Fixing tsan errors in OpenSSL (#319)

- Added cross-platform implementation of gpr_thd_currentid();
- OpenSSL still shows some TSAN errors on OPENSSL_cleanse which is
  inherently not thread-safe but this should not matter:
  see
  http://stackoverflow.com/questions/26433772/why-does-openssl-cleanse-look-so-complex-and-thread-unsafe

1 files changed, 4 insertions, 0 deletions

diff --git a/src/core/support/thd_win32.c b/src/core/support/thd_win32.c
index 1762f87f3c..9378f91d21 100644
--- a/src/core/support/thd_win32.c
+++ b/src/core/support/thd_win32.c
@@ -77,4 +77,8 @@ gpr_thd_options gpr_thd_options_default(void) {
   return options;
 }
 
+gpr_thd_id gpr_thd_currentid(void) {
+  return (gpr_thd_id)GetCurrentThreadId();
+}
+
 #endif /* GPR_WIN32 */