---------- code ----------------
#include <cstdio>
#include <thread>
using namespace std;
void f()
{
fputs("f()\n", stderr);
}
int main()
{
fputs("before new thread\n", stderr);
thread t(f);
fputs("after new thread\n", stderr);
t.join();
fputs("after join\n", stderr);
return 0;
}
---------- system information ----------------
uname -a:
Linux nuty 2.6.33-rc2-zen1-zen-nuty-07221-g526ecd7 #4 ZEN PREEMPT Sun Jan 10
23:33:42 CET 2010 i686 Intel(R) Pentium(R) M processor 1.40GHz GenuineIntel
GNU/Linux
gcc --version:
gcc (GCC) 4.4.2 20091208 (prerelease)
Copyright (C) 2009 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
---------- complier arguments ----------------
$ g++ -std=c++0x -pthread thread.cc -o thread
---------- output ----------------
before new thread
after new thread
pure virtual method called
terminate called without an active exception
---------- gdb run ----------------
(gdb) r
Starting program: /tmp/thread
[Thread debugging using libthread_db enabled]
before new thread
[New Thread 0xb7d30b70 (LWP 5676)]
after new thread
pure virtual method called
terminate called without an active exception
Program received signal SIGABRT, Aborted.
[Switching to Thread 0xb7d30b70 (LWP 5676)]
0xb7fe1424 in __kernel_vsyscall ()
(gdb) bt
#0 0xb7fe1424 in __kernel_vsyscall ()
#1 0xb7d5c571 in raise () from /lib/libc.so.6
#2 0xb7d5dd72 in abort () from /lib/libc.so.6
#3 0xb7f9352f in __gnu_cxx::__verbose_terminate_handler() () from
/usr/lib/libstdc++.so.6
#4 0xb7f90eb5 in __cxxabiv1::__terminate(void (*)()) () from
/usr/lib/libstdc++.so.6
#5 0xb7f90ef2 in std::terminate() () from /usr/lib/libstdc++.so.6
#6 0xb7f92155 in __cxa_pure_virtual () from /usr/lib/libstdc++.so.6
#7 0xb7f89c16 in execute_native_thread_routine () from /usr/lib/libstdc++.so.6
#8 0xb7e7f8ac in start_thread () from /lib/libpthread.so.0
#9 0xb7e0001e in clone () from /lib/libc.so.6
(gdb) info threads
* 2 Thread 0xb7d30b70 (LWP 5676) 0xb7fe1424 in __kernel_vsyscall ()
1 Thread 0xb7d316d0 (LWP 5673) 0xb7fe1424 in __kernel_vsyscall ()
(gdb) thread 1
[Switching to thread 1 (Thread 0xb7d316d0 (LWP 5673))]#0 0xb7fe1424 in
__kernel_vsyscall ()
(gdb) bt
#0 0xb7fe1424 in __kernel_vsyscall ()
#1 0xb7e80a3d in pthread_join () from /lib/libpthread.so.0
#2 0xb7f89b22 in std::thread::join() () from /usr/lib/libstdc++.so.6
#3 0x08048b30 in main () at thread.cc:16
(gdb)
--
Summary: trivial use of std::thread fails with "pure virtual
method called"
Product: gcc
Version: 4.4.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: phil at nwl dot cc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42734
