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-rw-r--r--src/linux/getdtablesize.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/linux/getdtablesize.c b/src/linux/getdtablesize.c
new file mode 100644
index 00000000..623a6af3
--- /dev/null
+++ b/src/linux/getdtablesize.c
@@ -0,0 +1,9 @@
+#include <limits.h>
+#include <sys/resource.h>
+
+int getdtablesize(void)
+{
+ struct rlimit rl;
+ getrlimit(RLIMIT_NOFILE, &rl);
+ return rl.rlim_max < INT_MAX ? rl.rlim_max : INT_MAX;
+}