Changeset c58ead7

Timestamp:

Sep 11, 2023, 12:12:17 PM (20 months ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

master

Children:

73d0a84c

Parents:

5cfb8b1

Message:

add malloc_stats_clear routine to zero the heap master and all active thread heaps

Location:

libcfa/src

Files:

• heap.cfa (modified) (3 diffs)
• heap.hfa (modified) (2 diffs)

libcfa/src/heap.cfa ¶

@@ -10 +10 @@
 // Created On       : Tue Dec 19 21:58:35 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Wed Aug  2 18:48:30 2023
-// Update Count     : 1614
+// Last Modified On : Mon Sep 11 11:21:10 2023
+// Update Count     : 1615
 //
 
@@ -691 +691 @@
         return stats;
 } // collectStats
+
+static inline void clearStats() {
+        lock( mgrLock );
+
+        // Zero the heap master and all active thread heaps.
+        HeapStatisticsCtor( heapMaster.stats );
+        for ( Heap * heap = heapMaster.heapManagersList; heap; heap = heap->nextHeapManager ) {
+                HeapStatisticsCtor( heap->stats );
+        } // for
+
+        unlock( mgrLock );
+} // clearStats
 #endif // __STATISTICS__
 
@@ -1556 +1568 @@
 
 
+        // Zero the heap master and all active thread heaps.
+        void malloc_stats_clear() {
+                #ifdef __STATISTICS__
+                clearStats();
+                #else
+                #define MALLOC_STATS_MSG "malloc_stats statistics disabled.\n"
+                if ( write( STDERR_FILENO, MALLOC_STATS_MSG, sizeof( MALLOC_STATS_MSG ) - 1 /* size includes '\0' */ ) == -1 ) {
+                        abort( "**** Error **** write failed in malloc_stats" );
+                } // if
+                #endif // __STATISTICS__
+        } // malloc_stats_clear
+
+
         // Changes the file descriptor where malloc_stats() writes statistics.
         int malloc_stats_fd( int fd __attribute__(( unused )) ) libcfa_public {

libcfa/src/heap.hfa ¶

@@ -10 +10 @@
 // Created On       : Tue May 26 11:23:55 2020
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Oct  4 19:08:55 2022
-// Update Count     : 23
+// Last Modified On : Mon Sep 11 11:18:18 2023
+// Update Count     : 24
 // 
 
@@ -43 +43 @@
         size_t malloc_mmap_start();                                                     // crossover allocation size from sbrk to mmap
         size_t malloc_unfreed();                                                        // heap unfreed size (bytes)
+        void malloc_stats_clear();                                                      // clear heap statistics
 } // extern "C"