[Bug c++/13684] local static object variable constructed once but ctors and dtors called multiple times on same memory when called in multiple threads

["cvs-commit at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-09-01 16:58 -------
Subject: Bug 13684

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-rhl-branch
Changes by:	jakub@gcc.gnu.org	2004-09-01 16:58:05

Modified files:
	gcc            : ChangeLog c-common.c c-common.h c-opts.c c.opt 
	                 gthr-dce.h gthr-posix.h gthr-single.h 
	                 gthr-solaris.h gthr-vxworks.h gthr.h tsystem.h 
	gcc/cp         : ChangeLog cp-tree.h decl.c decl2.c tree.c 
	gcc/doc        : invoke.texi 
	libstdc++-v3   : ChangeLog 
	libstdc++-v3/libsupc++: guard.cc 

Log message:
	2004-08-27  Jason Merrill  <jason@redhat.com>
	
	PR c++/13684
	* cp/decl.c (expand_static_init): Use thread-safety API.
	(register_dtor_fn): Return the call, don't expand it.
	* cp/tree.c (add_stmt_to_compound): New fn.
	(stabilize_call): Use it.
	* c.opt (-fno-threadsafe-statics): New option.
	* c-opts.c (c_common_handle_option): Handle it.
	* c-common.h (flag_threadsafe_statics): Declare it.
	* c-common.c (flag_threadsafe_statics): Record it.
	* doc/invoke.texi: Document it.
	* tsystem.h (_GNU_SOURCE): Define.
	* gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
	(__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
	(__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
	(__gthread_recursive_mutex_init_function): New fn.
	(__gthread_recursive_mutex_lock): New fn.
	(__gthread_recursive_mutex_trylock): New fn.
	(__gthread_recursive_mutex_unlock): New fn.
	* gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
	* gthr-vxworks.h: Likewise.
	* gthr.h: Document.
	
	* libsupc++/guard.cc (static_mutex): Internal class implementing a
	recursive mutex which controls initialization of local statics.
	(__gnu_cxx::recursive_init): New exception class.
	(__cxa_guard_acquire): Deal with locking and recursion detection.
	(acquire_1, __cxa_guard_abort, __cxa_guard_release): Likewise.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=2.2326.2.399.2.36&r2=2.2326.2.399.2.37
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-common.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.476.4.6.2.3&r2=1.476.4.6.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-common.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.216.2.4&r2=1.216.2.4.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-opts.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.96.4.7.2.1&r2=1.96.4.7.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c.opt.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.17.12.2.2.1&r2=1.17.12.2.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gthr-dce.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.20&r2=1.20.28.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gthr-posix.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.27&r2=1.27.18.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gthr-single.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.12&r2=1.12.38.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gthr-solaris.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.15&r2=1.15.28.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gthr-vxworks.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.12&r2=1.12.28.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gthr.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.13&r2=1.13.28.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tsystem.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.11&r2=1.11.14.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.3892.2.99.2.10&r2=1.3892.2.99.2.11
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-tree.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.946.4.11.2.5&r2=1.946.4.11.2.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/decl.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.1174.2.19.2.6&r2=1.1174.2.19.2.7
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/decl2.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.695.4.7.2.3&r2=1.695.4.7.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/tree.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.360.4.5.2.3&r2=1.360.4.5.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/invoke.texi.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.390.2.24.2.6&r2=1.390.2.24.2.7
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.2224.2.77.2.8&r2=1.2224.2.77.2.9
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/libsupc++/guard.cc.diff?cvsroot=gcc&only_with_tag=gcc-3_4-rhl-branch&r1=1.1&r2=1.1.56.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13684