tsan: intercept gettimeofday()
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@167630 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/tsan/rtl/tsan_interceptors.cc b/lib/tsan/rtl/tsan_interceptors.cc
index 5151af4..e8aa7d5 100644
--- a/lib/tsan/rtl/tsan_interceptors.cc
+++ b/lib/tsan/rtl/tsan_interceptors.cc
@@ -1365,6 +1365,12 @@
thr->in_signal_handler = false;
}
+TSAN_INTERCEPTOR(int, gettimeofday, void *tv, void *tz) {
+ SCOPED_TSAN_INTERCEPTOR(gettimeofday, tv, tz);
+ // It's intercepted merely to process pending signals.
+ return REAL(gettimeofday)(tv, tz);
+}
+
namespace __tsan {
void InitializeInterceptors() {
@@ -1492,6 +1498,7 @@
TSAN_INTERCEPT(sleep);
TSAN_INTERCEPT(usleep);
TSAN_INTERCEPT(nanosleep);
+ TSAN_INTERCEPT(gettimeofday);
atexit_ctx = new(internal_alloc(MBlockAtExit, sizeof(AtExitContext)))
AtExitContext();
diff --git a/lib/tsan/rtl/tsan_stat.cc b/lib/tsan/rtl/tsan_stat.cc
index 1eb02a5..d8fbd0c 100644
--- a/lib/tsan/rtl/tsan_stat.cc
+++ b/lib/tsan/rtl/tsan_stat.cc
@@ -197,6 +197,10 @@
name[StatInt_epoll_ctl] = " epoll_ctl ";
name[StatInt_epoll_wait] = " epoll_wait ";
name[StatInt_sigaction] = " sigaction ";
+ name[StatInt_sleep] = " sleep ";
+ name[StatInt_usleep] = " usleep ";
+ name[StatInt_nanosleep] = " nanosleep ";
+ name[StatInt_gettimeofday] = " gettimeofday ";
name[StatAnnotation] = "Dynamic annotations ";
name[StatAnnotateHappensBefore] = " HappensBefore ";
diff --git a/lib/tsan/rtl/tsan_stat.h b/lib/tsan/rtl/tsan_stat.h
index 16c43f1..3b81aca 100644
--- a/lib/tsan/rtl/tsan_stat.h
+++ b/lib/tsan/rtl/tsan_stat.h
@@ -203,6 +203,7 @@
StatInt_sleep,
StatInt_usleep,
StatInt_nanosleep,
+ StatInt_gettimeofday,
// Dynamic annotations.
StatAnnotation,
