From 4d9e824639282fe0c263b3e29c25cba549673e85 Mon Sep 17 00:00:00 2001
From: "Thiago Marcos P. Santos" <thiago@mapbox.com>
Date: Thu, 14 Jul 2016 19:57:02 +0300
Subject: [PATCH] [core] Trim thread name on Linux to 16 bytes

That is a hard limit, if you set a string bigger than that, it
doesn't get set.
---
 platform/default/thread.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/platform/default/thread.cpp b/platform/default/thread.cpp
index d398bc926..a217bc73f 100644
--- a/platform/default/thread.cpp
+++ b/platform/default/thread.cpp
@@ -26,7 +26,11 @@ void setCurrentThreadName(const std::string& name) {
     pthread_setname_np(name.c_str());
 #elif defined(__GLIBC__) && defined(__GLIBC_PREREQ)
 #if __GLIBC_PREREQ(2, 12)
-    pthread_setname_np(pthread_self(), name.c_str());
+    if (name.size() > 15) { // Linux hard limit (see manpages).
+        pthread_setname_np(pthread_self(), name.substr(0, 15).c_str());
+    } else {
+        pthread_setname_np(pthread_self(), name.c_str());
+    }
 #endif
 #endif
     (void)name;