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-rw-r--r--drivers/unix/os_unix.cpp2
-rw-r--r--drivers/unix/shared_mem_access_posix.cpp184
-rw-r--r--drivers/unix/shared_mem_access_posix.h68
3 files changed, 0 insertions, 254 deletions
diff --git a/drivers/unix/os_unix.cpp b/drivers/unix/os_unix.cpp
index 292e2d2219..e7550903a8 100644
--- a/drivers/unix/os_unix.cpp
+++ b/drivers/unix/os_unix.cpp
@@ -40,7 +40,6 @@
#include "drivers/unix/net_socket_posix.h"
#include "drivers/unix/rw_lock_posix.h"
#include "drivers/unix/semaphore_posix.h"
-#include "drivers/unix/shared_mem_access_posix.h"
#include "drivers/unix/thread_posix.h"
#include "servers/visual_server.h"
@@ -141,7 +140,6 @@ void OS_Unix::initialize_core() {
MutexPosix::make_default();
RWLockPosix::make_default();
#endif
- SharedMemAccessPosix::make_default();
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_USERDATA);
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_FILESYSTEM);
diff --git a/drivers/unix/shared_mem_access_posix.cpp b/drivers/unix/shared_mem_access_posix.cpp
deleted file mode 100644
index f50e177a8b..0000000000
--- a/drivers/unix/shared_mem_access_posix.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*************************************************************************/
-/* shared_mem_access_posix.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2019 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 "shared_mem_access_posix.h"
-
-#if defined(UNIX_ENABLED)
-
-//#include "core/os/memory.h"
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <unistd.h>
-//#include <stdio.h>
-#include <fcntl.h>
-//#include <sys/mman.h>
-//#include <sys/stat.h>
-
-SharedMemAccess *SharedMemAccessPosix::create_func_posix(const String &p_name) {
-
- return memnew(SharedMemAccessPosix(p_name));
-}
-
-void SharedMemAccessPosix::make_default() {
-
- create_func = create_func_posix;
-}
-
-Error SharedMemAccessPosix::open() {
-
- ERR_EXPLAIN("Already open.");
- ERR_FAIL_COND_V(fd != -1, ERR_ALREADY_IN_USE);
-
- fd = shm_open(("/" + name).utf8().get_data(), O_CREAT | O_RDWR, 0600);
- if (fd == -1) {
- ERR_EXPLAIN("Cannot create/open.");
- ERR_FAIL_V(ERR_CANT_OPEN);
- }
-
- return OK;
-}
-
-Error SharedMemAccessPosix::close() {
-
- ERR_EXPLAIN("Not open.");
- ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
-
- if (!lock()) {
- ERR_EXPLAIN("Cannot lock.");
- ERR_FAIL_V(ERR_BUSY);
- }
-
- if (is_allocator) {
- shm_unlink(("/" + name).utf8().get_data());
- is_allocator = false;
- }
-
- ::close(fd);
- fd = -1;
-
- unlock();
-
- return OK;
-}
-
-_FORCE_INLINE_ bool SharedMemAccessPosix::is_open() {
-
- return fd != -1;
-}
-
-void *SharedMemAccessPosix::lock() {
-
- ERR_EXPLAIN("Not open.");
- ERR_FAIL_COND_V(!is_open(), NULL);
-
- ERR_EXPLAIN("Lock already held.");
- ERR_FAIL_COND_V(is_locking(), NULL);
-
- size = lseek(fd, 0, SEEK_END);
-
- lock_addr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- if (lock_addr == MAP_FAILED) {
- ERR_EXPLAIN("Cannot map memory.");
- ERR_FAIL_V(NULL);
- }
-
- return lock_addr;
-}
-
-void SharedMemAccessPosix::unlock() {
-
- ERR_EXPLAIN("Lock not held.");
- ERR_FAIL_COND(!is_locking());
-
- munmap(lock_addr, size);
- lock_addr = NULL;
- size = 0;
-}
-
-_FORCE_INLINE_ bool SharedMemAccessPosix::is_locking() {
-
- return lock_addr;
-}
-
-void *SharedMemAccessPosix::set_size(uint64_t p_size) {
-
- ERR_EXPLAIN("Lock must be held to set the size.");
- ERR_FAIL_COND_V(!is_locking(), NULL);
-
- if (ftruncate(fd, p_size) == -1) {
- ERR_EXPLAIN("Cannot set new size. (Out of memory?)");
- ERR_FAIL_V(NULL);
- }
-
- munmap(lock_addr, size);
-
- // Try to remap at former address
- lock_addr = mmap(lock_addr, p_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- if (lock_addr == MAP_FAILED) {
- unlock();
-
- ERR_EXPLAIN("Cannot remap memory. Lock released.");
- ERR_FAIL_V(NULL);
- }
-
- return lock_addr;
-}
-
-uint64_t SharedMemAccessPosix::get_size() {
-
- ERR_EXPLAIN("Lock must be held to get the size.");
- ERR_FAIL_COND_V(!is_locking(), 0);
-
- return size;
-}
-
-SharedMemAccessPosix::SharedMemAccessPosix(const String &p_name) :
- name(p_name),
- is_allocator(false),
- size(0),
- fd(-1),
- lock_addr(NULL) {
-}
-
-SharedMemAccessPosix::~SharedMemAccessPosix() {
-
- if (is_open()) {
-
- if (is_locking()) {
- unlock();
- }
-
- if (close() != OK && is_allocator) {
- ERR_PRINTS("Leaking shared memory '" + name + "'.");
- }
- }
-}
-
-#endif
diff --git a/drivers/unix/shared_mem_access_posix.h b/drivers/unix/shared_mem_access_posix.h
deleted file mode 100644
index df955e1add..0000000000
--- a/drivers/unix/shared_mem_access_posix.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*************************************************************************/
-/* shared_mem_access_posix.h */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2019 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 SHARED_MEM_ACCESS_POSIX_H
-#define SHARED_MEM_ACCESS_POSIX_H
-
-#include "core/os/shared_mem_access.h"
-#include "core/ustring.h"
-
-#if defined(UNIX_ENABLED)
-
-class SharedMemAccessPosix : public SharedMemAccess {
-
- String name;
- bool is_allocator;
- uint64_t size;
- int fd;
- void *lock_addr;
-
- static SharedMemAccess *create_func_posix(const String &p_name);
-
-public:
- static void make_default();
-
- virtual Error open();
- virtual Error close();
- virtual bool is_open();
-
- virtual void *lock();
- virtual void unlock();
- virtual bool is_locking();
-
- virtual void *set_size(uint64_t p_size);
- virtual uint64_t get_size();
-
- SharedMemAccessPosix(const String &p_name);
- virtual ~SharedMemAccessPosix();
-};
-
-#endif
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 03:21:06 +0000