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[glibc/history.git] / nptl / tst-basic3.c
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1 /* Copyright (C) 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <pthread.h>
21 #include <signal.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <unistd.h>
27 static int nrunning = 1;
30 static void
31 final_test (void)
33 puts ("final_test has been called");
35 #define THE_SIGNAL SIGUSR1
36 kill (getpid (), SIGUSR1);
40 static void *
41 tf (void *a)
43 if (pthread_join ((pthread_t) a, NULL) != 0)
45 printf ("join failed while %d are running\n", nrunning);
46 _exit (1);
49 printf ("%2d left\n", --nrunning);
51 return NULL;
55 int
56 do_test (void)
58 #define N 20
59 pthread_t t[N];
60 pthread_t last = pthread_self ();
61 int i;
63 atexit (final_test);
65 printf ("starting %d + 1 threads\n", N);
66 for (i = 0; i < N; ++i)
68 if (pthread_create (&t[i], NULL, tf, (void *) last) != 0)
70 puts ("create failed");
71 _exit (1);
74 ++nrunning;
76 last = t[i];
79 printf ("%2d left\n", --nrunning);
81 pthread_exit (NULL);
85 #define EXPECTED_SIGNAL THE_SIGNAL
86 #define TEST_FUNCTION do_test ()
87 #include "../test-skeleton.c"