From 260b4d0dbf7ab775be6dff25b977e206fbd66b8f Mon Sep 17 00:00:00 2001
From: Zeev Suraski <zeev@php.net>
Date: Wed, 16 May 2001 15:02:30 +0000
Subject: [PATCH] Merge memory usage into memory limit

---
 Zend/Zend.m4           | 16 ----------------
 Zend/zend_alloc.c      | 28 +++++++---------------------
 Zend/zend_globals.h    |  4 ----
 sapi/apache/mod_php4.c |  4 ++--
 4 files changed, 9 insertions(+), 43 deletions(-)

diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
index 360c50d009..2efe422af1 100644
--- a/Zend/Zend.m4
+++ b/Zend/Zend.m4
@@ -123,13 +123,6 @@ AC_ARG_ENABLE(memory-limit,
   ZEND_MEMORY_LIMIT=no
 ])
 
-AC_ARG_ENABLE(memory-usage-info,
-[  --enable-memory-usage-info   Compile with support for memory usage info. ], [
-  ZEND_MEMORY_USAGE_INFO=$enableval
-],[
-  ZEND_MEMORY_USAGE_INFO=no
-])
-
 AC_MSG_CHECKING(whether to enable experimental ZTS)
 AC_MSG_RESULT($ZEND_EXPERIMENTAL_ZTS)
 
@@ -139,9 +132,6 @@ AC_MSG_RESULT($ZEND_INLINE_OPTIMIZATION)
 AC_MSG_CHECKING(whether to enable a memory limit)
 AC_MSG_RESULT($ZEND_MEMORY_LIMIT)
 
-AC_MSG_CHECKING(whether to enable a memory usage)
-AC_MSG_RESULT($ZEND_MEMORY_USAGE_INFO)
-
 AC_MSG_CHECKING(whether to enable Zend debugging)
 AC_MSG_RESULT($ZEND_DEBUG)
 	
@@ -177,12 +167,6 @@ else
   AC_DEFINE(MEMORY_LIMIT, 0, [Memory limit])
 fi
 
-if test "$ZEND_MEMORY_USAGE_INFO" = "yes"; then
-  AC_DEFINE(MEMORY_USAGE_INFO, 1, [Memory usage])
-else
-  AC_DEFINE(MEMORY_USAGE_INFO, 0, [Memory usage])
-fi
-
 
 changequote({,})
 if test -n "$GCC" && test "$ZEND_INLINE_OPTIMIZATION" != "yes"; then
diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
index 7a70333ea9..488a2c0ec4 100644
--- a/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@ -184,11 +184,9 @@ ZEND_API void *_emalloc(size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
 #endif
 #if MEMORY_LIMIT
 	CHECK_MEMORY_LIMIT(size, SIZE);
-#endif
-#if MEMORY_USAGE_INFO
-	AG(cur_allocated_memory) += SIZE;
-	if (AG(cur_allocated_memory) > AG(max_allocated_memory))
-		AG(max_allocated_memory) = AG(cur_allocated_memory);
+	if (AG(allocated_memory) > AG(allocated_memory_peak) {
+		AG(allocated_memory_peak) = AG(allocated_memory);
+	}
 #endif
 
 	HANDLE_UNBLOCK_INTERRUPTIONS();
@@ -234,9 +232,6 @@ ZEND_API void _efree(void *ptr ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
 #if MEMORY_LIMIT
 	AG(allocated_memory) -= SIZE;
 #endif
-#if MEMORY_USAGE_INFO
-	AG(cur_allocated_memory) -= SIZE;
-#endif
 	
 	free(p);
 	HANDLE_UNBLOCK_INTERRUPTIONS();
@@ -313,11 +308,8 @@ ZEND_API void *_erealloc(void *ptr, size_t size, int allow_failure ZEND_FILE_LIN
 #endif	
 #if MEMORY_LIMIT
 	CHECK_MEMORY_LIMIT(size - p->size, SIZE - REAL_SIZE(p->size));
-#endif
-#if MEMORY_USAGE_INFO
-	AG(cur_allocated_memory) += SIZE - REAL_SIZE(p->size);
-	if (AG(cur_allocated_memory) > AG(max_allocated_memory))
-		AG(max_allocated_memory) = AG(cur_allocated_memory);
+	if (AG(allocated_memory) > AG(allocated_memory_peak)) {
+		AG(allocated_memory_peak) = AG(allocated_memory);
 #endif
 
 	p->size = size;
@@ -404,10 +396,7 @@ ZEND_API void start_memory_manager(ALS_D)
 	AG(memory_limit) = 1<<30;		/* rediculous limit, effectively no limit */
 	AG(allocated_memory) = 0;
 	AG(memory_exhausted) = 0;
-#endif
-#if MEMORY_USAGE_INFO
-	AG(cur_allocated_memory) = 0;
-	AG(max_allocated_memory) = 0;
+	AG(allocated_memory_peak) = 0;
 #endif
 
 	memset(AG(fast_cache_list_head), 0, sizeof(AG(fast_cache_list_head)));
@@ -507,10 +496,7 @@ ZEND_API void shutdown_memory_manager(int silent, int clean_cache)
 #if MEMORY_LIMIT
 	AG(memory_exhausted)=0;
 #endif
-#if MEMORY_USAGE_INFO
-	AG(cur_allocated_memory) = 0;
-	AG(max_allocated_memory) = 0;
-#endif
+
 
 #if (ZEND_DEBUG)
 	do {
diff --git a/Zend/zend_globals.h b/Zend/zend_globals.h
index b853800c56..867fee8316 100644
--- a/Zend/zend_globals.h
+++ b/Zend/zend_globals.h
@@ -217,10 +217,6 @@ struct _zend_alloc_globals {
 	unsigned int allocated_memory;
 	unsigned char memory_exhausted;
 #endif
-#if MEMORY_USAGE_INFO
-	unsigned int cur_allocated_memory;
-	unsigned int max_allocated_memory;
-#endif
 };
 
 #endif /* ZEND_GLOBALS_H */
diff --git a/sapi/apache/mod_php4.c b/sapi/apache/mod_php4.c
index a43f34ba12..0a83324c05 100644
--- a/sapi/apache/mod_php4.c
+++ b/sapi/apache/mod_php4.c
@@ -546,12 +546,12 @@ static int send_parsed_php(request_rec * r)
 {
 	int result =  send_php(r, 0, NULL);
 
-#if MEMORY_USAGE_INFO
+#if MEMORY_LIMIT
     {
         char mem_usage[ 32 ];
         ALS_FETCH()
  
-        sprintf(mem_usage,"%u", (int) AG(max_allocated_memory));
+        sprintf(mem_usage,"%u", (int) AG(allocated_memory_peak));
         ap_table_setn(r->notes, "mod_php_memory_usage", ap_pstrdup(r->pool,mem_usage));
     }
 #endif
-- 
2.50.1