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authormarha <marha@users.sourceforge.net>2010-09-30 09:49:59 +0000
committermarha <marha@users.sourceforge.net>2010-09-30 09:49:59 +0000
commitf952d0d771de6d9b8ecc3cbbe3624203723bbb25 (patch)
tree6dd2d11e017529c66f2489000136201829dc3b9d /xorg-server/hw/xfree86/loader/dlloader.c
parentf6ba83c963bf48dfa349ab8c54d1968c4c69f7b8 (diff)
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xserver libX11 xkeyboard-config git update 30/9/2010
Diffstat (limited to 'xorg-server/hw/xfree86/loader/dlloader.c')
-rw-r--r--xorg-server/hw/xfree86/loader/dlloader.c178
1 files changed, 0 insertions, 178 deletions
diff --git a/xorg-server/hw/xfree86/loader/dlloader.c b/xorg-server/hw/xfree86/loader/dlloader.c
deleted file mode 100644
index 18dcb76c6..000000000
--- a/xorg-server/hw/xfree86/loader/dlloader.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright (c) 1997 The XFree86 Project, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without
- * fee, provided that the above copyright notice appear in all copies
- * and that both that copyright notice and this permission notice
- * appear in supporting documentation, and that the name of the
- * XFree86 Project, Inc. not be used in advertising or publicity
- * pertaining to distribution of the software without specific,
- * written prior permission. The Xfree86 Project, Inc. makes no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied
- * warranty.
- *
- * THE XFREE86 PROJECT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO
- * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS, IN NO EVENT SHALL THE XFREE86 PROJECT, INC. BE LIABLE
- * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
- * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- */
-
-/*
- * Once upon a time, X had multiple loader backends, three of which were
- * essentially libdl reimplementations. This was nonsense so we chucked
- * it, but we still retain the factorization between loader API and
- * platform implementation. This file is the libdl implementation, and
- * currently the only backend. If you find yourself porting to a platform
- * without working libdl - hpux, win32, some forsaken a.out host, etc. -
- * make a new backend rather than hacking up this file.
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <dlfcn.h>
-
-#include <X11/Xos.h>
-#include "os.h"
-
-#include "loader.h"
-#include "dlloader.h"
-
-#if defined(DL_LAZY)
-#define DLOPEN_LAZY DL_LAZY
-#elif defined(RTLD_LAZY)
-#define DLOPEN_LAZY RTLD_LAZY
-#elif defined(__FreeBSD__)
-#define DLOPEN_LAZY 1
-#else
-#define DLOPEN_LAZY 0
-#endif
-
-#if defined(LD_GLOBAL)
-#define DLOPEN_GLOBAL LD_GLOBAL
-#elif defined(RTLD_GLOBAL)
-#define DLOPEN_GLOBAL RTLD_GLOBAL
-#else
-#define DLOPEN_GLOBAL 0
-#endif
-
-#if defined(CSRG_BASED) && !defined(__ELF__)
-#define DLSYM_PREFIX "_"
-#else
-#define DLSYM_PREFIX ""
-#endif
-
-/* Hooray, yet another open coded linked list! FIXME */
-typedef struct DLModuleList {
- void *module;
- struct DLModuleList *next;
-} DLModuleList;
-
-static DLModuleList *dlModuleList = NULL;
-
-static void *
-DLFindSymbolLocal(pointer module, const char *name)
-{
- void *p;
- char *n;
-
- static const char symPrefix[] = DLSYM_PREFIX;
-
- if (sizeof(symPrefix) > 1) {
- n = malloc(strlen(symPrefix) + strlen(name) + 1);
- sprintf(n, "%s%s", symPrefix, name);
- name = n;
- }
-
- p = dlsym(module, name);
-
- if (sizeof(symPrefix) > 1)
- free(n);
-
- return p;
-}
-
-static void *global_scope = NULL;
-
-void *
-DLFindSymbol(const char *name)
-{
- DLModuleList *l;
- void *p;
-
- p = dlsym(RTLD_DEFAULT, name);
- if (p != NULL)
- return p;
-
- for (l = dlModuleList; l != NULL; l = l->next) {
- p = DLFindSymbolLocal(l->module, name);
- if (p)
- return p;
- }
-
- if (!global_scope)
- global_scope = dlopen(NULL, DLOPEN_LAZY | DLOPEN_GLOBAL);
-
- if (global_scope)
- return DLFindSymbolLocal(global_scope, name);
-
- return NULL;
-}
-
-void *
-DLLoadModule(loaderPtr modrec, int flags)
-{
- void * dlfile;
- DLModuleList *l;
- int dlopen_flags;
-
- if (flags & LD_FLAG_GLOBAL)
- dlopen_flags = DLOPEN_LAZY | DLOPEN_GLOBAL;
- else
- dlopen_flags = DLOPEN_LAZY;
- dlfile = dlopen(modrec->name, dlopen_flags);
- if (dlfile == NULL) {
- ErrorF("dlopen: %s\n", dlerror());
- return NULL;
- }
-
- l = malloc(sizeof(DLModuleList));
- l->module = dlfile;
- l->next = dlModuleList;
- dlModuleList = l;
-
- return (void *)dlfile;
-}
-
-void
-DLUnloadModule(void *modptr)
-{
- DLModuleList *l, *p;
-
- /* remove it from dlModuleList. */
- if (dlModuleList->module == modptr) {
- l = dlModuleList;
- dlModuleList = l->next;
- free(l);
- } else {
- p = dlModuleList;
- for (l = dlModuleList->next; l != NULL; l = l->next) {
- if (l->module == modptr) {
- p->next = l->next;
- free(l);
- break;
- }
- p = l;
- }
- }
- dlclose(modptr);
-}