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-rw-r--r--libthreads/lockfile.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libthreads/lockfile.c b/libthreads/lockfile.c
index eeb1a2f3..dbb7c6c8 100644
--- a/libthreads/lockfile.c
+++ b/libthreads/lockfile.c
@@ -17,6 +17,9 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#define _IO_MTSAFE_IO
+#define IS_IN(lib) 0
+
#include <cthreads.h> /* Must come before <stdio.h>! */
#include <stdio.h>