From d9cecd6e42d7503b9fe2592ab6d016d5d5832014 Mon Sep 17 00:00:00 2001
From: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Date: Mon, 3 Jul 2023 16:45:00 -0400
Subject: [PATCH] print errno whenever dumping heap profile fails for some
 reason

Refers to issue #1116
---
 src/heap-profiler.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/heap-profiler.cc b/src/heap-profiler.cc
index 38231d2..39a809b 100644
--- a/src/heap-profiler.cc
+++ b/src/heap-profiler.cc
@@ -240,7 +240,7 @@ static void DumpProfileLocked(const char* reason) {
   // a memory lock now.
   RawFD fd = RawOpenForWriting(file_name);
   if (fd == kIllegalRawFD) {
-    RAW_LOG(ERROR, "Failed dumping heap profile to %s", file_name);
+    RAW_LOG(ERROR, "Failed dumping heap profile to %s. Numeric errno is %d", file_name, errno);
     dumping = false;
     return;
   }