1 /* Skeleton for test programs.
2 Copyright (C) 1998, 2000 Free Software Foundation, Inc.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
27 #include <sys/resource.h>
30 /* The test function is normally called `do_test' and it is called
31 with argc and argv as the arguments. We nevertheless provide the
32 possibility to overwrite this name. */
34 # define TEST_FUNCTION do_test (argc, argv)
38 #define OPT_DIRECT 1000
39 #define OPT_TESTDIR 1001
41 static struct option options[] =
43 #ifdef CMDLINE_OPTIONS
46 { "direct", no_argument, NULL, OPT_DIRECT },
47 { "test-dir", required_argument, NULL, OPT_TESTDIR },
51 /* PID of the test itself. */
54 /* Directory to place temporary files in. */
55 static const char *test_dir;
57 /* List of temporary files. */
64 /* Add temporary files in list. */
66 add_temp_file (const char *name)
68 struct name_list *newp = (struct name_list *) calloc (sizeof (*newp), 1);
72 if (name_list == NULL)
73 name_list = (struct name_list *) &newp->q;
75 insque (newp, name_list);
79 /* Delete all temporary files. */
81 delete_temp_files (void)
83 while (name_list != NULL)
85 remove (name_list->name);
86 name_list = (struct name_list *) name_list->q.q_forw;
90 /* Timeout handler. We kill the child and exit with an error. */
92 __attribute__ ((noreturn))
93 timeout_handler (int sig __attribute__ ((unused)))
100 /* Wait for it to terminate. */
101 killed = waitpid (pid, NULL, WNOHANG);
102 if (killed != 0 && killed != pid)
104 perror ("Failed to killed test process");
108 #ifdef CLEANUP_HANDLER
112 fputs ("Timed out: killed the child process\n", stderr);
114 /* Exit with an error. */
118 /* We provide the entry point here. */
120 main (int argc, char *argv[])
122 int direct = 0; /* Directly call the test function? */
126 #ifdef STDOUT_UNBUFFERED
127 setbuf (stdout, NULL);
130 while ((opt = getopt_long (argc, argv, "", options, NULL)) != -1)
141 #ifdef CMDLINE_PROCESS
146 /* Set TMPDIR to specified test directory. */
147 if (test_dir != NULL)
149 setenv ("TMPDIR", test_dir, 1);
151 if (chdir (test_dir) < 0)
159 test_dir = getenv ("TMPDIR");
160 if (test_dir == NULL || test_dir[0] == '\0')
164 /* Make sure we see all message, even those on stdout. */
165 setvbuf (stdout, NULL, _IONBF, 0);
167 /* make sure temporary files are deleted. */
168 atexit (delete_temp_files);
170 /* Correct for the possible parameters. */
174 /* Call the initializing function, if one is available. */
176 PREPARE (argc, argv);
179 /* If we are not expected to fork run the function immediately. */
181 return TEST_FUNCTION;
183 /* Set up the test environment:
186 - fork and execute the function. */
191 /* This is the child. */
193 /* Try to avoid dumping core. */
194 struct rlimit core_limit;
195 core_limit.rlim_cur = 0;
196 core_limit.rlim_max = 0;
197 setrlimit (RLIMIT_CORE, &core_limit);
200 /* Execute the test function and exit with the return value. */
201 exit (TEST_FUNCTION);
205 perror ("Cannot fork test program");
211 /* Default timeout is two seconds. */
215 signal (SIGALRM, timeout_handler);
217 /* Wait for the regular termination. */
218 if (waitpid (pid, &status, 0) != pid)
220 perror ("Oops, wrong test program terminated");
224 #ifndef EXPECTED_SIGNAL
225 /* We don't expect any signal. */
226 # define EXPECTED_SIGNAL 0
228 if (WTERMSIG (status) != EXPECTED_SIGNAL)
230 if (EXPECTED_SIGNAL != 0)
231 fprintf (stderr, "Incorrect signal from child: got `%s', need `%s'\n",
232 strsignal (WTERMSIG (status)), strsignal (EXPECTED_SIGNAL));
234 fprintf (stderr, "Didn't expect signal from child: got `%s'\n",
235 strsignal (WTERMSIG (status)));
239 /* Simply exit with the return value of the test. */
240 return WEXITSTATUS (status);