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| author | Nick Foster <nick@nerdnetworks.org> | 2010-10-01 16:08:37 -0700 |
|---|---|---|
| committer | Nick Foster <nick@nerdnetworks.org> | 2010-10-01 16:08:37 -0700 |
| commit | bd3bd0dfbc1a87af5839c9b23450434cfb9c763c (patch) | |
| tree | 6745a05ae81f48ebd3e0f9eb9493bb63835eb87b /host | |
| parent | a772f4536e46227df3301c637927c3fbfb69a08d (diff) | |
| download | uhd-bd3bd0dfbc1a87af5839c9b23450434cfb9c763c.tar.gz uhd-bd3bd0dfbc1a87af5839c9b23450434cfb9c763c.tar.bz2 uhd-bd3bd0dfbc1a87af5839c9b23450434cfb9c763c.zip | |
UHD: added mutex to fix race condition in device enumeration.
Diffstat (limited to 'host')
| -rw-r--r-- | host/lib/transport/libusb1_base.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/host/lib/transport/libusb1_base.cpp b/host/lib/transport/libusb1_base.cpp index 910b04fc8..1dd0b48e8 100644 --- a/host/lib/transport/libusb1_base.cpp +++ b/host/lib/transport/libusb1_base.cpp @@ -35,7 +35,9 @@ public: libusb_session_impl(void){ UHD_ASSERT_THROW(libusb_init(&_context) == 0); libusb_set_debug(_context, debug_level); + _mutex.lock(); _thread_group.create_thread(boost::bind(&libusb_session_impl::run_event_loop, this)); + _mutex.lock(); } ~libusb_session_impl(void){ @@ -52,11 +54,13 @@ private: libusb_context *_context; boost::thread_group _thread_group; bool _running; + boost::mutex _mutex; void run_event_loop(void){ set_thread_priority_safe(); _running = true; timeval tv; + _mutex.unlock(); while(_running){ tv.tv_sec = 0; tv.tv_usec = 100000; //100ms |