5 #include <sys/select.h>
10 static volatile int handler_called;
23 sa.sa_handler = handler;
25 sigemptyset (&sa.sa_mask);
27 if (sigaction (SIGUSR1, &sa, NULL) != 0)
29 puts ("sigaction failed");
33 sa.sa_handler = SIG_IGN;
34 sa.sa_flags = SA_NOCLDWAIT;
36 if (sigaction (SIGCHLD, &sa, NULL) != 0)
38 puts ("2nd sigaction failed");
43 sigemptyset (&ss_usr1);
44 sigaddset (&ss_usr1, SIGUSR1);
45 if (sigprocmask (SIG_BLOCK, &ss_usr1, NULL) != 0)
47 puts ("sigprocmask failed");
53 if (pipe (fds[0]) != 0 || pipe (fds[1]) != 0)
63 sigprocmask (SIG_SETMASK, NULL, &ss);
64 sigdelset (&ss, SIGUSR1);
66 struct timespec to = { .tv_sec = 0, .tv_nsec = 500000000 };
68 pid_t parent = getpid ();
75 FD_SET (fds[0][0], &rfds);
80 if (getppid () != parent)
84 e = pselect (fds[0][0] + 1, &rfds, NULL, NULL, &to, &ss);
90 puts ("child: pselect did not fail");
95 puts ("child: pselect did not set errno to EINTR");
99 TEMP_FAILURE_RETRY (write (fds[1][1], "foo", 3));
107 FD_SET (fds[1][0], &rfds);
111 int e = pselect (fds[1][0] + 1, &rfds, NULL, NULL, NULL, &ss);
114 puts ("parent: pselect failed");
119 puts ("parent: pselect did not report readable fd");
122 if (!FD_ISSET (fds[1][0], &rfds))
124 puts ("parent: pselect reports wrong fd");
131 #define TEST_FUNCTION do_test ()
132 #include "../test-skeleton.c"