X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c0710834f51c63b06ecd9e59738c758278e4ec88..41c803093e7108f16bfb4cc7e2c41c52104c73c2:/src/xbt/mmalloc/mmprivate.h diff --git a/src/xbt/mmalloc/mmprivate.h b/src/xbt/mmalloc/mmprivate.h index 09cb4be8b2..12441e7e6d 100644 --- a/src/xbt/mmalloc/mmprivate.h +++ b/src/xbt/mmalloc/mmprivate.h @@ -1,6 +1,6 @@ /* Declarations for `mmalloc' and friends. */ -/* Copyright (c) 2010-2014. The SimGrid Team. +/* Copyright (c) 2010-2015. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it @@ -14,13 +14,17 @@ #ifndef __MMPRIVATE_H #define __MMPRIVATE_H 1 +#include +#include + #include "portable.h" #include "xbt/xbt_os_thread.h" #include "xbt/mmalloc.h" #include "xbt/ex.h" #include "xbt/dynar.h" #include "xbt/swag.h" -#include + +#include #include #ifdef HAVE_LIMITS_H @@ -93,6 +97,8 @@ #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; @@ -190,8 +196,8 @@ 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; @@ -285,7 +291,7 @@ 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. */ @@ -293,14 +299,14 @@ XBT_PUBLIC( void *)__mmalloc_remap_core(xbt_mheap_t mdp); 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){ @@ -318,6 +324,15 @@ static inline int mmalloc_get_increment(malloc_info* heapinfo) { } } -void mmcheck(xbt_mheap_t heap); +XBT_PRIVATE void mmcheck(xbt_mheap_t heap); + +XBT_PRIVATE int malloc_use_mmalloc(void); + +XBT_PRIVATE int mmalloc_exec_using_mm(int argc, const char** argv); +XBT_PRIVATE void mmalloc_ensure_using_mm(int argc, const char** argv); + +XBT_PRIVATE size_t mmalloc_get_bytes_used_remote(size_t heaplimit, const malloc_info* heapinfo); + +SG_END_DECL() #endif /* __MMPRIVATE_H */