5 #include <sys/select.h>
9 static volatile int handler_called;
22 sa.sa_handler = handler;
24 sigemptyset (&sa.sa_mask);
26 if (sigaction (SIGUSR1, &sa, NULL) != 0)
28 puts ("sigaction failed");
32 sa.sa_handler = SIG_IGN;
33 sa.sa_flags = SA_NOCLDWAIT;
35 if (sigaction (SIGCHLD, &sa, NULL) != 0)
37 puts ("2nd sigaction failed");
41 if (sigblock (sigmask (SIGUSR1)) != 0)
43 puts ("sigblock failed");
49 if (pipe (fds[0]) != 0 || pipe (fds[1]) != 0)
59 sigprocmask (SIG_SETMASK, NULL, &ss);
60 sigdelset (&ss, SIGUSR1);
62 struct timespec to = { .tv_sec = 0, .tv_nsec = 500000000 };
64 pid_t parent = getpid ();
71 FD_SET (fds[0][0], &rfds);
76 if (getppid () != parent)
80 e = pselect (fds[0][0] + 1, &rfds, NULL, NULL, &to, &ss);
86 puts ("child: pselect did not fail");
91 puts ("child: pselect did not set errno to EINTR");
95 TEMP_FAILURE_RETRY (write (fds[1][1], "foo", 3));
103 FD_SET (fds[1][0], &rfds);
107 int e = pselect (fds[1][0] + 1, &rfds, NULL, NULL, NULL, &ss);
110 puts ("parent: pselect failed");
115 puts ("parent: pselect did not report readable fd");
118 if (!FD_ISSET (fds[1][0], &rfds))
120 puts ("parent: pselect reports wrong fd");
127 #define TEST_FUNCTION do_test ()
128 #include "../test-skeleton.c"