL)
- {
- this->fd = fd;
- locked = lockit;
- }
- else
- {
- this->fd = -1;
- if (do_set_errno)
- set_errno (EBADF);
- if (lockit)
- ReleaseResourceLock (LOCK_FD_LIST, READ_LOCK, "cygheap_fdget");
- locked = false;
- }
- }
-};
-
-class child_info;
-void *__stdcall cygheap_setup_for_child (child_info *ci, bool dup_later) __attribute__ ((regparm(2)));
-void __stdcall cygheap_setup_for_child_cleanup (void *, child_info *, bool) __attribute__ ((regparm(3)));
-void __stdcall cygheap_fixup_in_child (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 cfree_and_set (char *&, char * = NULL) __attribute__ ((regparm(2)));
-void __stdcall cygheap_init ();
-extern DWORD _cygheap_start;
-}
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