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[Emacs-diffs] master 978cf88: Port pdumper to older GNU/Linux
From: |
Paul Eggert |
Subject: |
[Emacs-diffs] master 978cf88: Port pdumper to older GNU/Linux |
Date: |
Wed, 16 Jan 2019 20:35:15 -0500 (EST) |
branch: master
commit 978cf88bda9c9b41f1cc20cf8e53a9e6caeb91be
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>
Port pdumper to older GNU/Linux
Problem reported by Colin Baxter in:
https://lists.gnu.org/r/emacs-devel/2019-01/msg00321.html
* src/alloc.c (my_heap_start): Also define if
GNU_LINUX && CANNOT_DUMP && DOUG_LEA_MALLOC.
---
src/alloc.c | 32 +++++++++++++++++---------------
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/src/alloc.c b/src/alloc.c
index 8054aa5..5ea466b 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -103,24 +103,12 @@ along with GNU Emacs. If not, see
<https://www.gnu.org/licenses/>. */
#include "w32heap.h" /* for sbrk */
#endif
-#if defined GNU_LINUX && !defined CANNOT_DUMP
-/* The address where the heap starts. */
-void *
-my_heap_start (void)
-{
- static void *start;
- if (! start)
- start = sbrk (0);
- return start;
-}
-#endif
-
#ifdef DOUG_LEA_MALLOC
/* Specify maximum number of areas to mmap. It would be nice to use a
value that explicitly means "no limit". */
-#define MMAP_MAX_AREAS 100000000
+# define MMAP_MAX_AREAS 100000000
/* A pointer to the memory allocated that copies that static data
inside glibc's malloc. */
@@ -136,9 +124,9 @@ malloc_initialize_hook (void)
if (! initialized)
{
-#ifdef GNU_LINUX
+# ifdef GNU_LINUX
my_heap_start ();
-#endif
+# endif
malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL;
}
else
@@ -201,6 +189,20 @@ alloc_unexec_post (void)
free (malloc_state_ptr);
# endif
}
+
+# ifdef GNU_LINUX
+
+/* The address where the heap starts. */
+void *
+my_heap_start (void)
+{
+ static void *start;
+ if (! start)
+ start = sbrk (0);
+ return start;
+}
+# endif
+
#endif
/* Mark, unmark, query mark bit of a Lisp string. S must be a pointer
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