[PATCH] [Sanitizers] Do not call internal_sigdelset() on non-Linux

[Viktor Kutuzov]

Hi kcc, samsonov,

http://reviews.llvm.org/D9220

Files:
  lib/sanitizer_common/sanitizer_linux.cc

Index: lib/sanitizer_common/sanitizer_linux.cc
===================================================================
--- lib/sanitizer_common/sanitizer_linux.cc
+++ lib/sanitizer_common/sanitizer_linux.cc
@@ -915,9 +915,11 @@
   // Start the thread with signals blocked, otherwise it can steal user signals.
   __sanitizer_sigset_t set, old;
   internal_sigfillset(&set);
+#if SANITIZER_LINUX
   // Glibc uses SIGSETXID signal during setuid call. If this signal is blocked
   // on any thread, setuid call hangs (see test/tsan/setuid.c).
   internal_sigdelset(&set, 33);
+#endif
   internal_sigprocmask(SIG_SETMASK, &set, &old);
   void *th;
   real_pthread_create(&th, 0, (void*(*)(void *arg))func, arg);

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