Try to prevent OS X from sleeping during DCP encode.

[dcpomatic.git] / src / lib / cross.h

diff --git a/src/lib/cross.h b/src/lib/cross.h
index 822b36631d604343a94c5b5a03f48b75d8aa31cf..1c77545033fdb0c7e2ee17db2a297b9e8100659f 100644 (file)
--- a/src/lib/cross.h
+++ b/src/lib/cross.h
@@ -17,7 +17,13 @@
 
 */
 
 
 */
 

+#ifndef DCPOMATIC_CROSS_H
+#define DCPOMATIC_CROSS_H
+

 #include <boost/filesystem.hpp>
 #include <boost/filesystem.hpp>

+#ifdef DCPOMATIC_OSX
+#include <IOKit/pwr_mgt/IOPMLib.h>
+#endif

 
 #ifdef DCPOMATIC_WINDOWS
 #define WEXITSTATUS(w) (w)
 
 #ifdef DCPOMATIC_WINDOWS
 #define WEXITSTATUS(w) (w)


@@ -35,4 +41,23 @@ extern boost::filesystem::path app_contents ();
 #endif
 extern FILE * fopen_boost (boost::filesystem::path, std::string);
 extern int dcpomatic_fseek (FILE *, int64_t, int);
 #endif
 extern FILE * fopen_boost (boost::filesystem::path, std::string);
 extern int dcpomatic_fseek (FILE *, int64_t, int);

-void kick ();
+
+/** A class which tries to keep the computer awake on various operating systems.
+ *  Create a Waker to prevent sleep, and call ::nudge every so often (every minute or so).
+ *  Destroy the Waker to allow sleep again.
+ */
+class Waker
+{
+public:
+       Waker ();
+       ~Waker ();
+
+       void nudge ();
+
+private:
+#ifdef DCPOMATIC_OSX
+       IOPMAssertionID _assertion_id;
+#endif
+};
+
+#endif