Add getdtablecount(2)

This was taken from https://github.com/Duncaen/lobase

1 files changed, 26 insertions, 0 deletions

diff --git a/getdtablecount.c b/getdtablecount.c
new file mode 100644
index 0000000..5bfa5ed
--- /dev/null
+++ b/getdtablecount.c
@@ -0,0 +1,26 @@
+#include <sys/types.h>
+#include <dirent.h>
+#include "getdtablecount.h"
+
+#ifdef __linux__
+int
+getdtablecount(void)
+{
+	struct dirent *dp;
+	DIR *dir;
+	int n;
+
+	/* XXX: return something different? */
+	if (!(dir = opendir("/proc/self/fd")))
+		return 0;
+
+	n = 0;
+	while ((dp = readdir(dir)))
+		n++;
+
+	closedir(dir);
+	return n;
+}
+#else
+#error getdtablecount(2) not supported
+#endif