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Added the ability to run deinit tasks when deleting arenas

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This commit is contained in:
Warwick 2025-11-26 15:21:20 +00:00
parent 4c6348a0ee
commit cbc14f9c61
3 changed files with 23 additions and 7 deletions
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8
src/arena_allocator.c
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@ -30,7 +30,8 @@ Arena *arena_init(Arena *parent, size_t capacity) {
.begin = region, .begin = region,
.end = region, .end = region,
.child = NULL, .child = NULL,
.sibling = NULL}; .sibling = NULL,
.deinit_task_top = NULL};
// if parent has no children this arena is now it's child // if parent has no children this arena is now it's child
if (parent->child == NULL) { if (parent->child == NULL) {
@ -50,7 +51,8 @@ Arena *arena_init(Arena *parent, size_t capacity) {
.begin = region, .begin = region,
.end = region, .end = region,
.child = NULL, .child = NULL,
.sibling = NULL}; .sibling = NULL,
.deinit_task_top = NULL};
return arena; return arena;
} }
@ -124,7 +126,7 @@ void *arena_alloc(Arena *arena, size_t size) {
return result; return result;
} }
void arena_run_on_deinit_push(Arena *arena, ArenaDeinitTask task) { void arena_deinit_task_push(Arena *arena, ArenaDeinitTask task) {
ArenaDeinitTask *job = arena_alloc(arena, sizeof(ArenaDeinitTask)); ArenaDeinitTask *job = arena_alloc(arena, sizeof(ArenaDeinitTask));
*job = task; *job = task;

3
src/arena_allocator.h
View file

@ -16,7 +16,6 @@ struct ArenaDeinitTask_s {
void (*func_ptr)(void *); void (*func_ptr)(void *);
ArenaDeinitTask *next; ArenaDeinitTask *next;
}; };
ArenaDeinitTask ArenaDeinitTask_default = {NULL};
typedef struct Arena_s Arena; typedef struct Arena_s Arena;
struct Arena_s { struct Arena_s {
@ -31,7 +30,7 @@ struct Arena_s {
Arena *arena_init(Arena *parent, size_t capacity); Arena *arena_init(Arena *parent, size_t capacity);
void arena_deinit(Arena *arena); void arena_deinit(Arena *arena);
void arena_run_on_deinit_push(Arena *arena, ArenaDeinitTask task); void arena_deinit_task_push(Arena *arena, ArenaDeinitTask task);
void *arena_alloc(Arena *arena, size_t size); void *arena_alloc(Arena *arena, size_t size);
// void *arena_clear(Arena *arena); // void *arena_clear(Arena *arena);

19
src/main.c
View file

@ -1,5 +1,6 @@
#include <GL/glew.h> #include <GL/glew.h>
#include <SDL3/SDL.h> #include <SDL3/SDL.h>
#include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include "SDL3/SDL_events.h" #include "SDL3/SDL_events.h"
@ -10,7 +11,9 @@
#include "arena_allocator.h" #include "arena_allocator.h"
/* void test_task(void *data) {
printf("\ttest task has been run: %s\n", (char *)data);
}
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
// arena allocation test // arena allocation test
printf("Allocation test\n"); printf("Allocation test\n");
@ -33,6 +36,17 @@ int main(int argc, char *argv[]) {
Arena *greatsiblinggreatgrandchild_arena = Arena *greatsiblinggreatgrandchild_arena =
arena_init(greatgrandchildsiblingsibling_arena, 0); arena_init(greatgrandchildsiblingsibling_arena, 0);
printf("deinit task creation tests\n");
ArenaDeinitTask task = {NULL};
task.func_ptr = *test_task;
task.func_param = "parameter";
arena_deinit_task_push(global_arena, task);
task.func_param = "2nd parameter added";
arena_deinit_task_push(global_arena, task);
printf("deinit tests\n"); printf("deinit tests\n");
arena_deinit(greatgrandchild_arena); arena_deinit(greatgrandchild_arena);
@ -40,8 +54,8 @@ int main(int argc, char *argv[]) {
printf("tests complete\n"); printf("tests complete\n");
} }
*/
/*
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
wn_window window = {0}; wn_window window = {0};
if (!wn_window_init(&window)) { if (!wn_window_init(&window)) {
@ -156,3 +170,4 @@ int main(int argc, char *argv[]) {
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }
*/