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-rw-r--r--sysdeps/pthread/tst-cond7.c167
1 files changed, 167 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-cond7.c b/sysdeps/pthread/tst-cond7.c
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+++ b/sysdeps/pthread/tst-cond7.c
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+/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+   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 <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <sys/time.h>
+
+
+typedef struct
+  {
+    pthread_cond_t cond;
+    pthread_mutex_t lock;
+    pthread_t h;
+  } T;
+
+
+static volatile bool done;
+
+
+static void *
+tf (void *arg)
+{
+  puts ("child created");
+
+  if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0
+      || pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+    {
+      puts ("cannot set cancellation options");
+      exit (1);
+    }
+
+  T *t = (T *) arg;
+
+  if (pthread_mutex_lock (&t->lock) != 0)
+    {
+      puts ("child: lock failed");
+      exit (1);
+    }
+
+  done = true;
+
+  if (pthread_cond_signal (&t->cond) != 0)
+    {
+      puts ("child: cond_signal failed");
+      exit (1);
+    }
+
+  if (pthread_cond_wait (&t->cond, &t->lock) != 0)
+    {
+      puts ("child: cond_wait failed");
+      exit (1);
+    }
+
+  if (pthread_mutex_unlock (&t->lock) != 0)
+    {
+      puts ("child: unlock failed");
+      exit (1);
+    }
+
+  return NULL;
+}
+
+
+static int
+do_test (void)
+{
+  int i;
+#define N 100
+  T *t[N];
+  for (i = 0; i < N; ++i)
+    {
+      printf ("round %d\n", i);
+
+      t[i] = (T *) malloc (sizeof (T));
+      if (t[i] == NULL)
+	{
+	  puts ("out of memory");
+	  exit (1);
+	}
+
+      if (pthread_mutex_init (&t[i]->lock, NULL) != 0
+	  || pthread_cond_init (&t[i]->cond, NULL) != 0)
+	{
+	  puts ("an _init function failed");
+	  exit (1);
+	}
+
+      if (pthread_mutex_lock (&t[i]->lock) != 0)
+	{
+	  puts ("initial mutex_lock failed");
+	  exit (1);
+	}
+
+      done = false;
+
+      if (pthread_create (&t[i]->h, NULL, tf, t[i]) != 0)
+	{
+	  puts ("pthread_create failed");
+	  exit (1);
+	}
+
+      do
+	if (pthread_cond_wait (&t[i]->cond, &t[i]->lock) != 0)
+	  {
+	    puts ("cond_wait failed");
+	    exit (1);
+	  }
+      while (! done);
+
+      /* Release the lock since the cancel handler will get it.  */
+      if (pthread_mutex_unlock (&t[i]->lock) != 0)
+	{
+	  puts ("mutex_unlock failed");
+	  exit (1);
+	}
+
+      if (pthread_cancel (t[i]->h) != 0)
+	{
+	  puts ("cancel failed");
+	  exit (1);
+	}
+
+      puts ("parent: joining now");
+
+      void *result;
+      if (pthread_join (t[i]->h, &result) != 0)
+	{
+	  puts ("join failed");
+	  exit (1);
+	}
+
+      if (result != PTHREAD_CANCELED)
+	{
+	  puts ("result != PTHREAD_CANCELED");
+	  exit (1);
+	}
+    }
+
+  for (i = 0; i < N; ++i)
+    free (t[i]);
+
+  return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"