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authorJuan Linietsky <reduzio@gmail.com>2017-01-06 10:15:44 -0300
committerJuan Linietsky <reduzio@gmail.com>2017-01-06 10:15:44 -0300
commit53ce643e520de193c085c0c23046dcbd2e5308a5 (patch)
treed8336629c4ce789eb441fc3bd428e317d8ad8e9c /drivers/unix
parent99ceddd11ef652a3b8e6bf5d09dcc519d957ce14 (diff)
-Changed memory functions, Memory::alloc_static*, simplified them, made them aligned to 16
-Changed Vector<> template to fit this.
Diffstat (limited to 'drivers/unix')
-rw-r--r--drivers/unix/memory_pool_static_malloc.cpp432
-rw-r--r--drivers/unix/memory_pool_static_malloc.h82
-rw-r--r--drivers/unix/os_unix.cpp5
3 files changed, 1 insertions, 518 deletions
diff --git a/drivers/unix/memory_pool_static_malloc.cpp b/drivers/unix/memory_pool_static_malloc.cpp
index a7720cd44a..139597f9cb 100644
--- a/drivers/unix/memory_pool_static_malloc.cpp
+++ b/drivers/unix/memory_pool_static_malloc.cpp
@@ -1,434 +1,2 @@
-/*************************************************************************/
-/* memory_pool_static_malloc.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* http://www.godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
-/* */
-/* 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 "memory_pool_static_malloc.h"
-#include "error_macros.h"
-#include "os/memory.h"
-#include <stdlib.h>
-#include <stdio.h>
-#include "os/copymem.h"
-#include "os/os.h"
-
-/**
- * NOTE NOTE NOTE NOTE
- * in debug mode, this prepends the memory size to the allocated block
- * so BE CAREFUL!
- */
-
-void* MemoryPoolStaticMalloc::alloc(size_t p_bytes,const char *p_description) {
-
- #if DEFAULT_ALIGNMENT == 1
-
- return _alloc(p_bytes, p_description);
-
- #else
-
- size_t total;
- #if defined(_add_overflow)
- if (_add_overflow(p_bytes, DEFAULT_ALIGNMENT, &total)) return NULL;
- #else
- total = p_bytes + DEFAULT_ALIGNMENT;
- #endif
- uint8_t* ptr = (uint8_t*)_alloc(total, p_description);
- ERR_FAIL_COND_V( !ptr, ptr );
- int ofs = (DEFAULT_ALIGNMENT - ((uintptr_t)ptr & (DEFAULT_ALIGNMENT - 1)));
- ptr[ofs-1] = ofs;
- return (void*)(ptr + ofs);
- #endif
-};
-
-void* MemoryPoolStaticMalloc::_alloc(size_t p_bytes,const char *p_description) {
-
- ERR_FAIL_COND_V(p_bytes==0,0);
-
- MutexLock lock(mutex);
-
-#ifdef DEBUG_MEMORY_ENABLED
-
- size_t total;
- #if defined(_add_overflow)
- if (_add_overflow(p_bytes, sizeof(RingPtr), &total)) return NULL;
- #else
- total = p_bytes + sizeof(RingPtr);
- #endif
- void *mem=malloc(total); /// add for size and ringlist
-
- if (!mem) {
- printf("**ERROR: out of memory while allocating %lu bytes by %s?\n", (unsigned long) p_bytes, p_description);
- printf("**ERROR: memory usage is %lu\n", (unsigned long) get_total_usage());
- };
-
- ERR_FAIL_COND_V(!mem,0); //out of memory, or unreasonable request
-
- /* setup the ringlist element */
-
- RingPtr *ringptr = (RingPtr*)mem;
-
- /* setup the ringlist element data (description and size ) */
-
- ringptr->size = p_bytes;
- ringptr->descr=p_description;
-
- if (ringlist) { /* existing ringlist */
-
- /* assign next */
- ringptr->next = ringlist->next;
- ringlist->next = ringptr;
- /* assign prev */
- ringptr->prev = ringlist;
- ringptr->next->prev = ringptr;
- } else { /* non existing ringlist */
-
- ringptr->next=ringptr;
- ringptr->prev=ringptr;
- ringlist=ringptr;
-
- }
-
- total_mem+=p_bytes;
-
- /* update statistics */
- if (total_mem > max_mem )
- max_mem = total_mem;
-
- total_pointers++;
-
- if (total_pointers > max_pointers)
- max_pointers=total_pointers;
-
- return ringptr + 1; /* return memory after ringptr */
-
-#else
- void *mem=malloc(p_bytes);
-
- ERR_FAIL_COND_V(!mem,0); //out of memory, or unreasonable request
- return mem;
-#endif
-}
-
-
-void* MemoryPoolStaticMalloc::realloc(void *p_memory,size_t p_bytes) {
-
- #if DEFAULT_ALIGNMENT == 1
-
- return _realloc(p_memory,p_bytes);
- #else
- if (!p_memory)
- return alloc(p_bytes);
-
- size_t total;
- #if defined(_add_overflow)
- if (_add_overflow(p_bytes, DEFAULT_ALIGNMENT, &total)) return NULL;
- #else
- total = p_bytes + DEFAULT_ALIGNMENT;
- #endif
- uint8_t* mem = (uint8_t*)p_memory;
- int ofs = *(mem-1);
- mem = mem - ofs;
- uint8_t* ptr = (uint8_t*)_realloc(mem, total);
- ERR_FAIL_COND_V(ptr == NULL, NULL);
- int new_ofs = (DEFAULT_ALIGNMENT - ((uintptr_t)ptr & (DEFAULT_ALIGNMENT - 1)));
- if (new_ofs != ofs) {
-
- //printf("realloc moving %i bytes\n", p_bytes);
- movemem((ptr + new_ofs), (ptr + ofs), p_bytes);
- ptr[new_ofs-1] = new_ofs;
- };
- return ptr + new_ofs;
- #endif
-};
-
-void* MemoryPoolStaticMalloc::_realloc(void *p_memory,size_t p_bytes) {
-
- if (p_memory==NULL) {
-
- return alloc( p_bytes );
- }
-
- if (p_bytes==0) {
-
- this->free(p_memory);
- ERR_FAIL_COND_V( p_bytes < 0 , NULL );
- return NULL;
- }
-
- MutexLock lock(mutex);
-
-#ifdef DEBUG_MEMORY_ENABLED
-
-
- RingPtr *ringptr = (RingPtr*)p_memory;
- ringptr--; /* go back an element to find the tingptr */
-
- bool single_element = (ringptr->next == ringptr) && (ringptr->prev == ringptr);
- bool is_list = ( ringlist == ringptr );
-
- RingPtr *new_ringptr=(RingPtr*)::realloc(ringptr, p_bytes+sizeof(RingPtr));
-
- ERR_FAIL_COND_V( new_ringptr == 0, NULL ); /// reallocation failed
-
- /* actualize mem used */
- total_mem -= new_ringptr->size;
- new_ringptr->size = p_bytes;
- total_mem += new_ringptr->size;
-
- if (total_mem > max_mem ) //update statistics
- max_mem = total_mem;
-
- if (new_ringptr == ringptr )
- return ringptr + 1; // block didn't move, don't do anything
-
- if (single_element) {
-
- new_ringptr->next=new_ringptr;
- new_ringptr->prev=new_ringptr;
- } else {
-
- new_ringptr->next->prev=new_ringptr;
- new_ringptr->prev->next=new_ringptr;
- }
-
- if (is_list)
- ringlist=new_ringptr;
-
-
- return new_ringptr + 1;
-
-#else
- return ::realloc( p_memory, p_bytes );
-#endif
-}
-
-void MemoryPoolStaticMalloc::free(void *p_ptr) {
-
- ERR_FAIL_COND( !MemoryPoolStatic::get_singleton());
-
- #if DEFAULT_ALIGNMENT == 1
-
- _free(p_ptr);
- #else
-
- uint8_t* mem = (uint8_t*)p_ptr;
- int ofs = *(mem-1);
- mem = mem - ofs;
-
- _free(mem);
- #endif
-};
-
-
-void MemoryPoolStaticMalloc::_free(void *p_ptr) {
-
- MutexLock lock(mutex);
-
-#ifdef DEBUG_MEMORY_ENABLED
-
- if (p_ptr==0) {
- printf("**ERROR: STATIC ALLOC: Attempted free of NULL pointer.\n");
- return;
- };
-
- RingPtr *ringptr = (RingPtr*)p_ptr;
-
- ringptr--; /* go back an element to find the ringptr */
-
-
-#if 0
- { // check for existing memory on free.
- RingPtr *p = ringlist;
-
- bool found=false;
-
- if (ringlist) {
- do {
- if (p==ringptr) {
- found=true;
- break;
- }
-
- p=p->next;
- } while (p!=ringlist);
- }
-
- if (!found) {
- printf("**ERROR: STATIC ALLOC: Attempted free of unknown pointer at %p\n",(ringptr+1));
- return;
- }
-
- }
-#endif
- /* proceed to erase */
-
- bool single_element = (ringptr->next == ringptr) && (ringptr->prev == ringptr);
- bool is_list = ( ringlist == ringptr );
-
- if (single_element) {
- /* just get rid of it */
- ringlist=0;
-
- } else {
- /* auto-remove from ringlist */
- if (is_list)
- ringlist=ringptr->next;
-
- ringptr->prev->next = ringptr->next;
- ringptr->next->prev = ringptr->prev;
- }
-
- total_mem -= ringptr->size;
- total_pointers--;
- // catch more errors
- zeromem(ringptr,sizeof(RingPtr)+ringptr->size);
- ::free(ringptr); //just free that pointer
-
-#else
- ERR_FAIL_COND(p_ptr==0);
-
- ::free(p_ptr);
-#endif
-}
-
-
-size_t MemoryPoolStaticMalloc::get_available_mem() const {
-
- return 0xffffffff;
-}
-
-size_t MemoryPoolStaticMalloc::get_total_usage() {
-
-#ifdef DEBUG_MEMORY_ENABLED
-
- return total_mem;
-#else
- return 0;
-#endif
-
-}
-
-size_t MemoryPoolStaticMalloc::get_max_usage() {
-
- return max_mem;
-}
-
-/* Most likely available only if memory debugger was compiled in */
-int MemoryPoolStaticMalloc::get_alloc_count() {
-
- return total_pointers;
-}
-void * MemoryPoolStaticMalloc::get_alloc_ptr(int p_alloc_idx) {
-
- return 0;
-}
-const char* MemoryPoolStaticMalloc::get_alloc_description(int p_alloc_idx) {
-
-
- return "";
-}
-size_t MemoryPoolStaticMalloc::get_alloc_size(int p_alloc_idx) {
-
- return 0;
-}
-
-void MemoryPoolStaticMalloc::dump_mem_to_file(const char* p_file) {
-
-#ifdef DEBUG_MEMORY_ENABLED
-
- ERR_FAIL_COND( !ringlist ); /** WTF BUG !? */
- RingPtr *p = ringlist;
- FILE *f = fopen(p_file,"wb");
-
- do {
- fprintf(f,"%p-%i-%s\n", p+1, (int)p->size, (p->descr?p->descr:"") );
- p=p->next;
- } while (p!=ringlist);
-
- fclose(f);
-#endif
-
-}
-
-MemoryPoolStaticMalloc::MemoryPoolStaticMalloc() {
-
-#ifdef DEBUG_MEMORY_ENABLED
- total_mem=0;
- total_pointers=0;
- ringlist=0;
- max_mem=0;
- max_pointers=0;
-
-
-#endif
-
- mutex=NULL;
-#ifndef NO_THREADS
-
- mutex=Mutex::create(); // at this point, this should work
-#endif
-
-}
-
-
-MemoryPoolStaticMalloc::~MemoryPoolStaticMalloc() {
-
- Mutex *old_mutex=mutex;
- mutex=NULL;
- if (old_mutex)
- memdelete(old_mutex);
-
-#ifdef DEBUG_MEMORY_ENABLED
-
- if (OS::get_singleton()->is_stdout_verbose()) {
- if (total_mem > 0 ) {
- printf("**ERROR: STATIC ALLOC: ** MEMORY LEAKS DETECTED **\n");
- printf("**ERROR: STATIC ALLOC: %i bytes of memory in use at exit.\n",(int)total_mem);
-
- if (1){
- printf("**ERROR: STATIC ALLOC: Following is the list of leaked allocations: \n");
-
- ERR_FAIL_COND( !ringlist ); /** WTF BUG !? */
- RingPtr *p = ringlist;
-
- do {
- printf("\t%p - %i bytes - %s\n", (RingPtr*)(p+1), (int)p->size, (p->descr?p->descr:"") );
- p=p->next;
- } while (p!=ringlist);
-
- printf("**ERROR: STATIC ALLOC: End of Report.\n");
- };
-
- printf("mem - max %i, pointers %i, leaks %i.\n",(int)max_mem,max_pointers,(int)total_mem);
- } else {
-
- printf("INFO: mem - max %i, pointers %i, no leaks.\n",(int)max_mem,max_pointers);
- }
- }
-
-#endif
-}
diff --git a/drivers/unix/memory_pool_static_malloc.h b/drivers/unix/memory_pool_static_malloc.h
index 0d34bac78b..e69de29bb2 100644
--- a/drivers/unix/memory_pool_static_malloc.h
+++ b/drivers/unix/memory_pool_static_malloc.h
@@ -1,82 +0,0 @@
-/*************************************************************************/
-/* memory_pool_static_malloc.h */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* http://www.godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
-/* */
-/* 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 MEMORY_POOL_STATIC_MALLOC_H
-#define MEMORY_POOL_STATIC_MALLOC_H
-
-#include "os/memory_pool_static.h"
-#include "os/mutex.h"
-/**
- @author Juan Linietsky <red@lunatea>
-*/
-class MemoryPoolStaticMalloc : public MemoryPoolStatic {
-
- struct RingPtr {
-
- size_t size;
- const char *descr; /* description of memory */
- RingPtr *next;
- RingPtr *prev;
- };
-
- RingPtr *ringlist;
- size_t total_mem;
- int total_pointers;
-
- size_t max_mem;
- int max_pointers;
-
- Mutex *mutex;
-
- void* _alloc(size_t p_bytes,const char *p_description=""); ///< Pointer in p_description shold be to a const char const like "hello"
- void* _realloc(void *p_memory,size_t p_bytes); ///< Pointer in
- void _free(void *p_ptr); ///< Pointer in p_description shold be to a const char const
-
-public:
-
- virtual void* alloc(size_t p_bytes,const char *p_description=""); ///< Pointer in p_description shold be to a const char const like "hello"
- virtual void free(void *p_ptr); ///< Pointer in p_description shold be to a const char const
- virtual void* realloc(void *p_memory,size_t p_bytes); ///< Pointer in
- virtual size_t get_available_mem() const;
- virtual size_t get_total_usage();
- virtual size_t get_max_usage();
-
- /* Most likely available only if memory debugger was compiled in */
- virtual int get_alloc_count();
- virtual void * get_alloc_ptr(int p_alloc_idx);
- virtual const char* get_alloc_description(int p_alloc_idx);
- virtual size_t get_alloc_size(int p_alloc_idx);
-
- void dump_mem_to_file(const char* p_file);
-
- MemoryPoolStaticMalloc();
- ~MemoryPoolStaticMalloc();
-
-};
-
-#endif
diff --git a/drivers/unix/os_unix.cpp b/drivers/unix/os_unix.cpp
index f6266c8fc5..1e8b76f505 100644
--- a/drivers/unix/os_unix.cpp
+++ b/drivers/unix/os_unix.cpp
@@ -30,7 +30,7 @@
#ifdef UNIX_ENABLED
-#include "memory_pool_static_malloc.h"
+
#include "os/memory_pool_dynamic_static.h"
#include "thread_posix.h"
#include "semaphore_posix.h"
@@ -116,7 +116,6 @@ int OS_Unix::unix_initialize_audio(int p_audio_driver) {
return 0;
}
-static MemoryPoolStaticMalloc *mempool_static=NULL;
static MemoryPoolDynamicStatic *mempool_dynamic=NULL;
@@ -145,7 +144,6 @@ void OS_Unix::initialize_core() {
PacketPeerUDPPosix::make_default();
IP_Unix::make_default();
#endif
- mempool_static = new MemoryPoolStaticMalloc;
mempool_dynamic = memnew( MemoryPoolDynamicStatic );
ticks_start=0;
@@ -157,7 +155,6 @@ void OS_Unix::finalize_core() {
if (mempool_dynamic)
memdelete( mempool_dynamic );
- delete mempool_static;
}