[Openmp-commits] [PATCH] D90974: Fixes for shared memory cleanup when aborts occur

Todd Erdner via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Fri Nov 6 14:15:06 PST 2020


terdner created this revision.
terdner added reviewers: jlpeyton, AndreyChurbanov, tlwilmar, hbae.
terdner added a project: OpenMP.
terdner requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added a subscriber: sstefan1.

We found a few cases that didn't properly clean up shared memory for openmp RTL registration when aborts occurred.  This patch fixes those cases.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D90974

Files:
  openmp/runtime/src/kmp_runtime.cpp


Index: openmp/runtime/src/kmp_runtime.cpp
===================================================================
--- openmp/runtime/src/kmp_runtime.cpp
+++ openmp/runtime/src/kmp_runtime.cpp
@@ -441,6 +441,7 @@
     raise(SIGABRT);
     _exit(3); // Just in case, if signal ignored, exit anyway.
   } else {
+    __kmp_unregister_library();
     abort();
   }
 
@@ -6170,6 +6171,7 @@
       if (__kmp_root[gtid]->r.r_active) {
         __kmp_global.g.g_abort = -1;
         TCW_SYNC_4(__kmp_global.g.g_done, TRUE);
+        __kmp_unregister_library();
         KA_TRACE(10,
                  ("__kmp_internal_end_library: root still active, abort T#%d\n",
                   gtid));


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