From 177a9d76f99ce259598f85f99b1d2ecf77a7fdd2 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Sat, 3 Nov 2018 18:32:05 +0000
Subject: wallet: warn if lockable memory limit is too low

---
 src/common/util.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/common/util.cpp')

diff --git a/src/common/util.cpp b/src/common/util.cpp
index 43973c511..58b0d8210 100644
--- a/src/common/util.cpp
+++ b/src/common/util.cpp
@@ -728,6 +728,21 @@ std::string get_nix_version_display_string()
     return true;
   }
 
+  ssize_t get_lockable_memory()
+  {
+#ifdef __GLIBC__
+    struct rlimit rlim;
+    if (getrlimit(RLIMIT_MEMLOCK, &rlim) < 0)
+    {
+      MERROR("Failed to determine the lockable memory limit");
+      return -1;
+    }
+    return rlim.rlim_cur;
+#else
+    return -1;
+#endif
+  }
+
   bool on_startup()
   {
     mlog_configure("", true);
-- 
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