X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fcross.cc;h=dcd4ddfd884b695ee2af4360605f4952702b2fce;hb=4cb18d1e0b8fdedf6bb38e1d4187a2d782957022;hp=1b83bad7c6dca9a02cf9696eccf8c8834f0fa8b7;hpb=dfd42d2a546d14c32057a34002543877ea2f99cb;p=dcpomatic.git

diff --git a/src/lib/cross.cc b/src/lib/cross.cc
index 1b83bad7c..dcd4ddfd8 100644
--- a/src/lib/cross.cc
+++ b/src/lib/cross.cc
@@ -337,6 +337,7 @@ void
 Waker::nudge ()
 {
 #ifdef DCPOMATIC_WINDOWS
+	boost::mutex::scoped_lock lm (_mutex);
 	SetThreadExecutionState (ES_SYSTEM_REQUIRED);
 #endif
 }
@@ -344,6 +345,7 @@ Waker::nudge ()
 Waker::Waker ()
 {
 #ifdef DCPOMATIC_OSX
+	boost::mutex::scoped_lock lm (_mutex);
 	/* We should use this */
         // IOPMAssertionCreateWithName (kIOPMAssertionTypeNoIdleSleep, kIOPMAssertionLevelOn, CFSTR ("Encoding DCP"), &_assertion_id);
 	/* but it's not available on 10.5, so we use this */
@@ -354,6 +356,7 @@ Waker::Waker ()
 Waker::~Waker ()
 {
 #ifdef DCPOMATIC_OSX
+	boost::mutex::scoped_lock lm (_mutex);
 	IOPMAssertionRelease (_assertion_id);
 #endif
 }