/* Skeleton for test programs.
- Copyright (C) 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1998,2000-2004, 2005, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+#include <errno.h>
#include <getopt.h>
+#include <malloc.h>
#include <search.h>
#include <signal.h>
#include <stdio.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
# 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
};
/* PID of the test itself. */
-static int pid;
+static pid_t pid;
/* Directory to place temporary files in. */
static const char *test_dir;
/* Timeout handler. We kill the child and exit with an error. */
static void
__attribute__ ((noreturn))
-timeout_handler (int sig __attribute__ ((unused)))
+signal_handler (int sig __attribute__ ((unused)))
{
int killed;
+ int status;
/* Send signal. */
kill (pid, SIGKILL);
/* Wait for it to terminate. */
- killed = waitpid (pid, NULL, WNOHANG);
+ 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;
+ ts.tv_sec = 0;
+ ts.tv_nsec = 100000000;
+ nanosleep (&ts, NULL);
+ }
if (killed != 0 && killed != pid)
{
- perror ("Failed to killed test process");
+ perror ("Failed to kill test process");
exit (1);
}
CLEANUP_HANDLER;
#endif
- fputs ("Timed out: killed the child process\n", stderr);
+ if (sig == SIGINT)
+ {
+ signal (sig, SIG_DFL);
+ raise (sig);
+ }
+
+ /* 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);
int direct = 0; /* Directly call the test function? */
int status;
int opt;
+ unsigned int timeoutfactor = 1;
+ pid_t termpid;
+
+ /* Make uses of freed and uninitialized memory known. */
+ mallopt (M_PERTURB, 42);
#ifdef STDOUT_UNBUFFERED
setbuf (stdout, NULL);
#endif
- while ((opt = getopt_long (argc, argv, "", options, NULL)) != -1)
+ while ((opt = getopt_long (argc, argv, "+", options, NULL)) != -1)
switch (opt)
{
case '?':
#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)
{
atexit (delete_temp_files);
/* Correct for the possible parameters. */
+ argv[optind - 1] = argv[0];
argv += optind - 1;
argc -= optind - 1;
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);
}
/* Default timeout is two seconds. */
# define TIMEOUT 2
#endif
- alarm (TIMEOUT);
- signal (SIGALRM, timeout_handler);
+ signal (SIGALRM, signal_handler);
+ alarm (TIMEOUT * timeoutfactor);
+
+ /* Make sure we clean up if the wrapper gets interrupted. */
+ signal (SIGINT, signal_handler);
/* Wait for the regular termination. */
- if (waitpid (pid, &status, 0) != pid)
+ termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
+ if (termpid == -1)
{
- perror ("Oops, wrong test program terminated");
+ 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);
}
}
/* 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
}
projects / platform / upstream / glibc.git / blobdiff