ObjFW  Check-in [555445ce0a]

Overview
Comment:Remove useless thread-checking.
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SHA3-256: 555445ce0a7f88b64c4f298416477004890913f79e82e1df155bb9ab30f9bf92
User & Date: js on 2012-04-21 10:56:21
Other Links: branch diff | manifest | tags
Context
2012-04-21
11:31
Merge branch 'master' into runtime check-in: 676e09bf77 user: js tags: runtime
10:56
Remove useless thread-checking. check-in: 555445ce0a user: js tags: runtime
10:35
Merge branch 'master' into runtime check-in: e5d2a616de user: js tags: runtime
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/runtime/class.m from [5cd9de1e6b] to [a1cee08383].

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}

void
objc_update_dtable(Class cls)
{
	struct objc_method_list *ml;
	struct objc_category **cats;
	struct objc_sparsearray *dtable;
	unsigned int i;


	if (cls->superclass != Nil)

		dtable = objc_sparsearray_copy(cls->superclass->dtable);
	else
		dtable = objc_sparsearray_new();


	for (ml = cls->methodlist; ml != NULL; ml = ml->next)
		for (i = 0; i < ml->count; i++)
			objc_sparsearray_set(dtable,
			    (uint32_t)ml->methods[i].sel.uid,
			    ml->methods[i].imp);

	if ((cats = objc_categories_for_class(cls)) != NULL) {
		for (i = 0; cats[i] != NULL; i++) {
			unsigned int j;

			ml = (cls->info & OBJC_CLASS_INFO_CLASS ?
			    cats[i]->instance_methods : cats[i]->class_methods);

			for (; ml != NULL; ml = ml->next)
				for (j = 0; j < ml->count; j++)
					objc_sparsearray_set(dtable,
					    (uint32_t)ml->methods[j].sel.uid,
					    ml->methods[j].imp);
		}
	}

	if (cls->dtable != NULL)
		objc_sparsearray_free_when_singlethreaded(cls->dtable);

	cls->dtable = dtable;

	if (cls->subclass_list != NULL)
		for (i = 0; cls->subclass_list[i] != NULL; i++)
			objc_update_dtable(cls->subclass_list[i]);
}

static void
add_subclass(Class cls)








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}

void
objc_update_dtable(Class cls)
{
	struct objc_method_list *ml;
	struct objc_category **cats;

	unsigned int i;

	if (cls->dtable == NULL) {
		if (cls->superclass != Nil)
			cls->dtable =
			    objc_sparsearray_copy(cls->superclass->dtable);
		else
			cls->dtable = objc_sparsearray_new();
	}

	for (ml = cls->methodlist; ml != NULL; ml = ml->next)
		for (i = 0; i < ml->count; i++)
			objc_sparsearray_set(cls->dtable,
			    (uint32_t)ml->methods[i].sel.uid,
			    ml->methods[i].imp);

	if ((cats = objc_categories_for_class(cls)) != NULL) {
		for (i = 0; cats[i] != NULL; i++) {
			unsigned int j;

			ml = (cls->info & OBJC_CLASS_INFO_CLASS ?
			    cats[i]->instance_methods : cats[i]->class_methods);

			for (; ml != NULL; ml = ml->next)
				for (j = 0; j < ml->count; j++)
					objc_sparsearray_set(cls->dtable,
					    (uint32_t)ml->methods[j].sel.uid,
					    ml->methods[j].imp);
		}
	}






	if (cls->subclass_list != NULL)
		for (i = 0; cls->subclass_list[i] != NULL; i++)
			objc_update_dtable(cls->subclass_list[i]);
}

static void
add_subclass(Class cls)
︙︙

Modified src/runtime/sparsearray.m from [71ecf956f3] to [a773bc4c5d].

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		free(s->buckets[i]);
	}

	free(s);
}

void
objc_sparsearray_free_when_singlethreaded(struct objc_sparsearray *s)
{
	size_t i, j;

	for (i = 0; i < 256; i++) {
		if (s->buckets[i]->empty)
			continue;

		for (j = 0; j < 256; j++)
			if (!s->buckets[i]->buckets[j]->empty)
				objc_free_when_singlethreaded(
				    s->buckets[i]->buckets[j]);

		objc_free_when_singlethreaded(s->buckets[i]);
	}

	objc_free_when_singlethreaded(s);
}

void
objc_sparsearray_cleanup(void)
{
	if (empty_level2 != NULL)
		free(empty_level2);
	if (empty_level3 != NULL)
		free(empty_level3);

	empty_level2 = NULL;
	empty_level3 = NULL;
}








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		free(s->buckets[i]);
	}

	free(s);
}





















void
objc_sparsearray_cleanup(void)
{
	if (empty_level2 != NULL)
		free(empty_level2);
	if (empty_level3 != NULL)
		free(empty_level3);

	empty_level2 = NULL;
	empty_level3 = NULL;
}

Modified src/runtime/threading.m from [7dca0646d4] to [2d30e1cc90].

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#include <stdio.h>
#include <stdlib.h>

#import "runtime.h"
#import "runtime-private.h"

static objc_mutex_t global_mutex;
static int num_threads = 1;
static void **free_queue = NULL;
static size_t free_queue_cnt = 0;

BOOL
objc_mutex_new(objc_mutex_t *mutex)
{
	if (!of_mutex_new(&mutex->mutex ))
		return NO;









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#include <stdio.h>
#include <stdlib.h>

#import "runtime.h"
#import "runtime-private.h"

static objc_mutex_t global_mutex;




BOOL
objc_mutex_new(objc_mutex_t *mutex)
{
	if (!of_mutex_new(&mutex->mutex ))
		return NO;
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void
objc_global_mutex_free(void)
{
	if (!objc_mutex_free(&global_mutex))
		ERROR("Failed to free global mutex!");
}

void
objc_thread_add(void)
{
	/*
	 * If some class is being initialized, we want to wait for it, thus
	 * we use the global lock instead of atomic operations.
	 */
	objc_global_mutex_lock();
	num_threads++;
	objc_global_mutex_unlock();
}

void
objc_thread_remove(void)
{
	size_t i;

	objc_global_mutex_lock();

	if (free_queue != NULL) {
		for (i = 0; i < free_queue_cnt; i++)
			free(free_queue[i]);

		free(free_queue);

		free_queue = NULL;
		free_queue_cnt = 0;
	}

	num_threads--;
	objc_global_mutex_unlock();
}

void
objc_free_when_singlethreaded(void *ptr)
{
	if (num_threads == 1) {
		free(ptr);
		return;
	}

	if (free_queue == NULL)
		free_queue = malloc(sizeof(void*));
	else
		free_queue = realloc(free_queue, sizeof(void*) *
		    (free_queue_cnt + 1));

	if (free_queue == NULL)
		ERROR("Not enough memory for queue of pointers to free!");

	free_queue[free_queue_cnt++] = ptr;
}








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void
objc_global_mutex_free(void)
{
	if (!objc_mutex_free(&global_mutex))
		ERROR("Failed to free global mutex!");
}

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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