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-rw-r--r--test/nptl/tst-cond16.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/test/nptl/tst-cond16.c b/test/nptl/tst-cond16.c
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+++ b/test/nptl/tst-cond16.c
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+/* Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+ 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+pthread_cond_t cv = PTHREAD_COND_INITIALIZER;
+pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+bool n, exiting;
+FILE *f;
+int count;
+
+void *
+tf (void *dummy)
+{
+ bool loop = true;
+
+ while (loop)
+ {
+ pthread_mutex_lock (&lock);
+ while (n && !exiting)
+ pthread_cond_wait (&cv, &lock);
+ n = true;
+ pthread_mutex_unlock (&lock);
+
+ fputs (".", f);
+
+ pthread_mutex_lock (&lock);
+ n = false;
+ if (exiting)
+ loop = false;
+#ifdef UNLOCK_AFTER_BROADCAST
+ pthread_cond_broadcast (&cv);
+ pthread_mutex_unlock (&lock);
+#else
+ pthread_mutex_unlock (&lock);
+ pthread_cond_broadcast (&cv);
+#endif
+ }
+
+ return NULL;
+}
+
+int
+do_test (void)
+{
+ f = fopen ("/dev/null", "w");
+ if (f == NULL)
+ {
+ printf ("couldn't open /dev/null, %m\n");
+ return 1;
+ }
+
+ count = sysconf (_SC_NPROCESSORS_ONLN);
+ if (count <= 0)
+ count = 1;
+ count *= 4;
+
+ pthread_t th[count];
+ int i, ret;
+ for (i = 0; i < count; ++i)
+ if ((ret = pthread_create (&th[i], NULL, tf, NULL)) != 0)
+ {
+ errno = ret;
+ printf ("pthread_create %d failed: %m\n", i);
+ return 1;
+ }
+
+ struct timespec ts = { .tv_sec = 20, .tv_nsec = 0 };
+ while (nanosleep (&ts, &ts) != 0);
+
+ pthread_mutex_lock (&lock);
+ exiting = true;
+ pthread_mutex_unlock (&lock);
+
+ for (i = 0; i < count; ++i)
+ pthread_join (th[i], NULL);
+
+ fclose (f);
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 40
+#include "../test-skeleton.c"