aboutsummaryrefslogtreecommitdiff
path: root/winsup/cygwin/cygheap.h
diff options
context:
space:
mode:
Diffstat (limited to 'winsup/cygwin/cygheap.h')
-rw-r--r--winsup/cygwin/cygheap.h274
1 files changed, 0 insertions, 274 deletions
diff --git a/winsup/cygwin/cygheap.h b/winsup/cygwin/cygheap.h
deleted file mode 100644
index d3025b4..0000000
--- a/winsup/cygwin/cygheap.h
+++ /dev/null
@@ -1,274 +0,0 @@
-/* cygheap.h: Cygwin heap manager.
-
- 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. */
-
-#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;
- 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;
-
- 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 (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 ();
-}
generated by cgit v1.1 at 2025-03-30 07:27:17 +0000