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-rw-r--r--test/nptl/tst-signal1.c189
1 files changed, 189 insertions, 0 deletions
diff --git a/test/nptl/tst-signal1.c b/test/nptl/tst-signal1.c
new file mode 100644
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+++ b/test/nptl/tst-signal1.c
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+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+
+
+static sigset_t ss;
+static pthread_barrier_t *b;
+
+
+static void *
+tf (void *arg)
+{
+ sigdelset (&ss, SIGINT);
+
+ if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0)
+ {
+ puts ("2nd pthread_sigmask failed");
+ exit (1);
+ }
+
+ pthread_barrier_wait (b);
+
+ int sig;
+ int res = sigwait (&ss, &sig);
+ if (res == 0)
+ {
+ printf ("sigwait returned successfully with signal %d\n", sig);
+ exit (1);
+ }
+
+ printf ("sigwait returned with %s (%d)\n", strerror (res), res);
+
+ return NULL;
+}
+
+
+static void
+receiver (void)
+{
+ pthread_t th;
+
+ /* Make sure the process doesn't run forever. */
+ alarm (10);
+
+ sigfillset (&ss);
+
+ if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0)
+ {
+ puts ("1st pthread_sigmask failed");
+ exit (1);
+ }
+
+ if (pthread_create (&th, NULL, tf, NULL) != 0)
+ {
+ puts ("pthread_create failed");
+ exit (1);
+ }
+
+ if (pthread_join (th, NULL) == 0)
+ {
+ puts ("thread joined?!");
+ exit (1);
+ }
+
+ _exit (0);
+}
+
+
+static int
+do_test (void)
+{
+ char tmp[] = "/tmp/tst-signal1-XXXXXX";
+
+ int fd = mkstemp (tmp);
+ if (fd == -1)
+ {
+ puts ("mkstemp failed");
+ exit (1);
+ }
+
+ unlink (tmp);
+
+ int i;
+ for (i = 0; i < 20; ++i)
+ write (fd, "foobar xyzzy", 12);
+
+ b = mmap (NULL, sizeof (pthread_barrier_t), PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, 0);
+ if (b == MAP_FAILED)
+ {
+ puts ("mmap failed");
+ exit (1);
+ }
+
+ pthread_barrierattr_t ba;
+ if (pthread_barrierattr_init (&ba) != 0)
+ {
+ puts ("barrierattr_init failed");
+ exit (1);
+ }
+
+ if (pthread_barrierattr_setpshared (&ba, PTHREAD_PROCESS_SHARED) != 0)
+ {
+ puts ("barrierattr_setpshared failed");
+ exit (1);
+ }
+
+ if (pthread_barrier_init (b, &ba, 2) != 0)
+ {
+ puts ("barrier_init failed");
+ exit (1);
+ }
+
+ if (pthread_barrierattr_destroy (&ba) != 0)
+ {
+ puts ("barrierattr_destroy failed");
+ exit (1);
+ }
+
+ pid_t pid = fork ();
+ if (pid == -1)
+ {
+ puts ("fork failed");
+ exit (1);
+ }
+
+ if (pid == 0)
+ receiver ();
+
+ pthread_barrier_wait (b);
+
+ /* Wait a bit more. */
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
+ nanosleep (&ts, NULL);
+
+ /* Send the signal. */
+ puts ("sending the signal now");
+ kill (pid, SIGINT);
+
+ /* Wait for the process to terminate. */
+ int status;
+ if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid)
+ {
+ puts ("wrong child reported terminated");
+ exit (1);
+ }
+
+ if (!WIFSIGNALED (status))
+ {
+ puts ("child wasn't signalled");
+ exit (1);
+ }
+
+ if (WTERMSIG (status) != SIGINT)
+ {
+ puts ("child not terminated with SIGINT");
+ exit (1);
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"