[compiler-rt] r317361 - Disable detection of on_exit()/TSan on NetBSD

[Kamil Rytarowski via llvm-commits]

Author: kamil
Date: Fri Nov  3 13:39:51 2017
New Revision: 317361

URL: http://llvm.org/viewvc/llvm-project?rev=317361&view=rev
Log:
Disable detection of on_exit()/TSan on NetBSD

Summary:
NetBSD does not ship with on_exit() function.

Introduce TSAN_MAYBE_INTERCEPT_ON_EXIT.
It looks like this addition fixes build for Darwin.

Sponsored by <The NetBSD Foundation>

Reviewers: vitalybuka, joerg, eugenis, dvyukov, kcc

Reviewed By: vitalybuka

Subscribers: llvm-commits, kubamracek, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D39617

Modified:
    compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc?rev=317361&r1=317360&r2=317361&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc Fri Nov  3 13:39:51 2017
@@ -435,7 +435,7 @@ static int setup_at_exit_wrapper(ThreadS
   return res;
 }
 
-#if !SANITIZER_MAC
+#if !SANITIZER_MAC && !SANITIZER_NETBSD
 static void on_exit_wrapper(int status, void *arg) {
   ThreadState *thr = cur_thread();
   uptr pc = 0;
@@ -460,6 +460,9 @@ TSAN_INTERCEPTOR(int, on_exit, void(*f)(
   ThreadIgnoreEnd(thr, pc);
   return res;
 }
+#define TSAN_MAYBE_INTERCEPT_ON_EXIT TSAN_INTERCEPT(on_exit)
+#else
+#define TSAN_MAYBE_INTERCEPT_ON_EXIT
 #endif
 
 // Cleanup old bufs.
@@ -2605,7 +2608,7 @@ void InitializeInterceptors() {
 #if !SANITIZER_ANDROID
   TSAN_INTERCEPT(dl_iterate_phdr);
 #endif
-  TSAN_INTERCEPT(on_exit);
+  TSAN_MAYBE_INTERCEPT_ON_EXIT;
   TSAN_INTERCEPT(__cxa_atexit);
   TSAN_INTERCEPT(_exit);