40 static sigset_t sigset4;
135   sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset4);  in sighandler()
146   volatile sigset_t sigset1, sigset2, sigset3;  in main()
156   sigemptyset ((sigset_t *) &sigset1);  in main()
157   sigaddset ((sigset_t *) &sigset1, SIGUSR1);  in main()
158   sigemptyset ((sigset_t *) &sigset2);  in main()
159   sigaddset ((sigset_t *) &sigset2, SIGUSR2);  in main()
169   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
172       sigemptyset ((sigset_t *) &sigset3);  in main()
173       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
174       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset2,  in main()
175 		  sizeof (sigset_t)) != 0)  in main()
185       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()
190   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
193       sigemptyset ((sigset_t *) &sigset3);  in main()
194       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
195       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset1,  in main()
196 		  sizeof (sigset_t)) != 0)  in main()
207       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()
212   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
215       sigemptyset ((sigset_t *) &sigset3);  in main()
216       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
217       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset2,  in main()
218 		  sizeof (sigset_t)) != 0)  in main()
229       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()
234   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
237       sigemptyset ((sigset_t *) &sigset3);  in main()
238       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
239       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset1,  in main()
240 		  sizeof (sigset_t)) != 0)  in main()
251       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()
258   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
261       sigemptyset ((sigset_t *) &sigset3);  in main()
262       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
263       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset4,  in main()
264 		  sizeof (sigset_t)) != 0)  in main()
275       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()