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authorPaul Eggert <eggert@cs.ucla.edu>2012-04-15 18:18:13 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2012-04-15 18:18:13 -0700
commit3539f31f03b40bafa0875de88e3a5d55558ba32c (patch)
tree2ee0306fd2a493abe8b0ac1234e3a3e94fa41519 /src/ralloc.c
parenta041960a7ca40a5af684efb3e859edd9daae907d (diff)
downloademacs-3539f31f03b40bafa0875de88e3a5d55558ba32c.tar.gz
Fix minor ralloc.c problems found by static checking.
See http://lists.gnu.org/archive/html/emacs-devel/2011-12/msg00720.html * ralloc.c (ALIGNED, ROUND_TO_PAGE, HEAP_PTR_SIZE) (r_alloc_size_in_use, r_alloc_freeze, r_alloc_thaw): Remove; unused. (r_alloc_sbrk): Now static.
Diffstat (limited to 'src/ralloc.c')
-rw-r--r--src/ralloc.c60
1 files changed, 1 insertions, 59 deletions
diff --git a/src/ralloc.c b/src/ralloc.c
index 896ad9f3155..4bb2f240438 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -95,10 +95,8 @@ static int extra_bytes;
/* Macros for rounding. Note that rounding to any value is possible
by changing the definition of PAGE. */
#define PAGE (getpagesize ())
-#define ALIGNED(addr) (((unsigned long int) (addr) & (page_size - 1)) == 0)
#define ROUNDUP(size) (((unsigned long int) (size) + page_size - 1) \
& ~(page_size - 1))
-#define ROUND_TO_PAGE(addr) (addr & (~(page_size - 1)))
#define MEM_ALIGN sizeof (double)
#define MEM_ROUNDUP(addr) (((unsigned long int)(addr) + MEM_ALIGN - 1) \
@@ -151,7 +149,6 @@ typedef struct heap
} *heap_ptr;
#define NIL_HEAP ((heap_ptr) 0)
-#define HEAP_PTR_SIZE (sizeof (struct heap))
/* This is the first heap object.
If we need additional heap objects, each one resides at the beginning of
@@ -366,15 +363,6 @@ relinquish (void)
}
}
}
-
-/* Return the total size in use by relocating allocator,
- above where malloc gets space. */
-
-long
-r_alloc_size_in_use (void)
-{
- return (char *) break_value - (char *) virtual_break_value;
-}
/* The meat - allocating, freeing, and relocating blocs. */
@@ -748,7 +736,7 @@ free_bloc (bloc_ptr bloc)
__morecore hook values - in particular, __default_morecore in the
GNU malloc package. */
-POINTER
+static POINTER
r_alloc_sbrk (long int size)
{
register bloc_ptr b;
@@ -1014,52 +1002,6 @@ r_re_alloc (POINTER *ptr, SIZE size)
return *ptr;
}
-/* Disable relocations, after making room for at least SIZE bytes
- of non-relocatable heap if possible. The relocatable blocs are
- guaranteed to hold still until thawed, even if this means that
- malloc must return a null pointer. */
-
-void
-r_alloc_freeze (long int size)
-{
- if (! r_alloc_initialized)
- r_alloc_init ();
-
- /* If already frozen, we can't make any more room, so don't try. */
- if (r_alloc_freeze_level > 0)
- size = 0;
- /* If we can't get the amount requested, half is better than nothing. */
- while (size > 0 && r_alloc_sbrk (size) == 0)
- size /= 2;
- ++r_alloc_freeze_level;
- if (size > 0)
- r_alloc_sbrk (-size);
-}
-
-void
-r_alloc_thaw (void)
-{
-
- if (! r_alloc_initialized)
- r_alloc_init ();
-
- if (--r_alloc_freeze_level < 0)
- abort ();
-
- /* This frees all unused blocs. It is not too inefficient, as the resize
- and memcpy is done only once. Afterwards, all unreferenced blocs are
- already shrunk to zero size. */
- if (!r_alloc_freeze_level)
- {
- bloc_ptr *b = &first_bloc;
- while (*b)
- if (!(*b)->variable)
- free_bloc (*b);
- else
- b = &(*b)->next;
- }
-}
-
#if defined (emacs) && defined (DOUG_LEA_MALLOC)