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-rw-r--r--src/gc.cpp312
1 files changed, 0 insertions, 312 deletions
diff --git a/src/gc.cpp b/src/gc.cpp
deleted file mode 100644
index 280a8b1dc..000000000
--- a/src/gc.cpp
+++ /dev/null
@@ -1,312 +0,0 @@
-/** @file
- * Wrapper for Boehm GC.
- */
-/* Authors:
- * MenTaLguY <mental@rydia.net>
- *
- * Copyright (C) 2004 MenTaLguY
- *
- * Released under GNU GPL, read the file 'COPYING' for more information
- */
-
-#include "gc-core.h"
-#include <stdexcept>
-#include <cstring>
-#include <string>
-#include <glib.h>
-#include <sigc++/functors/ptr_fun.h>
-#include <glibmm/main.h>
-#include <cstddef>
-
-namespace Inkscape {
-namespace GC {
-
-namespace {
-
-void display_warning(char *msg, GC_word arg) {
- g_warning(msg, arg);
-}
-
-void do_init() {
- GC_no_dls = 1;
- GC_all_interior_pointers = 1;
- GC_finalize_on_demand = 0;
-
- GC_INIT();
-
- GC_set_warn_proc(&display_warning);
-}
-
-void *debug_malloc(std::size_t size) {
- return GC_debug_malloc(size, GC_EXTRAS);
-}
-
-void *debug_malloc_atomic(std::size_t size) {
- return GC_debug_malloc_atomic(size, GC_EXTRAS);
-}
-
-void *debug_malloc_uncollectable(std::size_t size) {
- return GC_debug_malloc_uncollectable(size, GC_EXTRAS);
-}
-
-void *debug_malloc_atomic_uncollectable(std::size_t size) {
- return GC_debug_malloc_uncollectable(size, GC_EXTRAS);
-}
-
-std::ptrdiff_t compute_debug_base_fixup() {
- char *base=reinterpret_cast<char *>(GC_debug_malloc(1, GC_EXTRAS));
- char *real_base=reinterpret_cast<char *>(GC_base(base));
- GC_debug_free(base);
- return base - real_base;
-}
-
-inline std::ptrdiff_t const &debug_base_fixup() {
- static std::ptrdiff_t fixup=compute_debug_base_fixup();
- return fixup;
-}
-
-void *debug_base(void *ptr) {
- char *base=reinterpret_cast<char *>(GC_base(ptr));
- return base + debug_base_fixup();
-}
-
-int debug_general_register_disappearing_link(void **p_ptr, void const *base) {
- char const *real_base = reinterpret_cast<char const *>(base) - debug_base_fixup();
-#if (GC_MAJOR_VERSION >= 7 && GC_MINOR_VERSION >= 4)
- return GC_general_register_disappearing_link(p_ptr, real_base);
-#else // compatibility with older Boehm GC versions
- return GC_general_register_disappearing_link(p_ptr, const_cast<char *>(real_base));
-#endif
-}
-
-void dummy_do_init() {}
-
-void *dummy_base(void *) { return NULL; }
-
-void dummy_register_finalizer(void *, CleanupFunc, void *,
- CleanupFunc *old_func, void **old_data)
-{
- if (old_func) {
- *old_func = NULL;
- }
- if (old_data) {
- *old_data = NULL;
- }
-}
-
-int dummy_general_register_disappearing_link(void **, void const *) { return false; }
-
-int dummy_unregister_disappearing_link(void **/*link*/) { return false; }
-
-std::size_t dummy_get_heap_size() { return 0; }
-
-std::size_t dummy_get_free_bytes() { return 0; }
-
-void dummy_gcollect() {}
-
-void dummy_enable() {}
-
-void dummy_disable() {}
-
-Ops enabled_ops = {
- &do_init,
- &GC_malloc,
- &GC_malloc_atomic,
- &GC_malloc_uncollectable,
- &GC_malloc_atomic_uncollectable,
- &GC_base,
- &GC_register_finalizer_ignore_self,
-#if (GC_MAJOR_VERSION >= 7 && GC_MINOR_VERSION >= 4)
- &GC_general_register_disappearing_link,
-#else // compatibility with older Boehm GC versions
- (int (*)(void**, const void*))(&GC_general_register_disappearing_link),
-#endif
- &GC_unregister_disappearing_link,
- &GC_get_heap_size,
- &GC_get_free_bytes,
- &GC_gcollect,
- &GC_enable,
- &GC_disable,
- &GC_free
-};
-
-Ops debug_ops = {
- &do_init,
- &debug_malloc,
- &debug_malloc_atomic,
- &debug_malloc_uncollectable,
- &debug_malloc_atomic_uncollectable,
- &debug_base,
- &GC_debug_register_finalizer_ignore_self,
- &debug_general_register_disappearing_link,
- &GC_unregister_disappearing_link,
- &GC_get_heap_size,
- &GC_get_free_bytes,
- &GC_gcollect,
- &GC_enable,
- &GC_disable,
- &GC_debug_free
-};
-
-Ops disabled_ops = {
- &dummy_do_init,
- &std::malloc,
- &std::malloc,
- &std::malloc,
- &std::malloc,
- &dummy_base,
- &dummy_register_finalizer,
- &dummy_general_register_disappearing_link,
- &dummy_unregister_disappearing_link,
- &dummy_get_heap_size,
- &dummy_get_free_bytes,
- &dummy_gcollect,
- &dummy_enable,
- &dummy_disable,
- &std::free
-};
-
-class InvalidGCModeError : public std::runtime_error {
-public:
- InvalidGCModeError(const char *mode)
- : runtime_error(std::string("Unknown GC mode \"") + mode + "\"")
- {}
-};
-
-Ops const &get_ops() throw (InvalidGCModeError) {
- char *mode_string=std::getenv("_INKSCAPE_GC");
- if (mode_string) {
- if (!std::strcmp(mode_string, "enable")) {
- return enabled_ops;
- } else if (!std::strcmp(mode_string, "debug")) {
- return debug_ops;
- } else if (!std::strcmp(mode_string, "disable")) {
- return disabled_ops;
- } else {
- throw InvalidGCModeError(mode_string);
- }
- } else {
- return enabled_ops;
- }
-}
-
-void die_because_not_initialized() {
- g_error("Attempt to use GC allocator before call to Inkscape::GC::init()");
-}
-
-void *stub_malloc(std::size_t) {
- die_because_not_initialized();
- return NULL;
-}
-
-void *stub_base(void *) {
- die_because_not_initialized();
- return NULL;
-}
-
-void stub_register_finalizer_ignore_self(void *, CleanupFunc, void *,
- CleanupFunc *, void **)
-{
- die_because_not_initialized();
-}
-
-int stub_general_register_disappearing_link(void **, void const *) {
- die_because_not_initialized();
- return 0;
-}
-
-int stub_unregister_disappearing_link(void **) {
- die_because_not_initialized();
- return 0;
-}
-
-std::size_t stub_get_heap_size() {
- die_because_not_initialized();
- return 0;
-}
-
-std::size_t stub_get_free_bytes() {
- die_because_not_initialized();
- return 0;
-}
-
-void stub_gcollect() {
- die_because_not_initialized();
-}
-
-void stub_enable() {
- die_because_not_initialized();
-}
-
-void stub_disable() {
- die_because_not_initialized();
-}
-
-void stub_free(void *) {
- die_because_not_initialized();
-}
-
-}
-
-Ops Core::_ops = {
- NULL,
- &stub_malloc,
- &stub_malloc,
- &stub_malloc,
- &stub_malloc,
- &stub_base,
- &stub_register_finalizer_ignore_self,
- &stub_general_register_disappearing_link,
- &stub_unregister_disappearing_link,
- &stub_get_heap_size,
- &stub_get_free_bytes,
- &stub_gcollect,
- &stub_enable,
- &stub_disable,
- &stub_free
-};
-
-void Core::init() {
- try {
- _ops = get_ops();
- } catch (InvalidGCModeError &e) {
- g_warning("%s; enabling normal collection", e.what());
- _ops = enabled_ops;
- }
-
- _ops.do_init();
-}
-
-
-namespace {
-
-bool collection_requested=false;
-bool collection_task() {
- Core::gcollect();
- Core::gcollect();
- collection_requested=false;
- return false;
-}
-
-}
-
-void request_early_collection() {
- if (!collection_requested) {
- collection_requested=true;
- Glib::signal_idle().connect(sigc::ptr_fun(&collection_task));
- }
-}
-
-}
-}
-
-/*
- Local Variables:
- mode:c++
- c-file-style:"stroustrup"
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
- indent-tabs-mode:nil
- fill-column:99
- End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-19 16:32:30 +0000