Change 'mem' namspace to 'jmem'

The 'mem_' prefix is too general, so it might clash with symbols in other libraries. Renamed the directory, file, funtion and type names. Related issue: #1052 JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
2016-05-13 14:09:31 +02:00
parent aaa3d22677
commit 92bb551d45
63 changed files with 1612 additions and 1612 deletions
@@ -0,0 +1,149 @@
+/* Copyright 2014-2016 Samsung Electronics Co., Ltd.
+ * Copyright 2016 University of Szeged.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Allocator implementation
+ */
+
+#include "jrt.h"
+#include "jrt-libc-includes.h"
+#include "jmem-allocator.h"
+#include "jmem-heap.h"
+#include "jmem-poolman.h"
+
+#define JMEM_ALLOCATOR_INTERNAL
+#include "jmem-allocator-internal.h"
+
+/**
+ * The 'try to give memory back' callback
+ */
+static jmem_try_give_memory_back_callback_t jmem_try_give_memory_back_callback = NULL;
+
+/**
+ * Initialize memory allocators.
+ */
+void
+jmem_init (void)
+{
+  jmem_heap_init ();
+  jmem_pools_init ();
+} /* jmem_init */
+
+/**
+ * Finalize memory allocators.
+ */
+void
+jmem_finalize (bool is_show_mem_stats) /**< show heap memory stats
+                                            before finalization? */
+{
+  jmem_pools_finalize ();
+
+#ifdef JMEM_STATS
+  if (is_show_mem_stats)
+  {
+    jmem_stats_print ();
+  }
+#else /* !JMEM_STATS */
+  (void) is_show_mem_stats;
+#endif /* JMEM_STATS */
+
+  jmem_heap_finalize ();
+} /* jmem_finalize */
+
+/**
+ * Compress pointer
+ *
+ * @return packed pointer
+ */
+uintptr_t
+jmem_compress_pointer (const void *pointer_p) /**< pointer to compress */
+{
+  JERRY_ASSERT (jmem_is_heap_pointer (pointer_p));
+
+  return jmem_heap_compress_pointer (pointer_p);
+} /* jmem_compress_pointer */
+
+/**
+ * Decompress pointer
+ *
+ * @return unpacked pointer
+ */
+void *
+jmem_decompress_pointer (uintptr_t compressed_pointer) /**< pointer to decompress */
+{
+  return jmem_heap_decompress_pointer (compressed_pointer);
+} /* jmem_decompress_pointer */
+
+/**
+ * Register specified 'try to give memory back' callback routine
+ */
+void
+jmem_register_a_try_give_memory_back_callback (jmem_try_give_memory_back_callback_t callback) /**< callback routine */
+{
+  /* Currently only one callback is supported */
+  JERRY_ASSERT (jmem_try_give_memory_back_callback == NULL);
+
+  jmem_try_give_memory_back_callback = callback;
+} /* jmem_register_a_try_give_memory_back_callback */
+
+/**
+ * Unregister specified 'try to give memory back' callback routine
+ */
+void
+jmem_unregister_a_try_give_memory_back_callback (jmem_try_give_memory_back_callback_t callback) /**< callback routine */
+{
+  /* Currently only one callback is supported */
+  JERRY_ASSERT (jmem_try_give_memory_back_callback == callback);
+
+  jmem_try_give_memory_back_callback = NULL;
+} /* jmem_unregister_a_try_give_memory_back_callback */
+
+/**
+ * Run 'try to give memory back' callbacks with specified severity
+ */
+void
+jmem_run_try_to_give_memory_back_callbacks (jmem_try_give_memory_back_severity_t severity) /**< severity of
+                                                                                               the request */
+{
+  if (jmem_try_give_memory_back_callback != NULL)
+  {
+    jmem_try_give_memory_back_callback (severity);
+  }
+
+  jmem_pools_collect_empty ();
+} /* jmem_run_try_to_give_memory_back_callbacks */
+
+#ifdef JMEM_STATS
+/**
+ * Reset peak values in memory usage statistics
+ */
+void
+jmem_stats_reset_peak (void)
+{
+  jmem_heap_stats_reset_peak ();
+  jmem_pools_stats_reset_peak ();
+} /* jmem_stats_reset_peak */
+
+/**
+ * Print memory usage statistics
+ */
+void
+jmem_stats_print (void)
+{
+  jmem_heap_stats_print ();
+  jmem_pools_stats_print ();
+} /* jmem_stats_print */
+#endif /* JMEM_STATS */