nlib
|
File that defines functions including nmalloc
and nfree
.
More...
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <new>
#include "nn/nlib/Config.h"
Go to the source code of this file.
Classes | |
struct | HeapHash |
Structure that contains a summary of the memory usage status of the heap used by the user application. More... | |
struct | NMallocSettings |
Declares parameters that are initialized by nmalloc . Set by defining nmalloc_get_settings . More... | |
Namespaces | |
nn::nlib | |
Implements stream-related classes usually commonly used, various containers, and other gadget classes. nlib_ns is an alias. | |
nn::nlib::heap | |
Namespace for the heap library. Functions such as nmalloc and nfree are defined in the global namespace. | |
Macros | |
#define | NMALLOC_HEAPOPTION_ENABLE_ENV (0x00000001) |
Enables the setting to be overwritten through the environment variable. | |
#define | NMALLOC_HEAPOPTION_CACHE_DISABLE (0x00000004) |
Disables caching with CachedHeap . More... | |
#define | NLIB_REPLACE_MALLOC |
A macro that defines functions like nlib_malloc to use nmalloc . | |
#define | NLIB_REPLACE_MALLOC_NEW |
A macro that defines functions like nlib_malloc to use nmalloc , and also defines new and delete that way. | |
Typedefs | |
typedef int(* | nmalloc_heapwalk_callback) (void *allocated_ptr, size_t size, void *user_ptr) |
User-defined callback function that is called from nmalloc_walk_allocated_ptrs . More... | |
Errors | |
Utilities related to error values. | |
typedef int | errno_t |
Indicates with an int -type typedef that a POSIX error value is returned as the return value. | |
Enumerations | |
enum | NMallocDumpMode { NMALLOC_DUMP_BASIC = 0, NMALLOC_DUMP_SPANS = 1, NMALLOC_DUMP_POINTERS = 2, NMALLOC_DUMP_PAGESUMMARY = 4, NMALLOC_DUMP_ALL = NMALLOC_DUMP_SPANS | NMALLOC_DUMP_POINTERS | NMALLOC_DUMP_PAGESUMMARY } |
The type of the value that you specify for the second argument when specifying NMALLOC_QUERY_DUMP in the nmalloc_query() function. More... | |
Functions | |
NLIB_CHECK_RESULT void * | nrealloc (void *ptr, size_t size) |
Changes the memory allocation. Corresponds to the standard C function realloc . More... | |
NLIB_CHECK_RESULT void * | nmalloc (size_t size) |
Allocates a memory region of the specified size (in bytes). This corresponds to the standard C function, malloc . More... | |
NLIB_CHECK_RESULT void * | ncalloc (size_t nmemb, size_t size) |
Allocates an array of memory and elements initialized to 0 . More... | |
NLIB_CHECK_RESULT void * | nmalloc_aligned (size_t size, size_t algn) |
Allocates memory with a specific alignment. More... | |
size_t | nmalloc_size (const void *ptr) |
Returns the amount of memory actually allocated at the ptr parameter. More... | |
void | nfree (void *p) |
Frees a memory region. Corresponds to the standard C function free . More... | |
void | nfree_size (void *p, size_t size) |
Frees a memory region. Using information about memory sizes makes it possible to free memory quickly. More... | |
errno_t | nmalloc_walk_allocated_ptrs (nmalloc_heapwalk_callback func, void *user_ptr) |
The callback function func is called for each region allocated in the heap. More... | |
bool | operator== (const HeapHash &rhs, const HeapHash &lhs) |
Returns true if the two compared summaries are equal. | |
bool | operator!= (const HeapHash &rhs, const HeapHash &lhs) |
Returns true if the two compared summaries are not equal. | |
nmalloc Initialization and Finalization | |
void | nmalloc_get_settings (NMallocSettings *settings) |
User applications can define this function to control the initialization settings of nmalloc . More... | |
Error-Checking and Debugging Functions | |
errno_t | nmalloc_query (int query,...) |
Gets and operates detailed data on the heap. More... | |
File that defines functions including nmalloc
and nfree
.
nmalloc
and nfree
have the following characteristics. Definition in file NMalloc.h.
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