[PATCH] D47677: [TSan] FreeBSD / intercept thr_exit

[David CARLIER via Phabricator via llvm-commits]

devnexen created this revision.
devnexen added reviewers: krytarowski, vitalybuka, emaste.
Herald added subscribers: Sanitizers, llvm-commits, kubamracek.

intercepting thr_exit to terminate threads under FreeBSD.
Unblock few unit tests hanging.


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D47677

Files:
  lib/tsan/rtl/tsan_interceptors.cc


Index: lib/tsan/rtl/tsan_interceptors.cc
===================================================================
--- lib/tsan/rtl/tsan_interceptors.cc
+++ lib/tsan/rtl/tsan_interceptors.cc
@@ -2538,6 +2538,17 @@
 #define TSAN_MAYBE_INTERCEPT__LWP_EXIT
 #endif
 
+#if SANITIZER_FREEBSD
+TSAN_INTERCEPTOR(void, thr_exit, tid_t *state) {
+  SCOPED_TSAN_INTERCEPTOR(thr_exit, state);
+  DestroyThreadState();
+  REAL(thr_exit(state));
+}
+#define TSAN_MAYBE_INTERCEPT_THR_EXIT TSAN_INTERCEPT(thr_exit)
+#else
+#define TSAN_MAYBE_INTERCEPT_THR_EXIT
+#endif
+
 TSAN_INTERCEPTOR_NETBSD_ALIAS(int, cond_init, void *c, void *a);
 TSAN_INTERCEPTOR_NETBSD_ALIAS(int, cond_signal, void *c);
 TSAN_INTERCEPTOR_NETBSD_ALIAS(int, cond_broadcast, void *c);
@@ -2730,6 +2741,7 @@
 #endif
 
   TSAN_MAYBE_INTERCEPT__LWP_EXIT;
+  TSAN_MAYBE_INTERCEPT_THR_EXIT;
 
 #if !SANITIZER_MAC && !SANITIZER_ANDROID
   // Need to setup it, because interceptors check that the function is resolved.


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D47677.149617.patch
Type: text/x-patch
Size: 964 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20180602/49062c0b/attachment.bin>