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Merge pull request #45314 from RandomShaper/modernize_rwlock

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Modernize RWLock
This commit is contained in:
Rémi Verschelde 2021-01-22 14:51:05 +01:00 committed by GitHub
commit d39f6386ce
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GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 103 additions and 518 deletions
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95
core/io/resource.cpp
View File

@ -52,29 +52,29 @@ void Resource::set_path(const String &p_path, bool p_take_over) {
}
if (path_cache != "") {
ResourceCache::lock->write_lock();
ResourceCache::lock.write_lock();
ResourceCache::resources.erase(path_cache);
ResourceCache::lock->write_unlock();
ResourceCache::lock.write_unlock();
}
path_cache = "";
ResourceCache::lock->read_lock();
ResourceCache::lock.read_lock();
bool has_path = ResourceCache::resources.has(p_path);
ResourceCache::lock->read_unlock();
ResourceCache::lock.read_unlock();
if (has_path) {
if (p_take_over) {
ResourceCache::lock->write_lock();
ResourceCache::lock.write_lock();
Resource **res = ResourceCache::resources.getptr(p_path);
if (res) {
(*res)->set_name("");
}
ResourceCache::lock->write_unlock();
ResourceCache::lock.write_unlock();
} else {
ResourceCache::lock->read_lock();
ResourceCache::lock.read_lock();
bool exists = ResourceCache::resources.has(p_path);
ResourceCache::lock->read_unlock();
ResourceCache::lock.read_unlock();
ERR_FAIL_COND_MSG(exists, "Another resource is loaded from path '" + p_path + "' (possible cyclic resource inclusion).");
}
@ -82,9 +82,9 @@ void Resource::set_path(const String &p_path, bool p_take_over) {
path_cache = p_path;
if (path_cache != "") {
ResourceCache::lock->write_lock();
ResourceCache::lock.write_lock();
ResourceCache::resources[path_cache] = this;
ResourceCache::lock->write_unlock();
ResourceCache::lock.write_unlock();
}
_change_notify("resource_path");
@ -315,9 +315,7 @@ void Resource::set_as_translation_remapped(bool p_remapped) {
return;
}
if (ResourceCache::lock) {
ResourceCache::lock->write_lock();
}
ResourceCache::lock.write_lock();
if (p_remapped) {
ResourceLoader::remapped_list.add(&remapped_list);
@ -325,9 +323,7 @@ void Resource::set_as_translation_remapped(bool p_remapped) {
ResourceLoader::remapped_list.remove(&remapped_list);
}
if (ResourceCache::lock) {
ResourceCache::lock->write_unlock();
}
ResourceCache::lock.write_unlock();
}
bool Resource::is_translation_remapped() const {
@ -338,38 +334,24 @@ bool Resource::is_translation_remapped() const {
//helps keep IDs same number when loading/saving scenes. -1 clears ID and it Returns -1 when no id stored
void Resource::set_id_for_path(const String &p_path, int p_id) {
if (p_id == -1) {
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->write_lock();
}
ResourceCache::path_cache_lock.write_lock();
ResourceCache::resource_path_cache[p_path].erase(get_path());
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->write_unlock();
}
ResourceCache::path_cache_lock.write_unlock();
} else {
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->write_lock();
}
ResourceCache::path_cache_lock.write_lock();
ResourceCache::resource_path_cache[p_path][get_path()] = p_id;
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->write_unlock();
}
ResourceCache::path_cache_lock.write_unlock();
}
}
int Resource::get_id_for_path(const String &p_path) const {
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->read_lock();
}
ResourceCache::path_cache_lock.read_lock();
if (ResourceCache::resource_path_cache[p_path].has(get_path())) {
int result = ResourceCache::resource_path_cache[p_path][get_path()];
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->read_unlock();
}
ResourceCache::path_cache_lock.read_unlock();
return result;
} else {
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->read_unlock();
}
ResourceCache::path_cache_lock.read_unlock();
return -1;
}
}
@ -403,9 +385,9 @@ Resource::Resource() :
Resource::~Resource() {
if (path_cache != "") {
ResourceCache::lock->write_lock();
ResourceCache::lock.write_lock();
ResourceCache::resources.erase(path_cache);
ResourceCache::lock->write_unlock();
ResourceCache::lock.write_unlock();
}
if (owners.size()) {
WARN_PRINT("Resource is still owned.");
@ -417,18 +399,11 @@ HashMap<String, Resource *> ResourceCache::resources;
HashMap<String, HashMap<String, int>> ResourceCache::resource_path_cache;
#endif
RWLock *ResourceCache::lock = nullptr;
RWLock ResourceCache::lock;
#ifdef TOOLS_ENABLED
RWLock *ResourceCache::path_cache_lock = nullptr;
RWLock ResourceCache::path_cache_lock;
#endif
void ResourceCache::setup() {
lock = RWLock::create();
#ifdef TOOLS_ENABLED
path_cache_lock = RWLock::create();
#endif
}
void ResourceCache::clear() {
if (resources.size()) {
ERR_PRINT("Resources still in use at exit (run with --verbose for details).");
@ -442,29 +417,25 @@ void ResourceCache::clear() {
}
resources.clear();
memdelete(lock);
#ifdef TOOLS_ENABLED
memdelete(path_cache_lock);
#endif
}
void ResourceCache::reload_externals() {
}
bool ResourceCache::has(const String &p_path) {
lock->read_lock();
lock.read_lock();
bool b = resources.has(p_path);
lock->read_unlock();
lock.read_unlock();
return b;
}
Resource *ResourceCache::get(const String &p_path) {
lock->read_lock();
lock.read_lock();
Resource **res = resources.getptr(p_path);
lock->read_unlock();
lock.read_unlock();
if (!res) {
return nullptr;
@ -474,26 +445,26 @@ Resource *ResourceCache::get(const String &p_path) {
}
void ResourceCache::get_cached_resources(List<Ref<Resource>> *p_resources) {
lock->read_lock();
lock.read_lock();
const String *K = nullptr;
while ((K = resources.next(K))) {
Resource *r = resources[*K];
p_resources->push_back(Ref<Resource>(r));
}
lock->read_unlock();
lock.read_unlock();
}
int ResourceCache::get_cached_resource_count() {
lock->read_lock();
lock.read_lock();
int rc = resources.size();
lock->read_unlock();
lock.read_unlock();
return rc;
}
void ResourceCache::dump(const char *p_file, bool p_short) {
#ifdef DEBUG_ENABLED
lock->read_lock();
lock.read_lock();
Map<String, int> type_count;
@ -530,6 +501,6 @@ void ResourceCache::dump(const char *p_file, bool p_short) {
memdelete(f);
}
lock->read_unlock();
lock.read_unlock();
#endif
}

5
core/io/resource.h
View File

@ -149,16 +149,15 @@ typedef Ref<Resource> RES;
class ResourceCache {
friend class Resource;
friend class ResourceLoader; //need the lock
static RWLock *lock;
static RWLock lock;
static HashMap<String, Resource *> resources;
#ifdef TOOLS_ENABLED
static HashMap<String, HashMap<String, int>> resource_path_cache; // each tscn has a set of resource paths and IDs
static RWLock *path_cache_lock;
static RWLock path_cache_lock;
#endif // TOOLS_ENABLED
friend void unregister_core_types();
static void clear();
friend void register_core_types();
static void setup();
public:
static void reload_externals();

28
core/io/resource_loader.cpp
View File

@ -323,9 +323,7 @@ Error ResourceLoader::load_threaded_request(const String &p_path, const String &
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Attempted to load a resource already being loaded from this thread, cyclic reference?");
}
//lock first if possible
if (ResourceCache::lock) {
ResourceCache::lock->read_lock();
}
ResourceCache::lock.read_lock();
//get ptr
Resource **rptr = ResourceCache::resources.getptr(local_path);
@ -340,9 +338,7 @@ Error ResourceLoader::load_threaded_request(const String &p_path, const String &
load_task.progress = 1.0;
}
}
if (ResourceCache::lock) {
ResourceCache::lock->read_unlock();
}
ResourceCache::lock.read_unlock();
}
if (p_source_resource != String()) {
@ -535,9 +531,7 @@ RES ResourceLoader::load(const String &p_path, const String &p_type_hint, bool p
}
//Is it cached?
if (ResourceCache::lock) {
ResourceCache::lock->read_lock();
}
ResourceCache::lock.read_lock();
Resource **rptr = ResourceCache::resources.getptr(local_path);
@ -546,9 +540,7 @@ RES ResourceLoader::load(const String &p_path, const String &p_type_hint, bool p
//it is possible this resource was just freed in a thread. If so, this referencing will not work and resource is considered not cached
if (res.is_valid()) {
if (ResourceCache::lock) {
ResourceCache::lock->read_unlock();
}
ResourceCache::lock.read_unlock();
thread_load_mutex->unlock();
if (r_error) {
@ -559,9 +551,7 @@ RES ResourceLoader::load(const String &p_path, const String &p_type_hint, bool p
}
}
if (ResourceCache::lock) {
ResourceCache::lock->read_unlock();
}
ResourceCache::lock.read_unlock();
//load using task (but this thread)
ThreadLoadTask load_task;
@ -955,9 +945,7 @@ String ResourceLoader::path_remap(const String &p_path) {
}
void ResourceLoader::reload_translation_remaps() {
if (ResourceCache::lock) {
ResourceCache::lock->read_lock();
}
ResourceCache::lock.read_lock();
List<Resource *> to_reload;
SelfList<Resource> *E = remapped_list.first();
@ -967,9 +955,7 @@ void ResourceLoader::reload_translation_remaps() {
E = E->next();
}
if (ResourceCache::lock) {
ResourceCache::lock->read_unlock();
}
ResourceCache::lock.read_unlock();
//now just make sure to not delete any of these resources while changing locale..
while (to_reload.front()) {

12
core/object/class_db.cpp
View File

@ -983,9 +983,9 @@ void ClassDB::add_property_subgroup(StringName p_class, const String &p_name, co
// NOTE: For implementation simplicity reasons, this method doesn't allow setters to have optional arguments at the end.
void ClassDB::add_property(StringName p_class, const PropertyInfo &p_pinfo, const StringName &p_setter, const StringName &p_getter, int p_index) {
lock->read_lock();
lock.read_lock();
ClassInfo *type = classes.getptr(p_class);
lock->read_unlock();
lock.read_unlock();
ERR_FAIL_COND(!type);
@ -1541,11 +1541,7 @@ Variant ClassDB::class_get_default_property_value(const StringName &p_class, con
return var;
}
RWLock *ClassDB::lock = nullptr;
void ClassDB::init() {
lock = RWLock::create();
}
RWLock ClassDB::lock;
void ClassDB::cleanup_defaults() {
default_values.clear();
@ -1568,8 +1564,6 @@ void ClassDB::cleanup() {
classes.clear();
resource_base_extensions.clear();
compat_classes.clear();
memdelete(lock);
}
//

3
core/object/class_db.h
View File

@ -146,7 +146,7 @@ public:
return memnew(T);
}
static RWLock *lock;
static RWLock lock;
static HashMap<StringName, ClassInfo> classes;
static HashMap<StringName, StringName> resource_base_extensions;
static HashMap<StringName, StringName> compat_classes;
@ -387,7 +387,6 @@ public:
static void get_extensions_for_type(const StringName &p_class, List<String> *p_extensions);
static void add_compatibility_class(const StringName &p_class, const StringName &p_fallback);
static void init();
static void set_current_api(APIType p_api);
static APIType get_current_api();

43
core/os/rw_lock.cpp
View File

@ -1,43 +0,0 @@
/*************************************************************************/
/* rw_lock.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "rw_lock.h"
#include "core/error/error_macros.h"
#include <stddef.h>
RWLock *(*RWLock::create_func)() = nullptr;
RWLock *RWLock::create() {
ERR_FAIL_COND_V(!create_func, nullptr);
return create_func();
}

84
core/os/rw_lock.h
View File

@ -33,55 +33,83 @@
#include "core/error/error_list.h"
#if !defined(NO_THREADS)
#include <shared_mutex>
class RWLock {
protected:
static RWLock *(*create_func)();
mutable std::shared_timed_mutex mutex;
public:
virtual void read_lock() = 0; ///< Lock the rwlock, block if locked by someone else
virtual void read_unlock() = 0; ///< Unlock the rwlock, let other threads continue
virtual Error read_try_lock() = 0; ///< Attempt to lock the rwlock, OK on success, ERROR means it can't lock.
// Lock the rwlock, block if locked by someone else
void read_lock() const {
mutex.lock_shared();
}
virtual void write_lock() = 0; ///< Lock the rwlock, block if locked by someone else
virtual void write_unlock() = 0; ///< Unlock the rwlock, let other thwrites continue
virtual Error write_try_lock() = 0; ///< Attempt to lock the rwlock, OK on success, ERROR means it can't lock.
// Unlock the rwlock, let other threads continue
void read_unlock() const {
mutex.unlock_shared();
}
static RWLock *create(); ///< Create a rwlock
// Attempt to lock the rwlock, OK on success, ERR_BUSY means it can't lock.
Error read_try_lock() const {
return mutex.try_lock_shared() ? OK : ERR_BUSY;
}
virtual ~RWLock() {}
// Lock the rwlock, block if locked by someone else
void write_lock() {
mutex.lock();
}
// Unlock the rwlock, let other thwrites continue
void write_unlock() {
mutex.unlock();
}
// Attempt to lock the rwlock, OK on success, ERR_BUSY means it can't lock.
Error write_try_lock() {
return mutex.try_lock() ? OK : ERR_BUSY;
}
};
#else
class RWLock {
public:
void read_lock() const {}
void read_unlock() const {}
Error read_try_lock() const { return OK; }
void write_lock() {}
void write_unlock() {}
Error write_try_lock() { return OK; }
};
#endif
class RWLockRead {
RWLock *lock;
const RWLock &lock;
public:
RWLockRead(const RWLock *p_lock) {
lock = const_cast<RWLock *>(p_lock);
if (lock) {
lock->read_lock();
}
RWLockRead(const RWLock &p_lock) :
lock(p_lock) {
lock.read_lock();
}
~RWLockRead() {
if (lock) {
lock->read_unlock();
}
lock.read_unlock();
}
};
class RWLockWrite {
RWLock *lock;
RWLock &lock;
public:
RWLockWrite(RWLock *p_lock) {
lock = p_lock;
if (lock) {
lock->write_lock();
}
RWLockWrite(RWLock &p_lock) :
lock(p_lock) {
lock.write_lock();
}
~RWLockWrite() {
if (lock) {
lock->write_unlock();
}
lock.write_unlock();
}
};

8
core/os/thread_dummy.cpp
View File

@ -39,11 +39,3 @@ Thread *ThreadDummy::create(ThreadCreateCallback p_callback, void *p_user, const
void ThreadDummy::make_default() {
Thread::create_func = &ThreadDummy::create;
}
RWLock *RWLockDummy::create() {
return memnew(RWLockDummy);
}
void RWLockDummy::make_default() {
RWLock::create_func = &RWLockDummy::create;
}

15
core/os/thread_dummy.h
View File

@ -44,19 +44,4 @@ public:
static void make_default();
};
class RWLockDummy : public RWLock {
static RWLock *create();
public:
virtual void read_lock() {}
virtual void read_unlock() {}
virtual Error read_try_lock() { return OK; }
virtual void write_lock() {}
virtual void write_unlock() {}
virtual Error write_try_lock() { return OK; }
static void make_default();
};
#endif // THREAD_DUMMY_H

1
core/register_core_types.cpp
View File

@ -103,7 +103,6 @@ void register_core_types() {
static_assert(sizeof(Callable) <= 16);
ObjectDB::setup();
ResourceCache::setup();
StringName::setup();
ResourceLoader::initialize();

3
drivers/unix/os_unix.cpp
View File

@ -39,7 +39,6 @@
#include "drivers/unix/dir_access_unix.h"
#include "drivers/unix/file_access_unix.h"
#include "drivers/unix/net_socket_posix.h"
#include "drivers/unix/rw_lock_posix.h"
#include "drivers/unix/thread_posix.h"
#include "servers/rendering_server.h"
@ -119,10 +118,8 @@ int OS_Unix::unix_initialize_audio(int p_audio_driver) {
void OS_Unix::initialize_core() {
#ifdef NO_THREADS
ThreadDummy::make_default();
RWLockDummy::make_default();
#else
ThreadPosix::make_default();
RWLockPosix::make_default();
#endif
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_USERDATA);

93
drivers/unix/rw_lock_posix.cpp
View File

@ -1,93 +0,0 @@
/*************************************************************************/
/* rw_lock_posix.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#if defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)
#include "rw_lock_posix.h"
#include "core/error/error_macros.h"
#include "core/os/memory.h"
#include <stdio.h>
void RWLockPosix::read_lock() {
int err = pthread_rwlock_rdlock(&rwlock);
if (err != 0) {
perror("Acquiring lock failed");
}
ERR_FAIL_COND(err != 0);
}
void RWLockPosix::read_unlock() {
pthread_rwlock_unlock(&rwlock);
}
Error RWLockPosix::read_try_lock() {
if (pthread_rwlock_tryrdlock(&rwlock) != 0) {
return ERR_BUSY;
} else {
return OK;
}
}
void RWLockPosix::write_lock() {
int err = pthread_rwlock_wrlock(&rwlock);
ERR_FAIL_COND(err != 0);
}
void RWLockPosix::write_unlock() {
pthread_rwlock_unlock(&rwlock);
}
Error RWLockPosix::write_try_lock() {
if (pthread_rwlock_trywrlock(&rwlock) != 0) {
return ERR_BUSY;
} else {
return OK;
}
}
RWLock *RWLockPosix::create_func_posix() {
return memnew(RWLockPosix);
}
void RWLockPosix::make_default() {
create_func = create_func_posix;
}
RWLockPosix::RWLockPosix() {
//rwlock=PTHREAD_RWLOCK_INITIALIZER; fails on OSX
pthread_rwlock_init(&rwlock, nullptr);
}
RWLockPosix::~RWLockPosix() {
pthread_rwlock_destroy(&rwlock);
}
#endif

62
drivers/unix/rw_lock_posix.h
View File

@ -1,62 +0,0 @@
/*************************************************************************/
/* rw_lock_posix.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef RWLOCKPOSIX_H
#define RWLOCKPOSIX_H
#if defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)
#include "core/os/rw_lock.h"
#include <pthread.h>
class RWLockPosix : public RWLock {
pthread_rwlock_t rwlock;
static RWLock *create_func_posix();
public:
virtual void read_lock();
virtual void read_unlock();
virtual Error read_try_lock();
virtual void write_lock();
virtual void write_unlock();
virtual Error write_try_lock();
static void make_default();
RWLockPosix();
~RWLockPosix();
};
#endif
#endif // RWLOCKPOSIX_H

87
drivers/windows/rw_lock_windows.cpp
View File

@ -1,87 +0,0 @@
/*************************************************************************/
/* rw_lock_windows.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#if defined(WINDOWS_ENABLED)
#include "rw_lock_windows.h"
#include "core/error/error_macros.h"
#include "core/os/memory.h"
#include <stdio.h>
void RWLockWindows::read_lock() {
AcquireSRWLockShared(&lock);
}
void RWLockWindows::read_unlock() {
ReleaseSRWLockShared(&lock);
}
Error RWLockWindows::read_try_lock() {
if (TryAcquireSRWLockShared(&lock) == 0) {
return ERR_BUSY;
} else {
return OK;
}
}
void RWLockWindows::write_lock() {
AcquireSRWLockExclusive(&lock);
}
void RWLockWindows::write_unlock() {
ReleaseSRWLockExclusive(&lock);
}
Error RWLockWindows::write_try_lock() {
if (TryAcquireSRWLockExclusive(&lock) == 0) {
return ERR_BUSY;
} else {
return OK;
}
}
RWLock *RWLockWindows::create_func_windows() {
return memnew(RWLockWindows);
}
void RWLockWindows::make_default() {
create_func = create_func_windows;
}
RWLockWindows::RWLockWindows() {
InitializeSRWLock(&lock);
}
RWLockWindows::~RWLockWindows() {
}
#endif

63
drivers/windows/rw_lock_windows.h
View File

@ -1,63 +0,0 @@
/*************************************************************************/
/* rw_lock_windows.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef RWLOCKWINDOWS_H
#define RWLOCKWINDOWS_H
#if defined(WINDOWS_ENABLED)
#include "core/os/rw_lock.h"
#include <windows.h>
class RWLockWindows : public RWLock {
SRWLOCK lock;
static RWLock *create_func_windows();
public:
virtual void read_lock();
virtual void read_unlock();
virtual Error read_try_lock();
virtual void write_lock();
virtual void write_unlock();
virtual Error write_try_lock();
static void make_default();
RWLockWindows();
~RWLockWindows();
};
#endif
#endif // RWLOCKWINDOWS_H

4
main/main.cpp
View File

@ -388,8 +388,6 @@ Error Main::test_setup() {
engine = memnew(Engine);
ClassDB::init();
register_core_types();
register_core_driver_types();
@ -507,8 +505,6 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
engine = memnew(Engine);
ClassDB::init();
MAIN_PRINT("Main: Initialize CORE");
register_core_types();

2
platform/uwp/os_uwp.cpp
View File

@ -39,7 +39,6 @@
#include "drivers/windows/dir_access_windows.h"
#include "drivers/windows/file_access_windows.h"
#include "drivers/windows/mutex_windows.h"
#include "drivers/windows/rw_lock_windows.h"
#include "drivers/windows/semaphore_windows.h"
#include "main/main.h"
#include "platform/windows/windows_terminal_logger.h"
@ -132,7 +131,6 @@ void OS_UWP::initialize_core() {
//RedirectIOToConsole();
ThreadUWP::make_default();
RWLockWindows::make_default();
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);

2
platform/windows/os_windows.cpp
View File

@ -39,7 +39,6 @@
#include "core/version_generated.gen.h"
#include "drivers/windows/dir_access_windows.h"
#include "drivers/windows/file_access_windows.h"
#include "drivers/windows/rw_lock_windows.h"
#include "drivers/windows/thread_windows.h"
#include "joypad_windows.h"
#include "lang_table.h"
@ -178,7 +177,6 @@ void OS_Windows::initialize() {
//RedirectIOToConsole();
ThreadWindows::make_default();
RWLockWindows::make_default();
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);

9
scene/resources/texture.cpp
View File

@ -2136,20 +2136,11 @@ AnimatedTexture::AnimatedTexture() {
pause = false;
oneshot = false;
RenderingServer::get_singleton()->connect("frame_pre_draw", callable_mp(this, &AnimatedTexture::_update_proxy));
#ifndef NO_THREADS
rw_lock = RWLock::create();
#else
rw_lock = nullptr;
#endif
}
AnimatedTexture::~AnimatedTexture() {
RS::get_singleton()->free(proxy);
RS::get_singleton()->free(proxy_ph);
if (rw_lock) {
memdelete(rw_lock);
}
}
///////////////////////////////

2
scene/resources/texture.h
View File

@ -745,7 +745,7 @@ class AnimatedTexture : public Texture2D {
GDCLASS(AnimatedTexture, Texture2D);
//use readers writers lock for this, since its far more times read than written to
RWLock *rw_lock;
RWLock rw_lock;
public:
enum {