Exemple #1
0
/* {{{ _mysqlnd_perealloc */
void * _mysqlnd_perealloc(void *ptr, size_t new_size, zend_bool persistent MYSQLND_MEM_D)
{
	void *ret;
	zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
	size_t old_size = collect_memory_statistics && ptr? *(size_t *) (((char*)ptr) - sizeof(size_t)) : 0;
#if PHP_DEBUG
	long * threshold = persistent? &MYSQLND_G(debug_realloc_fail_threshold):&MYSQLND_G(debug_erealloc_fail_threshold);
#endif
	DBG_ENTER(mysqlnd_perealloc_name);
	DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
	DBG_INF_FMT("ptr=%p old_size=%lu new_size=%lu persistent=%u", ptr, old_size, new_size, persistent); 

#if PHP_DEBUG
	/* -1 is also "true" */
	if (*threshold) {
#endif
		ret = perealloc(REAL_PTR(ptr), REAL_SIZE(new_size), persistent);
#if PHP_DEBUG
		--*threshold;
	} else if (*threshold == 0) {
		ret = NULL;
	}
#endif

	DBG_INF_FMT("new_ptr=%p", (char*)ret);

	if (ret && collect_memory_statistics) {
		enum mysqlnd_collected_stats s1 = persistent? STAT_MEM_REALLOC_COUNT:STAT_MEM_EREALLOC_COUNT;
		enum mysqlnd_collected_stats s2 = persistent? STAT_MEM_REALLOC_AMOUNT:STAT_MEM_EREALLOC_AMOUNT;
		*(size_t *) ret = new_size;
		MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(s1, 1, s2, new_size);
	}
	DBG_RETURN(FAKE_PTR(ret));
}
static
void *s_perealloc_fn(const memcached_st *memc, void *mem, const size_t size, void *context)
{
	zend_bool *is_persistent = memcached_get_user_data(memc);

	return
		perealloc(mem, size, *is_persistent);
}
Exemple #3
0
int sapi_stack_push(sapi_stack *stack, void *element)
{
		if (stack->top >= stack->max) {		 /* we need to allocate more memory */
				stack->elements = (void **) perealloc(stack->elements,
								   (sizeof(void **) * (stack->max += STACK_BLOCK_SIZE)), stack->persistent);
				if (!stack->elements) {
						return FAILURE;
				}
		}
		stack->elements[stack->top] = (void *) element;
		return stack->top++;
}
Exemple #4
0
/* {{{ php_stream_bucket_attach */
static void php_stream_bucket_attach(int append, INTERNAL_FUNCTION_PARAMETERS)
{
	zval *zbrigade, *zobject;
	zval *pzbucket, *pzdata;
	php_stream_bucket_brigade *brigade;
	php_stream_bucket *bucket;

	ZEND_PARSE_PARAMETERS_START(2, 2)
		Z_PARAM_RESOURCE(zbrigade)
		Z_PARAM_OBJECT(zobject)
	ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);

	if (NULL == (pzbucket = zend_hash_str_find(Z_OBJPROP_P(zobject), "bucket", sizeof("bucket")-1))) {
		php_error_docref(NULL, E_WARNING, "Object has no bucket property");
		RETURN_FALSE;
	}

	if ((brigade = (php_stream_bucket_brigade*)zend_fetch_resource(
					Z_RES_P(zbrigade), PHP_STREAM_BRIGADE_RES_NAME, le_bucket_brigade)) == NULL) {
		RETURN_FALSE;
	}

	if ((bucket = (php_stream_bucket *)zend_fetch_resource_ex(pzbucket, PHP_STREAM_BUCKET_RES_NAME, le_bucket)) == NULL) {
		RETURN_FALSE;
	}

	if (NULL != (pzdata = zend_hash_str_find(Z_OBJPROP_P(zobject), "data", sizeof("data")-1)) && Z_TYPE_P(pzdata) == IS_STRING) {
		if (!bucket->own_buf) {
			bucket = php_stream_bucket_make_writeable(bucket);
		}
		if (bucket->buflen != Z_STRLEN_P(pzdata)) {
			bucket->buf = perealloc(bucket->buf, Z_STRLEN_P(pzdata), bucket->is_persistent);
			bucket->buflen = Z_STRLEN_P(pzdata);
		}
		memcpy(bucket->buf, Z_STRVAL_P(pzdata), bucket->buflen);
	}

	if (append) {
		php_stream_bucket_append(brigade, bucket);
	} else {
		php_stream_bucket_prepend(brigade, bucket);
	}
	/* This is a hack necessary to accommodate situations where bucket is appended to the stream
 	 * multiple times. See bug35916.phpt for reference.
	 */
	if (bucket->refcount == 1) {
		bucket->refcount++;
	}
}
static void zend_hash_do_resize(HashTable *ht)
{
	Bucket **t;
#ifdef ZEND_SIGNALS
	TSRMLS_FETCH();
#endif

	IS_CONSISTENT(ht);

	if ((ht->nTableSize << 1) > 0) {	/* Let's double the table size */
		t = (Bucket **) perealloc(ht->arBuckets, (ht->nTableSize << 1) * sizeof(Bucket *), ht->persistent);
		HANDLE_BLOCK_INTERRUPTIONS();
		ht->arBuckets = t;
		ht->nTableSize = (ht->nTableSize << 1);
		ht->nTableMask = ht->nTableSize - 1;
		zend_hash_rehash(ht);
		HANDLE_UNBLOCK_INTERRUPTIONS();
	}
}
Exemple #6
0
/* {{{ php_stream_bucket_attach */
static void php_stream_bucket_attach(int append, INTERNAL_FUNCTION_PARAMETERS)
{
	zval *zbrigade, *zobject;
	zval *pzbucket, *pzdata;
	php_stream_bucket_brigade *brigade;
	php_stream_bucket *bucket;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "zo", &zbrigade, &zobject) == FAILURE) {
		RETURN_FALSE;
	}

	if (NULL == (pzbucket = zend_hash_str_find(Z_OBJPROP_P(zobject), "bucket", sizeof("bucket")-1))) {
		php_error_docref(NULL, E_WARNING, "Object has no bucket property");
		RETURN_FALSE;
	}

	ZEND_FETCH_RESOURCE(brigade, php_stream_bucket_brigade *, zbrigade, -1, PHP_STREAM_BRIGADE_RES_NAME, le_bucket_brigade);
	ZEND_FETCH_RESOURCE(bucket, php_stream_bucket *, pzbucket, -1, PHP_STREAM_BUCKET_RES_NAME, le_bucket);

	if (NULL != (pzdata = zend_hash_str_find(Z_OBJPROP_P(zobject), "data", sizeof("data")-1)) && Z_TYPE_P(pzdata) == IS_STRING) {
		if (!bucket->own_buf) {
			bucket = php_stream_bucket_make_writeable(bucket);
		}
		if ((int)bucket->buflen != Z_STRLEN_P(pzdata)) {
			bucket->buf = perealloc(bucket->buf, Z_STRLEN_P(pzdata), bucket->is_persistent);
			bucket->buflen = Z_STRLEN_P(pzdata);
		}
		memcpy(bucket->buf, Z_STRVAL_P(pzdata), bucket->buflen);
	}

	if (append) {
		php_stream_bucket_append(brigade, bucket);
	} else {
		php_stream_bucket_prepend(brigade, bucket);
	}
	/* This is a hack necessary to accommodate situations where bucket is appended to the stream
 	 * multiple times. See bug35916.phpt for reference.
	 */
	if (bucket->refcount == 1) {
		bucket->refcount++;
	}
}
Exemple #7
0
static void gc_grow_root_buffer(void)
{
	size_t new_size;

	if (GC_G(buf_size) >= GC_MAX_BUF_SIZE) {
		if (!GC_G(gc_full)) {
			zend_error(E_WARNING, "GC buffer overflow (GC disabled)\n");
			GC_G(gc_active) = 1;
			GC_G(gc_protected) = 1;
			GC_G(gc_full) = 1;
			return;
		}
	}
	if (GC_G(buf_size) < GC_BUF_GROW_STEP) {
		new_size = GC_G(buf_size) * 2;
	} else {
		new_size = GC_G(buf_size) + GC_BUF_GROW_STEP;
	}
	if (new_size > GC_MAX_BUF_SIZE) {
		new_size = GC_MAX_BUF_SIZE;
	}
	GC_G(buf) = perealloc(GC_G(buf), sizeof(gc_root_buffer) * new_size, 1);
	GC_G(buf_size) = new_size;
}
Exemple #8
0
*/

/* $Id$ */

#include "php_solr.h"

/* {{{ static inline void solr_string_alloc(solr_string_t *dest, size_t length, size_t *new_length SOLR_MEM_DEBUG_DC) */
static inline void solr_string_alloc(solr_string_t *dest, size_t length, size_t *new_length SOLR_MEM_DEBUG_DC)
{
	/* If buffer is empty */
	if (!dest->str)
	{
		(*new_length) = length;

		dest->cap     = ((*new_length) < SOLR_STRING_START_SIZE) ? SOLR_STRING_START_SIZE : (length + SOLR_STRING_INCREMENT_SIZE);
		dest->str     = (solr_char_t *) perealloc(dest->str, dest->cap * sizeof(solr_char_t), SOLR_STRING_PERSISTENT);

	} else {

		(*new_length) = dest->len + length;

		/* If the buffer full, get more space */
		if ((*new_length) >= dest->cap)
		{
			dest->cap = (*new_length) + SOLR_STRING_INCREMENT_SIZE;

			dest->str = (solr_char_t *) perealloc(dest->str, dest->cap * sizeof(solr_char_t), SOLR_STRING_PERSISTENT);
		}
	}

#ifdef SOLR_MEM_DEBUG
Exemple #9
0
PHPAPI int _php_stream_filter_flush(php_stream_filter *filter, int finish)
{
	php_stream_bucket_brigade brig_a = { NULL, NULL }, brig_b = { NULL, NULL }, *inp = &brig_a, *outp = &brig_b, *brig_temp;
	php_stream_bucket *bucket;
	php_stream_filter_chain *chain;
	php_stream_filter *current;
	php_stream *stream;
	size_t flushed_size = 0;
	long flags = (finish ? PSFS_FLAG_FLUSH_CLOSE : PSFS_FLAG_FLUSH_INC);

	if (!filter->chain || !filter->chain->stream) {
		/* Filter is not attached to a chain, or chain is somehow not part of a stream */
		return FAILURE;
	}

	chain = filter->chain;
	stream = chain->stream;

	for(current = filter; current; current = current->next) {
		php_stream_filter_status_t status;

		status = filter->fops->filter(stream, current, inp, outp, NULL, flags);
		if (status == PSFS_FEED_ME) {
			/* We've flushed the data far enough */
			return SUCCESS;
		}
		if (status == PSFS_ERR_FATAL) {
			return FAILURE;
		}
		/* Otherwise we have data available to PASS_ON
			Swap the brigades and continue */
		brig_temp = inp;
		inp = outp;
		outp = brig_temp;
		outp->head = NULL;
		outp->tail = NULL;

		flags = PSFS_FLAG_NORMAL;
	}

	/* Last filter returned data via PSFS_PASS_ON
		Do something with it */

	for(bucket = inp->head; bucket; bucket = bucket->next) {
		flushed_size += bucket->buflen;
	}

	if (flushed_size == 0) {
		/* Unlikely, but possible */
		return SUCCESS;
	}

	if (chain == &(stream->readfilters)) {
		/* Dump any newly flushed data to the read buffer */
		if (stream->readpos > 0) {
			/* Back the buffer up */
			memcpy(stream->readbuf, stream->readbuf + stream->readpos, stream->writepos - stream->readpos);
			stream->readpos = 0;
			stream->writepos -= stream->readpos;
		}
		if (flushed_size > (stream->readbuflen - stream->writepos)) {
			/* Grow the buffer */
			stream->readbuf = perealloc(stream->readbuf, stream->writepos + flushed_size + stream->chunk_size, stream->is_persistent);
		}
		while ((bucket = inp->head)) {
			memcpy(stream->readbuf + stream->writepos, bucket->buf, bucket->buflen);
			stream->writepos += bucket->buflen;
			php_stream_bucket_unlink(bucket);
			php_stream_bucket_delref(bucket);
		}
	} else if (chain == &(stream->writefilters)) {
		/* Send flushed data to the stream */
		while ((bucket = inp->head)) {
			stream->ops->write(stream, bucket->buf, bucket->buflen);
			php_stream_bucket_unlink(bucket);
			php_stream_bucket_delref(bucket);
		}
	}

	return SUCCESS;
}
Exemple #10
0
PHPAPI int php_stream_filter_append_ex(php_stream_filter_chain *chain, php_stream_filter *filter)
{
	php_stream *stream = chain->stream;

	filter->prev = chain->tail;
	filter->next = NULL;
	if (chain->tail) {
		chain->tail->next = filter;
	} else {
		chain->head = filter;
	}
	chain->tail = filter;
	filter->chain = chain;

	if (&(stream->readfilters) == chain && (stream->writepos - stream->readpos) > 0) {
		/* Let's going ahead and wind anything in the buffer through this filter */
		php_stream_bucket_brigade brig_in = { NULL, NULL }, brig_out = { NULL, NULL };
		php_stream_bucket_brigade *brig_inp = &brig_in, *brig_outp = &brig_out;
		php_stream_filter_status_t status;
		php_stream_bucket *bucket;
		size_t consumed = 0;

		bucket = php_stream_bucket_new(stream, (char*) stream->readbuf + stream->readpos, stream->writepos - stream->readpos, 0, 0);
		php_stream_bucket_append(brig_inp, bucket);
		status = filter->fops->filter(stream, filter, brig_inp, brig_outp, &consumed, PSFS_FLAG_NORMAL);

		if (stream->readpos + consumed > (uint)stream->writepos) {
			/* No behaving filter should cause this. */
			status = PSFS_ERR_FATAL;
		}

		switch (status) {
			case PSFS_ERR_FATAL:
				while (brig_in.head) {
					bucket = brig_in.head;
					php_stream_bucket_unlink(bucket);
					php_stream_bucket_delref(bucket);
				}
				while (brig_out.head) {
					bucket = brig_out.head;
					php_stream_bucket_unlink(bucket);
					php_stream_bucket_delref(bucket);
				}
				php_error_docref(NULL, E_WARNING, "Filter failed to process pre-buffered data");
				return FAILURE;
			case PSFS_FEED_ME:
				/* We don't actually need data yet,
				   leave this filter in a feed me state until data is needed.
				   Reset stream's internal read buffer since the filter is "holding" it. */
				stream->readpos = 0;
				stream->writepos = 0;
				break;
			case PSFS_PASS_ON:
				/* If any data is consumed, we cannot rely upon the existing read buffer,
				   as the filtered data must replace the existing data, so invalidate the cache */
				/* note that changes here should be reflected in
				   main/streams/streams.c::php_stream_fill_read_buffer */
				stream->writepos = 0;
				stream->readpos = 0;

				while (brig_outp->head) {
					bucket = brig_outp->head;
					/* Grow buffer to hold this bucket if need be.
					   TODO: See warning in main/stream/streams.c::php_stream_fill_read_buffer */
					if (stream->readbuflen - stream->writepos < bucket->buflen) {
						stream->readbuflen += bucket->buflen;
						stream->readbuf = perealloc(stream->readbuf, stream->readbuflen, stream->is_persistent);
					}
					memcpy(stream->readbuf + stream->writepos, bucket->buf, bucket->buflen);
					stream->writepos += bucket->buflen;

					php_stream_bucket_unlink(bucket);
					php_stream_bucket_delref(bucket);
				}
				break;
		}
	}

	return SUCCESS;
}