120   ASSERT_EQ(SIGALRM, signal_number);  in raise_in_signal_handler_helper()
123     raise(SIGALRM);  in raise_in_signal_handler_helper()
128   ScopedSignalHandler ssh(SIGALRM, raise_in_signal_handler_helper);  in TEST()
129   raise(SIGALRM);  in TEST()
133   ASSERT_EQ(SIGALRM, signal_number);  in HandleSIGALRM()
137   ScopedSignalHandler ssh(SIGALRM, HandleSIGALRM);  in TEST()
141   sigaddset(&wait_set, SIGALRM);  in TEST()
149   ASSERT_EQ(SIGALRM, received_signal);  in TEST()
162   sigaddset(&just_SIGALRM, SIGALRM);  in TEST()
166   ScopedSignalHandler ssh(SIGALRM, SigSuspendTestHelper);  in TEST()
177   raise(SIGALRM);  in TEST()
184     EXPECT_EQ((i == SIGALRM), sigismember(&pending, i));  in TEST()
190   sigdelset(&not_SIGALRM, SIGALRM);  in TEST()
213   ASSERT_EQ(0, sigaction(SIGALRM, NULL, &original_sa));  in TEST()
221   sigaddset(&sa.sa_mask, SIGALRM);  in TEST()
224   ASSERT_EQ(0, sigaction(SIGALRM, &sa, NULL));  in TEST()
228   ASSERT_EQ(0, sigaction(SIGALRM, NULL, &sa));  in TEST()
235   sigaddset(&sa.sa_mask, SIGALRM);  in TEST()
238   ASSERT_EQ(0, sigaction(SIGALRM, &sa, NULL));  in TEST()
242   ASSERT_EQ(0, sigaction(SIGALRM, NULL, &sa));  in TEST()
248   ASSERT_EQ(0, sigaction(SIGALRM, &original_sa, NULL));  in TEST()
286   ASSERT_EQ(SIGALRM, signum);  in SigqueueSignalHandler()
287   ASSERT_EQ(SIGALRM, info->si_signo);  in SigqueueSignalHandler()
294   ScopedSignalHandler ssh(SIGALRM, SigqueueSignalHandler, SA_SIGINFO);  in TEST()
298   ASSERT_EQ(0, sigqueue(getpid(), SIGALRM, sigval));  in TEST()
307   sigaddset(&just_SIGALRM, SIGALRM);  in TEST()
314   ASSERT_EQ(0, sigqueue(getpid(), SIGALRM, sigval));  in TEST()
319   ASSERT_EQ(SIGALRM, sigwaitinfo(&just_SIGALRM, &info));  in TEST()
321   ASSERT_EQ(SIGALRM, info.si_signo);  in TEST()
331   sigaddset(&just_SIGALRM, SIGALRM);  in TEST()
338   ASSERT_EQ(0, sigqueue(getpid(), SIGALRM, sigval));  in TEST()
346   ASSERT_EQ(SIGALRM, sigtimedwait(&just_SIGALRM, &info, &timeout));  in TEST()
363   sigaddset(&just_SIGALRM, SIGALRM);  in TEST()
441   ScopedSignalHandler sigalrm{SIGALRM};  in TEST()
442   ASSERT_EQ(0, sigignore(SIGALRM));  in TEST()
445   ASSERT_EQ(0, sigaction(SIGALRM, nullptr, &sa));  in TEST()
470   ScopedSignalHandler sigalrm{SIGALRM, sigalrm_handler};  in TEST()
475   ASSERT_EQ(0, sighold(SIGALRM));  in TEST()
477   EXPECT_TRUE(sigismember(&set, SIGALRM));  in TEST()
480   raise(SIGALRM);  in TEST()
483   ASSERT_EQ(-1, sigpause(SIGALRM));  in TEST()
489   EXPECT_TRUE(sigismember(&set, SIGALRM));  in TEST()
491   ASSERT_EQ(0, sigrelse(SIGALRM));  in TEST()
493   EXPECT_FALSE(sigismember(&set, SIGALRM));  in TEST()
504   ScopedSignalHandler sigalrm{SIGALRM, sigalrm_handler};  in TEST()
510   sigaddset(&sigalrm_set, SIGALRM);  in TEST()
514   ASSERT_EQ(SIG_HOLD, sigset(SIGALRM, sigalrm_handler));  in TEST()
516   EXPECT_FALSE(sigismember(&set, SIGALRM));  in TEST()
518   ASSERT_EQ(sigalrm_handler, sigset(SIGALRM, SIG_IGN));  in TEST()
520   EXPECT_FALSE(sigismember(&set, SIGALRM));  in TEST()
522   ASSERT_EQ(SIG_IGN, sigset(SIGALRM, SIG_DFL));  in TEST()
524   EXPECT_FALSE(sigismember(&set, SIGALRM));  in TEST()
526   ASSERT_EQ(SIG_DFL, sigset(SIGALRM, SIG_HOLD));  in TEST()
528   EXPECT_TRUE(sigismember(&set, SIGALRM));  in TEST()