Alexander Kabaev wrote:
On Wed, 15 Sep 2010 02:56:33 +0000 (UTC)
David Xu <davi...@freebsd.org> wrote:
Author: davidxu
Date: Wed Sep 15 02:56:32 2010
New Revision: 212630
URL: http://svn.freebsd.org/changeset/base/212630
Log:
add code to support stack unwinding when thread exits. note that
only defer-mode cancellation works, asynchrnous mode does not work
because it lacks of libuwind's support. stack unwinding is not
enabled unless LIBTHR_UNWIND_STACK is defined in Makefile.
Modified:
head/lib/libthr/Makefile
head/lib/libthr/thread/thr_clean.c
head/lib/libthr/thread/thr_create.c
head/lib/libthr/thread/thr_exit.c
head/lib/libthr/thread/thr_init.c
head/lib/libthr/thread/thr_private.h
Modified: head/lib/libthr/Makefile
==============================================================================
--- head/lib/libthr/Makefile Wed Sep 15 01:21:30 2010
(r212629) +++ head/lib/libthr/Makefile Wed Sep 15 02:56:32
2010 (r212630) @@ -25,6 +25,14 @@
CFLAGS+=-I${.CURDIR}/../../libexec/rtld-
CFLAGS+=-I${.CURDIR}/../../libexec/rtld-elf/${MACHINE_CPUARCH}
CFLAGS+=-I${.CURDIR}/../libthread_db CFLAGS+=-Winline
+
+LIBTHR_UNWIND_STACK=yes
+
+.ifdef LIBTHR_UNWIND_STACK
+CFLAGS+=-I${.CURDIR}/../../contrib/gcc -fexceptions
+CFLAGS+=-D_PTHREAD_FORCED_UNWIND
+.endif
+
Reaching into bowels of GCC like that is never good.
Any solution ? ;-)
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