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authorUlrich Drepper <drepper@redhat.com>1998-03-18 12:22:11 +0000
committerUlrich Drepper <drepper@redhat.com>1998-03-18 12:22:11 +0000
commit80a18298f02005310cf0edc6163ae5eff5fad09a (patch)
treefa4db80e6d033ac93658d00c347eae9dae768d45 /test-skeleton.c
parent9eecb5e8f3903a6fe66ac88f9218935130e77042 (diff)
downloadglibc-80a18298f02005310cf0edc6163ae5eff5fad09a.tar.gz
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Update.
	* dirent/list.c (test): Return error value.
	(main): Exit with error value.

	* sysdeps/unix/opendir.c (__opendir): Add missing initialization.

	* Makefile (distribute): Add test-skeleton.c.
	* test-skeleton.c: New file.
	* dirent/Makefile (tests): Add opendir-tst1.
	* dirent/opendir-tst1.c: New file.

1998-03-18  Ulrich Drepper  <drepper@cygnus.com>

	Optimize memory handling.
Diffstat (limited to 'test-skeleton.c')
-rw-r--r--test-skeleton.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/test-skeleton.c b/test-skeleton.c
new file mode 100644
index 0000000000..418f69abdd
--- /dev/null
+++ b/test-skeleton.c
@@ -0,0 +1,177 @@
+/* Skeleton for test programs.
+   Copyright (C) 1998 Free Software Foundation, Inc.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <getopt.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/resource.h>
+#include <sys/wait.h>
+
+/* The test function is normally called `do_test' and it is called
+   with argc and argv as the arguments.  We nevertheless provide the
+   possibility to overwrite this name.  */
+#ifndef TEST_FUNCTION
+# define TEST_FUNCTION do_test (argc, argv)
+#endif
+
+
+#define OPT_DIRECT 1000
+#define OPT_TESTDIR 1001
+
+static struct option options[] =
+{
+#ifdef CMDLINE_OPTIONS
+  CMDLINE_OPTIONS
+#endif
+  { "direct", no_argument, NULL, OPT_DIRECT },
+  { "test-dir", required_argument, NULL, OPT_TESTDIR },
+  { NULL, 0, NULL, 0 }
+};
+
+/* PID of the test itself.  */
+static int pid;
+
+/* Directory to place temporary files in.  */
+static const char *test_dir;
+
+/* Timeout handler.  We kill the child and exit with an error.  */
+void
+timeout_handler (int sig __attribute__ ((unused)))
+{
+  int killed;
+
+  /* Send signal.  */
+  kill (pid, SIGKILL);
+
+  /* Wait for it to terminate.  */
+  killed = waitpid (pid, NULL, WNOHANG);
+  if (killed != 0 && killed != pid)
+    {
+      perror ("Failed to killed test process");
+      exit (1);
+    }
+
+#ifdef CLEANUP_HANDLER
+  CLEANUP_HANDLER;
+#endif
+
+  fputs ("Timed out: killed the child process\n", stderr);
+
+  /* Exit with an error.  */
+  exit (1);
+}
+
+/* We provide the entry point here.  */
+int
+main (int argc, char *argv[])
+{
+  int direct = 0;	/* Directly call the test function?  */
+  int status;
+  int opt;
+
+  while ((opt = getopt_long (argc, argv, "", options, NULL)) != -1)
+    switch (opt)
+      {
+      case '?':
+	exit (1);
+      case OPT_DIRECT:
+	direct = 1;
+	break;
+      case OPT_TESTDIR:
+	test_dir = optarg;
+	break;
+#ifdef CMDLINE_PROCESS
+	CMDLINE_PROCESS
+#endif
+      }
+
+  /* Set TMPDIR to specified test directory.  */
+  if (test_dir != NULL)
+    {
+      setenv ("TMPDIR", test_dir, 1);
+
+      if (chdir (test_dir) < 0)
+	{
+	  perror ("chdir");
+	  exit (1);
+	}
+    }
+
+  /* If we are not expected to fork run the function immediately.  */
+  if (direct)
+    return TEST_FUNCTION;
+
+  /* Set up the test environment:
+     - prevent core dumps
+     - set up the timer
+     - fork and execute the function.  */
+
+  pid = fork ();
+  if (pid == 0)
+    {
+      /* This is the child.  */
+#ifdef RLIMIT_CORE
+      /* Try to avoid dumping core.  */
+      struct rlimit core_limit;
+      core_limit.rlim_cur = 0;
+      core_limit.rlim_max = 0;
+      setrlimit (RLIMIT_CORE, &core_limit);
+#endif
+
+      /* Execute the test function and exit with the return value.   */
+      exit (TEST_FUNCTION);
+    }
+  else if (pid < 0)
+    {
+      perror ("Cannot fork test program");
+      exit (1);
+    }
+
+  /* Set timeout.  */
+#ifndef TIMEOUT
+  /* Default timeout is two seconds.  */
+# define TIMEOUT 2
+#endif
+  alarm (TIMEOUT);
+  signal (SIGALRM, timeout_handler);
+
+  /* Wait for the regular termination.  */
+  if (waitpid (pid, &status, 0) != pid)
+    {
+      perror ("Oops, wrong test program terminated");
+      exit (1);
+    }
+
+#ifndef EXPECTED_SIGNAL
+  /* We don't expect any signal.  */
+# define EXPECTED_SIGNAL 0
+#endif
+  if (WIFSIGNALED (status) != EXPECTED_SIGNAL)
+    {
+      fprintf (stderr, "Incorrect signal from child: got `%s', need `%s'\n",
+	       strsignal (WIFSIGNALED (status)),
+	       strsignal (EXPECTED_SIGNAL));
+      exit (1);
+    }
+
+  /* Simply exit with the return value of the test.  */
+  return WEXITSTATUS (status);
+}