id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
3526	Data races in boost::thread detected by drd/helgrind	m.strashun@…	Anthony Williams	"OS: Ubuntu Jaunty, 64-bit

Valgrind version: 3.4.1

There are data races detected by valgrind tools drd and helgrind in boost::thread library examples. Problem appears in boost 1.37-1.40 at least and everything runs just fine in boost 1.34 (hard to test more versions, my work PC is not so fast and building takes a lot of time).

Test cases:

1) thread_group.cpp example from boost library

2) attached file, my own minimal test case that provoked exploration"	Bugs	closed	To Be Determined	thread	Boost Development Trunk	Regression	invalid	valgrind,drd,threading	bvanassche@…