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authorUlrich Drepper <drepper@redhat.com>2004-05-18 20:18:14 +0000
committerUlrich Drepper <drepper@redhat.com>2004-05-18 20:18:14 +0000
commit893a351195a2997133892ffac80573a9984ba4cf (patch)
treead1b9f1a9e7d55b25353c57f9fbd5f76c4804054 /nptl/tst-cond18.c
parentd40eb37aad4145ae4d047b6d7f633f740bf3a610 (diff)
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[BZ #163]
Update. 2004-05-18 Petter Reinholdtsen <pere@hungry.com> * locales/sl_SI [LC_TIME]: Correct d_fmt date format from '22.06.2003' to '22. 06. 2003'. Change requested from Aleks Reinhardt, and approved by the locale author Borka Jerman-Blazic. [BZ #163]
Diffstat (limited to 'nptl/tst-cond18.c')
-rw-r--r--nptl/tst-cond18.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/nptl/tst-cond18.c b/nptl/tst-cond18.c
new file mode 100644
index 0000000..9fd81d2
--- /dev/null
+++ b/nptl/tst-cond18.c
@@ -0,0 +1,117 @@
+/* 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+pthread_cond_t cv = PTHREAD_COND_INITIALIZER;
+pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+bool exiting;
+int fd, count, spins, nn;
+
+void *
+tf (void *id)
+{
+ pthread_mutex_lock (&lock);
+
+ if ((long) id == 0)
+ {
+ while (!exiting)
+ {
+ if ((spins++ % 1000) == 0)
+ write (fd, ".", 1);
+ pthread_mutex_unlock (&lock);
+
+ pthread_mutex_lock (&lock);
+ int njobs = rand () % (count + 1);
+ nn = njobs;
+ if ((rand () % 30) == 0)
+ pthread_cond_broadcast (&cv);
+ else
+ while (njobs--)
+ pthread_cond_signal (&cv);
+ }
+
+ pthread_cond_broadcast (&cv);
+ }
+ else
+ {
+ while (!exiting)
+ {
+ while (!nn && !exiting)
+ pthread_cond_wait (&cv, &lock);
+ --nn;
+ pthread_mutex_unlock (&lock);
+
+ pthread_mutex_lock (&lock);
+ }
+ }
+
+ pthread_mutex_unlock (&lock);
+ return NULL;
+}
+
+int
+do_test (void)
+{
+ fd = open ("/dev/null", O_WRONLY);
+ if (fd < 0)
+ {
+ printf ("couldn't open /dev/null, %m\n");
+ return 1;
+ }
+
+ count = sysconf (_SC_NPROCESSORS_ONLN);
+ if (count <= 0)
+ count = 1;
+ count *= 8;
+
+ pthread_t th[count + 1];
+ int i, ret;
+
+ for (i = 0; i <= count; ++i)
+ if ((ret = pthread_create (&th[i], NULL, tf, (void *) (long) i)) != 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);
+
+ close (fd);
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 40
+#include "../test-skeleton.c"