1 files changed, 11 insertions, 0 deletions
diff --git a/src/legacy/getdtablesize.c b/src/legacy/getdtablesize.c
new file mode 100644
index 0000000..b30c193
--- /dev/null
+++ b/src/legacy/getdtablesize.c
@@ -0,0 +1,11 @@
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <limits.h>
+#include <sys/resource.h>
+
+int getdtablesize(void)
+{
+	struct rlimit rl;
+	getrlimit(RLIMIT_NOFILE, &rl);
+	return rl.rlim_cur < INT_MAX ? rl.rlim_cur : INT_MAX;
+}