40 static sigset_t sigset4;
135   sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset4);  in sighandler()
146   volatile sigset_t sigset1, sigset2, sigset3;  in main()
152   sigemptyset ((sigset_t *) &sigset1);  in main()
153   sigaddset ((sigset_t *) &sigset1, SIGUSR1);  in main()
154   sigemptyset ((sigset_t *) &sigset2);  in main()
155   sigaddset ((sigset_t *) &sigset2, SIGUSR2);  in main()
165   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
168       sigemptyset ((sigset_t *) &sigset3);  in main()
169       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
170       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset2,  in main()
171 		  sizeof (sigset_t)) != 0)  in main()
181       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()
186   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
189       sigemptyset ((sigset_t *) &sigset3);  in main()
190       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
191       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset1,  in main()
192 		  sizeof (sigset_t)) != 0)  in main()
203       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()
208   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
211       sigemptyset ((sigset_t *) &sigset3);  in main()
212       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
213       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset2,  in main()
214 		  sizeof (sigset_t)) != 0)  in main()
225       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()
230   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
233       sigemptyset ((sigset_t *) &sigset3);  in main()
234       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
235       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset1,  in main()
236 		  sizeof (sigset_t)) != 0)  in main()
247       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()
254   sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL);  in main()
257       sigemptyset ((sigset_t *) &sigset3);  in main()
258       sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3);  in main()
259       if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset4,  in main()
260 		  sizeof (sigset_t)) != 0)  in main()
271       sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL);  in main()