From: Arnaud Giersch <arnaud.giersch@univ-fcomte.fr>
Date: Tue, 31 Oct 2017 22:28:14 +0000 (+0100)
Subject: Replace legacy __sync* builtins by __atomic*.
X-Git-Tag: v3.18~330
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/7377fcd26c41f42160b385faf84135857928bda0

Replace legacy __sync* builtins by __atomic*.
---

diff --git a/src/xbt/mallocator.c b/src/xbt/mallocator.c
index e3a0319599..ec32f179c5 100644
--- a/src/xbt/mallocator.c
+++ b/src/xbt/mallocator.c
@@ -46,8 +46,7 @@ static inline void lock_reset(xbt_mallocator_t m)
 static inline void lock_acquire(xbt_mallocator_t m)
 {
   if (initialization_done > 1) {
-    int *lock = &m->lock;
-    while (__sync_lock_test_and_set(lock, 1))
+    while (__atomic_test_and_set(&m->lock, __ATOMIC_ACQUIRE))
       /* nop */;
   }
 }
@@ -55,7 +54,7 @@ static inline void lock_acquire(xbt_mallocator_t m)
 static inline void lock_release(xbt_mallocator_t m)
 {
   if (initialization_done > 1)
-    __sync_lock_release(&m->lock);
+    __atomic_clear(&m->lock, __ATOMIC_RELEASE);
 }
 
 /**
diff --git a/src/xbt/mallocator_private.h b/src/xbt/mallocator_private.h
index a69e26ddb6..ccd5b5237d 100644
--- a/src/xbt/mallocator_private.h
+++ b/src/xbt/mallocator_private.h
@@ -17,7 +17,7 @@ typedef struct s_xbt_mallocator {
   pvoid_f_void_t new_f;         /* function to call when we are running out of objects */
   void_f_pvoid_t free_f;        /* function to call when we have got too many objects */
   void_f_pvoid_t reset_f;       /* function to call when an object is released by the user */
-  int lock;                     /* lock to ensure the mallocator is thread-safe */
+  char lock;                    /* lock to ensure the mallocator is thread-safe */
 } s_xbt_mallocator_t;
 
 #endif