Set names for the pipeline threads

src/process_pipeline.c

@@ -17,6 +17,7 @@
 #include "gl_util.h"
 #include "libdng.h"
 #include <sys/mman.h>
+#include <sys/prctl.h>
 
 static const float colormatrix_srgb[] = { 3.2409f,  -1.5373f, -0.4986f,
                                           -0.9692f, 1.8759f,  0.0415f,
@@ -151,6 +152,7 @@ setup(MPPipeline *pipeline, const void *data)
 {
         libdng_init();
         settings = g_settings_new(APP_ID);
+        prctl(PR_SET_NAME, "megapixels-pr", NULL, NULL, NULL);
 }
 
 void