threads: handle pthread_create() errors

This doesn't try to cleanup anything on the failures, basically
assuming they're always fatal and the process will exit.

Previously no pthread_create() errors were noticed at all, which
could result in some very strange failure modes.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/rmd.c b/src/rmd.c
index 64addd4..b3a1af2 100644
--- a/src/rmd.c
+++ b/src/rmd.c
@@ -150,7 +150,8 @@ int main(int argc, char **argv)
 	}
 
 	//this is where the capturing happens.
-	rmdThreads(&pdata);
+	if (rmdThreads(&pdata))
+		return 1;
 
 	XCloseDisplay(pdata.dpy);
 	fprintf(stderr, ".\n");