Avoid race condition between compiler thread generating exception blob

and main thread generating adapters Signed-off-by: Ashutosh Mehra <asmehra@redhat.com>
ashu-mehra · Jan 10, 2025 · 28419f4 · 28419f4
1 parent 2c1c65c
commit 28419f4
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/hotspot/share/code/SCCache.cpp b/src/hotspot/share/code/SCCache.cpp
@@ -2489,6 +2489,8 @@ bool SCCache::store_exception_blob(CodeBuffer* buffer, int pc_offset) {
     buffer->decode();
   }
 #endif
+  // we need to take a lock to prevent race between compiler thread generating blob and the main thread generating adapter
+  MutexLocker ml(Compile_lock);
   if (!cache->align_write()) {
     return false;
   }