More error reporting with munmap

shiztong · Jun 21, 2019 · b65b7b1 · b65b7b1
1 parent 2e7e954
commit b65b7b1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/util/mmap.cc b/util/mmap.cc
@@ -142,7 +142,7 @@ void UnmapOrThrow(void *start, size_t length) {
 #if defined(_WIN32) || defined(_WIN64)
   UTIL_THROW_IF(!::UnmapViewOfFile(start), ErrnoException, "Failed to unmap a file");
 #else
-  UTIL_THROW_IF(munmap(start, length), ErrnoException, "munmap failed");
+  UTIL_THROW_IF(munmap(start, length), ErrnoException, "munmap failed with " << start << " for length " << length);
 #endif
 }