libglusterfs: annotate synctasks with ThreadSanitizer API

If --enable-tsan is specified and API headers are detected,
annotate synctask context initialization and context switch
with ThreadSanitizer API.

Change-Id: I7ac4085d7ed055448f1fc80df7d59905d129f186
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Fixes: #1400

1 files changed, 20 insertions, 0 deletions

diff --git a/libglusterfs/src/glusterfs/syncop.h b/libglusterfs/src/glusterfs/syncop.h
index 1a801a91444..4e9241a32fc 100644
--- a/libglusterfs/src/glusterfs/syncop.h
+++ b/libglusterfs/src/glusterfs/syncop.h
@@ -31,6 +31,11 @@
 #define SYNCOPCTX_PID 0x00000008
 #define SYNCOPCTX_LKOWNER 0x00000010
 
+#ifdef HAVE_TSAN_API
+/* Currently hardcoded within thread context maintained by the sanitizer. */
+#define TSAN_THREAD_NAMELEN 64
+#endif
+
 struct synctask;
 struct syncproc;
 struct syncenv;
@@ -71,6 +76,13 @@ struct synctask {
     uid_t uid;
     gid_t gid;
 
+#ifdef HAVE_TSAN_API
+    struct {
+        void *fiber;
+        char name[TSAN_THREAD_NAMELEN];
+    } tsan;
+#endif
+
     ucontext_t ctx;
     struct syncproc *proc;
 
@@ -83,6 +95,14 @@ struct synctask {
 
 struct syncproc {
     pthread_t processor;
+
+#ifdef HAVE_TSAN_API
+    struct {
+        void *fiber;
+        char name[TSAN_THREAD_NAMELEN];
+    } tsan;
+#endif
+
     ucontext_t sched;
     struct syncenv *env;
     struct synctask *current;