Merge pull request #4790

177a9d76 wallet: warn if lockable memory limit is too low (moneromooo-monero)

2 files changed, 17 insertions, 0 deletions

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);
diff --git a/src/common/util.h b/src/common/util.h
index e793a42b5..1c5c5f4e7 100644
--- a/src/common/util.h
+++ b/src/common/util.h
@@ -221,6 +221,8 @@ namespace tools
 
   void set_strict_default_file_permissions(bool strict);
 
+  ssize_t get_lockable_memory();
+
   void set_max_concurrency(unsigned n);
   unsigned get_max_concurrency();