From 7130cf0c61e259ee6d8479cd804e9284cf6859f6 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Tue, 3 Oct 2017 10:12:57 +0100
Subject: Add tools::on_startup, and warn about glibc 2.25 bug if found

https://sourceware.org/bugzilla/show_bug.cgi?id=21778
---
 src/common/util.cpp | 15 +++++++++++++++
 src/common/util.h   |  2 ++
 2 files changed, 17 insertions(+)

(limited to 'src/common')

diff --git a/src/common/util.cpp b/src/common/util.cpp
index 74a6babf1..30746f680 100644
--- a/src/common/util.cpp
+++ b/src/common/util.cpp
@@ -30,6 +30,10 @@
 
 #include <cstdio>
 
+#ifdef __GLIBC__
+#include <gnu/libc-version.h>
+#endif
+
 #include "include_base_utils.h"
 #include "file_io_utils.h"
 using namespace epee;
@@ -536,6 +540,17 @@ std::string get_nix_version_display_string()
     }
     return false;
   }
+  bool on_startup()
+  {
+    sanitize_locale();
+
+#ifdef __GLIBC__
+    const char *ver = gnu_get_libc_version();
+    if (!strcmp(ver, "2.25"))
+      MCLOG_RED(el::Level::Warning, "global", "Running with glibc " << ver << ", hangs may occur - change glibc version if possible");
+#endif
+    return true;
+  }
   void set_strict_default_file_permissions(bool strict)
   {
 #if defined(__MINGW32__) || defined(__MINGW__)
diff --git a/src/common/util.h b/src/common/util.h
index 48bdbbc28..2e4d6e917 100644
--- a/src/common/util.h
+++ b/src/common/util.h
@@ -129,6 +129,8 @@ namespace tools
 
   bool sanitize_locale();
 
+  bool on_startup();
+
   /*! \brief Defines a signal handler for win32 and *nix
    */
   class signal_handler
-- 
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