[thirdparty/glibc.git] / test-skeleton.c

/* Skeleton for test programs.
   Copyright (C) 1998,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   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 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 <getopt.h>
#include <search.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/resource.h>
#include <sys/wait.h>
#include <sys/param.h>
#include <time.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

#ifndef TEST_DATA_LIMIT
# define TEST_DATA_LIMIT (64 << 20) /* Data limit (bytes) to run with.  */
#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 pid_t pid;

/* Directory to place temporary files in.  */
static const char *test_dir;

/* List of temporary files.  */
struct temp_name_list
{
  struct qelem q;
  const char *name;
} *temp_name_list;

/* Add temporary files in list.  */
static void
__attribute__ ((unused))
add_temp_file (const char *name)
{
  struct temp_name_list *newp
    = (struct temp_name_list *) calloc (sizeof (*newp), 1);
  if (newp != NULL)
    {
      newp->name = name;
      if (temp_name_list == NULL)
	temp_name_list = (struct temp_name_list *) &newp->q;
      else
	insque (newp, temp_name_list);
    }
}

/* Delete all temporary files.  */
static void
delete_temp_files (void)
{
  while (temp_name_list != NULL)
    {
      remove (temp_name_list->name);
      temp_name_list = (struct temp_name_list *) temp_name_list->q.q_forw;
    }
}

/* Create a temporary file.  */
static int
__attribute__ ((unused))
create_temp_file (const char *base, char **filename)
{
  char *fname;
  int fd;

  fname = (char *) malloc (strlen (test_dir) + 1 + strlen (base)
			   + sizeof ("XXXXXX"));
  if (fname == NULL)
    {
      puts ("out of memory");
      return -1;
    }
  strcpy (stpcpy (stpcpy (stpcpy (fname, test_dir), "/"), base), "XXXXXX");

  fd = mkstemp (fname);
  if (fd == -1)
    {
      printf ("cannot open temporary file '%s': %m\n", fname);
      free (fname);
      return -1;
    }

  add_temp_file (fname);
  if (filename != NULL)
    *filename = fname;

  return fd;
}

/* Timeout handler.  We kill the child and exit with an error.  */
static void
__attribute__ ((noreturn))
timeout_handler (int sig __attribute__ ((unused)))
{
  int killed;
  int status;

  /* Send signal.  */
  kill (pid, SIGKILL);

  /* Wait for it to terminate.  */
  int i;
  for (i = 0; i < 5; ++i)
    {
      killed = waitpid (pid, &status, WNOHANG|WUNTRACED);
      if (killed != 0)
	break;

      /* Delay, give the system time to process the kill.  If the
	 nanosleep() call return prematurely, all the better.  We
	 won't restart it since this probably means the child process
	 finally died.  */
      struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
      nanosleep (&ts, NULL);
    }
  if (killed != 0 && killed != pid)
    {
      perror ("Failed to kill test process");
      exit (1);
    }

#ifdef CLEANUP_HANDLER
  CLEANUP_HANDLER;
#endif

  /* If we expected this signal: good!  */
#ifdef EXPECTED_SIGNAL
  if (EXPECTED_SIGNAL == SIGALRM)
    exit (0);
#endif

  if (killed == 0 || (WIFSIGNALED (status) && WTERMSIG (status) == SIGKILL))
    fputs ("Timed out: killed the child process\n", stderr);
  else if (WIFSTOPPED (status))
    fprintf (stderr, "Timed out: the child process was %s\n",
	     strsignal (WSTOPSIG (status)));
  else if (WIFSIGNALED (status))
    fprintf (stderr, "Timed out: the child process got signal %s\n",
	     strsignal (WTERMSIG (status)));
  else
    fprintf (stderr, "Timed out: killed the child process but it exited %d\n",
	     WEXITSTATUS (status));

  /* 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;
  unsigned int timeoutfactor = 1;
  pid_t termpid;

#ifdef STDOUT_UNBUFFERED
  setbuf (stdout, NULL);
#endif

  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
      }

  /* If set, read the test TIMEOUTFACTOR value from the environment.
     This value is used to scale the default test timeout values. */
  char *envstr_timeoutfactor = getenv ("TIMEOUTFACTOR");
  if (envstr_timeoutfactor != NULL)
    {
      char *envstr_conv = envstr_timeoutfactor;
      unsigned long int env_fact;

      env_fact = strtoul (envstr_timeoutfactor, &envstr_conv, 0);
      if (*envstr_conv == '\0' && envstr_conv != envstr_timeoutfactor)
	timeoutfactor = MAX (env_fact, 1);
    }

  /* Set TMPDIR to specified test directory.  */
  if (test_dir != NULL)
    {
      setenv ("TMPDIR", test_dir, 1);

      if (chdir (test_dir) < 0)
	{
	  perror ("chdir");
	  exit (1);
	}
    }
  else
    {
      test_dir = getenv ("TMPDIR");
      if (test_dir == NULL || test_dir[0] == '\0')
	test_dir = "/tmp";
    }

  /* Make sure we see all message, even those on stdout.  */
  setvbuf (stdout, NULL, _IONBF, 0);

  /* make sure temporary files are deleted.  */
  atexit (delete_temp_files);

  /* Correct for the possible parameters.  */
  argv[optind - 1] = argv[0];
  argv += optind - 1;
  argc -= optind - 1;

  /* Call the initializing function, if one is available.  */
#ifdef PREPARE
  PREPARE (argc, argv);
#endif

  /* 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

#ifdef RLIMIT_DATA
      /* Try to avoid eating all memory if a test leaks.  */
      struct rlimit data_limit;
      if (getrlimit (RLIMIT_DATA, &data_limit) == 0)
	{
	  if (TEST_DATA_LIMIT == RLIM_INFINITY)
	    data_limit.rlim_cur = data_limit.rlim_max;
	  else if (data_limit.rlim_cur > (rlim_t) TEST_DATA_LIMIT)
	    data_limit.rlim_cur = MIN ((rlim_t) TEST_DATA_LIMIT,
				       data_limit.rlim_max);
	  if (setrlimit (RLIMIT_DATA, &data_limit) < 0)
	    perror ("setrlimit: RLIMIT_DATA");
	}
      else
	perror ("getrlimit: RLIMIT_DATA");
#endif

      /* We put the test process in its own pgrp so that if it bogusly
	 generates any job control signals, they won't hit the whole build.  */
      setpgid (0, 0);

      /* 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
  signal (SIGALRM, timeout_handler);
  alarm (TIMEOUT * timeoutfactor);

  /* Wait for the regular termination.  */
  termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
  if (termpid == -1)
    {
      printf ("Waiting for test program failed: %m\n");
      exit (1);
    }
  if (termpid != pid)
    {
      printf ("Oops, wrong test program terminated: expected %ld, got %ld\n",
	      (long int) pid, (long int) termpid);
      exit (1);
    }

#ifndef EXPECTED_SIGNAL
  /* We don't expect any signal.  */
# define EXPECTED_SIGNAL 0
#endif
  if (WTERMSIG (status) != EXPECTED_SIGNAL)
    {
      if (EXPECTED_SIGNAL != 0)
	{
	  if (WTERMSIG (status) == 0)
	    fprintf (stderr,
		     "Expected signal '%s' from child, got none\n",
		     strsignal (EXPECTED_SIGNAL));
	  else
	    fprintf (stderr,
		     "Incorrect signal from child: got `%s', need `%s'\n",
		     strsignal (WTERMSIG (status)),
		     strsignal (EXPECTED_SIGNAL));
	}
      else
	fprintf (stderr, "Didn't expect signal from child: got `%s'\n",
		 strsignal (WTERMSIG (status)));
      exit (1);
    }

  /* Simply exit with the return value of the test.  */
#ifndef EXPECTED_STATUS
  return WEXITSTATUS (status);
#else
  if (WEXITSTATUS (status) != EXPECTED_STATUS)
    {
      fprintf (stderr, "Expected status %d, got %d\n",
	       EXPECTED_STATUS, WEXITSTATUS (status));
      exit (1);
    }

  return 0;
#endif
}
Commit	Line	Data
80a18298	1	/* Skeleton for test programs.
dc391246	2	Copyright (C) 1998,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
41bdb6e2	3	This file is part of the GNU C Library.
80a18298 UD	4	Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	7	modify it under the terms of the GNU Lesser General Public
	8	License as published by the Free Software Foundation; either
	9	version 2.1 of the License, or (at your option) any later version.
80a18298 UD	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	14	Lesser General Public License for more details.
80a18298	15
41bdb6e2 AJ	16	You should have received a copy of the GNU Lesser General Public
	17	License along with the GNU C Library; if not, write to the Free
	18	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	19	02111-1307 USA. */
80a18298	20
e1d8e1b7	21	#include <errno.h>
80a18298	22	#include <getopt.h>
b9337b6a	23	#include <search.h>
80a18298 UD	24	#include <signal.h>
	25	#include <stdio.h>
	26	#include <stdlib.h>
4380ef5e	27	#include <string.h>
80a18298 UD	28	#include <unistd.h>
	29	#include <sys/resource.h>
	30	#include <sys/wait.h>
63b11dd1	31	#include <sys/param.h>
fa4a36fd	32	#include <time.h>
80a18298 UD	33
	34	/* The test function is normally called `do_test' and it is called
	35	with argc and argv as the arguments. We nevertheless provide the
	36	possibility to overwrite this name. */
	37	#ifndef TEST_FUNCTION
	38	# define TEST_FUNCTION do_test (argc, argv)
	39	#endif
	40
63b11dd1 RM	41	#ifndef TEST_DATA_LIMIT
	42	# define TEST_DATA_LIMIT (64 << 20) /* Data limit (bytes) to run with. */
	43	#endif
80a18298 UD	44
	45	#define OPT_DIRECT 1000
	46	#define OPT_TESTDIR 1001
	47
	48	static struct option options[] =
	49	{
	50	#ifdef CMDLINE_OPTIONS
	51	CMDLINE_OPTIONS
	52	#endif
	53	{ "direct", no_argument, NULL, OPT_DIRECT },
	54	{ "test-dir", required_argument, NULL, OPT_TESTDIR },
	55	{ NULL, 0, NULL, 0 }
	56	};
	57
	58	/* PID of the test itself. */
608c5afd	59	static pid_t pid;
80a18298 UD	60
	61	/* Directory to place temporary files in. */
	62	static const char *test_dir;
	63
b9337b6a	64	/* List of temporary files. */
51eecc4a	65	struct temp_name_list
b9337b6a UD	66	{
	67	struct qelem q;
	68	const char *name;
51eecc4a	69	} *temp_name_list;
b9337b6a UD	70
b9337b6a UD	71	/* Add temporary files in list. */
9c0592ab	72	static void
5cd6f8f7	73	__attribute__ ((unused))
b9337b6a UD	74	add_temp_file (const char *name)
b9337b6a UD	75	{
51eecc4a AJ	76	struct temp_name_list *newp
51eecc4a AJ	77	= (struct temp_name_list ) calloc (sizeof (newp), 1);
b9337b6a UD	78	if (newp != NULL)
	79	{
	80	newp->name = name;
51eecc4a AJ	81	if (temp_name_list == NULL)
51eecc4a AJ	82	temp_name_list = (struct temp_name_list *) &newp->q;
b9337b6a	83	else
51eecc4a	84	insque (newp, temp_name_list);
b9337b6a UD	85	}
	86	}
	87
	88	/* Delete all temporary files. */
9c0592ab	89	static void
b9337b6a UD	90	delete_temp_files (void)
b9337b6a UD	91	{
51eecc4a	92	while (temp_name_list != NULL)
b9337b6a	93	{
51eecc4a AJ	94	remove (temp_name_list->name);
51eecc4a AJ	95	temp_name_list = (struct temp_name_list *) temp_name_list->q.q_forw;
b9337b6a UD	96	}
	97	}
	98
10e62564 UD	99	/* Create a temporary file. */
	100	static int
	101	__attribute__ ((unused))
	102	create_temp_file (const char base, char *filename)
	103	{
	104	char *fname;
	105	int fd;
	106
	107	fname = (char *) malloc (strlen (test_dir) + 1 + strlen (base)
	108	+ sizeof ("XXXXXX"));
	109	if (fname == NULL)
	110	{
	111	puts ("out of memory");
	112	return -1;
	113	}
	114	strcpy (stpcpy (stpcpy (stpcpy (fname, test_dir), "/"), base), "XXXXXX");
	115
	116	fd = mkstemp (fname);
	117	if (fd == -1)
	118	{
	119	printf ("cannot open temporary file '%s': %m\n", fname);
	120	free (fname);
	121	return -1;
	122	}
	123
	124	add_temp_file (fname);
	125	if (filename != NULL)
	126	*filename = fname;
	127
	128	return fd;
	129	}
	130
80a18298	131	/* Timeout handler. We kill the child and exit with an error. */
9c0592ab	132	static void
8c0b7170	133	__attribute__ ((noreturn))
80a18298 UD	134	timeout_handler (int sig __attribute__ ((unused)))
	135	{
	136	int killed;
b79e3737	137	int status;
80a18298 UD	138
	139	/* Send signal. */
	140	kill (pid, SIGKILL);
	141
	142	/* Wait for it to terminate. */
6d0e6e84 UD	143	int i;
	144	for (i = 0; i < 5; ++i)
	145	{
	146	killed = waitpid (pid, &status, WNOHANG\|WUNTRACED);
	147	if (killed != 0)
	148	break;
	149
	150	/* Delay, give the system time to process the kill. If the
	151	nanosleep() call return prematurely, all the better. We
	152	won't restart it since this probably means the child process
	153	finally died. */
	154	struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
	155	nanosleep (&ts, NULL);
	156	}
80a18298 UD	157	if (killed != 0 && killed != pid)
80a18298 UD	158	{
520ec963	159	perror ("Failed to kill test process");
80a18298 UD	160	exit (1);
	161	}
	162
	163	#ifdef CLEANUP_HANDLER
	164	CLEANUP_HANDLER;
	165	#endif
	166
4614167a UD	167	/* If we expected this signal: good! */
	168	#ifdef EXPECTED_SIGNAL
	169	if (EXPECTED_SIGNAL == SIGALRM)
	170	exit (0);
	171	#endif
	172
6d0e6e84	173	if (killed == 0 \|\| (WIFSIGNALED (status) && WTERMSIG (status) == SIGKILL))
b79e3737 RM	174	fputs ("Timed out: killed the child process\n", stderr);
	175	else if (WIFSTOPPED (status))
	176	fprintf (stderr, "Timed out: the child process was %s\n",
	177	strsignal (WSTOPSIG (status)));
	178	else if (WIFSIGNALED (status))
	179	fprintf (stderr, "Timed out: the child process got signal %s\n",
	180	strsignal (WTERMSIG (status)));
	181	else
	182	fprintf (stderr, "Timed out: killed the child process but it exited %d\n",
	183	WEXITSTATUS (status));
80a18298 UD	184
	185	/* Exit with an error. */
	186	exit (1);
	187	}
	188
	189	/* We provide the entry point here. */
	190	int
	191	main (int argc, char *argv[])
	192	{
	193	int direct = 0; /* Directly call the test function? */
	194	int status;
	195	int opt;
dc391246	196	unsigned int timeoutfactor = 1;
608c5afd	197	pid_t termpid;
80a18298	198
e7c036b3 UD	199	#ifdef STDOUT_UNBUFFERED
	200	setbuf (stdout, NULL);
	201	#endif
	202
6f1acb30	203	while ((opt = getopt_long (argc, argv, "+", options, NULL)) != -1)
80a18298 UD	204	switch (opt)
	205	{
	206	case '?':
	207	exit (1);
	208	case OPT_DIRECT:
	209	direct = 1;
	210	break;
	211	case OPT_TESTDIR:
	212	test_dir = optarg;
	213	break;
	214	#ifdef CMDLINE_PROCESS
	215	CMDLINE_PROCESS
	216	#endif
	217	}
	218
dc391246 UD	219	/* If set, read the test TIMEOUTFACTOR value from the environment.
	220	This value is used to scale the default test timeout values. */
	221	char *envstr_timeoutfactor = getenv ("TIMEOUTFACTOR");
	222	if (envstr_timeoutfactor != NULL)
	223	{
	224	char *envstr_conv = envstr_timeoutfactor;
	225	unsigned long int env_fact;
	226
	227	env_fact = strtoul (envstr_timeoutfactor, &envstr_conv, 0);
	228	if (*envstr_conv == '\0' && envstr_conv != envstr_timeoutfactor)
	229	timeoutfactor = MAX (env_fact, 1);
	230	}
	231
80a18298 UD	232	/* Set TMPDIR to specified test directory. */
	233	if (test_dir != NULL)
	234	{
	235	setenv ("TMPDIR", test_dir, 1);
	236
	237	if (chdir (test_dir) < 0)
	238	{
	239	perror ("chdir");
	240	exit (1);
	241	}
	242	}
b9337b6a UD	243	else
	244	{
	245	test_dir = getenv ("TMPDIR");
	246	if (test_dir == NULL \|\| test_dir[0] == '\0')
	247	test_dir = "/tmp";
	248	}
80a18298	249
6b9c2e67 UD	250	/* Make sure we see all message, even those on stdout. */
	251	setvbuf (stdout, NULL, _IONBF, 0);
	252
310b3460 UD	253	/* make sure temporary files are deleted. */
	254	atexit (delete_temp_files);
	255
726b7b0f	256	/* Correct for the possible parameters. */
55033a44	257	argv[optind - 1] = argv[0];
726b7b0f UD	258	argv += optind - 1;
	259	argc -= optind - 1;
	260
310b3460 UD	261	/* Call the initializing function, if one is available. */
	262	#ifdef PREPARE
	263	PREPARE (argc, argv);
	264	#endif
	265
80a18298 UD	266	/* If we are not expected to fork run the function immediately. */
	267	if (direct)
	268	return TEST_FUNCTION;
	269
	270	/* Set up the test environment:
	271	- prevent core dumps
	272	- set up the timer
	273	- fork and execute the function. */
	274
	275	pid = fork ();
	276	if (pid == 0)
	277	{
	278	/* This is the child. */
	279	#ifdef RLIMIT_CORE
	280	/* Try to avoid dumping core. */
	281	struct rlimit core_limit;
	282	core_limit.rlim_cur = 0;
	283	core_limit.rlim_max = 0;
	284	setrlimit (RLIMIT_CORE, &core_limit);
	285	#endif
	286
63b11dd1 RM	287	#ifdef RLIMIT_DATA
	288	/* Try to avoid eating all memory if a test leaks. */
	289	struct rlimit data_limit;
	290	if (getrlimit (RLIMIT_DATA, &data_limit) == 0)
	291	{
	292	if (TEST_DATA_LIMIT == RLIM_INFINITY)
	293	data_limit.rlim_cur = data_limit.rlim_max;
	294	else if (data_limit.rlim_cur > (rlim_t) TEST_DATA_LIMIT)
	295	data_limit.rlim_cur = MIN ((rlim_t) TEST_DATA_LIMIT,
	296	data_limit.rlim_max);
	297	if (setrlimit (RLIMIT_DATA, &data_limit) < 0)
	298	perror ("setrlimit: RLIMIT_DATA");
	299	}
	300	else
	301	perror ("getrlimit: RLIMIT_DATA");
	302	#endif
	303
b79e3737 RM	304	/* We put the test process in its own pgrp so that if it bogusly
	305	generates any job control signals, they won't hit the whole build. */
	306	setpgid (0, 0);
	307
80a18298 UD	308	/* Execute the test function and exit with the return value. */
	309	exit (TEST_FUNCTION);
	310	}
	311	else if (pid < 0)
	312	{
	313	perror ("Cannot fork test program");
	314	exit (1);
	315	}
	316
	317	/* Set timeout. */
	318	#ifndef TIMEOUT
	319	/* Default timeout is two seconds. */
	320	# define TIMEOUT 2
	321	#endif
80a18298	322	signal (SIGALRM, timeout_handler);
dc391246	323	alarm (TIMEOUT * timeoutfactor);
80a18298 UD	324
80a18298 UD	325	/* Wait for the regular termination. */
53854476	326	termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
608c5afd	327	if (termpid == -1)
80a18298	328	{
608c5afd UD	329	printf ("Waiting for test program failed: %m\n");
	330	exit (1);
	331	}
	332	if (termpid != pid)
	333	{
	334	printf ("Oops, wrong test program terminated: expected %ld, got %ld\n",
	335	(long int) pid, (long int) termpid);
80a18298 UD	336	exit (1);
	337	}
	338
	339	#ifndef EXPECTED_SIGNAL
	340	/* We don't expect any signal. */
	341	# define EXPECTED_SIGNAL 0
	342	#endif
789b13c4	343	if (WTERMSIG (status) != EXPECTED_SIGNAL)
80a18298	344	{
b9337b6a	345	if (EXPECTED_SIGNAL != 0)
3fc65a77 UD	346	{
	347	if (WTERMSIG (status) == 0)
	348	fprintf (stderr,
	349	"Expected signal '%s' from child, got none\n",
	350	strsignal (EXPECTED_SIGNAL));
	351	else
	352	fprintf (stderr,
	353	"Incorrect signal from child: got `%s', need `%s'\n",
	354	strsignal (WTERMSIG (status)),
	355	strsignal (EXPECTED_SIGNAL));
	356	}
b9337b6a	357	else
6b9c2e67	358	fprintf (stderr, "Didn't expect signal from child: got `%s'\n",
b9337b6a	359	strsignal (WTERMSIG (status)));
80a18298 UD	360	exit (1);
	361	}
	362
	363	/* Simply exit with the return value of the test. */
ede0f73a	364	#ifndef EXPECTED_STATUS
80a18298	365	return WEXITSTATUS (status);
ede0f73a UD	366	#else
	367	if (WEXITSTATUS (status) != EXPECTED_STATUS)
	368	{
	369	fprintf (stderr, "Expected status %d, got %d\n",
	370	EXPECTED_STATUS, WEXITSTATUS (status));
	371	exit (1);
	372	}
	373
	374	return 0;
	375	#endif
80a18298	376	}