X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/669af35fa6a1fb42422d0844ba289c51554ee4ac..b8df87e176f27b25534f27d7e240defa32ca35bc:/src/xbt/mmalloc/mmprivate.h

diff --git a/src/xbt/mmalloc/mmprivate.h b/src/xbt/mmalloc/mmprivate.h
index 09cb4be8b2..c05e9e356b 100644
--- a/src/xbt/mmalloc/mmprivate.h
+++ b/src/xbt/mmalloc/mmprivate.h
@@ -1,7 +1,6 @@
 /* Declarations for `mmalloc' and friends. */
 
-/* Copyright (c) 2010-2014. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2010-2019. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -11,18 +10,29 @@
    Written May 1989 by Mike Haertel.
    Heavily modified Mar 1992 by Fred Fish. (fnf@cygnus.com) */
 
-#ifndef __MMPRIVATE_H
-#define __MMPRIVATE_H 1
+#ifndef XBT_MMPRIVATE_H
+#define XBT_MMPRIVATE_H 1
 
-#include "portable.h"
+#include <xbt/base.h>
+#include <xbt/misc.h>
+
+#include "swag.h"
+#include "src/internal_config.h"
 #include "xbt/xbt_os_thread.h"
 #include "xbt/mmalloc.h"
 #include "xbt/ex.h"
 #include "xbt/dynar.h"
-#include "xbt/swag.h"
-#include <semaphore.h>
+
+#include <pthread.h>
 #include <stdint.h>
 
+#ifndef MIN
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef MAX
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
 #ifdef HAVE_LIMITS_H
 #  include <limits.h>
 #else
@@ -93,6 +103,8 @@
 
 #define ADDRESS(B) ((void*) (((ADDR2UINT(B)) - 1) * BLOCKSIZE + (char*) mdp -> heapbase))
 
+SG_BEGIN_DECL()
+
 /* Doubly linked lists of free fragments.  */
 struct list {
   struct list *next;
@@ -109,19 +121,6 @@ struct mstats
   size_t bytes_free;    /* Byte total of chunks in the free list. */
 };
 
-typedef struct s_heap_area{
-  int valid;
-  int block;
-  int fragment;
-}s_heap_area_t, *heap_area_t;
-
-typedef struct s_heap_area_pair{
-  int block1;
-  int fragment1;
-  int block2;
-  int fragment2;
-}s_heap_area_pair_t, *heap_area_pair_t;
-
 #define MMALLOC_TYPE_HEAPINFO (-2)
 #define MMALLOC_TYPE_FREE (-1)
 #define MMALLOC_TYPE_UNFRAGMENTED 0
@@ -156,7 +155,7 @@ typedef struct {
   int type; /*  0: busy large block
                 >0: busy fragmented (fragments of size 2^type bytes)
                 <0: free block */
-  
+
   union {
     /* Heap information for a busy block.  */
     struct {
@@ -190,8 +189,8 @@ typedef struct {
  * */
 struct mdesc {
 
-  /** @brief Semaphore locking the access to the heap */
-  sem_t sem;
+  /** @brief Mutex locking the access to the heap */
+  pthread_mutex_t mutex;
 
   /** @brief Number of processes that attached the heap */
   unsigned int refcount;
@@ -285,39 +284,27 @@ struct mdesc {
 
 /* A default malloc descriptor for the single sbrk() managed region. */
 
-XBT_PUBLIC( struct mdesc ) *__mmalloc_default_mdp;
+XBT_PUBLIC_DATA struct mdesc* __mmalloc_default_mdp;
 
 /* Remap a mmalloc region that was previously mapped. */
 
-XBT_PUBLIC( void *)__mmalloc_remap_core(xbt_mheap_t mdp);
+XBT_PUBLIC void* __mmalloc_remap_core(xbt_mheap_t mdp);
 
-XBT_PUBLIC( void *)mmorecore(struct mdesc *mdp, ssize_t size);
+XBT_PUBLIC void* mmorecore(struct mdesc* mdp, ssize_t size);
 
-/* Thread-safety (if the sem is already created)
+/** Thread-safety (if the mutex is already created)
  *
  * This is mandatory in the case where the user runs a parallel simulation
  * in a model-checking enabled tree. Without this protection, our malloc
  * implementation will not like multi-threading AT ALL.
  */
-#define LOCK(mdp) sem_wait(&mdp->sem)
-#define UNLOCK(mdp) sem_post(&mdp->sem)
+#define LOCK(mdp) pthread_mutex_lock(&mdp->mutex)
+#define UNLOCK(mdp) pthread_mutex_unlock(&mdp->mutex)
 
-static XBT_INLINE void  mmalloc_paranoia(struct mdesc *mdp){
+XBT_PRIVATE int malloc_use_mmalloc(void);
 
-  /* nothing to fear for no */
+XBT_PRIVATE size_t mmalloc_get_bytes_used_remote(size_t heaplimit, const malloc_info* heapinfo);
 
-}
+SG_END_DECL()
 
-static inline int mmalloc_get_increment(malloc_info* heapinfo) {
-  if (heapinfo->type < 0) {
-    return heapinfo->free_block.size;
-  } else if (heapinfo->type == 0) {
-    return heapinfo->busy_block.size;
-  } else {
-    return 1;
-  }
-}
-
-void mmcheck(xbt_mheap_t heap);
-
-#endif                          /* __MMPRIVATE_H */
+#endif