309   uint64_t sigset = 0;  in ClearSignalMask()  local
310   SignalSetAdd(&sigset, __SIGRTMIN);  in ClearSignalMask()
311   if (syscall(__NR_rt_sigprocmask, SIG_SETMASK, &sigset, nullptr, sizeof(sigset)) != 0) {  in ClearSignalMask()
317   uint64_t sigset = ~0ULL;  in FillSignalMask()  local
319     SignalSetDel(&sigset, signo);  in FillSignalMask()
321   if (syscall(__NR_rt_sigprocmask, SIG_SETMASK, &sigset, nullptr, sizeof(sigset)) != 0) {  in FillSignalMask()
327   uint64_t sigset;  in GetSignalMask()  local
328   if (syscall(__NR_rt_sigprocmask, SIG_SETMASK, nullptr, &sigset, sizeof(sigset)) != 0) {  in GetSignalMask()
331   return sigset;  in GetSignalMask()
334 static void TestSignalMaskFiltered(uint64_t sigset) {  in TestSignalMaskFiltered()  argument
337     bool signal_blocked = sigset & (1ULL << (signo - 1));  in TestSignalMaskFiltered()
347   UNUSED(sigset);  in TestSignalMaskFiltered()
359   static uint64_t sigset;  in TEST()  local
361   sa.sa_handler = [](int) { sigset = GetSignalMask(); };  in TEST()
374   ASSERT_EQ(static_cast<uint64_t>(expected_sigset), sigset);  in TEST()
379   static uint64_t sigset;  in TEST()  local
381   sa.sa_handler = [](int) { sigset = GetSignalMask(); };  in TEST()
393   ASSERT_EQ(expected_sigset, sigset);  in TEST()
509       sigset(i, SIG_HOLD);  in TEST()
901   ASSERT_EQ(SIG_ERR, sigset(99999, SIG_DFL));  in TEST()
911   ASSERT_EQ(signal_handler, sigset(SIGRTMIN, SIG_HOLD));  in TEST()
918   ASSERT_EQ(SIG_HOLD, sigset(SIGRTMIN, signal_handler));  in TEST()
919   ASSERT_EQ(signal_handler, sigset(SIGRTMIN, signal_handler));  in TEST()
925 TEST(signal, sigset) {  in TEST()  argument
942   ASSERT_EQ(SIG_HOLD, sigset(SIGALRM, signal_handler));  in TEST()
946   ASSERT_EQ(signal_handler, sigset(SIGALRM, SIG_IGN));  in TEST()
950   ASSERT_EQ(SIG_IGN, sigset(SIGALRM, SIG_DFL));  in TEST()
954   ASSERT_EQ(SIG_DFL, sigset(SIGALRM, SIG_HOLD));  in TEST()