andrey                                   Thu, 22 Apr 2010 15:07:40 +0000

Revision: http://svn.php.net/viewvc?view=revision&revision=298323

Log:
Remove dead code and add possibility to fine tune the size of
a mempool (used for result sets).

Changed paths:
    U   php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.h
    U   php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_block_alloc.c
    U   php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_ps.c
    U   php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_result.c
    U   php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_structs.h
    U   php/php-src/branches/PHP_5_3/ext/mysqlnd/php_mysqlnd.c
    U   php/php-src/trunk/ext/mysqlnd/mysqlnd.h
    U   php/php-src/trunk/ext/mysqlnd/mysqlnd_block_alloc.c
    U   php/php-src/trunk/ext/mysqlnd/mysqlnd_ps.c
    U   php/php-src/trunk/ext/mysqlnd/mysqlnd_result.c
    U   php/php-src/trunk/ext/mysqlnd/mysqlnd_structs.h
    U   php/php-src/trunk/ext/mysqlnd/php_mysqlnd.c

Modified: php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.h
===================================================================
--- php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.h	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.h	2010-04-22 15:07:40 UTC (rev 298323)
@@ -277,6 +277,7 @@
 	long			net_read_buffer_size;
 	long			log_mask;
 	long			net_read_timeout;
+	long			mempool_default_size;
 ZEND_END_MODULE_GLOBALS(mysqlnd)

 ZEND_EXTERN_MODULE_GLOBALS(mysqlnd);

Modified: php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_block_alloc.c
===================================================================
--- php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_block_alloc.c	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_block_alloc.c	2010-04-22 15:07:40 UTC (rev 298323)
@@ -29,22 +29,6 @@

 /* {{{ mysqlnd_mempool_free_chunk */
 static void
-mysqlnd_mempool_free_contents(MYSQLND_MEMORY_POOL * pool TSRMLS_DC)
-{
-	unsigned int i;
-	DBG_ENTER("mysqlnd_mempool_dtor");
-	for (i = 0; i < pool->free_chunk_list_elements; i++) {
-		MYSQLND_MEMORY_POOL_CHUNK * chunk = pool->free_chunk_list[i];
-		chunk->free_chunk(chunk, FALSE TSRMLS_CC);
-	}
-
-	DBG_VOID_RETURN;
-}
-/* }}} */
-
-
-/* {{{ mysqlnd_mempool_free_chunk */
-static void
 mysqlnd_mempool_free_chunk(MYSQLND_MEMORY_POOL_CHUNK * chunk, zend_bool cache_it TSRMLS_DC)
 {
 	MYSQLND_MEMORY_POOL * pool = chunk->pool;
@@ -62,13 +46,7 @@
 	} else {
 		mnd_free(chunk->ptr);
 	}
-	if (cache_it && pool->free_chunk_list_elements < MYSQLND_MEMORY_POOL_CHUNK_LIST_SIZE) {
-		chunk->ptr = NULL;
-		pool->free_chunk_list[pool->free_chunk_list_elements++] = chunk;
-	} else {
-		/* We did not cache it -> free it */
-		mnd_free(chunk);
-	}
+	mnd_free(chunk);
 	DBG_VOID_RETURN;
 }
 /* }}} */
@@ -110,7 +88,7 @@
 				memcpy(new_ptr, chunk->ptr, chunk->size);
 				chunk->ptr = new_ptr;
 				chunk->size = size;
-				chunk->pool = NULL; /* now we have no pool memory */
+				chunk->pool = NULL; /* now we have non-pool memory */
 				pool->refcount--;
 			}
 		}
@@ -129,11 +107,7 @@
 	MYSQLND_MEMORY_POOL_CHUNK *chunk = NULL;
 	DBG_ENTER("mysqlnd_mempool_get_chunk");

-	if (pool->free_chunk_list_elements) {
-		chunk = pool->free_chunk_list[--pool->free_chunk_list_elements];
-	} else {
-		chunk = mnd_malloc(sizeof(MYSQLND_MEMORY_POOL_CHUNK));
-	}
+	chunk = mnd_malloc(sizeof(MYSQLND_MEMORY_POOL_CHUNK));

 	chunk->free_chunk = mysqlnd_mempool_free_chunk;
 	chunk->resize_chunk = mysqlnd_mempool_resize_chunk;
@@ -167,7 +141,7 @@
 	MYSQLND_MEMORY_POOL * ret = mnd_calloc(1, sizeof(MYSQLND_MEMORY_POOL));
 	DBG_ENTER("mysqlnd_mempool_create");

-	ret->free_size = ret->arena_size = arena_size;
+	ret->free_size = ret->arena_size = arena_size ? arena_size : 0;
 	ret->refcount = 0;
 	/* OOM ? */
 	ret->arena = mnd_malloc(ret->arena_size);
@@ -184,7 +158,6 @@
 {
 	DBG_ENTER("mysqlnd_mempool_destroy");
 	/* mnd_free will reference LOCK_access and might crash, depending on the caller...*/
-	mysqlnd_mempool_free_contents(pool TSRMLS_CC);
 	mnd_free(pool->arena);
 	mnd_free(pool);
 	DBG_VOID_RETURN;

Modified: php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_ps.c
===================================================================
--- php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_ps.c	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_ps.c	2010-04-22 15:07:40 UTC (rev 298323)
@@ -102,7 +102,7 @@
 	result->m.fetch_row		= mysqlnd_fetch_stmt_row_buffered;
 	result->m.fetch_lengths	= NULL;/* makes no sense */

-	result->result_set_memory_pool = mysqlnd_mempool_create(16000 TSRMLS_CC);
+	result->result_set_memory_pool = mysqlnd_mempool_create(MYSQLND_G(mempool_default_size) TSRMLS_CC);

 	ret = result->m.store_result_fetch_data(conn, result, result->meta, TRUE, to_cache TSRMLS_CC);


Modified: php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_result.c
===================================================================
--- php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_result.c	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_result.c	2010-04-22 15:07:40 UTC (rev 298323)
@@ -856,7 +856,7 @@
 	}
 	result->unbuf = mnd_ecalloc(1, sizeof(MYSQLND_RES_UNBUFFERED));

-	result->result_set_memory_pool = mysqlnd_mempool_create(16000 TSRMLS_CC);
+	result->result_set_memory_pool = mysqlnd_mempool_create(MYSQLND_G(mempool_default_size) TSRMLS_CC);

 	/*
 	  Will be freed in the mysqlnd_internal_free_result_contents() called
@@ -1171,7 +1171,7 @@

 	CONN_SET_STATE(conn, CONN_FETCHING_DATA);

-	result->result_set_memory_pool = mysqlnd_mempool_create(16000 TSRMLS_CC);
+	result->result_set_memory_pool = mysqlnd_mempool_create(MYSQLND_G(mempool_default_size) TSRMLS_CC);
 	result->lengths = mnd_ecalloc(result->field_count, sizeof(unsigned long));

 	ret = result->m.store_result_fetch_data(conn, result, result->meta, ps_protocol, to_cache TSRMLS_CC);

Modified: php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_structs.h
===================================================================
--- php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_structs.h	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd_structs.h	2010-04-22 15:07:40 UTC (rev 298323)
@@ -39,9 +39,6 @@
 	unsigned int arena_size;
 	unsigned int free_size;

-	MYSQLND_MEMORY_POOL_CHUNK* free_chunk_list[MYSQLND_MEMORY_POOL_CHUNK_LIST_SIZE];
-	unsigned int free_chunk_list_elements;
-
 	MYSQLND_MEMORY_POOL_CHUNK*	(*get_chunk)(MYSQLND_MEMORY_POOL * pool, unsigned int size TSRMLS_DC);
 };


Modified: php/php-src/branches/PHP_5_3/ext/mysqlnd/php_mysqlnd.c
===================================================================
--- php/php-src/branches/PHP_5_3/ext/mysqlnd/php_mysqlnd.c	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/branches/PHP_5_3/ext/mysqlnd/php_mysqlnd.c	2010-04-22 15:07:40 UTC (rev 298323)
@@ -176,6 +176,7 @@
 	STD_PHP_INI_ENTRY("mysqlnd.net_read_buffer_size",	"32768",PHP_INI_ALL,	OnUpdateLong,	net_read_buffer_size,	zend_mysqlnd_globals,		mysqlnd_globals)
 	STD_PHP_INI_ENTRY("mysqlnd.net_read_timeout",	"31536000",	PHP_INI_SYSTEM, OnUpdateLong,	net_read_timeout, zend_mysqlnd_globals, mysqlnd_globals)
 	STD_PHP_INI_ENTRY("mysqlnd.log_mask",				"0", 	PHP_INI_ALL,	OnUpdateLong,	log_mask, zend_mysqlnd_globals, mysqlnd_globals)
+	STD_PHP_INI_ENTRY("mysqlnd.mempool_default_size","16000",   PHP_INI_ALL,	OnUpdateLong,	mempool_default_size,	zend_mysqlnd_globals,		mysqlnd_globals)
 PHP_INI_END()
 /* }}} */


Modified: php/php-src/trunk/ext/mysqlnd/mysqlnd.h
===================================================================
--- php/php-src/trunk/ext/mysqlnd/mysqlnd.h	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/trunk/ext/mysqlnd/mysqlnd.h	2010-04-22 15:07:40 UTC (rev 298323)
@@ -277,6 +277,7 @@
 	long			net_read_buffer_size;
 	long			log_mask;
 	long			net_read_timeout;
+	long			mempool_default_size;
 ZEND_END_MODULE_GLOBALS(mysqlnd)

 ZEND_EXTERN_MODULE_GLOBALS(mysqlnd);

Modified: php/php-src/trunk/ext/mysqlnd/mysqlnd_block_alloc.c
===================================================================
--- php/php-src/trunk/ext/mysqlnd/mysqlnd_block_alloc.c	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/trunk/ext/mysqlnd/mysqlnd_block_alloc.c	2010-04-22 15:07:40 UTC (rev 298323)
@@ -29,22 +29,6 @@

 /* {{{ mysqlnd_mempool_free_chunk */
 static void
-mysqlnd_mempool_free_contents(MYSQLND_MEMORY_POOL * pool TSRMLS_DC)
-{
-	unsigned int i;
-	DBG_ENTER("mysqlnd_mempool_dtor");
-	for (i = 0; i < pool->free_chunk_list_elements; i++) {
-		MYSQLND_MEMORY_POOL_CHUNK * chunk = pool->free_chunk_list[i];
-		chunk->free_chunk(chunk, FALSE TSRMLS_CC);
-	}
-
-	DBG_VOID_RETURN;
-}
-/* }}} */
-
-
-/* {{{ mysqlnd_mempool_free_chunk */
-static void
 mysqlnd_mempool_free_chunk(MYSQLND_MEMORY_POOL_CHUNK * chunk, zend_bool cache_it TSRMLS_DC)
 {
 	MYSQLND_MEMORY_POOL * pool = chunk->pool;
@@ -62,13 +46,7 @@
 	} else {
 		mnd_free(chunk->ptr);
 	}
-	if (cache_it && pool->free_chunk_list_elements < MYSQLND_MEMORY_POOL_CHUNK_LIST_SIZE) {
-		chunk->ptr = NULL;
-		pool->free_chunk_list[pool->free_chunk_list_elements++] = chunk;
-	} else {
-		/* We did not cache it -> free it */
-		mnd_free(chunk);
-	}
+	mnd_free(chunk);
 	DBG_VOID_RETURN;
 }
 /* }}} */
@@ -110,7 +88,7 @@
 				memcpy(new_ptr, chunk->ptr, chunk->size);
 				chunk->ptr = new_ptr;
 				chunk->size = size;
-				chunk->pool = NULL; /* now we have no pool memory */
+				chunk->pool = NULL; /* now we have non-pool memory */
 				pool->refcount--;
 			}
 		}
@@ -129,11 +107,7 @@
 	MYSQLND_MEMORY_POOL_CHUNK *chunk = NULL;
 	DBG_ENTER("mysqlnd_mempool_get_chunk");

-	if (pool->free_chunk_list_elements) {
-		chunk = pool->free_chunk_list[--pool->free_chunk_list_elements];
-	} else {
-		chunk = mnd_malloc(sizeof(MYSQLND_MEMORY_POOL_CHUNK));
-	}
+	chunk = mnd_malloc(sizeof(MYSQLND_MEMORY_POOL_CHUNK));

 	chunk->free_chunk = mysqlnd_mempool_free_chunk;
 	chunk->resize_chunk = mysqlnd_mempool_resize_chunk;
@@ -167,7 +141,7 @@
 	MYSQLND_MEMORY_POOL * ret = mnd_calloc(1, sizeof(MYSQLND_MEMORY_POOL));
 	DBG_ENTER("mysqlnd_mempool_create");

-	ret->free_size = ret->arena_size = arena_size;
+	ret->free_size = ret->arena_size = arena_size ? arena_size : 0;
 	ret->refcount = 0;
 	/* OOM ? */
 	ret->arena = mnd_malloc(ret->arena_size);
@@ -184,7 +158,6 @@
 {
 	DBG_ENTER("mysqlnd_mempool_destroy");
 	/* mnd_free will reference LOCK_access and might crash, depending on the caller...*/
-	mysqlnd_mempool_free_contents(pool TSRMLS_CC);
 	mnd_free(pool->arena);
 	mnd_free(pool);
 	DBG_VOID_RETURN;

Modified: php/php-src/trunk/ext/mysqlnd/mysqlnd_ps.c
===================================================================
--- php/php-src/trunk/ext/mysqlnd/mysqlnd_ps.c	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/trunk/ext/mysqlnd/mysqlnd_ps.c	2010-04-22 15:07:40 UTC (rev 298323)
@@ -102,7 +102,7 @@
 	result->m.fetch_row		= mysqlnd_fetch_stmt_row_buffered;
 	result->m.fetch_lengths	= NULL;/* makes no sense */

-	result->result_set_memory_pool = mysqlnd_mempool_create(16000 TSRMLS_CC);
+	result->result_set_memory_pool = mysqlnd_mempool_create(MYSQLND_G(mempool_default_size) TSRMLS_CC);

 	ret = result->m.store_result_fetch_data(conn, result, result->meta, TRUE, to_cache TSRMLS_CC);


Modified: php/php-src/trunk/ext/mysqlnd/mysqlnd_result.c
===================================================================
--- php/php-src/trunk/ext/mysqlnd/mysqlnd_result.c	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/trunk/ext/mysqlnd/mysqlnd_result.c	2010-04-22 15:07:40 UTC (rev 298323)
@@ -856,7 +856,7 @@
 	}
 	result->unbuf = mnd_ecalloc(1, sizeof(MYSQLND_RES_UNBUFFERED));

-	result->result_set_memory_pool = mysqlnd_mempool_create(16000 TSRMLS_CC);
+	result->result_set_memory_pool = mysqlnd_mempool_create(MYSQLND_G(mempool_default_size) TSRMLS_CC);

 	/*
 	  Will be freed in the mysqlnd_internal_free_result_contents() called
@@ -1171,7 +1171,7 @@

 	CONN_SET_STATE(conn, CONN_FETCHING_DATA);

-	result->result_set_memory_pool = mysqlnd_mempool_create(16000 TSRMLS_CC);
+	result->result_set_memory_pool = mysqlnd_mempool_create(MYSQLND_G(mempool_default_size) TSRMLS_CC);
 	result->lengths = mnd_ecalloc(result->field_count, sizeof(unsigned long));

 	ret = result->m.store_result_fetch_data(conn, result, result->meta, ps_protocol, to_cache TSRMLS_CC);

Modified: php/php-src/trunk/ext/mysqlnd/mysqlnd_structs.h
===================================================================
--- php/php-src/trunk/ext/mysqlnd/mysqlnd_structs.h	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/trunk/ext/mysqlnd/mysqlnd_structs.h	2010-04-22 15:07:40 UTC (rev 298323)
@@ -39,9 +39,6 @@
 	unsigned int arena_size;
 	unsigned int free_size;

-	MYSQLND_MEMORY_POOL_CHUNK* free_chunk_list[MYSQLND_MEMORY_POOL_CHUNK_LIST_SIZE];
-	unsigned int free_chunk_list_elements;
-
 	MYSQLND_MEMORY_POOL_CHUNK*	(*get_chunk)(MYSQLND_MEMORY_POOL * pool, unsigned int size TSRMLS_DC);
 };


Modified: php/php-src/trunk/ext/mysqlnd/php_mysqlnd.c
===================================================================
--- php/php-src/trunk/ext/mysqlnd/php_mysqlnd.c	2010-04-22 15:03:17 UTC (rev 298322)
+++ php/php-src/trunk/ext/mysqlnd/php_mysqlnd.c	2010-04-22 15:07:40 UTC (rev 298323)
@@ -176,6 +176,7 @@
 	STD_PHP_INI_ENTRY("mysqlnd.net_read_buffer_size",	"32768",PHP_INI_ALL,	OnUpdateLong,	net_read_buffer_size,	zend_mysqlnd_globals,		mysqlnd_globals)
 	STD_PHP_INI_ENTRY("mysqlnd.net_read_timeout",	"31536000",	PHP_INI_SYSTEM, OnUpdateLong,	net_read_timeout, zend_mysqlnd_globals, mysqlnd_globals)
 	STD_PHP_INI_ENTRY("mysqlnd.log_mask",				"0", 	PHP_INI_ALL,	OnUpdateLong,	log_mask, zend_mysqlnd_globals, mysqlnd_globals)
+	STD_PHP_INI_ENTRY("mysqlnd.mempool_default_size","16000",   PHP_INI_ALL,	OnUpdateLong,	mempool_default_size,	zend_mysqlnd_globals,		mysqlnd_globals)
 PHP_INI_END()
 /* }}} */

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