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Re: emacs-22.1 with GTK problems (with patches)
From: |
YAMAMOTO Mitsuharu |
Subject: |
Re: emacs-22.1 with GTK problems (with patches) |
Date: |
Fri, 14 Sep 2007 15:16:44 +0900 |
User-agent: |
Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (Shijō) APEL/10.6 Emacs/23.0.50 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) |
>>>>> On Fri, 14 Sep 2007 08:06:19 +0200, Jan Djärv <jan.h.d@swipnet.se> said:
>> On Solaris 2.6 there is no recursive mutex support.
> Then we can not support that platform. I can put in a configure
> test for recursive mutexes, but we have to fail with an error if
> there is no such thing.
What do you think about the change below?
(I asked the OP whether a similar change works in
http://lists.gnu.org/archive/html/bug-gnu-emacs/2007-09/msg00060.html,
but no reply yet. )
YAMAMOTO Mitsuharu
mituharu@math.s.chiba-u.ac.jp
Index: src/alloc.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/alloc.c,v
retrieving revision 1.415
diff -c -p -r1.415 alloc.c
*** src/alloc.c 29 Aug 2007 05:27:51 -0000 1.415
--- src/alloc.c 14 Sep 2007 06:09:50 -0000
*************** void
*** 1356,1361 ****
--- 1356,1362 ----
uninterrupt_malloc ()
{
#ifdef HAVE_GTK_AND_PTHREAD
+ #ifdef DOUG_LEA_MALLOC
pthread_mutexattr_t attr;
/* GLIBC has a faster way to do this, but lets keep it portable.
*************** uninterrupt_malloc ()
*** 1363,1368 ****
--- 1364,1374 ----
pthread_mutexattr_init (&attr);
pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init (&alloc_mutex, &attr);
+ #else /* !DOUG_LEA_MALLOC */
+ /* Some systems such as Solaris 2.6 doesn't have a recursive mutex,
+ and the bundled gmalloc.c doesn't require it. */
+ pthread_mutex_init (&alloc_mutex, NULL);
+ #endif /* !DOUG_LEA_MALLOC */
#endif /* HAVE_GTK_AND_PTHREAD */
if (__free_hook != emacs_blocked_free)