[tsan] Add comments for the bool argument of ThreadIgnoreBegin/ThreadIgnoreSyncBegin, NFC.

kubamracek · kubamracek · commit 7cd7c1a7b50a · 2017-07-10T15:37:13.000Z
Differential Revision: https://reviews.llvm.org/D35134 llvm-svn: 307545
diff --git a/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc b/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
@@ -261,7 +261,7 @@ ScopedInterceptor::~ScopedInterceptor() {
 
 void ScopedInterceptor::EnableIgnores() {
   if (ignoring_) {
-    ThreadIgnoreBegin(thr_, pc_, false);
+    ThreadIgnoreBegin(thr_, pc_, /*save_stack=*/false);
     if (flags()->ignore_noninstrumented_modules) thr_->suppress_reports++;
     if (in_ignored_lib_) {
       DCHECK(!thr_->in_ignored_lib);
diff --git a/compiler-rt/lib/tsan/rtl/tsan_interface_ann.cc b/compiler-rt/lib/tsan/rtl/tsan_interface_ann.cc
@@ -483,8 +483,8 @@ void __tsan_mutex_pre_lock(void *m, unsigned flagz) {
     else
       MutexPreLock(thr, pc, (uptr)m);
   }
-  ThreadIgnoreBegin(thr, pc, false);
-  ThreadIgnoreSyncBegin(thr, pc, false);
+  ThreadIgnoreBegin(thr, pc, /*save_stack=*/false);
+  ThreadIgnoreSyncBegin(thr, pc, /*save_stack=*/false);
 }
 
 INTERFACE_ATTRIBUTE
@@ -510,8 +510,8 @@ int __tsan_mutex_pre_unlock(void *m, unsigned flagz) {
   } else {
     ret = MutexUnlock(thr, pc, (uptr)m, flagz);
   }
-  ThreadIgnoreBegin(thr, pc, false);
-  ThreadIgnoreSyncBegin(thr, pc, false);
+  ThreadIgnoreBegin(thr, pc, /*save_stack=*/false);
+  ThreadIgnoreSyncBegin(thr, pc, /*save_stack=*/false);
   return ret;
 }
 
@@ -525,8 +525,8 @@ void __tsan_mutex_post_unlock(void *m, unsigned flagz) {
 INTERFACE_ATTRIBUTE
 void __tsan_mutex_pre_signal(void *addr, unsigned flagz) {
   SCOPED_ANNOTATION(__tsan_mutex_pre_signal);
-  ThreadIgnoreBegin(thr, pc, false);
-  ThreadIgnoreSyncBegin(thr, pc, false);
+  ThreadIgnoreBegin(thr, pc, /*save_stack=*/false);
+  ThreadIgnoreSyncBegin(thr, pc, /*save_stack=*/false);
 }
 
 INTERFACE_ATTRIBUTE
@@ -547,7 +547,7 @@ void __tsan_mutex_pre_divert(void *addr, unsigned flagz) {
 INTERFACE_ATTRIBUTE
 void __tsan_mutex_post_divert(void *addr, unsigned flagz) {
   SCOPED_ANNOTATION(__tsan_mutex_post_divert);
-  ThreadIgnoreBegin(thr, pc, false);
-  ThreadIgnoreSyncBegin(thr, pc, false);
+  ThreadIgnoreBegin(thr, pc, /*save_stack=*/false);
+  ThreadIgnoreSyncBegin(thr, pc, /*save_stack=*/false);
 }
 }  // extern "C"
