From: Martin Quinson <martin.quinson@loria.fr>
Date: Thu, 2 Feb 2012 13:53:54 +0000 (+0100)
Subject: kill an unused/undocumented/un-understood function
X-Git-Tag: exp_20120216~89
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/c3d49b133b582d863f53002530ed7c65ad6dbcae?hp=506c9d37d4f03855c37f075b5c88c6efe6958ccb

kill an unused/undocumented/un-understood function
---

diff --git a/include/xbt/mmalloc.h b/include/xbt/mmalloc.h
index 74643cd3ee..f6ca9056e8 100644
--- a/include/xbt/mmalloc.h
+++ b/include/xbt/mmalloc.h
@@ -55,8 +55,6 @@ extern void *mmalloc_detach(xbt_mheap_t md);
 /* return the heap used when NULL is passed as first argument to any mm* function */
 extern xbt_mheap_t mmalloc_get_default_md(void);
 
-extern void *mmalloc_findbase(int size);
-
 extern void mmalloc_display_info_heap(xbt_mheap_t h);
 
 /* To change the heap used when using the legacy version malloc/free/realloc and such */
diff --git a/src/xbt/mmalloc/mmorecore.c b/src/xbt/mmalloc/mmorecore.c
index 2c68d503e4..76ff04b876 100644
--- a/src/xbt/mmalloc/mmorecore.c
+++ b/src/xbt/mmalloc/mmorecore.c
@@ -144,41 +144,3 @@ void *__mmalloc_remap_core(struct mdesc *mdp)
   return ((void *) base);
 }
 
-void *mmalloc_findbase(int size)
-{
-  int fd;
-  int flags;
-  void *base = NULL;
-
-#ifdef MAP_ANONYMOUS
-  flags = MAP_PRIVATE | MAP_ANONYMOUS;
-  fd = -1;
-#else
-#ifdef MAP_FILE
-  flags = MAP_PRIVATE | MAP_FILE;
-#else
-  flags = MAP_PRIVATE;
-#endif
-  fd = open("/dev/zero", O_RDWR);
-  if (fd != -1) {
-    return ((void *) NULL);
-  }
-#endif
-  base = mmap(0, size, PROT_READ | PROT_WRITE, flags, fd, 0);
-  if (base != (void *) -1) {
-    munmap(base, (size_t) size);
-  }
-  if (fd != -1) {
-    close(fd);
-  }
-  if (base == 0) {
-    /* Don't allow mapping at address zero.  We use that value
-       to signal an error return, and besides, it is useful to
-       catch NULL pointers if it is unmapped.  Instead start
-       at the next page boundary. */
-    base = (void *) (long) getpagesize();
-  } else if (base == (void *) -1) {
-    base = NULL;
-  }
-  return ((void *) base);
-}