[PATCH] D25859: [tsan] Expose __tsan_ignore_thread_begin and __tsan_ignore_thread_end in TSan interface

[Anna Zaks via llvm-commits]

zaks.anna updated this revision to Diff 76666.
zaks.anna added a comment.

Split out the test file into a separate patch. The test file has been updated to contain more tests and use TSan test barriers. It's submitted for review at https://reviews.llvm.org/D26228.


https://reviews.llvm.org/D25859

Files:
  lib/tsan/rtl/tsan_interface.h
  lib/tsan/rtl/tsan_interface_inl.h


Index: lib/tsan/rtl/tsan_interface_inl.h
===================================================================
--- lib/tsan/rtl/tsan_interface_inl.h
+++ lib/tsan/rtl/tsan_interface_inl.h
@@ -108,6 +108,14 @@
   FuncExit(cur_thread());
 }
 
+void __tsan_ignore_thread_begin() {
+  ThreadIgnoreBegin(cur_thread(), CALLERPC);
+}
+
+void __tsan_ignore_thread_end() {
+  ThreadIgnoreEnd(cur_thread(), CALLERPC);
+}
+
 void __tsan_read_range(void *addr, uptr size) {
   MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
 }
Index: lib/tsan/rtl/tsan_interface.h
===================================================================
--- lib/tsan/rtl/tsan_interface.h
+++ lib/tsan/rtl/tsan_interface.h
@@ -73,6 +73,9 @@
 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_func_entry(void *call_pc);
 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_func_exit();
 
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_ignore_thread_begin();
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_ignore_thread_end();
+
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_read_range(void *addr, unsigned long size);  // NOLINT
 SANITIZER_INTERFACE_ATTRIBUTE


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