diff options
Diffstat (limited to 'core/os')
| -rw-r--r-- | core/os/memory.cpp | 40 | ||||
| -rw-r--r-- | core/os/memory.h | 12 |
2 files changed, 27 insertions, 25 deletions
diff --git a/core/os/memory.cpp b/core/os/memory.cpp index 069ee48fae..acc960acd9 100644 --- a/core/os/memory.cpp +++ b/core/os/memory.cpp @@ -29,6 +29,7 @@ /*************************************************************************/ #include "memory.h" #include "copymem.h" +#include "core/safe_refcount.h" #include "error_macros.h" #include <stdio.h> #include <stdlib.h> @@ -43,14 +44,12 @@ void *operator new(size_t p_size, void *(*p_allocfunc)(size_t p_size)) { return p_allocfunc(p_size); } -#include <stdio.h> - #ifdef DEBUG_ENABLED -size_t Memory::mem_usage = 0; -size_t Memory::max_usage = 0; +uint64_t Memory::mem_usage = 0; +uint64_t Memory::max_usage = 0; #endif -size_t Memory::alloc_count = 0; +uint64_t Memory::alloc_count = 0; void *Memory::alloc_static(size_t p_bytes, bool p_pad_align) { @@ -62,10 +61,10 @@ void *Memory::alloc_static(size_t p_bytes, bool p_pad_align) { void *mem = malloc(p_bytes + (prepad ? PAD_ALIGN : 0)); - alloc_count++; - ERR_FAIL_COND_V(!mem, NULL); + atomic_increment(&alloc_count); + if (prepad) { uint64_t *s = (uint64_t *)mem; *s = p_bytes; @@ -73,10 +72,8 @@ void *Memory::alloc_static(size_t p_bytes, bool p_pad_align) { uint8_t *s8 = (uint8_t *)mem; #ifdef DEBUG_ENABLED - mem_usage += p_bytes; - if (mem_usage > max_usage) { - max_usage = mem_usage; - } + atomic_add(&mem_usage, p_bytes); + atomic_exchange_if_greater(&max_usage, mem_usage); #endif return s8 + PAD_ALIGN; } else { @@ -103,8 +100,12 @@ void *Memory::realloc_static(void *p_memory, size_t p_bytes, bool p_pad_align) { uint64_t *s = (uint64_t *)mem; #ifdef DEBUG_ENABLED - mem_usage -= *s; - mem_usage += p_bytes; + if (p_bytes > *s) { + atomic_add(&mem_usage, p_bytes - *s); + atomic_exchange_if_greater(&max_usage, mem_usage); + } else { + atomic_sub(&mem_usage, *s - p_bytes); + } #endif if (p_bytes == 0) { @@ -144,14 +145,14 @@ void Memory::free_static(void *p_ptr, bool p_pad_align) { bool prepad = p_pad_align; #endif - alloc_count--; + atomic_decrement(&alloc_count); if (prepad) { mem -= PAD_ALIGN; uint64_t *s = (uint64_t *)mem; #ifdef DEBUG_ENABLED - mem_usage -= *s; + atomic_sub(&mem_usage, *s); #endif free(mem); @@ -161,19 +162,20 @@ void Memory::free_static(void *p_ptr, bool p_pad_align) { } } -size_t Memory::get_mem_available() { +uint64_t Memory::get_mem_available() { - return 0xFFFFFFFFFFFFF; + return -1; // 0xFFFF... } -size_t Memory::get_mem_usage() { +uint64_t Memory::get_mem_usage() { #ifdef DEBUG_ENABLED return mem_usage; #else return 0; #endif } -size_t Memory::get_mem_max_usage() { + +uint64_t Memory::get_mem_max_usage() { #ifdef DEBUG_ENABLED return max_usage; #else diff --git a/core/os/memory.h b/core/os/memory.h index b3eb599955..e1d7138ad5 100644 --- a/core/os/memory.h +++ b/core/os/memory.h @@ -45,20 +45,20 @@ class Memory { Memory(); #ifdef DEBUG_ENABLED - static size_t mem_usage; - static size_t max_usage; + static uint64_t mem_usage; + static uint64_t max_usage; #endif - static size_t alloc_count; + static uint64_t alloc_count; public: static void *alloc_static(size_t p_bytes, bool p_pad_align = false); static void *realloc_static(void *p_memory, size_t p_bytes, bool p_pad_align = false); static void free_static(void *p_ptr, bool p_pad_align = false); - static size_t get_mem_available(); - static size_t get_mem_usage(); - static size_t get_mem_max_usage(); + static uint64_t get_mem_available(); + static uint64_t get_mem_usage(); + static uint64_t get_mem_max_usage(); }; class DefaultAllocator { |