1 files changed, 158 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-cond15.c b/sysdeps/pthread/tst-cond15.c
new file mode 100644
index 0000000000..fefab95996
--- /dev/null
+++ b/sysdeps/pthread/tst-cond15.c
@@ -0,0 +1,158 @@
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+
+static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+static pthread_mutex_t mut = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+static pthread_mutex_t mut2 = PTHREAD_MUTEX_INITIALIZER;
+
+static void *
+tf (void *p)
+{
+  if (pthread_mutex_lock (&mut) != 0)
+    {
+      printf ("%s: 1st mutex_lock failed\n", __func__);
+      exit (1);
+    }
+  if (pthread_mutex_lock (&mut) != 0)
+    {
+      printf ("%s: 2nd mutex_lock failed\n", __func__);
+      exit (1);
+    }
+  if (pthread_mutex_lock (&mut) != 0)
+    {
+      printf ("%s: 3rd mutex_lock failed\n", __func__);
+      exit (1);
+    }
+
+  if (pthread_mutex_unlock (&mut2) != 0)
+    {
+      printf ("%s: mutex_unlock failed\n", __func__);
+      exit (1);
+    }
+
+  struct timeval tv;
+  gettimeofday (&tv, NULL);
+  struct timespec ts;
+  TIMEVAL_TO_TIMESPEC (&tv, &ts);
+  ts.tv_sec += p == NULL ? 100 : 1;
+
+  int err = pthread_cond_timedwait (&cond, &mut, &ts);
+  if ((err != 0 && p == NULL) || (err != ETIMEDOUT && p != NULL))
+    {
+      printf ("%s: cond_wait failed\n", __func__);
+      exit (1);
+    }
+
+  if (pthread_mutex_unlock (&mut) != 0)
+    {
+      printf ("%s: 1st mutex_unlock failed\n", __func__);
+      exit (1);
+    }
+  if (pthread_mutex_unlock (&mut) != 0)
+    {
+      printf ("%s: 2nd mutex_unlock failed\n", __func__);
+      exit (1);
+    }
+  if (pthread_mutex_unlock (&mut) != 0)
+    {
+      printf ("%s: 3rd mutex_unlock failed\n", __func__);
+      exit (1);
+    }
+
+  puts ("child: done");
+
+  return NULL;
+}
+
+
+static int
+do_test (void)
+{
+  if (pthread_mutex_lock (&mut2) != 0)
+    {
+      puts ("1st mutex_lock failed");
+      return 1;
+    }
+
+  puts ("parent: create 1st child");
+
+  pthread_t th;
+  int err = pthread_create (&th, NULL, tf, NULL);
+  if (err != 0)
+    {
+      printf ("parent: cannot 1st create thread: %s\n", strerror (err));
+      return 1;
+    }
+
+  /* We have to synchronize with the child.  */
+  if (pthread_mutex_lock (&mut2) != 0)
+    {
+      puts ("2nd mutex_lock failed");
+      return 1;
+    }
+
+  /* Give the child to reach to pthread_cond_wait.  */
+  sleep (1);
+
+  if (pthread_cond_signal (&cond) != 0)
+    {
+      puts ("cond_signal failed");
+      return 1;
+    }
+
+  err = pthread_join (th, NULL);
+  if (err != 0)
+    {
+      printf ("parent: failed to join: %s\n", strerror (err));
+      return 1;
+    }
+
+
+  puts ("parent: create 2nd child");
+
+  err = pthread_create (&th, NULL, tf, (void *) 1l);
+  if (err != 0)
+    {
+      printf ("parent: cannot 2nd create thread: %s\n", strerror (err));
+      return 1;
+    }
+
+  err = pthread_join (th, NULL);
+  if (err != 0)
+    {
+      printf ("parent: failed to join: %s\n", strerror (err));
+      return 1;
+    }
+
+  puts ("done");
+
+  return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"