From 7988979a722b4cdf287b2093956a76a3f19b9897 Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@uclibc-ng.org>
Date: Mon, 24 Oct 2016 20:22:12 +0200
Subject: add uClibc-ng test directory

---
 test/nptl/tst-cancel7.c | 208 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 208 insertions(+)
 create mode 100644 test/nptl/tst-cancel7.c

(limited to 'test/nptl/tst-cancel7.c')

diff --git a/test/nptl/tst-cancel7.c b/test/nptl/tst-cancel7.c
new file mode 100644
index 0000000..9e7d22e
--- /dev/null
+++ b/test/nptl/tst-cancel7.c
@@ -0,0 +1,208 @@
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
+
+   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 <fcntl.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+const char *command;
+const char *pidfile;
+char pidfilename[] = "/tmp/tst-cancel7-XXXXXX";
+
+static void *
+tf (void *arg)
+{
+  const char *args = " -d -p ";
+  char *cmd = alloca (strlen (command) + strlen (args)
+		      + strlen (pidfilename) + 1);
+
+  strcpy (stpcpy (stpcpy (cmd, command), args), pidfilename);
+  system (cmd);
+  /* This call should never return.  */
+  return NULL;
+}
+
+
+static void
+sl (void)
+{
+  FILE *f = fopen (pidfile, "w");
+  if (f == NULL)
+    exit (1);
+
+  fprintf (f, "%lld\n", (long long) getpid ());
+  fflush (f);
+
+  struct flock fl =
+    {
+      .l_type = F_WRLCK,
+      .l_start = 0,
+      .l_whence = SEEK_SET,
+      .l_len = 1
+    };
+  if (fcntl (fileno (f), F_SETLK, &fl) != 0)
+    exit (1);
+
+  sigset_t ss;
+  sigfillset (&ss);
+  sigsuspend (&ss);
+  exit (0);
+}
+
+
+static void
+do_prepare (int argc, char *argv[])
+{
+  if (command == NULL)
+    command = argv[0];
+
+  if (pidfile)
+    sl ();
+
+  int fd = mkstemp (pidfilename);
+  if (fd == -1)
+    {
+      puts ("mkstemp failed");
+      exit (1);
+    }
+
+  write (fd, " ", 1);
+  close (fd);
+}
+
+
+static int
+do_test (void)
+{
+  pthread_t th;
+  if (pthread_create (&th, NULL, tf, NULL) != 0)
+    {
+      puts ("pthread_create failed");
+      return 1;
+    }
+
+  do
+    sleep (1);
+  while (access (pidfilename, R_OK) != 0);
+
+  if (pthread_cancel (th) != 0)
+    {
+      puts ("pthread_cancel failed");
+      return 1;
+    }
+
+  void *r;
+  if (pthread_join (th, &r) != 0)
+    {
+      puts ("pthread_join failed");
+      return 1;
+    }
+
+  sleep (1);
+
+  FILE *f = fopen (pidfilename, "r+");
+  if (f == NULL)
+    {
+      puts ("no pidfile");
+      return 1;
+    }
+
+  long long ll;
+  if (fscanf (f, "%lld\n", &ll) != 1)
+    {
+      puts ("could not read pid");
+      unlink (pidfilename);
+      return 1;
+    }
+
+  struct flock fl =
+    {
+      .l_type = F_WRLCK,
+      .l_start = 0,
+      .l_whence = SEEK_SET,
+      .l_len = 1
+    };
+  if (fcntl (fileno (f), F_GETLK, &fl) != 0)
+    {
+      puts ("F_GETLK failed");
+      unlink (pidfilename);
+      return 1;
+    }
+
+  if (fl.l_type != F_UNLCK)
+    {
+      printf ("child %lld still running\n", (long long) fl.l_pid);
+      if (fl.l_pid == ll)
+	kill (fl.l_pid, SIGKILL);
+
+      unlink (pidfilename);
+      return 1;
+    }
+
+  fclose (f);
+
+  unlink (pidfilename);
+
+  return r != PTHREAD_CANCELED;
+}
+
+#if 0 /* unused */
+static void
+do_cleanup (void)
+{
+  FILE *f = fopen (pidfilename, "r+");
+  long long ll;
+
+  if (f != NULL && fscanf (f, "%lld\n", &ll) == 1)
+    {
+      struct flock fl =
+	{
+	  .l_type = F_WRLCK,
+	  .l_start = 0,
+	  .l_whence = SEEK_SET,
+	  .l_len = 1
+	};
+      if (fcntl (fileno (f), F_GETLK, &fl) == 0 && fl.l_type != F_UNLCK
+	  && fl.l_pid == ll)
+	kill (fl.l_pid, SIGKILL);
+
+      fclose (f);
+    }
+
+  unlink (pidfilename);
+}
+#endif
+
+#define CMDLINE_OPTIONS \
+	"c:p:"
+#define CMDLINE_PROCESS \
+  case 'c':	\
+    command = optarg;	\
+    break;		\
+  case 'p':	\
+    pidfile = optarg;	\
+    break;
+#define PREPARE(argc, argv) do_prepare (argc, argv)
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 5
+#include "../test-skeleton.c"
-- 
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