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[Emacs-diffs] master 3d82a8e 11/15: Fix extern symbols defined and not u
From: |
Paul Eggert |
Subject: |
[Emacs-diffs] master 3d82a8e 11/15: Fix extern symbols defined and not used |
Date: |
Sat, 30 Jan 2016 23:26:18 +0000 |
branch: master
commit 3d82a8ee4bd392ae536c8c3640140d1d0f594f44
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>
Fix extern symbols defined and not used
* src/alloc.c: Always include <signal.h>.
(malloc_warning) [!SIGDANGER && (SYSTEM_MALLOC || HYBRID_MALLOC)]:
Do not define; unused.
* src/emacs.c, src/lisp.h (might_dump) [!DOUG_LEA_MALLOC]: Now static.
* src/gmalloc.c (gdefault_morecore): Rename from __default_morecore,
to avoid collision with glibc. Now static. All uses changed.
* src/lastfile.c (my_edata): Define only if
((!defined SYSTEM_MALLOC && !defined HYBRID_MALLOC && !defined
WINDOWSNT) \ || defined CYGWIN || defined DARWIN_OS).
(Bug#22086)
---
src/alloc.c | 8 ++++----
src/emacs.c | 3 +++
src/gmalloc.c | 7 +++----
src/lastfile.c | 3 +++
src/lisp.h | 2 ++
5 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/src/alloc.c b/src/alloc.c
index b1d3f2e..57ef4c5 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -22,10 +22,7 @@ along with GNU Emacs. If not, see
<http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <limits.h> /* For CHAR_BIT. */
-
-#ifdef ENABLE_CHECKING
-#include <signal.h> /* For SIGABRT. */
-#endif
+#include <signal.h> /* For SIGABRT, SIGDANGER. */
#ifdef HAVE_PTHREAD
#include <pthread.h>
@@ -565,6 +562,8 @@ static struct Lisp_Finalizer doomed_finalizers;
Malloc
************************************************************************/
+#if defined SIGDANGER || (!defined SYSTEM_MALLOC && !defined HYBRID_MALLOC)
+
/* Function malloc calls this if it finds we are near exhausting storage. */
void
@@ -573,6 +572,7 @@ malloc_warning (const char *str)
pending_malloc_warning = str;
}
+#endif
/* Display an already-pending malloc warning. */
diff --git a/src/emacs.c b/src/emacs.c
index de770a6..540bf73 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -128,6 +128,9 @@ Lisp_Object Vlibrary_cache;
bool initialized;
/* Set to true if this instance of Emacs might dump. */
+#ifndef DOUG_LEA_MALLOC
+static
+#endif
bool might_dump;
#ifdef DARWIN_OS
diff --git a/src/gmalloc.c b/src/gmalloc.c
index ca86276..282216a 100644
--- a/src/gmalloc.c
+++ b/src/gmalloc.c
@@ -56,7 +56,6 @@ License along with this library. If not, see
<http://www.gnu.org/licenses/>.
extern void (*__MALLOC_HOOK_VOLATILE __after_morecore_hook) (void);
extern void (*__MALLOC_HOOK_VOLATILE __malloc_initialize_hook) (void);
extern void *(*__morecore) (ptrdiff_t);
-extern void *__default_morecore (ptrdiff_t);
#endif
/* If HYBRID_MALLOC is defined, then temacs will use malloc,
@@ -1512,8 +1511,8 @@ extern void *__sbrk (ptrdiff_t increment);
/* Allocate INCREMENT more bytes of data space,
and return the start of data space, or NULL on errors.
If INCREMENT is negative, shrink data space. */
-void *
-__default_morecore (ptrdiff_t increment)
+static void *
+gdefault_morecore (ptrdiff_t increment)
{
void *result;
#ifdef HYBRID_MALLOC
@@ -1528,7 +1527,7 @@ __default_morecore (ptrdiff_t increment)
return result;
}
-void *(*__morecore) (ptrdiff_t) = __default_morecore;
+void *(*__morecore) (ptrdiff_t) = gdefault_morecore;
/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
diff --git a/src/lastfile.c b/src/lastfile.c
index 2d0bcc7..9c73fb4 100644
--- a/src/lastfile.c
+++ b/src/lastfile.c
@@ -38,7 +38,10 @@ along with GNU Emacs. If not, see
<http://www.gnu.org/licenses/>. */
#include "lisp.h"
+#if ((!defined SYSTEM_MALLOC && !defined HYBRID_MALLOC && !defined WINDOWSNT) \
+ || defined CYGWIN || defined DARWIN_OS)
char my_edata[] = "End of Emacs initialized data";
+#endif
/* Help unexec locate the end of the .bss area used by Emacs (which
isn't always a separate section in NT executables). */
diff --git a/src/lisp.h b/src/lisp.h
index cafcfde..ef86c4f 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -619,7 +619,9 @@ extern _Noreturn Lisp_Object wrong_type_argument
(Lisp_Object, Lisp_Object);
extern _Noreturn void wrong_choice (Lisp_Object, Lisp_Object);
/* Defined in emacs.c. */
+#ifdef DOUG_LEA_MALLOC
extern bool might_dump;
+#endif
/* True means Emacs has already been initialized.
Used during startup to detect startup of dumped Emacs. */
extern bool initialized;
- [Emacs-diffs] master dec1390 03/15: unexelf.c hook to support HYBRID_MALLOC on ELF, (continued)
- [Emacs-diffs] master dec1390 03/15: unexelf.c hook to support HYBRID_MALLOC on ELF, Paul Eggert, 2016/01/30
- [Emacs-diffs] master 874c59a 06/15: Report static heap usage on non-Cygwin, too, Paul Eggert, 2016/01/30
- [Emacs-diffs] master a5f8586 02/15: Link temacs with gnulib compiled with -Demacs, Paul Eggert, 2016/01/30
- [Emacs-diffs] master 384ffef 05/15: Pacify GCC on extern decls, Paul Eggert, 2016/01/30
- [Emacs-diffs] master d6585a9 04/15: Add musl patch to support HYBRID_MALLOC on elf systems, Paul Eggert, 2016/01/30
- [Emacs-diffs] master cb22fce 01/15: Internal linkage for gmalloc etc. if HYBRID_MALLOC, Paul Eggert, 2016/01/30
- [Emacs-diffs] master e4cd4a7 08/15: * src/alloc.c: Include "sheap.h"., Paul Eggert, 2016/01/30
- [Emacs-diffs] master e1a9f20 07/15: Pacify --enable-gcc-warnings when HYBRID_MALLOC, Paul Eggert, 2016/01/30
- [Emacs-diffs] master 2ee2963 12/15: Shrink static heap a bit, Paul Eggert, 2016/01/30
- [Emacs-diffs] master 370a260 14/15: Make it easy to override preferred-branch test, Paul Eggert, 2016/01/30
- [Emacs-diffs] master 3d82a8e 11/15: Fix extern symbols defined and not used,
Paul Eggert <=
- [Emacs-diffs] master 7fdc3cf 10/15: Build lib/e-*.o only on platforms that need it, Paul Eggert, 2016/01/30
- [Emacs-diffs] master a4817d8 09/15: Include <malloc.h> when advisable, Paul Eggert, 2016/01/30
- [Emacs-diffs] master 692e410 15/15: Tell Automake the new lib/Makefile.am is OK, Paul Eggert, 2016/01/30
- [Emacs-diffs] master ffbf163 13/15: ; Try to clean up ChangeLog.2 mess created by merge., Paul Eggert, 2016/01/30