tsan: prevent recursive signal handlers

llvm-svn: 157625
2012-05-29 15:51:27 +00:00 · 2012-05-29 15:51:27 +00:00 · 92d917d91c
parent 312b28ce9d
commit 92d917d91c
1 changed files with 1 additions and 0 deletions
--- a/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
@ -1256,6 +1256,7 @@ TSAN_INTERCEPTOR(int, sigaction, int sig, sigaction_t *act, sigaction_t *old) {
    return 0;
  sigactions[sig] = *act;
  sigaction_t newact = *act;
+  sigfillset(&newact.sa_mask);
  if (act->sa_handler != SIG_IGN && act->sa_handler != SIG_DFL) {
    if (newact.sa_flags & SA_SIGINFO)
      newact.sa_sigaction = rtl_sigaction;